+ const struct msm_format *fmt,
+ uint32_t max_linewidth)
+{
+ struct dpu_sw_pipe *pipe = &pstate->pipe;
+ struct dpu_sw_pipe *r_pipe = &pstate->r_pipe;
+ struct dpu_sw_pipe_cfg *pipe_cfg = &pstate->pipe_cfg;
+ struct dpu_sw_pipe *prev_pipe = &prev_adjancent_pstate->pipe;
+ struct dpu_sw_pipe_cfg *prev_pipe_cfg =
&prev_adjancent_pstate->pipe_cfg;
+ const struct msm_format *prev_fmt =
msm_framebuffer_format(prev_adjancent_pstate->base.fb);
+ u16 max_tile_height = 1;
+
+ if (prev_adjancent_pstate->r_pipe.sspp != NULL ||
+ prev_pipe->multirect_mode != DPU_SSPP_MULTIRECT_NONE)
+ return false;
+
+ if (!dpu_plane_is_multirect_capable(pipe->sspp, pipe_cfg, fmt) ||
+ !dpu_plane_is_multirect_capable(prev_pipe->sspp, prev_pipe_cfg,
prev_fmt))
+ return false;
+
+ if (MSM_FORMAT_IS_UBWC(fmt))
+ max_tile_height = max(max_tile_height, fmt->tile_height);
+
+ if (MSM_FORMAT_IS_UBWC(prev_fmt))
+ max_tile_height = max(max_tile_height, prev_fmt->tile_height);
+
+ r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
+ r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+
+ r_pipe->sspp = NULL;
+
+ if (dpu_plane_is_parallel_capable(pipe_cfg, fmt, max_linewidth) &&
+ dpu_plane_is_parallel_capable(prev_pipe_cfg, prev_fmt, max_linewidth)
&&
+ (pipe_cfg->dst_rect.x1 >= prev_pipe_cfg->dst_rect.x2 ||
+ prev_pipe_cfg->dst_rect.x1 >= pipe_cfg->dst_rect.x2)) {
+ pipe->sspp = prev_pipe->sspp;
+
+ pipe->multirect_index = DPU_SSPP_RECT_1;
+ pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
+
+ prev_pipe->multirect_index = DPU_SSPP_RECT_0;
+ prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_PARALLEL;
+
+ return true;
+ }
+
+ if (pipe_cfg->dst_rect.y1 >= prev_pipe_cfg->dst_rect.y2 + 2 *
max_tile_height ||
+ prev_pipe_cfg->dst_rect.y1 >= pipe_cfg->dst_rect.y2 + 2 *
max_tile_height) {
+ pipe->sspp = prev_pipe->sspp;
+
+ pipe->multirect_index = DPU_SSPP_RECT_1;
+ pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
+
+ prev_pipe->multirect_index = DPU_SSPP_RECT_0;
+ prev_pipe->multirect_mode = DPU_SSPP_MULTIRECT_TIME_MX;
+
+ return true;
+ }
+
+ return false;
+}
+
static int dpu_plane_atomic_check(struct drm_plane *plane,
struct drm_atomic_state *state)
{
@@ -1098,13 +1177,14 @@ static int dpu_plane_virtual_atomic_check(struct
drm_plane *plane,
static int dpu_plane_virtual_assign_resources(struct drm_crtc *crtc,
struct dpu_global_state
*global_state,
struct drm_atomic_state *state,
- struct drm_plane_state
*plane_state)
+ struct drm_plane_state
*plane_state,
+ struct drm_plane_state
*prev_adjancent_plane_state)
{
const struct drm_crtc_state *crtc_state = NULL;
struct drm_plane *plane = plane_state->plane;
struct dpu_kms *dpu_kms = _dpu_plane_get_kms(plane);
struct dpu_rm_sspp_requirements reqs;
- struct dpu_plane_state *pstate;
+ struct dpu_plane_state *pstate, *prev_adjancent_pstate;
struct dpu_sw_pipe *pipe;
struct dpu_sw_pipe *r_pipe;
struct dpu_sw_pipe_cfg *pipe_cfg;
@@ -1116,6 +1196,8 @@ static int dpu_plane_virtual_assign_resources(struct
drm_crtc *crtc,
plane_state->crtc);
pstate = to_dpu_plane_state(plane_state);
+ prev_adjancent_pstate = prev_adjancent_plane_state ?
