--- /dev/null
+/*
+ * Copyright 2007-8 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ *
+ * 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
+ */
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/radeon_drm.h>
+#include <drm/drm_fixed.h>
+#include "radeon.h"
+#include "atom.h"
+
+static void radeon_overscan_setup(struct drm_crtc *crtc,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+ WREG32(RADEON_OVR_CLR + radeon_crtc->crtc_offset, 0);
+ WREG32(RADEON_OVR_WID_LEFT_RIGHT + radeon_crtc->crtc_offset, 0);
+ WREG32(RADEON_OVR_WID_TOP_BOTTOM + radeon_crtc->crtc_offset, 0);
+}
+
+static void radeon_legacy_rmx_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ int xres = mode->hdisplay;
+ int yres = mode->vdisplay;
+ bool hscale = true, vscale = true;
+ int hsync_wid;
+ int vsync_wid;
+ int hsync_start;
+ int blank_width;
+ u32 scale, inc, crtc_more_cntl;
+ u32 fp_horz_stretch, fp_vert_stretch, fp_horz_vert_active;
+ u32 fp_h_sync_strt_wid, fp_crtc_h_total_disp;
+ u32 fp_v_sync_strt_wid, fp_crtc_v_total_disp;
+ struct drm_display_mode *native_mode = &radeon_crtc->native_mode;
+
+ fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH) &
+ (RADEON_VERT_STRETCH_RESERVED |
+ RADEON_VERT_AUTO_RATIO_INC);
+ fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH) &
+ (RADEON_HORZ_FP_LOOP_STRETCH |
+ RADEON_HORZ_AUTO_RATIO_INC);
+
+ crtc_more_cntl = 0;
+ if ((rdev->family == CHIP_RS100) ||
+ (rdev->family == CHIP_RS200)) {
+ /* This is to workaround the asic bug for RMX, some versions
+ of BIOS dosen't have this register initialized correctly. */
+ crtc_more_cntl |= RADEON_CRTC_H_CUTOFF_ACTIVE_EN;
+ }
+
+
+ fp_crtc_h_total_disp = ((((mode->crtc_htotal / 8) - 1) & 0x3ff)
+ | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16));
+
+ hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8;
+ if (!hsync_wid)
+ hsync_wid = 1;
+ hsync_start = mode->crtc_hsync_start - 8;
+
+ fp_h_sync_strt_wid = ((hsync_start & 0x1fff)
+ | ((hsync_wid & 0x3f) << 16)
+ | ((mode->flags & DRM_MODE_FLAG_NHSYNC)
+ ? RADEON_CRTC_H_SYNC_POL
+ : 0));
+
+ fp_crtc_v_total_disp = (((mode->crtc_vtotal - 1) & 0xffff)
+ | ((mode->crtc_vdisplay - 1) << 16));
+
+ vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ if (!vsync_wid)
+ vsync_wid = 1;
+
+ fp_v_sync_strt_wid = (((mode->crtc_vsync_start - 1) & 0xfff)
+ | ((vsync_wid & 0x1f) << 16)
+ | ((mode->flags & DRM_MODE_FLAG_NVSYNC)
+ ? RADEON_CRTC_V_SYNC_POL
+ : 0));
+
+ fp_horz_vert_active = 0;
+
+ if (native_mode->hdisplay == 0 ||
+ native_mode->vdisplay == 0) {
+ hscale = false;
+ vscale = false;
+ } else {
+ if (xres > native_mode->hdisplay)
+ xres = native_mode->hdisplay;
+ if (yres > native_mode->vdisplay)
+ yres = native_mode->vdisplay;
+
+ if (xres == native_mode->hdisplay)
+ hscale = false;
+ if (yres == native_mode->vdisplay)
+ vscale = false;
+ }
+
+ switch (radeon_crtc->rmx_type) {
+ case RMX_FULL:
+ case RMX_ASPECT:
+ if (!hscale)
+ fp_horz_stretch |= ((xres/8-1) << 16);
+ else {
+ inc = (fp_horz_stretch & RADEON_HORZ_AUTO_RATIO_INC) ? 1 : 0;
+ scale = ((xres + inc) * RADEON_HORZ_STRETCH_RATIO_MAX)
+ / native_mode->hdisplay + 1;
+ fp_horz_stretch |= (((scale) & RADEON_HORZ_STRETCH_RATIO_MASK) |
+ RADEON_HORZ_STRETCH_BLEND |
+ RADEON_HORZ_STRETCH_ENABLE |
+ ((native_mode->hdisplay/8-1) << 16));
+ }
+
+ if (!vscale)
+ fp_vert_stretch |= ((yres-1) << 12);
+ else {
+ inc = (fp_vert_stretch & RADEON_VERT_AUTO_RATIO_INC) ? 1 : 0;
+ scale = ((yres + inc) * RADEON_VERT_STRETCH_RATIO_MAX)
+ / native_mode->vdisplay + 1;
+ fp_vert_stretch |= (((scale) & RADEON_VERT_STRETCH_RATIO_MASK) |
+ RADEON_VERT_STRETCH_ENABLE |
+ RADEON_VERT_STRETCH_BLEND |
+ ((native_mode->vdisplay-1) << 12));
+ }
+ break;
+ case RMX_CENTER:
