--- /dev/null
+/*
+ * Copyright (c) 2014 The Linux Foundation. All rights reserved.
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mdp5_kms.h"
+
+struct mdp5_plane {
+ struct drm_plane base;
+ const char *name;
+
+ enum mdp5_pipe pipe;
+
+ spinlock_t pipe_lock; /* protect REG_MDP5_PIPE_* registers */
+ uint32_t reg_offset;
+
+ uint32_t flush_mask; /* used to commit pipe registers */
+
+ uint32_t nformats;
+ uint32_t formats[32];
+
+ bool enabled;
+};
+#define to_mdp5_plane(x) container_of(x, struct mdp5_plane, base)
+
+static int mdp5_plane_mode_set(struct drm_plane *plane,
+ struct drm_crtc *crtc, struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h);
+static void set_scanout_locked(struct drm_plane *plane,
+ struct drm_framebuffer *fb);
+
+static struct mdp5_kms *get_kms(struct drm_plane *plane)
+{
+ struct msm_drm_private *priv = plane->dev->dev_private;
+ return to_mdp5_kms(to_mdp_kms(priv->kms));
+}
+
+static bool plane_enabled(struct drm_plane_state *state)
+{
+ return state->fb && state->crtc;
+}
+
+static int mdp5_plane_disable(struct drm_plane *plane)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct mdp5_kms *mdp5_kms = get_kms(plane);
+ enum mdp5_pipe pipe = mdp5_plane->pipe;
+
+ DBG("%s: disable", mdp5_plane->name);
+
+ if (mdp5_kms) {
+ /* Release the memory we requested earlier from the SMP: */
+ mdp5_smp_release(mdp5_kms->smp, pipe);
+ }
+
+ return 0;
+}
+
+static void mdp5_plane_destroy(struct drm_plane *plane)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+
+ drm_plane_helper_disable(plane);
+ drm_plane_cleanup(plane);
+
+ kfree(mdp5_plane);
+}
+
+/* helper to install properties which are common to planes and crtcs */
+void mdp5_plane_install_properties(struct drm_plane *plane,
+ struct drm_mode_object *obj)
+{
+ // XXX
+}
+
+int mdp5_plane_set_property(struct drm_plane *plane,
+ struct drm_property *property, uint64_t val)
+{
+ // XXX
+ return -EINVAL;
+}
+
+static void mdp5_plane_reset(struct drm_plane *plane)
+{
+ struct mdp5_plane_state *mdp5_state;
+
+ if (plane->state && plane->state->fb)
+ drm_framebuffer_unreference(plane->state->fb);
+
+ kfree(to_mdp5_plane_state(plane->state));
+ mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
+
+ if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
+ mdp5_state->zpos = 0;
+ } else {
+ mdp5_state->zpos = 1 + drm_plane_index(plane);
+ }
+ mdp5_state->base.plane = plane;
+
+ plane->state = &mdp5_state->base;
+}
+
+static struct drm_plane_state *
+mdp5_plane_duplicate_state(struct drm_plane *plane)
+{
+ struct mdp5_plane_state *mdp5_state;
+
+ if (WARN_ON(!plane->state))
+ return NULL;
+
+ mdp5_state = kmemdup(to_mdp5_plane_state(plane->state),
+ sizeof(*mdp5_state), GFP_KERNEL);
+
+ if (mdp5_state && mdp5_state->base.fb)
+ drm_framebuffer_reference(mdp5_state->base.fb);
+
+ mdp5_state->mode_changed = false;
+ mdp5_state->pending = false;
+
+ return &mdp5_state->base;
+}
+
+static void mdp5_plane_destroy_state(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ if (state->fb)
+ drm_framebuffer_unreference(state->fb);
+
+ kfree(to_mdp5_plane_state(state));
+}
+
+static const struct drm_plane_funcs mdp5_plane_funcs = {
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
+ .destroy = mdp5_plane_destroy,
+ .set_property = mdp5_plane_set_property,
+ .reset = mdp5_plane_reset,
+ .atomic_duplicate_state = mdp5_plane_duplicate_state,
+ .atomic_destroy_state = mdp5_plane_destroy_state,
+};
+
