[RFC PATCH 3/3] drm/msm/dpu: Use color_fill property for DPU planes
Jessica Zhang
quic_jesszhan at quicinc.com
Fri Oct 28 22:59:52 UTC 2022
Initialize and use the color_fill properties for planes in DPU driver. In
addition, relax framebuffer requirements within atomic commit path and
add checks for NULL framebuffers.
Signed-off-by: Jessica Zhang <quic_jesszhan at quicinc.com>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 7 ++-
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 66 ++++++++++++++---------
2 files changed, 48 insertions(+), 25 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index 13ce321283ff..157698b4f234 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -441,7 +441,12 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
sspp_idx - SSPP_VIG0,
state->fb ? state->fb->base.id : -1);
- format = to_dpu_format(msm_framebuffer_format(pstate->base.fb));
+ if (pstate->base.fb)
+ format = to_dpu_format(msm_framebuffer_format(pstate->base.fb));
+ else if (state->color_fill && !state->color_fill_format)
+ format = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
+ else
+ format = dpu_get_dpu_format(state->color_fill_format);
if (pstate->stage == DPU_STAGE_BASE && format->alpha_enable)
bg_alpha_enable = true;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index 658005f609f4..f3be37e97b64 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -103,7 +103,6 @@ struct dpu_plane {
enum dpu_sspp pipe;
struct dpu_hw_pipe *pipe_hw;
- uint32_t color_fill;
bool is_error;
bool is_rt_pipe;
const struct dpu_mdss_cfg *catalog;
@@ -697,7 +696,10 @@ static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
* select fill format to match user property expectation,
* h/w only supports RGB variants
*/
- fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
+ if (plane->state->color_fill && !plane->state->color_fill_format)
+ fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
+ else
+ fmt = dpu_get_dpu_format(plane->state->color_fill_format);
/* update sspp */
if (fmt && pdpu->pipe_hw->ops.setup_solidfill) {
@@ -720,6 +722,10 @@ static int _dpu_plane_color_fill(struct dpu_plane *pdpu,
fmt, DPU_SSPP_SOLID_FILL,
pstate->multirect_index);
+ /* skip remaining processing on color fill */
+ if (!plane->state->fb)
+ return 0;
+
if (pdpu->pipe_hw->ops.setup_rects)
pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
&pipe_cfg,
@@ -999,12 +1005,21 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
dst = drm_plane_state_dest(new_plane_state);
- fb_rect.x2 = new_plane_state->fb->width;
- fb_rect.y2 = new_plane_state->fb->height;
+ if (new_plane_state->fb) {
+ fb_rect.x2 = new_plane_state->fb->width;
+ fb_rect.y2 = new_plane_state->fb->height;
+ }
max_linewidth = pdpu->catalog->caps->max_linewidth;
- fmt = to_dpu_format(msm_framebuffer_format(new_plane_state->fb));
+ if (new_plane_state->fb) {
+ fmt = to_dpu_format(msm_framebuffer_format(new_plane_state->fb));
+ } else if (new_plane_state->color_fill) {
+ if (new_plane_state->color_fill_format)
+ fmt = dpu_get_dpu_format(new_plane_state->color_fill_format);
+ else
+ fmt = dpu_get_dpu_format(DRM_FORMAT_ABGR8888);
+ }
min_src_size = DPU_FORMAT_IS_YUV(fmt) ? 2 : 1;
@@ -1016,7 +1031,7 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
/* check src bounds */
- } else if (!dpu_plane_validate_src(&src, &fb_rect, min_src_size)) {
+ } else if (new_plane_state->fb && !dpu_plane_validate_src(&src, &fb_rect, min_src_size)) {
DPU_DEBUG_PLANE(pdpu, "invalid source " DRM_RECT_FMT "\n",
DRM_RECT_ARG(&src));
return -E2BIG;
@@ -1084,9 +1099,9 @@ void dpu_plane_flush(struct drm_plane *plane)
if (pdpu->is_error)
/* force white frame with 100% alpha pipe output on error */
_dpu_plane_color_fill(pdpu, 0xFFFFFF, 0xFF);
- else if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG)
+ else if (!(plane->state->fb) && plane->state->color_fill)
/* force 100% alpha */
- _dpu_plane_color_fill(pdpu, pdpu->color_fill, 0xFF);
+ _dpu_plane_color_fill(pdpu, plane->state->color_fill, 0xFF);
else if (pdpu->pipe_hw && pdpu->pipe_hw->ops.setup_csc) {
const struct dpu_format *fmt = to_dpu_format(msm_framebuffer_format(plane->state->fb));
const struct dpu_csc_cfg *csc_ptr = _dpu_plane_get_csc(pdpu, fmt);
@@ -1125,23 +1140,30 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
struct drm_crtc *crtc = state->crtc;
struct drm_framebuffer *fb = state->fb;
bool is_rt_pipe, update_qos_remap;
- const struct dpu_format *fmt =
- to_dpu_format(msm_framebuffer_format(fb));
+ const struct dpu_format *fmt;
struct dpu_hw_pipe_cfg pipe_cfg;
- memset(&pipe_cfg, 0, sizeof(struct dpu_hw_pipe_cfg));
-
- _dpu_plane_set_scanout(plane, pstate, &pipe_cfg, fb);
-
pstate->pending = true;
is_rt_pipe = (dpu_crtc_get_client_type(crtc) != NRT_CLIENT);
_dpu_plane_set_qos_ctrl(plane, false, DPU_PLANE_QOS_PANIC_CTRL);
- DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
- ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
- crtc->base.id, DRM_RECT_ARG(&state->dst),
- (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
+ /* override for color fill */
+ if (!fb && plane->state->color_fill) {
+ /* skip remaining processing on color fill */
+ return;
+ }
+
+ memset(&pipe_cfg, 0, sizeof(struct dpu_hw_pipe_cfg));
+
+ fmt = to_dpu_format(msm_framebuffer_format(fb));
+ _dpu_plane_set_scanout(plane, pstate, &pipe_cfg, fb);
+
+ if (fb)
+ DPU_DEBUG_PLANE(pdpu, "FB[%u] " DRM_RECT_FP_FMT "->crtc%u " DRM_RECT_FMT
+ ", %4.4s ubwc %d\n", fb->base.id, DRM_RECT_FP_ARG(&state->src),
+ crtc->base.id, DRM_RECT_ARG(&state->dst),
+ (char *)&fmt->base.pixel_format, DPU_FORMAT_IS_UBWC(fmt));
pipe_cfg.src_rect = state->src;
@@ -1153,12 +1175,6 @@ static void dpu_plane_sspp_atomic_update(struct drm_plane *plane)
pipe_cfg.dst_rect = state->dst;
- /* override for color fill */
- if (pdpu->color_fill & DPU_PLANE_COLOR_FILL_FLAG) {
- /* skip remaining processing on color fill */
- return;
- }
-
if (pdpu->pipe_hw->ops.setup_rects) {
pdpu->pipe_hw->ops.setup_rects(pdpu->pipe_hw,
&pipe_cfg,
@@ -1509,6 +1525,8 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
DPU_ERROR("failed to install zpos property, rc = %d\n", ret);
drm_plane_create_alpha_property(plane);
+ drm_plane_create_color_fill_property(plane);
+ drm_plane_create_color_fill_format_property(plane);
drm_plane_create_blend_mode_property(plane,
BIT(DRM_MODE_BLEND_PIXEL_NONE) |
BIT(DRM_MODE_BLEND_PREMULTI) |
--
2.38.0
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