+ fp_horz_stretch |= ((xres/8-1) << 16);
+ fp_vert_stretch |= ((yres-1) << 12);
+
+ crtc_more_cntl |= (RADEON_CRTC_AUTO_HORZ_CENTER_EN |
+ RADEON_CRTC_AUTO_VERT_CENTER_EN);
+
+ blank_width = (mode->crtc_hblank_end - mode->crtc_hblank_start) / 8;
+ if (blank_width > 110)
+ blank_width = 110;
+
+ fp_crtc_h_total_disp = (((blank_width) & 0x3ff)
+ | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16));
+
+ hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8;
+ if (!hsync_wid)
+ hsync_wid = 1;
+
+ fp_h_sync_strt_wid = ((((mode->crtc_hsync_start - mode->crtc_hblank_start) / 8) & 0x1fff)
+ | ((hsync_wid & 0x3f) << 16)
+ | ((mode->flags & DRM_MODE_FLAG_NHSYNC)
+ ? RADEON_CRTC_H_SYNC_POL
+ : 0));
+
+ fp_crtc_v_total_disp = (((mode->crtc_vblank_end - mode->crtc_vblank_start) & 0xffff)
+ | ((mode->crtc_vdisplay - 1) << 16));
+
+ vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ if (!vsync_wid)
+ vsync_wid = 1;
+
+ fp_v_sync_strt_wid = ((((mode->crtc_vsync_start - mode->crtc_vblank_start) & 0xfff)
+ | ((vsync_wid & 0x1f) << 16)
+ | ((mode->flags & DRM_MODE_FLAG_NVSYNC)
+ ? RADEON_CRTC_V_SYNC_POL
+ : 0)));
+
+ fp_horz_vert_active = (((native_mode->vdisplay) & 0xfff) |
+ (((native_mode->hdisplay / 8) & 0x1ff) << 16));
+ break;
+ case RMX_OFF:
+ default:
+ fp_horz_stretch |= ((xres/8-1) << 16);
+ fp_vert_stretch |= ((yres-1) << 12);
+ break;
+ }
+
+ WREG32(RADEON_FP_HORZ_STRETCH, fp_horz_stretch);
+ WREG32(RADEON_FP_VERT_STRETCH, fp_vert_stretch);
+ WREG32(RADEON_CRTC_MORE_CNTL, crtc_more_cntl);
+ WREG32(RADEON_FP_HORZ_VERT_ACTIVE, fp_horz_vert_active);
+ WREG32(RADEON_FP_H_SYNC_STRT_WID, fp_h_sync_strt_wid);
+ WREG32(RADEON_FP_V_SYNC_STRT_WID, fp_v_sync_strt_wid);
+ WREG32(RADEON_FP_CRTC_H_TOTAL_DISP, fp_crtc_h_total_disp);
+ WREG32(RADEON_FP_CRTC_V_TOTAL_DISP, fp_crtc_v_total_disp);
+}
+
+static void radeon_pll_wait_for_read_update_complete(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ int i = 0;
+
+ /* FIXME: Certain revisions of R300 can't recover here. Not sure of
+ the cause yet, but this workaround will mask the problem for now.
+ Other chips usually will pass at the very first test, so the
+ workaround shouldn't have any effect on them. */
+ for (i = 0;
+ (i < 10000 &&
+ RREG32_PLL(RADEON_PPLL_REF_DIV) & RADEON_PPLL_ATOMIC_UPDATE_R);
+ i++);
+}
+
+static void radeon_pll_write_update(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+
+ while (RREG32_PLL(RADEON_PPLL_REF_DIV) & RADEON_PPLL_ATOMIC_UPDATE_R);
+
+ WREG32_PLL_P(RADEON_PPLL_REF_DIV,
+ RADEON_PPLL_ATOMIC_UPDATE_W,
+ ~(RADEON_PPLL_ATOMIC_UPDATE_W));
+}
+
+static void radeon_pll2_wait_for_read_update_complete(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+ int i = 0;
+
+
+ /* FIXME: Certain revisions of R300 can't recover here. Not sure of
+ the cause yet, but this workaround will mask the problem for now.
+ Other chips usually will pass at the very first test, so the
+ workaround shouldn't have any effect on them. */
+ for (i = 0;
+ (i < 10000 &&
+ RREG32_PLL(RADEON_P2PLL_REF_DIV) & RADEON_P2PLL_ATOMIC_UPDATE_R);
+ i++);
+}
+
+static void radeon_pll2_write_update(struct drm_device *dev)
+{
+ struct radeon_device *rdev = dev->dev_private;
+
+ while (RREG32_PLL(RADEON_P2PLL_REF_DIV) & RADEON_P2PLL_ATOMIC_UPDATE_R);
+
+ WREG32_PLL_P(RADEON_P2PLL_REF_DIV,
+ RADEON_P2PLL_ATOMIC_UPDATE_W,
+ ~(RADEON_P2PLL_ATOMIC_UPDATE_W));
+}
+
+static uint8_t radeon_compute_pll_gain(uint16_t ref_freq, uint16_t ref_div,
+ uint16_t fb_div)
+{
+ unsigned int vcoFreq;
+
+ if (!ref_div)
+ return 1;
+
+ vcoFreq = ((unsigned)ref_freq * fb_div) / ref_div;
+
+ /*
+ * This is horribly crude: the VCO frequency range is divided into
+ * 3 parts, each part having a fixed PLL gain value.
