Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / radeon / r600_cs.c
diff --git a/kernel/drivers/gpu/drm/radeon/r600_cs.c b/kernel/drivers/gpu/drm/radeon/r600_cs.c
new file mode 100644 (file)
index 0000000..acc1f99
--- /dev/null
@@ -0,0 +1,2630 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ *          Alex Deucher
+ *          Jerome Glisse
+ */
+#include <linux/kernel.h>
+#include <drm/drmP.h>
+#include "radeon.h"
+#include "r600d.h"
+#include "r600_reg_safe.h"
+
+static int r600_nomm;
+extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
+
+
+struct r600_cs_track {
+       /* configuration we miror so that we use same code btw kms/ums */
+       u32                     group_size;
+       u32                     nbanks;
+       u32                     npipes;
+       /* value we track */
+       u32                     sq_config;
+       u32                     log_nsamples;
+       u32                     nsamples;
+       u32                     cb_color_base_last[8];
+       struct radeon_bo        *cb_color_bo[8];
+       u64                     cb_color_bo_mc[8];
+       u64                     cb_color_bo_offset[8];
+       struct radeon_bo        *cb_color_frag_bo[8];
+       u64                     cb_color_frag_offset[8];
+       struct radeon_bo        *cb_color_tile_bo[8];
+       u64                     cb_color_tile_offset[8];
+       u32                     cb_color_mask[8];
+       u32                     cb_color_info[8];
+       u32                     cb_color_view[8];
+       u32                     cb_color_size_idx[8]; /* unused */
+       u32                     cb_target_mask;
+       u32                     cb_shader_mask;  /* unused */
+       bool                    is_resolve;
+       u32                     cb_color_size[8];
+       u32                     vgt_strmout_en;
+       u32                     vgt_strmout_buffer_en;
+       struct radeon_bo        *vgt_strmout_bo[4];
+       u64                     vgt_strmout_bo_mc[4]; /* unused */
+       u32                     vgt_strmout_bo_offset[4];
+       u32                     vgt_strmout_size[4];
+       u32                     db_depth_control;
+       u32                     db_depth_info;
+       u32                     db_depth_size_idx;
+       u32                     db_depth_view;
+       u32                     db_depth_size;
+       u32                     db_offset;
+       struct radeon_bo        *db_bo;
+       u64                     db_bo_mc;
+       bool                    sx_misc_kill_all_prims;
+       bool                    cb_dirty;
+       bool                    db_dirty;
+       bool                    streamout_dirty;
+       struct radeon_bo        *htile_bo;
+       u64                     htile_offset;
+       u32                     htile_surface;
+};
+
+#define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 }
+#define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 }
+#define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 }
+#define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 }
+#define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 }
+#define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 }
+#define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 }
+#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 }
+
+struct gpu_formats {
+       unsigned blockwidth;
+       unsigned blockheight;
+       unsigned blocksize;
+       unsigned valid_color;
+       enum radeon_family min_family;
+};
+
+static const struct gpu_formats color_formats_table[] = {
+       /* 8 bit */
+       FMT_8_BIT(V_038004_COLOR_8, 1),
+       FMT_8_BIT(V_038004_COLOR_4_4, 1),
+       FMT_8_BIT(V_038004_COLOR_3_3_2, 1),
+       FMT_8_BIT(V_038004_FMT_1, 0),
+
+       /* 16-bit */
+       FMT_16_BIT(V_038004_COLOR_16, 1),
+       FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1),
+       FMT_16_BIT(V_038004_COLOR_8_8, 1),
+       FMT_16_BIT(V_038004_COLOR_5_6_5, 1),
+       FMT_16_BIT(V_038004_COLOR_6_5_5, 1),
+       FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1),
+       FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1),
+       FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1),
+
+       /* 24-bit */
+       FMT_24_BIT(V_038004_FMT_8_8_8),
+
+       /* 32-bit */
+       FMT_32_BIT(V_038004_COLOR_32, 1),
+       FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1),
+       FMT_32_BIT(V_038004_COLOR_16_16, 1),
+       FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1),
+       FMT_32_BIT(V_038004_COLOR_8_24, 1),
+       FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1),
+       FMT_32_BIT(V_038004_COLOR_24_8, 1),
+       FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1),
+       FMT_32_BIT(V_038004_COLOR_10_11_11, 1),
+       FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1),
+       FMT_32_BIT(V_038004_COLOR_11_11_10, 1),
+       FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1),
+       FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1),
+       FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1),
+       FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1),
+       FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0),
+       FMT_32_BIT(V_038004_FMT_32_AS_8, 0),
+       FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0),
+
+       /* 48-bit */
+       FMT_48_BIT(V_038004_FMT_16_16_16),
+       FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT),
+
+       /* 64-bit */
+       FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1),
+       FMT_64_BIT(V_038004_COLOR_32_32, 1),
+       FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1),
+       FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1),
+       FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1),
+
+       FMT_96_BIT(V_038004_FMT_32_32_32),
+       FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT),
+
+       /* 128-bit */
+       FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1),
+       FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1),
+
+       [V_038004_FMT_GB_GR] = { 2, 1, 4, 0 },
+       [V_038004_FMT_BG_RG] = { 2, 1, 4, 0 },
+
+       /* block compressed formats */
+       [V_038004_FMT_BC1] = { 4, 4, 8, 0 },
+       [V_038004_FMT_BC2] = { 4, 4, 16, 0 },
+       [V_038004_FMT_BC3] = { 4, 4, 16, 0 },
+       [V_038004_FMT_BC4] = { 4, 4, 8, 0 },
+       [V_038004_FMT_BC5] = { 4, 4, 16, 0},
+       [V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
+       [V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */
+
+       /* The other Evergreen formats */
+       [V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR},
+};
+
+bool r600_fmt_is_valid_color(u32 format)
+{
+       if (format >= ARRAY_SIZE(color_formats_table))
+               return false;
+
+       if (color_formats_table[format].valid_color)
+               return true;
+
+       return false;
+}
+
+bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family)
+{
+       if (format >= ARRAY_SIZE(color_formats_table))
+               return false;
+
+       if (family < color_formats_table[format].min_family)
+               return false;
+
+       if (color_formats_table[format].blockwidth > 0)
+               return true;
+
+       return false;
+}
+
+int r600_fmt_get_blocksize(u32 format)
+{
+       if (format >= ARRAY_SIZE(color_formats_table))
+               return 0;
+
+       return color_formats_table[format].blocksize;
+}
+
+int r600_fmt_get_nblocksx(u32 format, u32 w)
+{
+       unsigned bw;
+
+       if (format >= ARRAY_SIZE(color_formats_table))
+               return 0;
+
+       bw = color_formats_table[format].blockwidth;
+       if (bw == 0)
+               return 0;
+
+       return (w + bw - 1) / bw;
+}
+
+int r600_fmt_get_nblocksy(u32 format, u32 h)
+{
+       unsigned bh;
+
+       if (format >= ARRAY_SIZE(color_formats_table))
+               return 0;
+
+       bh = color_formats_table[format].blockheight;
+       if (bh == 0)
+               return 0;
+
+       return (h + bh - 1) / bh;
+}
+
+struct array_mode_checker {
+       int array_mode;
+       u32 group_size;
+       u32 nbanks;
+       u32 npipes;
+       u32 nsamples;
+       u32 blocksize;
+};
+
+/* returns alignment in pixels for pitch/height/depth and bytes for base */
+static int r600_get_array_mode_alignment(struct array_mode_checker *values,
+                                               u32 *pitch_align,
+                                               u32 *height_align,
+                                               u32 *depth_align,
+                                               u64 *base_align)
+{
+       u32 tile_width = 8;
+       u32 tile_height = 8;
+       u32 macro_tile_width = values->nbanks;
+       u32 macro_tile_height = values->npipes;
+       u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples;
+       u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
+
+       switch (values->array_mode) {
+       case ARRAY_LINEAR_GENERAL:
+               /* technically tile_width/_height for pitch/height */
+               *pitch_align = 1; /* tile_width */
+               *height_align = 1; /* tile_height */
+               *depth_align = 1;
+               *base_align = 1;
+               break;
+       case ARRAY_LINEAR_ALIGNED:
+               *pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));
+               *height_align = 1;
+               *depth_align = 1;
+               *base_align = values->group_size;
+               break;
+       case ARRAY_1D_TILED_THIN1:
+               *pitch_align = max((u32)tile_width,
+                                  (u32)(values->group_size /
+                                        (tile_height * values->blocksize * values->nsamples)));
+               *height_align = tile_height;
+               *depth_align = 1;
+               *base_align = values->group_size;
+               break;
+       case ARRAY_2D_TILED_THIN1:
+               *pitch_align = max((u32)macro_tile_width * tile_width,
+                               (u32)((values->group_size * values->nbanks) /
+                               (values->blocksize * values->nsamples * tile_width)));
+               *height_align = macro_tile_height * tile_height;
+               *depth_align = 1;
+               *base_align = max(macro_tile_bytes,
+                                 (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+static void r600_cs_track_init(struct r600_cs_track *track)
+{
+       int i;
+
+       /* assume DX9 mode */
+       track->sq_config = DX9_CONSTS;
+       for (i = 0; i < 8; i++) {
+               track->cb_color_base_last[i] = 0;
+               track->cb_color_size[i] = 0;
+               track->cb_color_size_idx[i] = 0;
+               track->cb_color_info[i] = 0;
+               track->cb_color_view[i] = 0xFFFFFFFF;
+               track->cb_color_bo[i] = NULL;
+               track->cb_color_bo_offset[i] = 0xFFFFFFFF;
+               track->cb_color_bo_mc[i] = 0xFFFFFFFF;
+               track->cb_color_frag_bo[i] = NULL;
+               track->cb_color_frag_offset[i] = 0xFFFFFFFF;
+               track->cb_color_tile_bo[i] = NULL;
+               track->cb_color_tile_offset[i] = 0xFFFFFFFF;
+               track->cb_color_mask[i] = 0xFFFFFFFF;
+       }
+       track->is_resolve = false;
+       track->nsamples = 16;
+       track->log_nsamples = 4;
+       track->cb_target_mask = 0xFFFFFFFF;
+       track->cb_shader_mask = 0xFFFFFFFF;
+       track->cb_dirty = true;
+       track->db_bo = NULL;
+       track->db_bo_mc = 0xFFFFFFFF;
+       /* assume the biggest format and that htile is enabled */
+       track->db_depth_info = 7 | (1 << 25);
+       track->db_depth_view = 0xFFFFC000;
+       track->db_depth_size = 0xFFFFFFFF;
+       track->db_depth_size_idx = 0;
+       track->db_depth_control = 0xFFFFFFFF;
+       track->db_dirty = true;
+       track->htile_bo = NULL;
+       track->htile_offset = 0xFFFFFFFF;
+       track->htile_surface = 0;
+
+       for (i = 0; i < 4; i++) {
+               track->vgt_strmout_size[i] = 0;
+               track->vgt_strmout_bo[i] = NULL;
+               track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF;
+               track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF;
+       }
+       track->streamout_dirty = true;
+       track->sx_misc_kill_all_prims = false;
+}
+
+static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
+{
+       struct r600_cs_track *track = p->track;
+       u32 slice_tile_max, size, tmp;
+       u32 height, height_align, pitch, pitch_align, depth_align;
+       u64 base_offset, base_align;
+       struct array_mode_checker array_check;
+       volatile u32 *ib = p->ib.ptr;
+       unsigned array_mode;
+       u32 format;
+       /* When resolve is used, the second colorbuffer has always 1 sample. */
+       unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples;
+
+       size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