+static int mdp5_plane_prepare_fb(struct drm_plane *plane,
+ struct drm_framebuffer *fb,
+ const struct drm_plane_state *new_state)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct mdp5_kms *mdp5_kms = get_kms(plane);
+
+ DBG("%s: prepare: FB[%u]", mdp5_plane->name, fb->base.id);
+ return msm_framebuffer_prepare(fb, mdp5_kms->id);
+}
+
+static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
+ struct drm_framebuffer *fb,
+ const struct drm_plane_state *old_state)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct mdp5_kms *mdp5_kms = get_kms(plane);
+
+ DBG("%s: cleanup: FB[%u]", mdp5_plane->name, fb->base.id);
+ msm_framebuffer_cleanup(fb, mdp5_kms->id);
+}
+
+static int mdp5_plane_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct drm_plane_state *old_state = plane->state;
+
+ DBG("%s: check (%d -> %d)", mdp5_plane->name,
+ plane_enabled(old_state), plane_enabled(state));
+
+ if (plane_enabled(state) && plane_enabled(old_state)) {
+ /* we cannot change SMP block configuration during scanout: */
+ bool full_modeset = false;
+ if (state->fb->pixel_format != old_state->fb->pixel_format) {
+ DBG("%s: pixel_format change!", mdp5_plane->name);
+ full_modeset = true;
+ }
+ if (state->src_w != old_state->src_w) {
+ DBG("%s: src_w change!", mdp5_plane->name);
+ full_modeset = true;
+ }
+ if (to_mdp5_plane_state(old_state)->pending) {
+ DBG("%s: still pending!", mdp5_plane->name);
+ full_modeset = true;
+ }
+ if (full_modeset) {
+ struct drm_crtc_state *crtc_state =
+ drm_atomic_get_crtc_state(state->state, state->crtc);
+ crtc_state->mode_changed = true;
+ to_mdp5_plane_state(state)->mode_changed = true;
+ }
+ } else {
+ to_mdp5_plane_state(state)->mode_changed = true;
+ }
+
+ return 0;
+}
+
+static void mdp5_plane_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct drm_plane_state *state = plane->state;
+
+ DBG("%s: update", mdp5_plane->name);
+
+ if (!plane_enabled(state)) {
+ to_mdp5_plane_state(state)->pending = true;
+ mdp5_plane_disable(plane);
+ } else if (to_mdp5_plane_state(state)->mode_changed) {
+ int ret;
+ to_mdp5_plane_state(state)->pending = true;
+ ret = mdp5_plane_mode_set(plane,
+ state->crtc, state->fb,
+ state->crtc_x, state->crtc_y,
+ state->crtc_w, state->crtc_h,
+ state->src_x, state->src_y,
+ state->src_w, state->src_h);
+ /* atomic_check should have ensured that this doesn't fail */
+ WARN_ON(ret < 0);
+ } else {
+ unsigned long flags;
+ spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
+ set_scanout_locked(plane, state->fb);
+ spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
+ }
+}
+
+static const struct drm_plane_helper_funcs mdp5_plane_helper_funcs = {
+ .prepare_fb = mdp5_plane_prepare_fb,
+ .cleanup_fb = mdp5_plane_cleanup_fb,
+ .atomic_check = mdp5_plane_atomic_check,
+ .atomic_update = mdp5_plane_atomic_update,
+};
+
+static void set_scanout_locked(struct drm_plane *plane,
+ struct drm_framebuffer *fb)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct mdp5_kms *mdp5_kms = get_kms(plane);
+ enum mdp5_pipe pipe = mdp5_plane->pipe;
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_A(pipe),
+ MDP5_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
+ MDP5_PIPE_SRC_STRIDE_A_P1(fb->pitches[1]));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_STRIDE_B(pipe),
+ MDP5_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
+ MDP5_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC0_ADDR(pipe),