+ */
+ if (vcoFreq >= 30000)
+ /*
+ * [300..max] MHz : 7
+ */
+ return 7;
+ else if (vcoFreq >= 18000)
+ /*
+ * [180..300) MHz : 4
+ */
+ return 4;
+ else
+ /*
+ * [0..180) MHz : 1
+ */
+ return 1;
+}
+
+static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ uint32_t crtc_ext_cntl = 0;
+ uint32_t mask;
+
+ if (radeon_crtc->crtc_id)
+ mask = (RADEON_CRTC2_DISP_DIS |
+ RADEON_CRTC2_VSYNC_DIS |
+ RADEON_CRTC2_HSYNC_DIS |
+ RADEON_CRTC2_DISP_REQ_EN_B);
+ else
+ mask = (RADEON_CRTC_DISPLAY_DIS |
+ RADEON_CRTC_VSYNC_DIS |
+ RADEON_CRTC_HSYNC_DIS);
+
+ /*
+ * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC.
+ * Therefore it is set in the DAC DMPS function.
+ * This is different for GPU's with a single CRTC but a primary and a
+ * TV DAC: here it controls the single CRTC no matter where it is
+ * routed. Therefore we set it here.
+ */
+ if (rdev->flags & RADEON_SINGLE_CRTC)
+ crtc_ext_cntl = RADEON_CRTC_CRT_ON;
+
+ switch (mode) {
+ case DRM_MODE_DPMS_ON:
+ radeon_crtc->enabled = true;
+ /* adjust pm to dpms changes BEFORE enabling crtcs */
+ radeon_pm_compute_clocks(rdev);
+ if (radeon_crtc->crtc_id)
+ WREG32_P(RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_EN, ~(RADEON_CRTC2_EN | mask));
+ else {
+ WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN |
+ RADEON_CRTC_DISP_REQ_EN_B));
+ WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl));
+ }
+ drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+ radeon_crtc_load_lut(crtc);
+ break;
+ case DRM_MODE_DPMS_STANDBY:
+ case DRM_MODE_DPMS_SUSPEND:
+ case DRM_MODE_DPMS_OFF:
+ drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
+ if (radeon_crtc->crtc_id)
+ WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~(RADEON_CRTC2_EN | mask));
+ else {
+ WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN |
+ RADEON_CRTC_DISP_REQ_EN_B));
+ WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl));
+ }
+ radeon_crtc->enabled = false;
+ /* adjust pm to dpms changes AFTER disabling crtcs */
+ radeon_pm_compute_clocks(rdev);
+ break;
+ }
+}
+
+int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+ struct drm_framebuffer *old_fb)
+{
+ return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
+}
+
+int radeon_crtc_set_base_atomic(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, enum mode_set_atomic state)
+{
+ return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
+}
+
+int radeon_crtc_do_set_base(struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int x, int y, int atomic)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct radeon_framebuffer *radeon_fb;
+ struct drm_framebuffer *target_fb;
+ struct drm_gem_object *obj;
+ struct radeon_bo *rbo;
+ uint64_t base;
+ uint32_t crtc_offset, crtc_offset_cntl, crtc_tile_x0_y0 = 0;
+ uint32_t crtc_pitch, pitch_pixels;
+ uint32_t tiling_flags;
+ int format;
+ uint32_t gen_cntl_reg, gen_cntl_val;
+ int r;
+
+ DRM_DEBUG_KMS("\n");
+ /* no fb bound */
+ if (!atomic && !crtc->primary->fb) {
+ DRM_DEBUG_KMS("No FB bound\n");
+ return 0;
+ }
+
+ if (atomic) {
+ radeon_fb = to_radeon_framebuffer(fb);
+ target_fb = fb;
+ }
+ else {
+ radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
+ target_fb = crtc->primary->fb;
+ }
+
+ switch (target_fb->bits_per_pixel) {
+ case 8:
+ format = 2;
+ break;
+ case 15: /* 555 */
+ format = 3;
+ break;
+ case 16: /* 565 */
+ format = 4;
+ break;
+ case 24: /* RGB */
+ format = 5;
+ break;
+ case 32: /* xRGB */
+ format = 6;
+ break;
+ default:
+ return false;
+ }
+
+ /* Pin framebuffer & get tilling informations */
+ obj = radeon_fb->obj;
+ rbo = gem_to_radeon_bo(obj);
+retry:
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+ /* Only 27 bit offset for legacy CRTC */
+ r = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM, 1 << 27,
+ &base);
+ if (unlikely(r != 0)) {
+ radeon_bo_unreserve(rbo);
+
+ /* On old GPU like RN50 with little vram pining can fails because
+ * current fb is taking all space needed. So instead of unpining
+ * the old buffer after pining the new one, first unpin old one
+ * and then retry pining new one.
+ *
+ * As only master can set mode only master can pin and it is
+ * unlikely the master client will race with itself especialy
+ * on those old gpu with single crtc.
+ *
+ * We don't shutdown the display controller because new buffer
+ * will end up in same spot.