+       format = G_0280A0_FORMAT(track->cb_color_info[i]);
+       if (!r600_fmt_is_valid_color(format)) {
+               dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
+                        __func__, __LINE__, format,
+                       i, track->cb_color_info[i]);
+               return -EINVAL;
+       }
+       /* pitch in pixels */
+       pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
+       slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
+       slice_tile_max *= 64;
+       height = slice_tile_max / pitch;
+       if (height > 8192)
+               height = 8192;
+       array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
+
+       base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
+       array_check.array_mode = array_mode;
+       array_check.group_size = track->group_size;
+       array_check.nbanks = track->nbanks;
+       array_check.npipes = track->npipes;
+       array_check.nsamples = nsamples;
+       array_check.blocksize = r600_fmt_get_blocksize(format);
+       if (r600_get_array_mode_alignment(&array_check,
+                                         &pitch_align, &height_align, &depth_align, &base_align)) {
+               dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
+                        G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
+                        track->cb_color_info[i]);
+               return -EINVAL;
+       }
+       switch (array_mode) {
+       case V_0280A0_ARRAY_LINEAR_GENERAL:
+               break;
+       case V_0280A0_ARRAY_LINEAR_ALIGNED:
+               break;
+       case V_0280A0_ARRAY_1D_TILED_THIN1:
+               /* avoid breaking userspace */
+               if (height > 7)
+                       height &= ~0x7;
+               break;
+       case V_0280A0_ARRAY_2D_TILED_THIN1:
+               break;
+       default:
+               dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
+                       G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
+                       track->cb_color_info[i]);
+               return -EINVAL;
+       }
+
+       if (!IS_ALIGNED(pitch, pitch_align)) {
+               dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n",
+                        __func__, __LINE__, pitch, pitch_align, array_mode);
+               return -EINVAL;
+       }
+       if (!IS_ALIGNED(height, height_align)) {
+               dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n",
+                        __func__, __LINE__, height, height_align, array_mode);
+               return -EINVAL;
+       }
+       if (!IS_ALIGNED(base_offset, base_align)) {
+               dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i,
+                        base_offset, base_align, array_mode);
+               return -EINVAL;
+       }
+
+       /* check offset */
+       tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) *
+             r600_fmt_get_blocksize(format) * nsamples;
+       switch (array_mode) {
+       default:
+       case V_0280A0_ARRAY_LINEAR_GENERAL:
+       case V_0280A0_ARRAY_LINEAR_ALIGNED:
+               tmp += track->cb_color_view[i] & 0xFF;
+               break;
+       case V_0280A0_ARRAY_1D_TILED_THIN1:
+       case V_0280A0_ARRAY_2D_TILED_THIN1:
+               tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp;
+               break;
+       }
+       if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
+               if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
+                       /* the initial DDX does bad things with the CB size occasionally */
+                       /* it rounds up height too far for slice tile max but the BO is smaller */
+                       /* r600c,g also seem to flush at bad times in some apps resulting in
+                        * bogus values here. So for linear just allow anything to avoid breaking
+                        * broken userspace.
+                        */
+               } else {
+                       dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n",
+                                __func__, i, array_mode,
+                                track->cb_color_bo_offset[i], tmp,
+                                radeon_bo_size(track->cb_color_bo[i]),
+                                pitch, height, r600_fmt_get_nblocksx(format, pitch),
+                                r600_fmt_get_nblocksy(format, height),
+                                r600_fmt_get_blocksize(format));
+                       return -EINVAL;
+               }
+       }
+       /* limit max tile */
+       tmp = (height * pitch) >> 6;
+       if (tmp < slice_tile_max)
+               slice_tile_max = tmp;
+       tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
+               S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
+       ib[track->cb_color_size_idx[i]] = tmp;
+
+       /* FMASK/CMASK */
+       switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
+       case V_0280A0_TILE_DISABLE:
+               break;
+       case V_0280A0_FRAG_ENABLE:
+               if (track->nsamples > 1) {
+                       uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]);
+                       /* the tile size is 8x8, but the size is in units of bits.
+                        * for bytes, do just * 8. */
+                       uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1);
+
+                       if (bytes + track->cb_color_frag_offset[i] >
+                           radeon_bo_size(track->cb_color_frag_bo[i])) {
+                               dev_warn(p->dev, "%s FMASK_TILE_MAX too large "
+                                        "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
+                                        __func__, tile_max, bytes,
+                                        track->cb_color_frag_offset[i],
+                                        radeon_bo_size(track->cb_color_frag_bo[i]));
+                               return -EINVAL;
+                       }
+               }
+               /* fall through */
+       case V_0280A0_CLEAR_ENABLE:
+       {
+               uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]);
+               /* One block = 128x128 pixels, one 8x8 tile has 4 bits..
+                * (128*128) / (8*8) / 2 = 128 bytes per block. */
+               uint32_t bytes = (block_max + 1) * 128;
+
+               if (bytes + track->cb_color_tile_offset[i] >
+                   radeon_bo_size(track->cb_color_tile_bo[i])) {
+                       dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large "
+                                "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n",
+                                __func__, block_max, bytes,
+                                track->cb_color_tile_offset[i],
+                                radeon_bo_size(track->cb_color_tile_bo[i]));
+                       return -EINVAL;
+               }
+               break;
+       }
+       default:
+               dev_warn(p->dev, "%s invalid tile mode\n", __func__);
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int r600_cs_track_validate_db(struct radeon_cs_parser *p)
+{
+       struct r600_cs_track *track = p->track;
+       u32 nviews, bpe, ntiles, size, slice_tile_max, tmp;
+       u32 height_align, pitch_align, depth_align;
+       u32 pitch = 8192;
+       u32 height = 8192;
+       u64 base_offset, base_align;
+       struct array_mode_checker array_check;
+       int array_mode;
+       volatile u32 *ib = p->ib.ptr;
+
+
+       if (track->db_bo == NULL) {
+               dev_warn(p->dev, "z/stencil with no depth buffer\n");
+               return -EINVAL;
+       }
+       switch (G_028010_FORMAT(track->db_depth_info)) {
+       case V_028010_DEPTH_16:
+               bpe = 2;
+               break;
+       case V_028010_DEPTH_X8_24:
+       case V_028010_DEPTH_8_24:
+       case V_028010_DEPTH_X8_24_FLOAT:
+       case V_028010_DEPTH_8_24_FLOAT:
+       case V_028010_DEPTH_32_FLOAT:
+               bpe = 4;
+               break;
+       case V_028010_DEPTH_X24_8_32_FLOAT:
+               bpe = 8;
+               break;
+       default:
+               dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
+               return -EINVAL;
+       }
+       if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
+               if (!track->db_depth_size_idx) {
+                       dev_warn(p->dev, "z/stencil buffer size not set\n");
+                       return -EINVAL;
+               }
+               tmp = radeon_bo_size(track->db_bo) - track->db_offset;
+               tmp = (tmp / bpe) >> 6;
+               if (!tmp) {
+                       dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
+                                       track->db_depth_size, bpe, track->db_offset,
+                                       radeon_bo_size(track->db_bo));
+                       return -EINVAL;
+               }
+               ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
+       } else {
+               size = radeon_bo_size(track->db_bo);
+               /* pitch in pixels */
+               pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
+               slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
+               slice_tile_max *= 64;
+               height = slice_tile_max / pitch;
+               if (height > 8192)
+                       height = 8192;
+               base_offset = track->db_bo_mc + track->db_offset;
+               array_mode = G_028010_ARRAY_MODE(track->db_depth_info);
+               array_check.array_mode = array_mode;
+               array_check.group_size = track->group_size;
+               array_check.nbanks = track->nbanks;
+               array_check.npipes = track->npipes;
+               array_check.nsamples = track->nsamples;
+               array_check.blocksize = bpe;
+               if (r600_get_array_mode_alignment(&array_check,
+                                       &pitch_align, &height_align, &depth_align, &base_align)) {
+                       dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
+                                       G_028010_ARRAY_MODE(track->db_depth_info),
+                                       track->db_depth_info);
+                       return -EINVAL;
+               }
+               switch (array_mode) {
+               case V_028010_ARRAY_1D_TILED_THIN1:
+                       /* don't break userspace */
+                       height &= ~0x7;
+                       break;
+               case V_028010_ARRAY_2D_TILED_THIN1:
+                       break;
+               default:
+                       dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
+                                       G_028010_ARRAY_MODE(track->db_depth_info),
+                                       track->db_depth_info);
+                       return -EINVAL;
+               }
+
+               if (!IS_ALIGNED(pitch, pitch_align)) {
+                       dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n",
+                                       __func__, __LINE__, pitch, pitch_align, array_mode);
+                       return -EINVAL;
+               }
+               if (!IS_ALIGNED(height, height_align)) {
+                       dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n",
+                                       __func__, __LINE__, height, height_align, array_mode);
+                       return -EINVAL;
+               }
+               if (!IS_ALIGNED(base_offset, base_align)) {
+                       dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__,
+                                       base_offset, base_align, array_mode);
+                       return -EINVAL;
+               }
+
+               ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
+               nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
+               tmp = ntiles * bpe * 64 * nviews * track->nsamples;
+               if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
+                       dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n",
+                                       array_mode,
+                                       track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
+                                       radeon_bo_size(track->db_bo));
+                       return -EINVAL;
+               }
+       }
+
+       /* hyperz */
+       if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
+               unsigned long size;
+               unsigned nbx, nby;
+
+               if (track->htile_bo == NULL) {
+                       dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n",
+                                __func__, __LINE__, track->db_depth_info);
+                       return -EINVAL;
+               }
+               if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
+                       dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n",