+ msm_framebuffer_iova(fb, mdp5_kms->id, 0));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC1_ADDR(pipe),
+ msm_framebuffer_iova(fb, mdp5_kms->id, 1));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC2_ADDR(pipe),
+ msm_framebuffer_iova(fb, mdp5_kms->id, 2));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC3_ADDR(pipe),
+ msm_framebuffer_iova(fb, mdp5_kms->id, 3));
+
+ plane->fb = fb;
+}
+
+/* Note: mdp5_plane->pipe_lock must be locked */
+static void csc_disable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe)
+{
+ uint32_t value = mdp5_read(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe)) &
+ ~MDP5_PIPE_OP_MODE_CSC_1_EN;
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), value);
+}
+
+/* Note: mdp5_plane->pipe_lock must be locked */
+static void csc_enable(struct mdp5_kms *mdp5_kms, enum mdp5_pipe pipe,
+ struct csc_cfg *csc)
+{
+ uint32_t i, mode = 0; /* RGB, no CSC */
+ uint32_t *matrix;
+
+ if (unlikely(!csc))
+ return;
+
+ if ((csc->type == CSC_YUV2RGB) || (CSC_YUV2YUV == csc->type))
+ mode |= MDP5_PIPE_OP_MODE_CSC_SRC_DATA_FORMAT(DATA_FORMAT_YUV);
+ if ((csc->type == CSC_RGB2YUV) || (CSC_YUV2YUV == csc->type))
+ mode |= MDP5_PIPE_OP_MODE_CSC_DST_DATA_FORMAT(DATA_FORMAT_YUV);
+ mode |= MDP5_PIPE_OP_MODE_CSC_1_EN;
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_OP_MODE(pipe), mode);
+
+ matrix = csc->matrix;
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_0(pipe),
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_11(matrix[0]) |
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_0_COEFF_12(matrix[1]));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_1(pipe),
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_13(matrix[2]) |
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_1_COEFF_21(matrix[3]));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_2(pipe),
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_22(matrix[4]) |
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_2_COEFF_23(matrix[5]));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_3(pipe),
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_31(matrix[6]) |
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_3_COEFF_32(matrix[7]));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_MATRIX_COEFF_4(pipe),
+ MDP5_PIPE_CSC_1_MATRIX_COEFF_4_COEFF_33(matrix[8]));
+
+ for (i = 0; i < ARRAY_SIZE(csc->pre_bias); i++) {
+ uint32_t *pre_clamp = csc->pre_clamp;
+ uint32_t *post_clamp = csc->post_clamp;
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_CLAMP(pipe, i),
+ MDP5_PIPE_CSC_1_PRE_CLAMP_REG_HIGH(pre_clamp[2*i+1]) |
+ MDP5_PIPE_CSC_1_PRE_CLAMP_REG_LOW(pre_clamp[2*i]));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_CLAMP(pipe, i),
+ MDP5_PIPE_CSC_1_POST_CLAMP_REG_HIGH(post_clamp[2*i+1]) |
+ MDP5_PIPE_CSC_1_POST_CLAMP_REG_LOW(post_clamp[2*i]));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_PRE_BIAS(pipe, i),
+ MDP5_PIPE_CSC_1_PRE_BIAS_REG_VALUE(csc->pre_bias[i]));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_CSC_1_POST_BIAS(pipe, i),
+ MDP5_PIPE_CSC_1_POST_BIAS_REG_VALUE(csc->post_bias[i]));
+ }
+}
+
+#define PHASE_STEP_SHIFT 21
+#define DOWN_SCALE_RATIO_MAX 32 /* 2^(26-21) */
+
+static int calc_phase_step(uint32_t src, uint32_t dst, uint32_t *out_phase)
+{
+ uint32_t unit;
+
+ if (src == 0 || dst == 0)
+ return -EINVAL;
+
+ /*
+ * PHASE_STEP_X/Y is coded on 26 bits (25:0),
+ * where 2^21 represents the unity "1" in fixed-point hardware design.