+ */
+ if (!atomic && fb && fb != crtc->primary->fb) {
+ struct radeon_bo *old_rbo;
+ unsigned long nsize, osize;
+
+ old_rbo = gem_to_radeon_bo(to_radeon_framebuffer(fb)->obj);
+ osize = radeon_bo_size(old_rbo);
+ nsize = radeon_bo_size(rbo);
+ if (nsize <= osize && !radeon_bo_reserve(old_rbo, false)) {
+ radeon_bo_unpin(old_rbo);
+ radeon_bo_unreserve(old_rbo);
+ fb = NULL;
+ goto retry;
+ }
+ }
+ return -EINVAL;
+ }
+ radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
+ radeon_bo_unreserve(rbo);
+ if (tiling_flags & RADEON_TILING_MICRO)
+ DRM_ERROR("trying to scanout microtiled buffer\n");
+
+ /* if scanout was in GTT this really wouldn't work */
+ /* crtc offset is from display base addr not FB location */
+ radeon_crtc->legacy_display_base_addr = rdev->mc.vram_start;
+
+ base -= radeon_crtc->legacy_display_base_addr;
+
+ crtc_offset_cntl = 0;
+
+ pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
+ crtc_pitch = (((pitch_pixels * target_fb->bits_per_pixel) +
+ ((target_fb->bits_per_pixel * 8) - 1)) /
+ (target_fb->bits_per_pixel * 8));
+ crtc_pitch |= crtc_pitch << 16;
+
+ crtc_offset_cntl |= RADEON_CRTC_GUI_TRIG_OFFSET_LEFT_EN;
+ if (tiling_flags & RADEON_TILING_MACRO) {
+ if (ASIC_IS_R300(rdev))
+ crtc_offset_cntl |= (R300_CRTC_X_Y_MODE_EN |
+ R300_CRTC_MICRO_TILE_BUFFER_DIS |
+ R300_CRTC_MACRO_TILE_EN);
+ else
+ crtc_offset_cntl |= RADEON_CRTC_TILE_EN;
+ } else {
+ if (ASIC_IS_R300(rdev))
+ crtc_offset_cntl &= ~(R300_CRTC_X_Y_MODE_EN |
+ R300_CRTC_MICRO_TILE_BUFFER_DIS |
+ R300_CRTC_MACRO_TILE_EN);
+ else
+ crtc_offset_cntl &= ~RADEON_CRTC_TILE_EN;
+ }
+
+ if (tiling_flags & RADEON_TILING_MACRO) {
+ if (ASIC_IS_R300(rdev)) {
+ crtc_tile_x0_y0 = x | (y << 16);
+ base &= ~0x7ff;
+ } else {
+ int byteshift = target_fb->bits_per_pixel >> 4;
+ int tile_addr = (((y >> 3) * pitch_pixels + x) >> (8 - byteshift)) << 11;
+ base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8);
+ crtc_offset_cntl |= (y % 16);
+ }
+ } else {
+ int offset = y * pitch_pixels + x;
+ switch (target_fb->bits_per_pixel) {
+ case 8:
+ offset *= 1;
+ break;
+ case 15:
+ case 16:
+ offset *= 2;
+ break;
+ case 24:
+ offset *= 3;
+ break;
+ case 32:
+ offset *= 4;
+ break;
+ default:
+ return false;
+ }
+ base += offset;
+ }
+
+ base &= ~7;
+
+ if (radeon_crtc->crtc_id == 1)
+ gen_cntl_reg = RADEON_CRTC2_GEN_CNTL;
+ else
+ gen_cntl_reg = RADEON_CRTC_GEN_CNTL;
+
+ gen_cntl_val = RREG32(gen_cntl_reg);
+ gen_cntl_val &= ~(0xf << 8);
+ gen_cntl_val |= (format << 8);
+ gen_cntl_val &= ~RADEON_CRTC_VSTAT_MODE_MASK;
+ WREG32(gen_cntl_reg, gen_cntl_val);
+
+ crtc_offset = (u32)base;
+
+ WREG32(RADEON_DISPLAY_BASE_ADDR + radeon_crtc->crtc_offset, radeon_crtc->legacy_display_base_addr);
+
+ if (ASIC_IS_R300(rdev)) {
+ if (radeon_crtc->crtc_id)
+ WREG32(R300_CRTC2_TILE_X0_Y0, crtc_tile_x0_y0);
+ else
+ WREG32(R300_CRTC_TILE_X0_Y0, crtc_tile_x0_y0);
+ }
+ WREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset, crtc_offset_cntl);
+ WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, crtc_offset);
+ WREG32(RADEON_CRTC_PITCH + radeon_crtc->crtc_offset, crtc_pitch);
+
+ if (!atomic && fb && fb != crtc->primary->fb) {
+ radeon_fb = to_radeon_framebuffer(fb);
+ rbo = gem_to_radeon_bo(radeon_fb->obj);
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r != 0))
+ return r;
+ radeon_bo_unpin(rbo);
+ radeon_bo_unreserve(rbo);
+ }
+
+ /* Bytes per pixel may have changed */
+ radeon_bandwidth_update(rdev);
+
+ return 0;
+}
+
+static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mode *mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_encoder *encoder;
+ int format;
+ int hsync_start;
+ int hsync_wid;
+ int vsync_wid;
+ uint32_t crtc_h_total_disp;
+ uint32_t crtc_h_sync_strt_wid;
+ uint32_t crtc_v_total_disp;
+ uint32_t crtc_v_sync_strt_wid;
+ bool is_tv = false;
+
+ DRM_DEBUG_KMS("\n");
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
+ is_tv = true;
+ DRM_INFO("crtc %d is connected to a TV\n", radeon_crtc->crtc_id);
+ break;
+ }
+ }
+ }
+
+ switch (crtc->primary->fb->bits_per_pixel) {
+ case 8:
+ format = 2;
+ break;
+ case 15: /* 555 */
+ format = 3;
+ break;
+ case 16: /* 565 */
+ format = 4;
+ break;
+ case 24: /* RGB */
+ format = 5;
+ break;
+ case 32: /* xRGB */
+ format = 6;
+ break;
+ default:
+ return false;
+ }
+
+ crtc_h_total_disp = ((((mode->crtc_htotal / 8) - 1) & 0x3ff)