+                                __func__, __LINE__, track->db_depth_size);
+                       return -EINVAL;
+               }
+
+               nbx = pitch;
+               nby = height;
+               if (G_028D24_LINEAR(track->htile_surface)) {
+                       /* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */
+                       nbx = round_up(nbx, 16 * 8);
+                       /* nby is npipes htiles aligned == npipes * 8 pixel aligned */
+                       nby = round_up(nby, track->npipes * 8);
+               } else {
+                       /* always assume 8x8 htile */
+                       /* align is htile align * 8, htile align vary according to
+                        * number of pipe and tile width and nby
+                        */
+                       switch (track->npipes) {
+                       case 8:
+                               /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
+                               nbx = round_up(nbx, 64 * 8);
+                               nby = round_up(nby, 64 * 8);
+                               break;
+                       case 4:
+                               /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
+                               nbx = round_up(nbx, 64 * 8);
+                               nby = round_up(nby, 32 * 8);
+                               break;
+                       case 2:
+                               /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
+                               nbx = round_up(nbx, 32 * 8);
+                               nby = round_up(nby, 32 * 8);
+                               break;
+                       case 1:
+                               /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/
+                               nbx = round_up(nbx, 32 * 8);
+                               nby = round_up(nby, 16 * 8);
+                               break;
+                       default:
+                               dev_warn(p->dev, "%s:%d invalid num pipes %d\n",
+                                        __func__, __LINE__, track->npipes);
+                               return -EINVAL;
+                       }
+               }
+               /* compute number of htile */
+               nbx = nbx >> 3;
+               nby = nby >> 3;
+               /* size must be aligned on npipes * 2K boundary */
+               size = roundup(nbx * nby * 4, track->npipes * (2 << 10));
+               size += track->htile_offset;
+
+               if (size > radeon_bo_size(track->htile_bo)) {
+                       dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n",
+                                __func__, __LINE__, radeon_bo_size(track->htile_bo),
+                                size, nbx, nby);
+                       return -EINVAL;
+               }
+       }
+
+       track->db_dirty = false;
+       return 0;
+}
+
+static int r600_cs_track_check(struct radeon_cs_parser *p)
+{
+       struct r600_cs_track *track = p->track;
+       u32 tmp;
+       int r, i;
+
+       /* on legacy kernel we don't perform advanced check */
+       if (p->rdev == NULL)
+               return 0;
+
+       /* check streamout */
+       if (track->streamout_dirty && track->vgt_strmout_en) {
+               for (i = 0; i < 4; i++) {
+                       if (track->vgt_strmout_buffer_en & (1 << i)) {
+                               if (track->vgt_strmout_bo[i]) {
+                                       u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
+                                               (u64)track->vgt_strmout_size[i];
+                                       if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
+                                               DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
+                                                         i, offset,
+                                                         radeon_bo_size(track->vgt_strmout_bo[i]));
+                                               return -EINVAL;
+                                       }
+                               } else {
+                                       dev_warn(p->dev, "No buffer for streamout %d\n", i);
+                                       return -EINVAL;
+                               }
+                       }
+               }
+               track->streamout_dirty = false;
+       }
+
+       if (track->sx_misc_kill_all_prims)
+               return 0;
+
+       /* check that we have a cb for each enabled target, we don't check
+        * shader_mask because it seems mesa isn't always setting it :(
+        */
+       if (track->cb_dirty) {
+               tmp = track->cb_target_mask;
+
+               /* We must check both colorbuffers for RESOLVE. */
+               if (track->is_resolve) {
+                       tmp |= 0xff;
+               }
+
+               for (i = 0; i < 8; i++) {
+                       u32 format = G_0280A0_FORMAT(track->cb_color_info[i]);
+
+                       if (format != V_0280A0_COLOR_INVALID &&
+                           (tmp >> (i * 4)) & 0xF) {
+                               /* at least one component is enabled */
+                               if (track->cb_color_bo[i] == NULL) {
+                                       dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
+                                               __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
+                                       return -EINVAL;
+                               }
+                               /* perform rewrite of CB_COLOR[0-7]_SIZE */
+                               r = r600_cs_track_validate_cb(p, i);
+                               if (r)
+                                       return r;
+                       }
+               }
+               track->cb_dirty = false;
+       }
+
+       /* Check depth buffer */
+       if (track->db_dirty &&
+           G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID &&
+           (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
+            G_028800_Z_ENABLE(track->db_depth_control))) {
+               r = r600_cs_track_validate_db(p);
+               if (r)
+                       return r;
+       }
+
+       return 0;
+}
+
+/**
+ * r600_cs_packet_parse_vline() - parse userspace VLINE packet
+ * @parser:            parser structure holding parsing context.
+ *
+ * This is an R600-specific function for parsing VLINE packets.
+ * Real work is done by r600_cs_common_vline_parse function.
+ * Here we just set up ASIC-specific register table and call
+ * the common implementation function.
+ */
+static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
+{
+       static uint32_t vline_start_end[2] = {AVIVO_D1MODE_VLINE_START_END,
+                                             AVIVO_D2MODE_VLINE_START_END};
+       static uint32_t vline_status[2] = {AVIVO_D1MODE_VLINE_STATUS,
+                                          AVIVO_D2MODE_VLINE_STATUS};
+
+       return r600_cs_common_vline_parse(p, vline_start_end, vline_status);
+}
+
+/**
+ * r600_cs_common_vline_parse() - common vline parser
+ * @parser:            parser structure holding parsing context.
+ * @vline_start_end:    table of vline_start_end registers
+ * @vline_status:       table of vline_status registers
+ *
+ * Userspace sends a special sequence for VLINE waits.
+ * PACKET0 - VLINE_START_END + value
+ * PACKET3 - WAIT_REG_MEM poll vline status reg
+ * RELOC (P3) - crtc_id in reloc.
+ *
+ * This function parses this and relocates the VLINE START END
+ * and WAIT_REG_MEM packets to the correct crtc.
+ * It also detects a switched off crtc and nulls out the
+ * wait in that case. This function is common for all ASICs that
+ * are R600 and newer. The parsing algorithm is the same, and only
+ * differs in which registers are used.
+ *
+ * Caller is the ASIC-specific function which passes the parser
+ * context and ASIC-specific register table
+ */
+int r600_cs_common_vline_parse(struct radeon_cs_parser *p,
+                              uint32_t *vline_start_end,
+                              uint32_t *vline_status)
+{
+       struct drm_crtc *crtc;
+       struct radeon_crtc *radeon_crtc;
+       struct radeon_cs_packet p3reloc, wait_reg_mem;
+       int crtc_id;
+       int r;
+       uint32_t header, h_idx, reg, wait_reg_mem_info;
+       volatile uint32_t *ib;
+
+       ib = p->ib.ptr;
+
+       /* parse the WAIT_REG_MEM */
+       r = radeon_cs_packet_parse(p, &wait_reg_mem, p->idx);
+       if (r)
+               return r;
+
+       /* check its a WAIT_REG_MEM */
+       if (wait_reg_mem.type != RADEON_PACKET_TYPE3 ||
+           wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
+               DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
+               return -EINVAL;
+       }
+
+       wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
+       /* bit 4 is reg (0) or mem (1) */
+       if (wait_reg_mem_info & 0x10) {
+               DRM_ERROR("vline WAIT_REG_MEM waiting on MEM instead of REG\n");
+               return -EINVAL;
+       }
+       /* bit 8 is me (0) or pfp (1) */
+       if (wait_reg_mem_info & 0x100) {
+               DRM_ERROR("vline WAIT_REG_MEM waiting on PFP instead of ME\n");
+               return -EINVAL;
+       }
+       /* waiting for value to be equal */
+       if ((wait_reg_mem_info & 0x7) != 0x3) {
+               DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
+               return -EINVAL;
+       }
+       if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != vline_status[0]) {
+               DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
+               return -EINVAL;
+       }
+
+       if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != RADEON_VLINE_STAT) {
+               DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
+               return -EINVAL;
+       }
+
+       /* jump over the NOP */
+       r = radeon_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
+       if (r)
+               return r;
+
+       h_idx = p->idx - 2;
+       p->idx += wait_reg_mem.count + 2;
+       p->idx += p3reloc.count + 2;
+
+       header = radeon_get_ib_value(p, h_idx);
+       crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
+       reg = R600_CP_PACKET0_GET_REG(header);
+
+       crtc = drm_crtc_find(p->rdev->ddev, crtc_id);
+       if (!crtc) {
+               DRM_ERROR("cannot find crtc %d\n", crtc_id);
+               return -ENOENT;
+       }
+       radeon_crtc = to_radeon_crtc(crtc);
+       crtc_id = radeon_crtc->crtc_id;
+
+       if (!crtc->enabled) {
+               /* CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
+               ib[h_idx + 2] = PACKET2(0);
+               ib[h_idx + 3] = PACKET2(0);
+               ib[h_idx + 4] = PACKET2(0);
+               ib[h_idx + 5] = PACKET2(0);
+               ib[h_idx + 6] = PACKET2(0);
+               ib[h_idx + 7] = PACKET2(0);
+               ib[h_idx + 8] = PACKET2(0);
+       } else if (reg == vline_start_end[0]) {
+               header &= ~R600_CP_PACKET0_REG_MASK;
+               header |= vline_start_end[crtc_id] >> 2;
+               ib[h_idx] = header;
+               ib[h_idx + 4] = vline_status[crtc_id] >> 2;
+       } else {
+               DRM_ERROR("unknown crtc reloc\n");
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int r600_packet0_check(struct radeon_cs_parser *p,
+                               struct radeon_cs_packet *pkt,
+                               unsigned idx, unsigned reg)
+{
+       int r;
+
+       switch (reg) {
+       case AVIVO_D1MODE_VLINE_START_END:
+               r = r600_cs_packet_parse_vline(p);
+               if (r) {
+                       DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+                                       idx, reg);
+                       return r;
+               }
+               break;
+       default:
+               printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
+                      reg, idx);
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
+                               struct radeon_cs_packet *pkt)
+{
+       unsigned reg, i;
+       unsigned idx;
+       int r;
+
+       idx = pkt->idx + 1;
+       reg = pkt->reg;
+       for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
+               r = r600_packet0_check(p, pkt, idx, reg);
+               if (r) {
+                       return r;
+               }
+       }
+       return 0;
+}
+
+/**
+ * r600_cs_check_reg() - check if register is authorized or not
+ * @parser: parser structure holding parsing context
+ * @reg: register we are testing
+ * @idx: index into the cs buffer
+ *
+ * This function will test against r600_reg_safe_bm and return 0
+ * if register is safe. If register is not flag as safe this function
+ * will test it against a list of register needind special handling.