+ * This leaves 5 bits for the integer part (downscale case):
+ * -> maximum downscale ratio = 0b1_1111 = 31
+ */
+ if (src > (dst * DOWN_SCALE_RATIO_MAX))
+ return -EOVERFLOW;
+
+ unit = 1 << PHASE_STEP_SHIFT;
+ *out_phase = mult_frac(unit, src, dst);
+
+ return 0;
+}
+
+static int calc_scalex_steps(uint32_t pixel_format, uint32_t src, uint32_t dest,
+ uint32_t phasex_steps[2])
+{
+ uint32_t phasex_step;
+ unsigned int hsub;
+ int ret;
+
+ ret = calc_phase_step(src, dest, &phasex_step);
+ if (ret)
+ return ret;
+
+ hsub = drm_format_horz_chroma_subsampling(pixel_format);
+
+ phasex_steps[0] = phasex_step;
+ phasex_steps[1] = phasex_step / hsub;
+
+ return 0;
+}
+
+static int calc_scaley_steps(uint32_t pixel_format, uint32_t src, uint32_t dest,
+ uint32_t phasey_steps[2])
+{
+ uint32_t phasey_step;
+ unsigned int vsub;
+ int ret;
+
+ ret = calc_phase_step(src, dest, &phasey_step);
+ if (ret)
+ return ret;
+
+ vsub = drm_format_vert_chroma_subsampling(pixel_format);
+
+ phasey_steps[0] = phasey_step;
+ phasey_steps[1] = phasey_step / vsub;
+
+ return 0;
+}
+
+static uint32_t get_scalex_config(uint32_t src, uint32_t dest)
+{
+ uint32_t filter;
+
+ filter = (src <= dest) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
+
+ return MDP5_PIPE_SCALE_CONFIG_SCALEX_EN |
+ MDP5_PIPE_SCALE_CONFIG_SCALEX_MIN_FILTER(filter) |
+ MDP5_PIPE_SCALE_CONFIG_SCALEX_CR_FILTER(filter) |
+ MDP5_PIPE_SCALE_CONFIG_SCALEX_MAX_FILTER(filter);
+}
+
+static uint32_t get_scaley_config(uint32_t src, uint32_t dest)
+{
+ uint32_t filter;
+
+ filter = (src <= dest) ? SCALE_FILTER_BIL : SCALE_FILTER_PCMN;
+
+ return MDP5_PIPE_SCALE_CONFIG_SCALEY_EN |
+ MDP5_PIPE_SCALE_CONFIG_SCALEY_MIN_FILTER(filter) |
+ MDP5_PIPE_SCALE_CONFIG_SCALEY_CR_FILTER(filter) |
+ MDP5_PIPE_SCALE_CONFIG_SCALEY_MAX_FILTER(filter);
+}
+
+static int mdp5_plane_mode_set(struct drm_plane *plane,
+ struct drm_crtc *crtc, struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ struct mdp5_kms *mdp5_kms = get_kms(plane);
+ struct device *dev = mdp5_kms->dev->dev;
+ enum mdp5_pipe pipe = mdp5_plane->pipe;
+ const struct mdp_format *format;
+ uint32_t nplanes, config = 0;
+ /* below array -> index 0: comp 0/3 ; index 1: comp 1/2 */
+ uint32_t phasex_step[2] = {0,}, phasey_step[2] = {0,};
+ uint32_t hdecm = 0, vdecm = 0;
+ uint32_t pix_format;
+ unsigned long flags;
+ int ret;
+
+ nplanes = drm_format_num_planes(fb->pixel_format);
+
+ /* bad formats should already be rejected: */
+ if (WARN_ON(nplanes > pipe2nclients(pipe)))
+ return -EINVAL;
+
+ format = to_mdp_format(msm_framebuffer_format(fb));
+ pix_format = format->base.pixel_format;
+
+ /* src values are in Q16 fixed point, convert to integer: */
+ src_x = src_x >> 16;
+ src_y = src_y >> 16;
+ src_w = src_w >> 16;
+ src_h = src_h >> 16;
+
+ DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp5_plane->name,
+ fb->base.id, src_x, src_y, src_w, src_h,
+ crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h);
+
+ /* Request some memory from the SMP: */
+ ret = mdp5_smp_request(mdp5_kms->smp,
+ mdp5_plane->pipe, fb->pixel_format, src_w);
+ if (ret)
+ return ret;
+
+ /*
+ * Currently we update the hw for allocations/requests immediately,
+ * but once atomic modeset/pageflip is in place, the allocation
+ * would move into atomic->check_plane_state(), while updating the
+ * hw would remain here:
+ */
+ mdp5_smp_configure(mdp5_kms->smp, pipe);
+
+ /* SCALE is used to both scale and up-sample chroma components */
+
+ if ((src_w != crtc_w) || MDP_FORMAT_IS_YUV(format)) {
+ /* TODO calc hdecm */
+ ret = calc_scalex_steps(pix_format, src_w, crtc_w, phasex_step);
+ if (ret) {
+ dev_err(dev, "X scaling (%d -> %d) failed: %d\n",
+ src_w, crtc_w, ret);
+ return ret;
+ }
+ config |= get_scalex_config(src_w, crtc_w);
+ }
+
+ if ((src_h != crtc_h) || MDP_FORMAT_IS_YUV(format)) {
+ /* TODO calc vdecm */
+ ret = calc_scaley_steps(pix_format, src_h, crtc_h, phasey_step);
+ if (ret) {
+ dev_err(dev, "Y scaling (%d -> %d) failed: %d\n",
+ src_h, crtc_h, ret);
+ return ret;
+ }
+ config |= get_scaley_config(src_h, crtc_h);
+ }
+
+ spin_lock_irqsave(&mdp5_plane->pipe_lock, flags);
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_IMG_SIZE(pipe),
+ MDP5_PIPE_SRC_IMG_SIZE_WIDTH(fb->width) |
+ MDP5_PIPE_SRC_IMG_SIZE_HEIGHT(fb->height));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_SIZE(pipe),
+ MDP5_PIPE_SRC_SIZE_WIDTH(src_w) |
+ MDP5_PIPE_SRC_SIZE_HEIGHT(src_h));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_XY(pipe),
+ MDP5_PIPE_SRC_XY_X(src_x) |
+ MDP5_PIPE_SRC_XY_Y(src_y));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_SIZE(pipe),
+ MDP5_PIPE_OUT_SIZE_WIDTH(crtc_w) |
+ MDP5_PIPE_OUT_SIZE_HEIGHT(crtc_h));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_OUT_XY(pipe),
+ MDP5_PIPE_OUT_XY_X(crtc_x) |
+ MDP5_PIPE_OUT_XY_Y(crtc_y));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_FORMAT(pipe),
+ MDP5_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) |
+ MDP5_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) |
+ MDP5_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) |
+ MDP5_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) |
+ COND(format->alpha_enable, MDP5_PIPE_SRC_FORMAT_ALPHA_ENABLE) |
+ MDP5_PIPE_SRC_FORMAT_CPP(format->cpp - 1) |
+ MDP5_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) |
+ COND(format->unpack_tight, MDP5_PIPE_SRC_FORMAT_UNPACK_TIGHT) |
+ MDP5_PIPE_SRC_FORMAT_NUM_PLANES(format->fetch_type) |
+ MDP5_PIPE_SRC_FORMAT_CHROMA_SAMP(format->chroma_sample));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_UNPACK(pipe),
+ MDP5_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) |
+ MDP5_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) |
+ MDP5_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) |
+ MDP5_PIPE_SRC_UNPACK_ELEM3(format->unpack[3]));