+ | ((((mode->crtc_hdisplay / 8) - 1) & 0x1ff) << 16));
+
+ hsync_wid = (mode->crtc_hsync_end - mode->crtc_hsync_start) / 8;
+ if (!hsync_wid)
+ hsync_wid = 1;
+ hsync_start = mode->crtc_hsync_start - 8;
+
+ crtc_h_sync_strt_wid = ((hsync_start & 0x1fff)
+ | ((hsync_wid & 0x3f) << 16)
+ | ((mode->flags & DRM_MODE_FLAG_NHSYNC)
+ ? RADEON_CRTC_H_SYNC_POL
+ : 0));
+
+ /* This works for double scan mode. */
+ crtc_v_total_disp = (((mode->crtc_vtotal - 1) & 0xffff)
+ | ((mode->crtc_vdisplay - 1) << 16));
+
+ vsync_wid = mode->crtc_vsync_end - mode->crtc_vsync_start;
+ if (!vsync_wid)
+ vsync_wid = 1;
+
+ crtc_v_sync_strt_wid = (((mode->crtc_vsync_start - 1) & 0xfff)
+ | ((vsync_wid & 0x1f) << 16)
+ | ((mode->flags & DRM_MODE_FLAG_NVSYNC)
+ ? RADEON_CRTC_V_SYNC_POL
+ : 0));
+
+ if (radeon_crtc->crtc_id) {
+ uint32_t crtc2_gen_cntl;
+ uint32_t disp2_merge_cntl;
+
+ /* if TV DAC is enabled for another crtc and keep it enabled */
+ crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL) & 0x00718080;
+ crtc2_gen_cntl |= ((format << 8)
+ | RADEON_CRTC2_VSYNC_DIS
+ | RADEON_CRTC2_HSYNC_DIS
+ | RADEON_CRTC2_DISP_DIS
+ | RADEON_CRTC2_DISP_REQ_EN_B
+ | ((mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ ? RADEON_CRTC2_DBL_SCAN_EN
+ : 0)
+ | ((mode->flags & DRM_MODE_FLAG_CSYNC)
+ ? RADEON_CRTC2_CSYNC_EN
+ : 0)
+ | ((mode->flags & DRM_MODE_FLAG_INTERLACE)
+ ? RADEON_CRTC2_INTERLACE_EN
+ : 0));
+
+ /* rs4xx chips seem to like to have the crtc enabled when the timing is set */
+ if ((rdev->family == CHIP_RS400) || (rdev->family == CHIP_RS480))
+ crtc2_gen_cntl |= RADEON_CRTC2_EN;
+
+ disp2_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
+ disp2_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
+
+ WREG32(RADEON_DISP2_MERGE_CNTL, disp2_merge_cntl);
+ WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
+
+ WREG32(RADEON_FP_H2_SYNC_STRT_WID, crtc_h_sync_strt_wid);
+ WREG32(RADEON_FP_V2_SYNC_STRT_WID, crtc_v_sync_strt_wid);
+ } else {
+ uint32_t crtc_gen_cntl;
+ uint32_t crtc_ext_cntl;
+ uint32_t disp_merge_cntl;
+
+ crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL) & 0x00718000;
+ crtc_gen_cntl |= (RADEON_CRTC_EXT_DISP_EN
+ | (format << 8)
+ | RADEON_CRTC_DISP_REQ_EN_B
+ | ((mode->flags & DRM_MODE_FLAG_DBLSCAN)
+ ? RADEON_CRTC_DBL_SCAN_EN
+ : 0)
+ | ((mode->flags & DRM_MODE_FLAG_CSYNC)
+ ? RADEON_CRTC_CSYNC_EN
+ : 0)
+ | ((mode->flags & DRM_MODE_FLAG_INTERLACE)
+ ? RADEON_CRTC_INTERLACE_EN
+ : 0));
+
+ /* rs4xx chips seem to like to have the crtc enabled when the timing is set */
+ if ((rdev->family == CHIP_RS400) || (rdev->family == CHIP_RS480))
+ crtc_gen_cntl |= RADEON_CRTC_EN;
+
+ crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
+ crtc_ext_cntl |= (RADEON_XCRT_CNT_EN |
+ RADEON_CRTC_VSYNC_DIS |
+ RADEON_CRTC_HSYNC_DIS |
+ RADEON_CRTC_DISPLAY_DIS);
+
+ disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
+ disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
+
+ WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
+ WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);
+ WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl);
+ }
+
+ if (is_tv)
+ radeon_legacy_tv_adjust_crtc_reg(encoder, &crtc_h_total_disp,
+ &crtc_h_sync_strt_wid, &crtc_v_total_disp,
+ &crtc_v_sync_strt_wid);
+
+ WREG32(RADEON_CRTC_H_TOTAL_DISP + radeon_crtc->crtc_offset, crtc_h_total_disp);
+ WREG32(RADEON_CRTC_H_SYNC_STRT_WID + radeon_crtc->crtc_offset, crtc_h_sync_strt_wid);
+ WREG32(RADEON_CRTC_V_TOTAL_DISP + radeon_crtc->crtc_offset, crtc_v_total_disp);
+ WREG32(RADEON_CRTC_V_SYNC_STRT_WID + radeon_crtc->crtc_offset, crtc_v_sync_strt_wid);
+
+ return true;
+}
+
+static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
+{
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_encoder *encoder;
+ uint32_t feedback_div = 0;
+ uint32_t frac_fb_div = 0;
+ uint32_t reference_div = 0;
+ uint32_t post_divider = 0;
+ uint32_t freq = 0;
+ uint8_t pll_gain;
+ bool use_bios_divs = false;
+ /* PLL registers */
+ uint32_t pll_ref_div = 0;
+ uint32_t pll_fb_post_div = 0;
+ uint32_t htotal_cntl = 0;
+ bool is_tv = false;
+ struct radeon_pll *pll;
+
+ struct {
+ int divider;
+ int bitvalue;
+ } *post_div, post_divs[] = {
+ /* From RAGE 128 VR/RAGE 128 GL Register
+ * Reference Manual (Technical Reference
+ * Manual P/N RRG-G04100-C Rev. 0.04), page
+ * 3-17 (PLL_DIV_[3:0]).