+ */
+static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
+{
+       struct r600_cs_track *track = (struct r600_cs_track *)p->track;
+       struct radeon_bo_list *reloc;
+       u32 m, i, tmp, *ib;
+       int r;
+
+       i = (reg >> 7);
+       if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
+               dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
+               return -EINVAL;
+       }
+       m = 1 << ((reg >> 2) & 31);
+       if (!(r600_reg_safe_bm[i] & m))
+               return 0;
+       ib = p->ib.ptr;
+       switch (reg) {
+       /* force following reg to 0 in an attempt to disable out buffer
+        * which will need us to better understand how it works to perform
+        * security check on it (Jerome)
+        */
+       case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
+       case R_008C44_SQ_ESGS_RING_SIZE:
+       case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
+       case R_008C54_SQ_ESTMP_RING_SIZE:
+       case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
+       case R_008C74_SQ_FBUF_RING_SIZE:
+       case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
+       case R_008C5C_SQ_GSTMP_RING_SIZE:
+       case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
+       case R_008C4C_SQ_GSVS_RING_SIZE:
+       case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
+       case R_008C6C_SQ_PSTMP_RING_SIZE:
+       case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
+       case R_008C7C_SQ_REDUC_RING_SIZE:
+       case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
+       case R_008C64_SQ_VSTMP_RING_SIZE:
+       case R_0288C8_SQ_GS_VERT_ITEMSIZE:
+               /* get value to populate the IB don't remove */
+               /*tmp =radeon_get_ib_value(p, idx);
+                 ib[idx] = 0;*/
+               break;
+       case SQ_ESGS_RING_BASE:
+       case SQ_GSVS_RING_BASE:
+       case SQ_ESTMP_RING_BASE:
+       case SQ_GSTMP_RING_BASE:
+       case SQ_PSTMP_RING_BASE:
+       case SQ_VSTMP_RING_BASE:
+               r = radeon_cs_packet_next_reloc(p, &reloc, 0);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               break;
+       case SQ_CONFIG:
+               track->sq_config = radeon_get_ib_value(p, idx);
+               break;
+       case R_028800_DB_DEPTH_CONTROL:
+               track->db_depth_control = radeon_get_ib_value(p, idx);
+               track->db_dirty = true;
+               break;
+       case R_028010_DB_DEPTH_INFO:
+               if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
+                   radeon_cs_packet_next_is_pkt3_nop(p)) {
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                        "0x%04X\n", reg);
+                               return -EINVAL;
+                       }
+                       track->db_depth_info = radeon_get_ib_value(p, idx);
+                       ib[idx] &= C_028010_ARRAY_MODE;
+                       track->db_depth_info &= C_028010_ARRAY_MODE;
+                       if (reloc->tiling_flags & RADEON_TILING_MACRO) {
+                               ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
+                               track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1);
+                       } else {
+                               ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
+                               track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1);
+                       }
+               } else {
+                       track->db_depth_info = radeon_get_ib_value(p, idx);
+               }
+               track->db_dirty = true;
+               break;
+       case R_028004_DB_DEPTH_VIEW:
+               track->db_depth_view = radeon_get_ib_value(p, idx);
+               track->db_dirty = true;
+               break;
+       case R_028000_DB_DEPTH_SIZE:
+               track->db_depth_size = radeon_get_ib_value(p, idx);
+               track->db_depth_size_idx = idx;
+               track->db_dirty = true;
+               break;
+       case R_028AB0_VGT_STRMOUT_EN:
+               track->vgt_strmout_en = radeon_get_ib_value(p, idx);
+               track->streamout_dirty = true;
+               break;
+       case R_028B20_VGT_STRMOUT_BUFFER_EN:
+               track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
+               track->streamout_dirty = true;
+               break;
+       case VGT_STRMOUT_BUFFER_BASE_0:
+       case VGT_STRMOUT_BUFFER_BASE_1:
+       case VGT_STRMOUT_BUFFER_BASE_2:
+       case VGT_STRMOUT_BUFFER_BASE_3:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16;
+               track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               track->vgt_strmout_bo[tmp] = reloc->robj;
+               track->vgt_strmout_bo_mc[tmp] = reloc->gpu_offset;
+               track->streamout_dirty = true;
+               break;
+       case VGT_STRMOUT_BUFFER_SIZE_0:
+       case VGT_STRMOUT_BUFFER_SIZE_1:
+       case VGT_STRMOUT_BUFFER_SIZE_2:
+       case VGT_STRMOUT_BUFFER_SIZE_3:
+               tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16;
+               /* size in register is DWs, convert to bytes */
+               track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4;
+               track->streamout_dirty = true;
+               break;
+       case CP_COHER_BASE:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "missing reloc for CP_COHER_BASE "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               break;
+       case R_028238_CB_TARGET_MASK:
+               track->cb_target_mask = radeon_get_ib_value(p, idx);
+               track->cb_dirty = true;
+               break;
+       case R_02823C_CB_SHADER_MASK:
+               track->cb_shader_mask = radeon_get_ib_value(p, idx);
+               break;
+       case R_028C04_PA_SC_AA_CONFIG:
+               tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
+               track->log_nsamples = tmp;
+               track->nsamples = 1 << tmp;
+               track->cb_dirty = true;
+               break;
+       case R_028808_CB_COLOR_CONTROL:
+               tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx));
+               track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX;
+               track->cb_dirty = true;
+               break;
+       case R_0280A0_CB_COLOR0_INFO:
+       case R_0280A4_CB_COLOR1_INFO:
+       case R_0280A8_CB_COLOR2_INFO:
+       case R_0280AC_CB_COLOR3_INFO:
+       case R_0280B0_CB_COLOR4_INFO:
+       case R_0280B4_CB_COLOR5_INFO:
+       case R_0280B8_CB_COLOR6_INFO:
+       case R_0280BC_CB_COLOR7_INFO:
+               if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) &&
+                    radeon_cs_packet_next_is_pkt3_nop(p)) {
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
+                               return -EINVAL;
+                       }
+                       tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
+                       track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
+                       if (reloc->tiling_flags & RADEON_TILING_MACRO) {
+                               ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
+                               track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1);
+                       } else if (reloc->tiling_flags & RADEON_TILING_MICRO) {
+                               ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
+                               track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1);
+                       }
+               } else {
+                       tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
+                       track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
+               }
+               track->cb_dirty = true;
+               break;
+       case R_028080_CB_COLOR0_VIEW:
+       case R_028084_CB_COLOR1_VIEW:
+       case R_028088_CB_COLOR2_VIEW:
+       case R_02808C_CB_COLOR3_VIEW:
+       case R_028090_CB_COLOR4_VIEW:
+       case R_028094_CB_COLOR5_VIEW:
+       case R_028098_CB_COLOR6_VIEW:
+       case R_02809C_CB_COLOR7_VIEW:
+               tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4;
+               track->cb_color_view[tmp] = radeon_get_ib_value(p, idx);
+               track->cb_dirty = true;
+               break;
+       case R_028060_CB_COLOR0_SIZE:
+       case R_028064_CB_COLOR1_SIZE:
+       case R_028068_CB_COLOR2_SIZE:
+       case R_02806C_CB_COLOR3_SIZE:
+       case R_028070_CB_COLOR4_SIZE:
+       case R_028074_CB_COLOR5_SIZE:
+       case R_028078_CB_COLOR6_SIZE:
+       case R_02807C_CB_COLOR7_SIZE:
+               tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
+               track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
+               track->cb_color_size_idx[tmp] = idx;
+               track->cb_dirty = true;
+               break;
+               /* This register were added late, there is userspace
+                * which does provide relocation for those but set
+                * 0 offset. In order to avoid breaking old userspace
+                * we detect this and set address to point to last
+                * CB_COLOR0_BASE, note that if userspace doesn't set
+                * CB_COLOR0_BASE before this register we will report
+                * error. Old userspace always set CB_COLOR0_BASE
+                * before any of this.
+                */
+       case R_0280E0_CB_COLOR0_FRAG:
+       case R_0280E4_CB_COLOR1_FRAG:
+       case R_0280E8_CB_COLOR2_FRAG:
+       case R_0280EC_CB_COLOR3_FRAG:
+       case R_0280F0_CB_COLOR4_FRAG:
+       case R_0280F4_CB_COLOR5_FRAG:
+       case R_0280F8_CB_COLOR6_FRAG:
+       case R_0280FC_CB_COLOR7_FRAG:
+               tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
+               if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
+                       if (!track->cb_color_base_last[tmp]) {
+                               dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
+                               return -EINVAL;
+                       }
+                       track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
+                       track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp];
+                       ib[idx] = track->cb_color_base_last[tmp];
+               } else {
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
+                               return -EINVAL;
+                       }
+                       track->cb_color_frag_bo[tmp] = reloc->robj;
+                       track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8;
+                       ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               }
+               if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
+                       track->cb_dirty = true;
+               }
+               break;
+       case R_0280C0_CB_COLOR0_TILE:
+       case R_0280C4_CB_COLOR1_TILE:
+       case R_0280C8_CB_COLOR2_TILE:
+       case R_0280CC_CB_COLOR3_TILE:
+       case R_0280D0_CB_COLOR4_TILE:
+       case R_0280D4_CB_COLOR5_TILE:
+       case R_0280D8_CB_COLOR6_TILE:
+       case R_0280DC_CB_COLOR7_TILE:
+               tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
+               if (!radeon_cs_packet_next_is_pkt3_nop(p)) {
+                       if (!track->cb_color_base_last[tmp]) {
+                               dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
+                               return -EINVAL;
+                       }
+                       track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
+                       track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp];
+                       ib[idx] = track->cb_color_base_last[tmp];
+               } else {
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
+                               return -EINVAL;
+                       }
+                       track->cb_color_tile_bo[tmp] = reloc->robj;
+                       track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8;
+                       ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               }
+               if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
+                       track->cb_dirty = true;
+               }
+               break;
+       case R_028100_CB_COLOR0_MASK:
+       case R_028104_CB_COLOR1_MASK:
+       case R_028108_CB_COLOR2_MASK:
+       case R_02810C_CB_COLOR3_MASK:
+       case R_028110_CB_COLOR4_MASK:
+       case R_028114_CB_COLOR5_MASK:
+       case R_028118_CB_COLOR6_MASK:
+       case R_02811C_CB_COLOR7_MASK:
+               tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
+               track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
+               if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
+                       track->cb_dirty = true;
+               }
+               break;
+       case CB_COLOR0_BASE:
+       case CB_COLOR1_BASE:
+       case CB_COLOR2_BASE:
+       case CB_COLOR3_BASE:
+       case CB_COLOR4_BASE:
+       case CB_COLOR5_BASE:
+       case CB_COLOR6_BASE:
+       case CB_COLOR7_BASE:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               tmp = (reg - CB_COLOR0_BASE) / 4;
+               track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8;
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               track->cb_color_base_last[tmp] = ib[idx];
+               track->cb_color_bo[tmp] = reloc->robj;
+               track->cb_color_bo_mc[tmp] = reloc->gpu_offset;
+               track->cb_dirty = true;
+               break;
+       case DB_DEPTH_BASE:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               track->db_offset = radeon_get_ib_value(p, idx) << 8;