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_OP_MODE(pipe),
+ MDP5_PIPE_SRC_OP_MODE_BWC(BWC_LOSSLESS));
+
+ /* not using secure mode: */
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SRC_ADDR_SW_STATUS(pipe), 0);
+
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_X(pipe),
+ phasex_step[0]);
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_PHASE_STEP_Y(pipe),
+ phasey_step[0]);
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_X(pipe),
+ phasex_step[1]);
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CR_PHASE_STEP_Y(pipe),
+ phasey_step[1]);
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_DECIMATION(pipe),
+ MDP5_PIPE_DECIMATION_VERT(vdecm) |
+ MDP5_PIPE_DECIMATION_HORZ(hdecm));
+ mdp5_write(mdp5_kms, REG_MDP5_PIPE_SCALE_CONFIG(pipe), config);
+
+ if (MDP_FORMAT_IS_YUV(format))
+ csc_enable(mdp5_kms, pipe,
+ mdp_get_default_csc_cfg(CSC_YUV2RGB));
+ else
+ csc_disable(mdp5_kms, pipe);
+
+ set_scanout_locked(plane, fb);
+
+ spin_unlock_irqrestore(&mdp5_plane->pipe_lock, flags);
+
+ return ret;
+}
+
+void mdp5_plane_complete_flip(struct drm_plane *plane)
+{
+ struct mdp5_kms *mdp5_kms = get_kms(plane);
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ enum mdp5_pipe pipe = mdp5_plane->pipe;
+
+ DBG("%s: complete flip", mdp5_plane->name);
+
+ mdp5_smp_commit(mdp5_kms->smp, pipe);
+
+ to_mdp5_plane_state(plane->state)->pending = false;
+}
+
+enum mdp5_pipe mdp5_plane_pipe(struct drm_plane *plane)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+ return mdp5_plane->pipe;
+}
+
+uint32_t mdp5_plane_get_flush(struct drm_plane *plane)
+{
+ struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
+
+ return mdp5_plane->flush_mask;
+}
+
+/* initialize plane */
+struct drm_plane *mdp5_plane_init(struct drm_device *dev,
+ enum mdp5_pipe pipe, bool private_plane, uint32_t reg_offset)
+{
+ struct drm_plane *plane = NULL;
+ struct mdp5_plane *mdp5_plane;
+ int ret;
+ enum drm_plane_type type;
+
+ mdp5_plane = kzalloc(sizeof(*mdp5_plane), GFP_KERNEL);
+ if (!mdp5_plane) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ plane = &mdp5_plane->base;
+
+ mdp5_plane->pipe = pipe;
+ mdp5_plane->name = pipe2name(pipe);
+
+ mdp5_plane->nformats = mdp5_get_formats(pipe, mdp5_plane->formats,
+ ARRAY_SIZE(mdp5_plane->formats));
+
+ mdp5_plane->flush_mask = mdp_ctl_flush_mask_pipe(pipe);
+ mdp5_plane->reg_offset = reg_offset;
+ spin_lock_init(&mdp5_plane->pipe_lock);
+
+ type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
+ ret = drm_universal_plane_init(dev, plane, 0xff, &mdp5_plane_funcs,
+ mdp5_plane->formats, mdp5_plane->nformats,
+ type);
+ if (ret)
+ goto fail;
+
+ drm_plane_helper_add(plane, &mdp5_plane_helper_funcs);
+
+ mdp5_plane_install_properties(plane, &plane->base);
+
+ return plane;
+
+fail:
+ if (plane)
+ mdp5_plane_destroy(plane);
+
+ return ERR_PTR(ret);
+}
Code Review / kvmfornfv.git / blobdiff