+ */
+ { 1, 0 }, /* VCLK_SRC */
+ { 2, 1 }, /* VCLK_SRC/2 */
+ { 4, 2 }, /* VCLK_SRC/4 */
+ { 8, 3 }, /* VCLK_SRC/8 */
+ { 3, 4 }, /* VCLK_SRC/3 */
+ { 16, 5 }, /* VCLK_SRC/16 */
+ { 6, 6 }, /* VCLK_SRC/6 */
+ { 12, 7 }, /* VCLK_SRC/12 */
+ { 0, 0 }
+ };
+
+ if (radeon_crtc->crtc_id)
+ pll = &rdev->clock.p2pll;
+ else
+ pll = &rdev->clock.p1pll;
+
+ pll->flags = RADEON_PLL_LEGACY;
+
+ if (mode->clock > 200000) /* range limits??? */
+ pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+ else
+ pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+
+ list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+ if (encoder->crtc == crtc) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+
+ if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
+ is_tv = true;
+ break;
+ }
+
+ if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
+ pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
+ if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) {
+ if (!rdev->is_atom_bios) {
+ struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+ struct radeon_encoder_lvds *lvds = (struct radeon_encoder_lvds *)radeon_encoder->enc_priv;
+ if (lvds) {
+ if (lvds->use_bios_dividers) {
+ pll_ref_div = lvds->panel_ref_divider;
+ pll_fb_post_div = (lvds->panel_fb_divider |
+ (lvds->panel_post_divider << 16));
+ htotal_cntl = 0;
+ use_bios_divs = true;
+ }
+ }
+ }
+ pll->flags |= RADEON_PLL_USE_REF_DIV;
+ }
+ }
+ }
+
+ DRM_DEBUG_KMS("\n");
+
+ if (!use_bios_divs) {
+ radeon_compute_pll_legacy(pll, mode->clock,
+ &freq, &feedback_div, &frac_fb_div,
+ &reference_div, &post_divider);
+
+ for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
+ if (post_div->divider == post_divider)
+ break;
+ }
+
+ if (!post_div->divider)
+ post_div = &post_divs[0];
+
+ DRM_DEBUG_KMS("dc=%u, fd=%d, rd=%d, pd=%d\n",
+ (unsigned)freq,
+ feedback_div,
+ reference_div,
+ post_divider);
+
+ pll_ref_div = reference_div;
+#if defined(__powerpc__) && (0) /* TODO */
+ /* apparently programming this otherwise causes a hang??? */
+ if (info->MacModel == RADEON_MAC_IBOOK)
+ pll_fb_post_div = 0x000600ad;
+ else
+#endif
+ pll_fb_post_div = (feedback_div | (post_div->bitvalue << 16));
+
+ htotal_cntl = mode->htotal & 0x7;
+
+ }
+
+ pll_gain = radeon_compute_pll_gain(pll->reference_freq,
+ pll_ref_div & 0x3ff,
+ pll_fb_post_div & 0x7ff);
+
+ if (radeon_crtc->crtc_id) {
+ uint32_t pixclks_cntl = ((RREG32_PLL(RADEON_PIXCLKS_CNTL) &
+ ~(RADEON_PIX2CLK_SRC_SEL_MASK)) |
+ RADEON_PIX2CLK_SRC_SEL_P2PLLCLK);
+
+ if (is_tv) {
+ radeon_legacy_tv_adjust_pll2(encoder, &htotal_cntl,
+ &pll_ref_div, &pll_fb_post_div,
+ &pixclks_cntl);
+ }
+
+ WREG32_PLL_P(RADEON_PIXCLKS_CNTL,
+ RADEON_PIX2CLK_SRC_SEL_CPUCLK,
+ ~(RADEON_PIX2CLK_SRC_SEL_MASK));
+
+ WREG32_PLL_P(RADEON_P2PLL_CNTL,
+ RADEON_P2PLL_RESET
+ | RADEON_P2PLL_ATOMIC_UPDATE_EN
+ | ((uint32_t)pll_gain << RADEON_P2PLL_PVG_SHIFT),
+ ~(RADEON_P2PLL_RESET
+ | RADEON_P2PLL_ATOMIC_UPDATE_EN