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               track->db_bo = reloc->robj;
+               track->db_bo_mc = reloc->gpu_offset;
+               track->db_dirty = true;
+               break;
+       case DB_HTILE_DATA_BASE:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               track->htile_offset = radeon_get_ib_value(p, idx) << 8;
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               track->htile_bo = reloc->robj;
+               track->db_dirty = true;
+               break;
+       case DB_HTILE_SURFACE:
+               track->htile_surface = radeon_get_ib_value(p, idx);
+               /* force 8x8 htile width and height */
+               ib[idx] |= 3;
+               track->db_dirty = true;
+               break;
+       case SQ_PGM_START_FS:
+       case SQ_PGM_START_ES:
+       case SQ_PGM_START_VS:
+       case SQ_PGM_START_GS:
+       case SQ_PGM_START_PS:
+       case SQ_ALU_CONST_CACHE_GS_0:
+       case SQ_ALU_CONST_CACHE_GS_1:
+       case SQ_ALU_CONST_CACHE_GS_2:
+       case SQ_ALU_CONST_CACHE_GS_3:
+       case SQ_ALU_CONST_CACHE_GS_4:
+       case SQ_ALU_CONST_CACHE_GS_5:
+       case SQ_ALU_CONST_CACHE_GS_6:
+       case SQ_ALU_CONST_CACHE_GS_7:
+       case SQ_ALU_CONST_CACHE_GS_8:
+       case SQ_ALU_CONST_CACHE_GS_9:
+       case SQ_ALU_CONST_CACHE_GS_10:
+       case SQ_ALU_CONST_CACHE_GS_11:
+       case SQ_ALU_CONST_CACHE_GS_12:
+       case SQ_ALU_CONST_CACHE_GS_13:
+       case SQ_ALU_CONST_CACHE_GS_14:
+       case SQ_ALU_CONST_CACHE_GS_15:
+       case SQ_ALU_CONST_CACHE_PS_0:
+       case SQ_ALU_CONST_CACHE_PS_1:
+       case SQ_ALU_CONST_CACHE_PS_2:
+       case SQ_ALU_CONST_CACHE_PS_3:
+       case SQ_ALU_CONST_CACHE_PS_4:
+       case SQ_ALU_CONST_CACHE_PS_5:
+       case SQ_ALU_CONST_CACHE_PS_6:
+       case SQ_ALU_CONST_CACHE_PS_7:
+       case SQ_ALU_CONST_CACHE_PS_8:
+       case SQ_ALU_CONST_CACHE_PS_9:
+       case SQ_ALU_CONST_CACHE_PS_10:
+       case SQ_ALU_CONST_CACHE_PS_11:
+       case SQ_ALU_CONST_CACHE_PS_12:
+       case SQ_ALU_CONST_CACHE_PS_13:
+       case SQ_ALU_CONST_CACHE_PS_14:
+       case SQ_ALU_CONST_CACHE_PS_15:
+       case SQ_ALU_CONST_CACHE_VS_0:
+       case SQ_ALU_CONST_CACHE_VS_1:
+       case SQ_ALU_CONST_CACHE_VS_2:
+       case SQ_ALU_CONST_CACHE_VS_3:
+       case SQ_ALU_CONST_CACHE_VS_4:
+       case SQ_ALU_CONST_CACHE_VS_5:
+       case SQ_ALU_CONST_CACHE_VS_6:
+       case SQ_ALU_CONST_CACHE_VS_7:
+       case SQ_ALU_CONST_CACHE_VS_8:
+       case SQ_ALU_CONST_CACHE_VS_9:
+       case SQ_ALU_CONST_CACHE_VS_10:
+       case SQ_ALU_CONST_CACHE_VS_11:
+       case SQ_ALU_CONST_CACHE_VS_12:
+       case SQ_ALU_CONST_CACHE_VS_13:
+       case SQ_ALU_CONST_CACHE_VS_14:
+       case SQ_ALU_CONST_CACHE_VS_15:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONTEXT_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               break;
+       case SX_MEMORY_EXPORT_BASE:
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       dev_warn(p->dev, "bad SET_CONFIG_REG "
+                                       "0x%04X\n", reg);
+                       return -EINVAL;
+               }
+               ib[idx] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               break;
+       case SX_MISC:
+               track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0;
+               break;
+       default:
+               dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
+               return -EINVAL;
+       }
+       return 0;
+}
+
+unsigned r600_mip_minify(unsigned size, unsigned level)
+{
+       unsigned val;
+
+       val = max(1U, size >> level);
+       if (level > 0)
+               val = roundup_pow_of_two(val);
+       return val;
+}
+
+static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,
+                             unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format,
+                             unsigned block_align, unsigned height_align, unsigned base_align,
+                             unsigned *l0_size, unsigned *mipmap_size)
+{
+       unsigned offset, i, level;
+       unsigned width, height, depth, size;
+       unsigned blocksize;
+       unsigned nbx, nby;
+       unsigned nlevels = llevel - blevel + 1;
+
+       *l0_size = -1;
+       blocksize = r600_fmt_get_blocksize(format);
+
+       w0 = r600_mip_minify(w0, 0);
+       h0 = r600_mip_minify(h0, 0);
+       d0 = r600_mip_minify(d0, 0);
+       for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
+               width = r600_mip_minify(w0, i);
+               nbx = r600_fmt_get_nblocksx(format, width);
+
+               nbx = round_up(nbx, block_align);
+
+               height = r600_mip_minify(h0, i);
+               nby = r600_fmt_get_nblocksy(format, height);
+               nby = round_up(nby, height_align);
+
+               depth = r600_mip_minify(d0, i);
+
+               size = nbx * nby * blocksize * nsamples;
+               if (nfaces)
+                       size *= nfaces;
+               else
+                       size *= depth;
+
+               if (i == 0)
+                       *l0_size = size;
+
+               if (i == 0 || i == 1)
+                       offset = round_up(offset, base_align);
+
+               offset += size;
+       }
+       *mipmap_size = offset;
+       if (llevel == 0)
+               *mipmap_size = *l0_size;
+       if (!blevel)
+               *mipmap_size -= *l0_size;
+}
+
+/**
+ * r600_check_texture_resource() - check if register is authorized or not
+ * @p: parser structure holding parsing context
+ * @idx: index into the cs buffer
+ * @texture: texture's bo structure
+ * @mipmap: mipmap's bo structure
+ *
+ * This function will check that the resource has valid field and that
+ * the texture and mipmap bo object are big enough to cover this resource.
+ */
+static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
+                                             struct radeon_bo *texture,
+                                             struct radeon_bo *mipmap,
+                                             u64 base_offset,
+                                             u64 mip_offset,
+                                             u32 tiling_flags)
+{
+       struct r600_cs_track *track = p->track;
+       u32 dim, nfaces, llevel, blevel, w0, h0, d0;
+       u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5;
+       u32 height_align, pitch, pitch_align, depth_align;
+       u32 barray, larray;
+       u64 base_align;
+       struct array_mode_checker array_check;
+       u32 format;
+       bool is_array;
+
+       /* on legacy kernel we don't perform advanced check */
+       if (p->rdev == NULL)
+               return 0;
+
+       /* convert to bytes */
+       base_offset <<= 8;
+       mip_offset <<= 8;
+
+       word0 = radeon_get_ib_value(p, idx + 0);
+       if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
+               if (tiling_flags & RADEON_TILING_MACRO)
+                       word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+               else if (tiling_flags & RADEON_TILING_MICRO)
+                       word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+       }
+       word1 = radeon_get_ib_value(p, idx + 1);
+       word2 = radeon_get_ib_value(p, idx + 2) << 8;
+       word3 = radeon_get_ib_value(p, idx + 3) << 8;
+       word4 = radeon_get_ib_value(p, idx + 4);
+       word5 = radeon_get_ib_value(p, idx + 5);
+       dim = G_038000_DIM(word0);
+       w0 = G_038000_TEX_WIDTH(word0) + 1;
+       pitch = (G_038000_PITCH(word0) + 1) * 8;
+       h0 = G_038004_TEX_HEIGHT(word1) + 1;
+       d0 = G_038004_TEX_DEPTH(word1);
+       format = G_038004_DATA_FORMAT(word1);
+       blevel = G_038010_BASE_LEVEL(word4);
+       llevel = G_038014_LAST_LEVEL(word5);
+       /* pitch in texels */
+       array_check.array_mode = G_038000_TILE_MODE(word0);
+       array_check.group_size = track->group_size;
+       array_check.nbanks = track->nbanks;
+       array_check.npipes = track->npipes;
+       array_check.nsamples = 1;
+       array_check.blocksize = r600_fmt_get_blocksize(format);
+       nfaces = 1;
+       is_array = false;
+       switch (dim) {
+       case V_038000_SQ_TEX_DIM_1D:
+       case V_038000_SQ_TEX_DIM_2D:
+       case V_038000_SQ_TEX_DIM_3D:
+               break;
+       case V_038000_SQ_TEX_DIM_CUBEMAP:
+               if (p->family >= CHIP_RV770)
+                       nfaces = 8;
+               else
+                       nfaces = 6;
+               break;
+       case V_038000_SQ_TEX_DIM_1D_ARRAY:
+       case V_038000_SQ_TEX_DIM_2D_ARRAY:
+               is_array = true;
+               break;
+       case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
+               is_array = true;
+               /* fall through */
+       case V_038000_SQ_TEX_DIM_2D_MSAA:
+               array_check.nsamples = 1 << llevel;
+               llevel = 0;
+               break;
+       default:
+               dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
+               return -EINVAL;
+       }
+       if (!r600_fmt_is_valid_texture(format, p->family)) {
+               dev_warn(p->dev, "%s:%d texture invalid format %d\n",
+                        __func__, __LINE__, format);
+               return -EINVAL;
+       }
+
+       if (r600_get_array_mode_alignment(&array_check,
+                                         &pitch_align, &height_align, &depth_align, &base_align)) {
+               dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n",
+                        __func__, __LINE__, G_038000_TILE_MODE(word0));
+               return -EINVAL;
+       }
+
+       /* XXX check height as well... */
+
+       if (!IS_ALIGNED(pitch, pitch_align)) {
+               dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n",
+                        __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0));
+               return -EINVAL;
+       }
+       if (!IS_ALIGNED(base_offset, base_align)) {
+               dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n",
+                        __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0));
+               return -EINVAL;
+       }
+       if (!IS_ALIGNED(mip_offset, base_align)) {
+               dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n",
+                        __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0));
+               return -EINVAL;
+       }
+
+       if (blevel > llevel) {
+               dev_warn(p->dev, "texture blevel %d > llevel %d\n",
+                        blevel, llevel);
+       }
+       if (is_array) {
+               barray = G_038014_BASE_ARRAY(word5);
+               larray = G_038014_LAST_ARRAY(word5);
+
+               nfaces = larray - barray + 1;
+       }
+       r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format,
+                         pitch_align, height_align, base_align,
+                         &l0_size, &mipmap_size);
+       /* using get ib will give us the offset into the texture bo */
+       if ((l0_size + word2) > radeon_bo_size(texture)) {
+               dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n",
+                        w0, h0, pitch_align, height_align,
+                        array_check.array_mode, format, word2,
+                        l0_size, radeon_bo_size(texture));
+               dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align);
+               return -EINVAL;
+       }
+       /* using get ib will give us the offset into the mipmap bo */
+       if ((mipmap_size + word3) > radeon_bo_size(mipmap)) {
+               /*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
+                 w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/
+       }
+       return 0;
+}
+
+static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
+{
+       u32 m, i;
+
+       i = (reg >> 7);
+       if (i >= ARRAY_SIZE(r600_reg_safe_bm)) {
+               dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
+               return false;
+       }
+       m = 1 << ((reg >> 2) & 31);
+       if (!(r600_reg_safe_bm[i] & m))
+               return true;
+       dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
+       return false;
+}
+
+static int r600_packet3_check(struct radeon_cs_parser *p,
+                               struct radeon_cs_packet *pkt)
+{
+       struct radeon_bo_list *reloc;
+       struct r600_cs_track *track;
+       volatile u32 *ib;
+       unsigned idx;
+       unsigned i;
+       unsigned start_reg, end_reg, reg;
+       int r;
+       u32 idx_value;
+
+       track = (struct r600_cs_track *)p->track;
+       ib = p->ib.ptr;
+       idx = pkt->idx + 1;
+       idx_value = radeon_get_ib_value(p, idx);
+
+       switch (pkt->opcode) {
+       case PACKET3_SET_PREDICATION:
+       {
+               int pred_op;
+               int tmp;
+               uint64_t offset;
+
+               if (pkt->count != 1) {
+                       DRM_ERROR("bad SET PREDICATION\n");
+                       return -EINVAL;
+               }
+
+               tmp = radeon_get_ib_value(p, idx + 1);
+               pred_op = (tmp >> 16) & 0x7;
+
+               /* for the clear predicate operation */
+               if (pred_op == 0)
+                       return 0;
+
+               if (pred_op > 2) {
+                       DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op);
+                       return -EINVAL;
+               }
+
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       DRM_ERROR("bad SET PREDICATION\n");
+                       return -EINVAL;
+               }
+
+               offset = reloc->gpu_offset +
+                        (idx_value & 0xfffffff0) +
+                        ((u64)(tmp & 0xff) << 32);
+
+               ib[idx + 0] = offset;
+               ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff);