+ to_dpu_plane_state(prev_adjancent_plane_state) : NULL;
pipe = &pstate->pipe;
r_pipe = &pstate->r_pipe;
pipe_cfg = &pstate->pipe_cfg;
@@ -1134,24 +1216,42 @@ static int dpu_plane_virtual_assign_resources(struct
drm_crtc *crtc,
reqs.rot90 = drm_rotation_90_or_270(plane_state->rotation);
- pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc, &reqs);
- if (!pipe->sspp)
- return -ENODEV;
+ if (drm_rect_width(&r_pipe_cfg->src_rect) == 0) {
+ if (!prev_adjancent_pstate ||
+ !dpu_plane_try_multirect_shared(pstate,
prev_adjancent_pstate, fmt,
+
dpu_kms->catalog->caps->max_linewidth)) {
+ pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm,
global_state, crtc, &reqs);
+ if (!pipe->sspp)
+ return -ENODEV;
- if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe, r_pipe_cfg,
- pipe->sspp,
-
msm_framebuffer_format(plane_state->fb),
-
dpu_kms->catalog->caps->max_linewidth)) {
- /* multirect is not possible, use two SSPP blocks */
- r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state,
crtc, &reqs);
- if (!r_pipe->sspp)
+ r_pipe->sspp = NULL;
+
+ pipe->multirect_index = DPU_SSPP_RECT_SOLO;
+ pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+
+ r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
+ r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+ }
+ } else {
+ pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm, global_state, crtc,
&reqs);
+ if (!pipe->sspp)
return -ENODEV;
- pipe->multirect_index = DPU_SSPP_RECT_SOLO;
- pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+ if (!dpu_plane_try_multirect_parallel(pipe, pipe_cfg, r_pipe,
r_pipe_cfg,
+ pipe->sspp,
+
msm_framebuffer_format(plane_state->fb),
+
dpu_kms->catalog->caps->max_linewidth)) {
+ /* multirect is not possible, use two SSPP blocks */
+ r_pipe->sspp = dpu_rm_reserve_sspp(&dpu_kms->rm,
global_state, crtc, &reqs);
+ if (!r_pipe->sspp)
+ return -ENODEV;
- r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
- r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+ pipe->multirect_index = DPU_SSPP_RECT_SOLO;
+ pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+
+ r_pipe->multirect_index = DPU_SSPP_RECT_SOLO;
+ r_pipe->multirect_mode = DPU_SSPP_MULTIRECT_NONE;
+ }
}
return dpu_plane_atomic_check_sspp(plane, state, crtc_state);
@@ -1164,6 +1264,7 @@ int dpu_assign_plane_resources(struct dpu_global_state
*global_state,
unsigned int num_planes)
{
unsigned int i;
+ struct drm_plane_state *prev_adjancent_plane_state = NULL;
for (i = 0; i < num_planes; i++) {
struct drm_plane_state *plane_state = states[i];
@@ -1173,9 +1274,12 @@ int dpu_assign_plane_resources(struct dpu_global_state
*global_state,
continue;
int ret = dpu_plane_virtual_assign_resources(crtc, global_state,
- state, plane_state);
+ state, plane_state,
+
prev_adjancent_plane_state);
if (ret)
- return ret;
+ break;
+
+ prev_adjancent_plane_state = plane_state;
}
return 0;
---
base-commit: 89839e69f6154feecd79bd01171375225b0296e9
change-id: 20241215-dpu-share-sspp-75a566eec185
Best regards,