+ | RADEON_P2PLL_PVG_MASK));
+
+ WREG32_PLL_P(RADEON_P2PLL_REF_DIV,
+ pll_ref_div,
+ ~RADEON_P2PLL_REF_DIV_MASK);
+
+ WREG32_PLL_P(RADEON_P2PLL_DIV_0,
+ pll_fb_post_div,
+ ~RADEON_P2PLL_FB0_DIV_MASK);
+
+ WREG32_PLL_P(RADEON_P2PLL_DIV_0,
+ pll_fb_post_div,
+ ~RADEON_P2PLL_POST0_DIV_MASK);
+
+ radeon_pll2_write_update(dev);
+ radeon_pll2_wait_for_read_update_complete(dev);
+
+ WREG32_PLL(RADEON_HTOTAL2_CNTL, htotal_cntl);
+
+ WREG32_PLL_P(RADEON_P2PLL_CNTL,
+ 0,
+ ~(RADEON_P2PLL_RESET
+ | RADEON_P2PLL_SLEEP
+ | RADEON_P2PLL_ATOMIC_UPDATE_EN));
+
+ DRM_DEBUG_KMS("Wrote2: 0x%08x 0x%08x 0x%08x (0x%08x)\n",
+ (unsigned)pll_ref_div,
+ (unsigned)pll_fb_post_div,
+ (unsigned)htotal_cntl,
+ RREG32_PLL(RADEON_P2PLL_CNTL));
+ DRM_DEBUG_KMS("Wrote2: rd=%u, fd=%u, pd=%u\n",
+ (unsigned)pll_ref_div & RADEON_P2PLL_REF_DIV_MASK,
+ (unsigned)pll_fb_post_div & RADEON_P2PLL_FB0_DIV_MASK,
+ (unsigned)((pll_fb_post_div &
+ RADEON_P2PLL_POST0_DIV_MASK) >> 16));
+
+ mdelay(50); /* Let the clock to lock */
+
+ WREG32_PLL_P(RADEON_PIXCLKS_CNTL,
+ RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
+ ~(RADEON_PIX2CLK_SRC_SEL_MASK));
+
+ WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
+ } else {
+ uint32_t pixclks_cntl;
+
+
+ if (is_tv) {
+ pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL);
+ radeon_legacy_tv_adjust_pll1(encoder, &htotal_cntl, &pll_ref_div,
+ &pll_fb_post_div, &pixclks_cntl);
+ }
+
+ if (rdev->flags & RADEON_IS_MOBILITY) {
+ /* A temporal workaround for the occasional blanking on certain laptop panels.
+ This appears to related to the PLL divider registers (fail to lock?).
+ It occurs even when all dividers are the same with their old settings.
+ In this case we really don't need to fiddle with PLL registers.
+ By doing this we can avoid the blanking problem with some panels.
+ */
+ if ((pll_ref_div == (RREG32_PLL(RADEON_PPLL_REF_DIV) & RADEON_PPLL_REF_DIV_MASK)) &&
+ (pll_fb_post_div == (RREG32_PLL(RADEON_PPLL_DIV_3) &
+ (RADEON_PPLL_POST3_DIV_MASK | RADEON_PPLL_FB3_DIV_MASK)))) {
+ WREG32_P(RADEON_CLOCK_CNTL_INDEX,
+ RADEON_PLL_DIV_SEL,
+ ~(RADEON_PLL_DIV_SEL));
+ r100_pll_errata_after_index(rdev);
+ return;
+ }
+ }
+
+ WREG32_PLL_P(RADEON_VCLK_ECP_CNTL,
+ RADEON_VCLK_SRC_SEL_CPUCLK,
+ ~(RADEON_VCLK_SRC_SEL_MASK));
+ WREG32_PLL_P(RADEON_PPLL_CNTL,
+ RADEON_PPLL_RESET
+ | RADEON_PPLL_ATOMIC_UPDATE_EN
+ | RADEON_PPLL_VGA_ATOMIC_UPDATE_EN
+ | ((uint32_t)pll_gain << RADEON_PPLL_PVG_SHIFT),
+ ~(RADEON_PPLL_RESET
+ | RADEON_PPLL_ATOMIC_UPDATE_EN
+ | RADEON_PPLL_VGA_ATOMIC_UPDATE_EN
+ | RADEON_PPLL_PVG_MASK));
+
+ WREG32_P(RADEON_CLOCK_CNTL_INDEX,
+ RADEON_PLL_DIV_SEL,
+ ~(RADEON_PLL_DIV_SEL));
+ r100_pll_errata_after_index(rdev);
+
+ if (ASIC_IS_R300(rdev) ||
+ (rdev->family == CHIP_RS300) ||
+ (rdev->family == CHIP_RS400) ||
+ (rdev->family == CHIP_RS480)) {
+ if (pll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
+ /* When restoring console mode, use saved PPLL_REF_DIV
+ * setting.