+       }
+       break;
+
+       case PACKET3_START_3D_CMDBUF:
+               if (p->family >= CHIP_RV770 || pkt->count) {
+                       DRM_ERROR("bad START_3D\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_CONTEXT_CONTROL:
+               if (pkt->count != 1) {
+                       DRM_ERROR("bad CONTEXT_CONTROL\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_INDEX_TYPE:
+       case PACKET3_NUM_INSTANCES:
+               if (pkt->count) {
+                       DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_DRAW_INDEX:
+       {
+               uint64_t offset;
+               if (pkt->count != 3) {
+                       DRM_ERROR("bad DRAW_INDEX\n");
+                       return -EINVAL;
+               }
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       DRM_ERROR("bad DRAW_INDEX\n");
+                       return -EINVAL;
+               }
+
+               offset = reloc->gpu_offset +
+                        idx_value +
+                        ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
+
+               ib[idx+0] = offset;
+               ib[idx+1] = upper_32_bits(offset) & 0xff;
+
+               r = r600_cs_track_check(p);
+               if (r) {
+                       dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+                       return r;
+               }
+               break;
+       }
+       case PACKET3_DRAW_INDEX_AUTO:
+               if (pkt->count != 1) {
+                       DRM_ERROR("bad DRAW_INDEX_AUTO\n");
+                       return -EINVAL;
+               }
+               r = r600_cs_track_check(p);
+               if (r) {
+                       dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
+                       return r;
+               }
+               break;
+       case PACKET3_DRAW_INDEX_IMMD_BE:
+       case PACKET3_DRAW_INDEX_IMMD:
+               if (pkt->count < 2) {
+                       DRM_ERROR("bad DRAW_INDEX_IMMD\n");
+                       return -EINVAL;
+               }
+               r = r600_cs_track_check(p);
+               if (r) {
+                       dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+                       return r;
+               }
+               break;
+       case PACKET3_WAIT_REG_MEM:
+               if (pkt->count != 5) {
+                       DRM_ERROR("bad WAIT_REG_MEM\n");
+                       return -EINVAL;
+               }
+               /* bit 4 is reg (0) or mem (1) */
+               if (idx_value & 0x10) {
+                       uint64_t offset;
+
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad WAIT_REG_MEM\n");
+                               return -EINVAL;
+                       }
+
+                       offset = reloc->gpu_offset +
+                                (radeon_get_ib_value(p, idx+1) & 0xfffffff0) +
+                                ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
+
+                       ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0);
+                       ib[idx+2] = upper_32_bits(offset) & 0xff;
+               } else if (idx_value & 0x100) {
+                       DRM_ERROR("cannot use PFP on REG wait\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_CP_DMA:
+       {
+               u32 command, size;
+               u64 offset, tmp;
+               if (pkt->count != 4) {
+                       DRM_ERROR("bad CP DMA\n");
+                       return -EINVAL;
+               }
+               command = radeon_get_ib_value(p, idx+4);
+               size = command & 0x1fffff;
+               if (command & PACKET3_CP_DMA_CMD_SAS) {
+                       /* src address space is register */
+                       DRM_ERROR("CP DMA SAS not supported\n");
+                       return -EINVAL;
+               } else {
+                       if (command & PACKET3_CP_DMA_CMD_SAIC) {
+                               DRM_ERROR("CP DMA SAIC only supported for registers\n");
+                               return -EINVAL;
+                       }
+                       /* src address space is memory */
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad CP DMA SRC\n");
+                               return -EINVAL;
+                       }
+
+                       tmp = radeon_get_ib_value(p, idx) +
+                               ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32);
+
+                       offset = reloc->gpu_offset + tmp;
+
+                       if ((tmp + size) > radeon_bo_size(reloc->robj)) {
+                               dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n",
+                                        tmp + size, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+
+                       ib[idx] = offset;
+                       ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
+               }
+               if (command & PACKET3_CP_DMA_CMD_DAS) {
+                       /* dst address space is register */
+                       DRM_ERROR("CP DMA DAS not supported\n");
+                       return -EINVAL;
+               } else {
+                       /* dst address space is memory */
+                       if (command & PACKET3_CP_DMA_CMD_DAIC) {
+                               DRM_ERROR("CP DMA DAIC only supported for registers\n");
+                               return -EINVAL;
+                       }
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad CP DMA DST\n");
+                               return -EINVAL;
+                       }
+
+                       tmp = radeon_get_ib_value(p, idx+2) +
+                               ((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32);
+
+                       offset = reloc->gpu_offset + tmp;
+
+                       if ((tmp + size) > radeon_bo_size(reloc->robj)) {
+                               dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n",
+                                        tmp + size, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+
+                       ib[idx+2] = offset;
+                       ib[idx+3] = upper_32_bits(offset) & 0xff;
+               }
+               break;
+       }
+       case PACKET3_SURFACE_SYNC:
+               if (pkt->count != 3) {
+                       DRM_ERROR("bad SURFACE_SYNC\n");
+                       return -EINVAL;
+               }
+               /* 0xffffffff/0x0 is flush all cache flag */
+               if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
+                   radeon_get_ib_value(p, idx + 2) != 0) {
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad SURFACE_SYNC\n");
+                               return -EINVAL;
+                       }
+                       ib[idx+2] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               }
+               break;
+       case PACKET3_EVENT_WRITE:
+               if (pkt->count != 2 && pkt->count != 0) {
+                       DRM_ERROR("bad EVENT_WRITE\n");
+                       return -EINVAL;
+               }
+               if (pkt->count) {
+                       uint64_t offset;
+
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad EVENT_WRITE\n");
+                               return -EINVAL;
+                       }
+                       offset = reloc->gpu_offset +
+                                (radeon_get_ib_value(p, idx+1) & 0xfffffff8) +
+                                ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
+
+                       ib[idx+1] = offset & 0xfffffff8;
+                       ib[idx+2] = upper_32_bits(offset) & 0xff;
+               }
+               break;
+       case PACKET3_EVENT_WRITE_EOP:
+       {
+               uint64_t offset;
+
+               if (pkt->count != 4) {
+                       DRM_ERROR("bad EVENT_WRITE_EOP\n");
+                       return -EINVAL;
+               }
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       DRM_ERROR("bad EVENT_WRITE\n");
+                       return -EINVAL;
+               }
+
+               offset = reloc->gpu_offset +
+                        (radeon_get_ib_value(p, idx+1) & 0xfffffffc) +
+                        ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32);
+
+               ib[idx+1] = offset & 0xfffffffc;
+               ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff);
+               break;
+       }
+       case PACKET3_SET_CONFIG_REG:
+               start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
+                   (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
+                   (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
+                       DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
+                       return -EINVAL;
+               }
+               for (i = 0; i < pkt->count; i++) {
+                       reg = start_reg + (4 * i);
+                       r = r600_cs_check_reg(p, reg, idx+1+i);
+                       if (r)
+                               return r;
+               }
+               break;
+       case PACKET3_SET_CONTEXT_REG:
+               start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
+                   (start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
+                   (end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
+                       DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
+                       return -EINVAL;
+               }
+               for (i = 0; i < pkt->count; i++) {
+                       reg = start_reg + (4 * i);
+                       r = r600_cs_check_reg(p, reg, idx+1+i);
+                       if (r)
+                               return r;
+               }
+               break;
+       case PACKET3_SET_RESOURCE:
+               if (pkt->count % 7) {
+                       DRM_ERROR("bad SET_RESOURCE\n");
+                       return -EINVAL;
+               }
+               start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
+                   (start_reg >= PACKET3_SET_RESOURCE_END) ||
+                   (end_reg >= PACKET3_SET_RESOURCE_END)) {
+                       DRM_ERROR("bad SET_RESOURCE\n");
+                       return -EINVAL;
+               }
+               for (i = 0; i < (pkt->count / 7); i++) {
+                       struct radeon_bo *texture, *mipmap;
+                       u32 size, offset, base_offset, mip_offset;
+
+                       switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
+                       case SQ_TEX_VTX_VALID_TEXTURE:
+                               /* tex base */
+                               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                               if (r) {
+                                       DRM_ERROR("bad SET_RESOURCE\n");
+                                       return -EINVAL;
+                               }
+                               base_offset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+                               if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
+                                       if (reloc->tiling_flags & RADEON_TILING_MACRO)
+                                               ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1);
+                                       else if (reloc->tiling_flags & RADEON_TILING_MICRO)
+                                               ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1);
+                               }
+                               texture = reloc->robj;
+                               /* tex mip base */
+                               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                               if (r) {
+                                       DRM_ERROR("bad SET_RESOURCE\n");
+                                       return -EINVAL;
+                               }
+                               mip_offset = (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+                               mipmap = reloc->robj;
+                               r = r600_check_texture_resource(p,  idx+(i*7)+1,
+                                                               texture, mipmap,
+                                                               base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2),
+                                                               mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3),
+                                                               reloc->tiling_flags);
+                               if (r)
+                                       return r;
+                               ib[idx+1+(i*7)+2] += base_offset;
+                               ib[idx+1+(i*7)+3] += mip_offset;
+                               break;
+                       case SQ_TEX_VTX_VALID_BUFFER:
+                       {
+                               uint64_t offset64;
+                               /* vtx base */
+                               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                               if (r) {
+                                       DRM_ERROR("bad SET_RESOURCE\n");
+                                       return -EINVAL;
+                               }
+                               offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
+                               size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1;
+                               if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
+                                       /* force size to size of the buffer */
+                                       dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n",
+                                                size + offset, radeon_bo_size(reloc->robj));