+ */
+ WREG32_PLL_P(RADEON_PPLL_REF_DIV,
+ pll_ref_div,
+ 0);
+ } else {
+ /* R300 uses ref_div_acc field as real ref divider */
+ WREG32_PLL_P(RADEON_PPLL_REF_DIV,
+ (pll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
+ ~R300_PPLL_REF_DIV_ACC_MASK);
+ }
+ } else
+ WREG32_PLL_P(RADEON_PPLL_REF_DIV,
+ pll_ref_div,
+ ~RADEON_PPLL_REF_DIV_MASK);
+
+ WREG32_PLL_P(RADEON_PPLL_DIV_3,
+ pll_fb_post_div,
+ ~RADEON_PPLL_FB3_DIV_MASK);
+
+ WREG32_PLL_P(RADEON_PPLL_DIV_3,
+ pll_fb_post_div,
+ ~RADEON_PPLL_POST3_DIV_MASK);
+
+ radeon_pll_write_update(dev);
+ radeon_pll_wait_for_read_update_complete(dev);
+
+ WREG32_PLL(RADEON_HTOTAL_CNTL, htotal_cntl);
+
+ WREG32_PLL_P(RADEON_PPLL_CNTL,
+ 0,
+ ~(RADEON_PPLL_RESET
+ | RADEON_PPLL_SLEEP
+ | RADEON_PPLL_ATOMIC_UPDATE_EN
+ | RADEON_PPLL_VGA_ATOMIC_UPDATE_EN));
+
+ DRM_DEBUG_KMS("Wrote: 0x%08x 0x%08x 0x%08x (0x%08x)\n",
+ pll_ref_div,
+ pll_fb_post_div,
+ (unsigned)htotal_cntl,
+ RREG32_PLL(RADEON_PPLL_CNTL));
+ DRM_DEBUG_KMS("Wrote: rd=%d, fd=%d, pd=%d\n",
+ pll_ref_div & RADEON_PPLL_REF_DIV_MASK,
+ pll_fb_post_div & RADEON_PPLL_FB3_DIV_MASK,
+ (pll_fb_post_div & RADEON_PPLL_POST3_DIV_MASK) >> 16);
+
+ mdelay(50); /* Let the clock to lock */
+
+ WREG32_PLL_P(RADEON_VCLK_ECP_CNTL,
+ RADEON_VCLK_SRC_SEL_PPLLCLK,
+ ~(RADEON_VCLK_SRC_SEL_MASK));
+
+ if (is_tv)
+ WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl);
+ }
+}
+
+static bool radeon_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
+ return false;
+ return true;
+}
+
+static int radeon_crtc_mode_set(struct drm_crtc *crtc,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode,
+ int x, int y, struct drm_framebuffer *old_fb)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+ /* TODO TV */
+ radeon_crtc_set_base(crtc, x, y, old_fb);
+ radeon_set_crtc_timing(crtc, adjusted_mode);
+ radeon_set_pll(crtc, adjusted_mode);
+ radeon_overscan_setup(crtc, adjusted_mode);
+ if (radeon_crtc->crtc_id == 0) {
+ radeon_legacy_rmx_mode_set(crtc, adjusted_mode);
+ } else {
+ if (radeon_crtc->rmx_type != RMX_OFF) {
+ /* FIXME: only first crtc has rmx what should we
+ * do ?
+ */
+ DRM_ERROR("Mode need scaling but only first crtc can do that.\n");
+ }
+ }
+ radeon_cursor_reset(crtc);
+ return 0;
+}
+
+static void radeon_crtc_prepare(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_crtc *crtci;
+
+ /*
+ * The hardware wedges sometimes if you reconfigure one CRTC
+ * whilst another is running (see fdo bug #24611).
+ */
+ list_for_each_entry(crtci, &dev->mode_config.crtc_list, head)
+ radeon_crtc_dpms(crtci, DRM_MODE_DPMS_OFF);
+}
+
+static void radeon_crtc_commit(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_crtc *crtci;
+
+ /*
+ * Reenable the CRTCs that should be running.
+ */
+ list_for_each_entry(crtci, &dev->mode_config.crtc_list, head) {
+ if (crtci->enabled)
+ radeon_crtc_dpms(crtci, DRM_MODE_DPMS_ON);
+ }
+}
+
+static void radeon_crtc_disable(struct drm_crtc *crtc)
+{
+ radeon_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ if (crtc->primary->fb) {
+ int r;
+ struct radeon_framebuffer *radeon_fb;
+ struct radeon_bo *rbo;
+
+ radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
+ rbo = gem_to_radeon_bo(radeon_fb->obj);
+ r = radeon_bo_reserve(rbo, false);
+ if (unlikely(r))
+ DRM_ERROR("failed to reserve rbo before unpin\n");
+ else {
+ radeon_bo_unpin(rbo);
+ radeon_bo_unreserve(rbo);
+ }
+ }
+}
+
+static const struct drm_crtc_helper_funcs legacy_helper_funcs = {
+ .dpms = radeon_crtc_dpms,
+ .mode_fixup = radeon_crtc_mode_fixup,
+ .mode_set = radeon_crtc_mode_set,
+ .mode_set_base = radeon_crtc_set_base,
+ .mode_set_base_atomic = radeon_crtc_set_base_atomic,
+ .prepare = radeon_crtc_prepare,
+ .commit = radeon_crtc_commit,
+ .load_lut = radeon_crtc_load_lut,
+ .disable = radeon_crtc_disable
+};
+
+
+void radeon_legacy_init_crtc(struct drm_device *dev,
+ struct radeon_crtc *radeon_crtc)
+{
+ if (radeon_crtc->crtc_id == 1)
+ radeon_crtc->crtc_offset = RADEON_CRTC2_H_TOTAL_DISP - RADEON_CRTC_H_TOTAL_DISP;
+ drm_crtc_helper_add(&radeon_crtc->base, &legacy_helper_funcs);
+}
Code Review / kvmfornfv.git / blobdiff