+                                       ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset;
+                               }
+
+                               offset64 = reloc->gpu_offset + offset;
+                               ib[idx+1+(i*8)+0] = offset64;
+                               ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) |
+                                                   (upper_32_bits(offset64) & 0xff);
+                               break;
+                       }
+                       case SQ_TEX_VTX_INVALID_TEXTURE:
+                       case SQ_TEX_VTX_INVALID_BUFFER:
+                       default:
+                               DRM_ERROR("bad SET_RESOURCE\n");
+                               return -EINVAL;
+                       }
+               }
+               break;
+       case PACKET3_SET_ALU_CONST:
+               if (track->sq_config & DX9_CONSTS) {
+                       start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
+                       end_reg = 4 * pkt->count + start_reg - 4;
+                       if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
+                           (start_reg >= PACKET3_SET_ALU_CONST_END) ||
+                           (end_reg >= PACKET3_SET_ALU_CONST_END)) {
+                               DRM_ERROR("bad SET_ALU_CONST\n");
+                               return -EINVAL;
+                       }
+               }
+               break;
+       case PACKET3_SET_BOOL_CONST:
+               start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
+                   (start_reg >= PACKET3_SET_BOOL_CONST_END) ||
+                   (end_reg >= PACKET3_SET_BOOL_CONST_END)) {
+                       DRM_ERROR("bad SET_BOOL_CONST\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_SET_LOOP_CONST:
+               start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
+                   (start_reg >= PACKET3_SET_LOOP_CONST_END) ||
+                   (end_reg >= PACKET3_SET_LOOP_CONST_END)) {
+                       DRM_ERROR("bad SET_LOOP_CONST\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_SET_CTL_CONST:
+               start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
+                   (start_reg >= PACKET3_SET_CTL_CONST_END) ||
+                   (end_reg >= PACKET3_SET_CTL_CONST_END)) {
+                       DRM_ERROR("bad SET_CTL_CONST\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_SET_SAMPLER:
+               if (pkt->count % 3) {
+                       DRM_ERROR("bad SET_SAMPLER\n");
+                       return -EINVAL;
+               }
+               start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
+               end_reg = 4 * pkt->count + start_reg - 4;
+               if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
+                   (start_reg >= PACKET3_SET_SAMPLER_END) ||
+                   (end_reg >= PACKET3_SET_SAMPLER_END)) {
+                       DRM_ERROR("bad SET_SAMPLER\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_STRMOUT_BASE_UPDATE:
+               /* RS780 and RS880 also need this */
+               if (p->family < CHIP_RS780) {
+                       DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
+                       return -EINVAL;
+               }
+               if (pkt->count != 1) {
+                       DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n");
+                       return -EINVAL;
+               }
+               if (idx_value > 3) {
+                       DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n");
+                       return -EINVAL;
+               }
+               {
+                       u64 offset;
+
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n");
+                               return -EINVAL;
+                       }
+
+                       if (reloc->robj != track->vgt_strmout_bo[idx_value]) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n");
+                               return -EINVAL;
+                       }
+
+                       offset = radeon_get_ib_value(p, idx+1) << 8;
+                       if (offset != track->vgt_strmout_bo_offset[idx_value]) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n",
+                                         offset, track->vgt_strmout_bo_offset[idx_value]);
+                               return -EINVAL;
+                       }
+
+                       if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+                               DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n",
+                                         offset + 4, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+                       ib[idx+1] += (u32)((reloc->gpu_offset >> 8) & 0xffffffff);
+               }
+               break;
+       case PACKET3_SURFACE_BASE_UPDATE:
+               if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
+                       DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
+                       return -EINVAL;
+               }
+               if (pkt->count) {
+                       DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
+                       return -EINVAL;
+               }
+               break;
+       case PACKET3_STRMOUT_BUFFER_UPDATE:
+               if (pkt->count != 4) {
+                       DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n");
+                       return -EINVAL;
+               }
+               /* Updating memory at DST_ADDRESS. */
+               if (idx_value & 0x1) {
+                       u64 offset;
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n");
+                               return -EINVAL;
+                       }
+                       offset = radeon_get_ib_value(p, idx+1);
+                       offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
+                       if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+                               DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n",
+                                         offset + 4, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+                       offset += reloc->gpu_offset;
+                       ib[idx+1] = offset;
+                       ib[idx+2] = upper_32_bits(offset) & 0xff;
+               }
+               /* Reading data from SRC_ADDRESS. */
+               if (((idx_value >> 1) & 0x3) == 2) {
+                       u64 offset;
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n");
+                               return -EINVAL;
+                       }
+                       offset = radeon_get_ib_value(p, idx+3);
+                       offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+                       if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+                               DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n",
+                                         offset + 4, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+                       offset += reloc->gpu_offset;
+                       ib[idx+3] = offset;
+                       ib[idx+4] = upper_32_bits(offset) & 0xff;
+               }
+               break;
+       case PACKET3_MEM_WRITE:
+       {
+               u64 offset;
+
+               if (pkt->count != 3) {
+                       DRM_ERROR("bad MEM_WRITE (invalid count)\n");
+                       return -EINVAL;
+               }
+               r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+               if (r) {
+                       DRM_ERROR("bad MEM_WRITE (missing reloc)\n");
+                       return -EINVAL;
+               }
+               offset = radeon_get_ib_value(p, idx+0);
+               offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL;
+               if (offset & 0x7) {
+                       DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n");
+                       return -EINVAL;
+               }
+               if ((offset + 8) > radeon_bo_size(reloc->robj)) {
+                       DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n",
+                                 offset + 8, radeon_bo_size(reloc->robj));
+                       return -EINVAL;
+               }
+               offset += reloc->gpu_offset;
+               ib[idx+0] = offset;
+               ib[idx+1] = upper_32_bits(offset) & 0xff;
+               break;
+       }
+       case PACKET3_COPY_DW:
+               if (pkt->count != 4) {
+                       DRM_ERROR("bad COPY_DW (invalid count)\n");
+                       return -EINVAL;
+               }
+               if (idx_value & 0x1) {
+                       u64 offset;
+                       /* SRC is memory. */
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad COPY_DW (missing src reloc)\n");
+                               return -EINVAL;
+                       }
+                       offset = radeon_get_ib_value(p, idx+1);
+                       offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
+                       if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+                               DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n",
+                                         offset + 4, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+                       offset += reloc->gpu_offset;
+                       ib[idx+1] = offset;
+                       ib[idx+2] = upper_32_bits(offset) & 0xff;
+               } else {
+                       /* SRC is a reg. */
+                       reg = radeon_get_ib_value(p, idx+1) << 2;
+                       if (!r600_is_safe_reg(p, reg, idx+1))
+                               return -EINVAL;
+               }
+               if (idx_value & 0x2) {
+                       u64 offset;
+                       /* DST is memory. */
+                       r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm);
+                       if (r) {
+                               DRM_ERROR("bad COPY_DW (missing dst reloc)\n");
+                               return -EINVAL;
+                       }
+                       offset = radeon_get_ib_value(p, idx+3);
+                       offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+                       if ((offset + 4) > radeon_bo_size(reloc->robj)) {
+                               DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n",
+                                         offset + 4, radeon_bo_size(reloc->robj));
+                               return -EINVAL;
+                       }
+                       offset += reloc->gpu_offset;
+                       ib[idx+3] = offset;
+                       ib[idx+4] = upper_32_bits(offset) & 0xff;
+               } else {
+                       /* DST is a reg. */
+                       reg = radeon_get_ib_value(p, idx+3) << 2;
+                       if (!r600_is_safe_reg(p, reg, idx+3))
+                               return -EINVAL;
+               }
+               break;
+       case PACKET3_NOP:
+               break;
+       default:
+               DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
+               return -EINVAL;
+       }
+       return 0;
+}
+
+int r600_cs_parse(struct radeon_cs_parser *p)
+{
+       struct radeon_cs_packet pkt;
+       struct r600_cs_track *track;
+       int r;
+
+       if (p->track == NULL) {
+               /* initialize tracker, we are in kms */
+               track = kzalloc(sizeof(*track), GFP_KERNEL);
+               if (track == NULL)
+                       return -ENOMEM;
+               r600_cs_track_init(track);
+               if (p->rdev->family < CHIP_RV770) {
+                       track->npipes = p->rdev->config.r600.tiling_npipes;
+                       track->nbanks = p->rdev->config.r600.tiling_nbanks;
+                       track->group_size = p->rdev->config.r600.tiling_group_size;
+               } else if (p->rdev->family <= CHIP_RV740) {
+                       track->npipes = p->rdev->config.rv770.tiling_npipes;
+                       track->nbanks = p->rdev->config.rv770.tiling_nbanks;
+                       track->group_size = p->rdev->config.rv770.tiling_group_size;
+               }
+               p->track = track;
+       }
+       do {
+               r = radeon_cs_packet_parse(p, &pkt, p->idx);
+               if (r) {
+                       kfree(p->track);
+                       p->track = NULL;
+                       return r;
+               }
+               p->idx += pkt.count + 2;
+               switch (pkt.type) {
+               case RADEON_PACKET_TYPE0:
+                       r = r600_cs_parse_packet0(p, &pkt);
+                       break;
+               case RADEON_PACKET_TYPE2:
+                       break;
+               case RADEON_PACKET_TYPE3:
+                       r = r600_packet3_check(p, &pkt);
+                       break;
+               default:
+                       DRM_ERROR("Unknown packet type %d !\n", pkt.type);
+                       kfree(p->track);
+                       p->track = NULL;
+                       return -EINVAL;
+               }
+               if (r) {
+                       kfree(p->track);
+                       p->track = NULL;
+                       return r;
+               }
+       } while (p->idx < p->chunk_ib->length_dw);
+#if 0
+       for (r = 0; r < p->ib.length_dw; r++) {
+               printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
+               mdelay(1);
+       }
+#endif
+       kfree(p->track);
+       p->track = NULL;
+       return 0;
+}
+
+#ifdef CONFIG_DRM_RADEON_UMS
+
+/**
+ * cs_parser_fini() - clean parser states
+ * @parser:    parser structure holding parsing context.
+ * @error:     error number
+ *
+ * If error is set than unvalidate buffer, otherwise just free memory
+ * used by parsing context.
+ **/
+static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
+{
+       unsigned i;
+
+       kfree(parser->relocs);
+       for (i = 0; i < parser->nchunks; i++)
+               drm_free_large(parser->chunks[i].kdata);
+       kfree(parser->chunks);
+       kfree(parser->chunks_array);
+}
+
+static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
+{
+       if (p->chunk_relocs == NULL) {
+               return 0;
+       }
+       p->relocs = kzalloc(sizeof(struct radeon_bo_list), GFP_KERNEL);
+       if (p->relocs == NULL) {
+               return -ENOMEM;
+       }
+       return 0;
+}
+
+int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
+                       unsigned family, u32 *ib, int *l)
+{
+       struct radeon_cs_parser parser;
+       struct radeon_cs_chunk *ib_chunk;
+       struct r600_cs_track *track;
+       int r;
+
+       /* initialize tracker */
+       track = kzalloc(sizeof(*track), GFP_KERNEL);
+       if (track == NULL)
+               return -ENOMEM;
+       r600_cs_track_init(track);
+       r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
+       /* initialize parser */
+       memset(&parser, 0, sizeof(struct radeon_cs_parser));
+       parser.filp = filp;
+       parser.dev = &dev->pdev->dev;
+       parser.rdev = NULL;
+       parser.family = family;
+       parser.track = track;
+       parser.ib.ptr = ib;
+       r = radeon_cs_parser_init(&parser, data);
+       if (r) {
+               DRM_ERROR("Failed to initialize parser !\n");
+               r600_cs_parser_fini(&parser, r);
+               return r;
+       }
+       r = r600_cs_parser_relocs_legacy(&parser);
+       if (r) {
+               DRM_ERROR("Failed to parse relocation !\n");
+               r600_cs_parser_fini(&parser, r);
+               return r;
+       }
+       /* Copy the packet into the IB, the parser will read from the
+        * input memory (cached) and write to the IB (which can be
+        * uncached). */
+       ib_chunk = parser.chunk_ib;
+       parser.ib.length_dw = ib_chunk->length_dw;
+       *l = parser.ib.length_dw;
+       if (copy_from_user(ib, ib_chunk->user_ptr, ib_chunk->length_dw * 4)) {
+               r = -EFAULT;
+               r600_cs_parser_fini(&parser, r);
+               return r;
+       }
+       r = r600_cs_parse(&parser);
+       if (r) {
+               DRM_ERROR("Invalid command stream !\n");
+               r600_cs_parser_fini(&parser, r);
+               return r;
+       }
+       r600_cs_parser_fini(&parser, r);
+       return r;
+}
+
+void r600_cs_legacy_init(void)
+{
+       r600_nomm = 1;
+}
+
+#endif
+
+/*
+ *  DMA
+ */
+/**
+ * r600_dma_cs_next_reloc() - parse next reloc
+ * @p:         parser structure holding parsing context.
+ * @cs_reloc:          reloc informations
+ *
+ * Return the next reloc, do bo validation and compute
+ * GPU offset using the provided start.
+ **/
+int r600_dma_cs_next_reloc(struct radeon_cs_parser *p,
+                          struct radeon_bo_list **cs_reloc)
+{
+       struct radeon_cs_chunk *relocs_chunk;
+       unsigned idx;
+
+       *cs_reloc = NULL;
+       if (p->chunk_relocs == NULL) {
+               DRM_ERROR("No relocation chunk !\n");
+               return -EINVAL;
+       }
+       relocs_chunk = p->chunk_relocs;
+       idx = p->dma_reloc_idx;
+       if (idx >= p->nrelocs) {
+               DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
+                         idx, p->nrelocs);
+               return -EINVAL;
+       }
+       *cs_reloc = &p->relocs[idx];
+       p->dma_reloc_idx++;
+       return 0;
+}
+
+#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28)
+#define GET_DMA_COUNT(h) ((h) & 0x0000ffff)
+#define GET_DMA_T(h) (((h) & 0x00800000) >> 23)
+
+/**
+ * r600_dma_cs_parse() - parse the DMA IB
+ * @p:         parser structure holding parsing context.
+ *
+ * Parses the DMA IB from the CS ioctl and updates
+ * the GPU addresses based on the reloc information and
+ * checks for errors. (R6xx-R7xx)
+ * Returns 0 for success and an error on failure.
+ **/
+int r600_dma_cs_parse(struct radeon_cs_parser *p)
+{
+       struct radeon_cs_chunk *ib_chunk = p->chunk_ib;
+       struct radeon_bo_list *src_reloc, *dst_reloc;
+       u32 header, cmd, count, tiled;
+       volatile u32 *ib = p->ib.ptr;
+       u32 idx, idx_value;
+       u64 src_offset, dst_offset;
+       int r;
+
+       do {
+               if (p->idx >= ib_chunk->length_dw) {
+                       DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
+                                 p->idx, ib_chunk->length_dw);
+                       return -EINVAL;
+               }
+               idx = p->idx;
+               header = radeon_get_ib_value(p, idx);
+               cmd = GET_DMA_CMD(header);
+               count = GET_DMA_COUNT(header);
+               tiled = GET_DMA_T(header);
+
+               switch (cmd) {
+               case DMA_PACKET_WRITE:
+                       r = r600_dma_cs_next_reloc(p, &dst_reloc);
+                       if (r) {
+                               DRM_ERROR("bad DMA_PACKET_WRITE\n");
+                               return -EINVAL;
+                       }
+                       if (tiled) {
+                               dst_offset = radeon_get_ib_value(p, idx+1);
+                               dst_offset <<= 8;
+
+                               ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
+                               p->idx += count + 5;
+                       } else {
+                               dst_offset = radeon_get_ib_value(p, idx+1);
+                               dst_offset |= ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32;
+
+                               ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
+                               ib[idx+2] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
+                               p->idx += count + 3;
+                       }
+                       if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
+                               dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n",
+                                        dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
+                               return -EINVAL;
+                       }
+                       break;
+               case DMA_PACKET_COPY:
+                       r = r600_dma_cs_next_reloc(p, &src_reloc);
+                       if (r) {
+                               DRM_ERROR("bad DMA_PACKET_COPY\n");
+                               return -EINVAL;
+                       }
+                       r = r600_dma_cs_next_reloc(p, &dst_reloc);
+                       if (r) {
+                               DRM_ERROR("bad DMA_PACKET_COPY\n");
+                               return -EINVAL;
+                       }
+                       if (tiled) {
+                               idx_value = radeon_get_ib_value(p, idx + 2);
+                               /* detile bit */
+                               if (idx_value & (1 << 31)) {
+                                       /* tiled src, linear dst */
+                                       src_offset = radeon_get_ib_value(p, idx+1);
+                                       src_offset <<= 8;
+                                       ib[idx+1] += (u32)(src_reloc->gpu_offset >> 8);
+
+                                       dst_offset = radeon_get_ib_value(p, idx+5);
+                                       dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
+                                       ib[idx+5] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
+                                       ib[idx+6] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
+                               } else {
+                                       /* linear src, tiled dst */
+                                       src_offset = radeon_get_ib_value(p, idx+5);
+                                       src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32;
+                                       ib[idx+5] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
+                                       ib[idx+6] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
+
+                                       dst_offset = radeon_get_ib_value(p, idx+1);
+                                       dst_offset <<= 8;
+                                       ib[idx+1] += (u32)(dst_reloc->gpu_offset >> 8);
+                               }
+                               p->idx += 7;
+                       } else {
+                               if (p->family >= CHIP_RV770) {
+                                       src_offset = radeon_get_ib_value(p, idx+2);
+                                       src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32;
+                                       dst_offset = radeon_get_ib_value(p, idx+1);
+                                       dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
+
+                                       ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
+                                       ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
+                                       ib[idx+3] += upper_32_bits(dst_reloc->gpu_offset) & 0xff;
+                                       ib[idx+4] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
+                                       p->idx += 5;
+                               } else {
+                                       src_offset = radeon_get_ib_value(p, idx+2);
+                                       src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32;
+                                       dst_offset = radeon_get_ib_value(p, idx+1);
+                                       dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff0000)) << 16;
+
+                                       ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
+                                       ib[idx+2] += (u32)(src_reloc->gpu_offset & 0xfffffffc);
+                                       ib[idx+3] += upper_32_bits(src_reloc->gpu_offset) & 0xff;
+                                       ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) & 0xff) << 16;
+                                       p->idx += 4;
+                               }
+                       }
+                       if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) {
+                               dev_warn(p->dev, "DMA copy src buffer too small (%llu %lu)\n",
+                                        src_offset + (count * 4), radeon_bo_size(src_reloc->robj));
+                               return -EINVAL;
+                       }
+                       if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
+                               dev_warn(p->dev, "DMA write dst buffer too small (%llu %lu)\n",
+                                        dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
+                               return -EINVAL;
+                       }
+                       break;
+               case DMA_PACKET_CONSTANT_FILL:
+                       if (p->family < CHIP_RV770) {
+                               DRM_ERROR("Constant Fill is 7xx only !\n");
+                               return -EINVAL;
+                       }
+                       r = r600_dma_cs_next_reloc(p, &dst_reloc);
+                       if (r) {
+                               DRM_ERROR("bad DMA_PACKET_WRITE\n");
+                               return -EINVAL;
+                       }
+                       dst_offset = radeon_get_ib_value(p, idx+1);
+                       dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16;
+                       if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) {
+                               dev_warn(p->dev, "DMA constant fill buffer too small (%llu %lu)\n",
+                                        dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj));
+                               return -EINVAL;
+                       }
+                       ib[idx+1] += (u32)(dst_reloc->gpu_offset & 0xfffffffc);
+                       ib[idx+3] += (upper_32_bits(dst_reloc->gpu_offset) << 16) & 0x00ff0000;
+                       p->idx += 4;
+                       break;
+               case DMA_PACKET_NOP:
+                       p->idx += 1;
+                       break;
+               default:
+                       DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx);
+                       return -EINVAL;
+               }
+       } while (p->idx < p->chunk_ib->length_dw);
+#if 0
+       for (r = 0; r < p->ib->length_dw; r++) {
+               printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]);
+               mdelay(1);
+       }
+#endif
+       return 0;
+}