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authorBrendan Steve Leder <BrendanSteve.Leder@amd.com>2025-03-14 14:32:31 -0400
committerAlex Deucher <alexander.deucher@amd.com>2025-06-18 12:19:16 -0400
commit428ac7ce7f82d11f072cba6000987826746a017b (patch)
tree03ba9a4e9f1ad067ca5429909ec688c3046ce863
parentf94877038770073b465eece8636e221653d2beae (diff)
drm/amd/display: Add custom segmentation support
[WHY] Add support for uneven segmentation size [HOW] Currently width + x_start is automatically calculated using slice index + dividing stream into equally sized segments. Add override variables for dst_rect width and x Reviewed-by: Samson Tam <samson.tam@amd.com> Signed-off-by: Brendan Steve Leder <BrendanSteve.Leder@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c17
-rw-r--r--drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h2
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
index d5f3bcb68d53..55b929ca7982 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
+++ b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl.c
@@ -196,7 +196,12 @@ static struct spl_rect calculate_mpc_slice_in_timing_active(
int epimo = mpc_slice_count - plane_clip_rec->width % mpc_slice_count - 1;
struct spl_rect mpc_rec;
- if (use_recout_width_aligned) {
+ if (spl_in->basic_in.custom_width != 0) {
+ mpc_rec.width = spl_in->basic_in.custom_width;
+ mpc_rec.x = spl_in->basic_in.custom_x;
+ mpc_rec.height = plane_clip_rec->height;
+ mpc_rec.y = plane_clip_rec->y;
+ } else if (use_recout_width_aligned) {
mpc_rec.width = recout_width_align;
if ((mpc_rec.width * (mpc_slice_idx + 1)) > plane_clip_rec->width) {
mpc_rec.width = plane_clip_rec->width % recout_width_align;
@@ -219,7 +224,7 @@ static struct spl_rect calculate_mpc_slice_in_timing_active(
/* extra pixels in the division remainder need to go to pipes after
* the extra pixel index minus one(epimo) defined here as:
*/
- if (mpc_slice_idx > epimo) {
+ if (mpc_slice_idx > epimo && spl_in->basic_in.custom_width == 0) {
mpc_rec.x += mpc_slice_idx - epimo - 1;
mpc_rec.width += 1;
}
@@ -252,10 +257,10 @@ static struct spl_rect calculate_odm_slice_in_timing_active(struct spl_in *spl_i
odm_rec.x = odm_slice_width * odm_slice_idx;
odm_rec.width = is_last_odm_slice ?
- /* last slice width is the reminder of h_active */
- h_active - odm_slice_width * (odm_slice_count - 1) :
- /* odm slice width is the floor of h_active / count */
- odm_slice_width;
+ /* last slice width is the reminder of h_active */
+ h_active - odm_slice_width * (odm_slice_count - 1) :
+ /* odm slice width is the floor of h_active / count */
+ odm_slice_width;
odm_rec.y = 0;
odm_rec.height = v_active;
diff --git a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
index 36a284305a70..23d254dea18f 100644
--- a/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
+++ b/drivers/gpu/drm/amd/display/dc/sspl/dc_spl_types.h
@@ -460,6 +460,8 @@ struct basic_in {
enum spl_color_space color_space; // Color Space
unsigned int max_luminance; // Max Luminance TODO: Is determined in dc_hw_sequencer.c is_sdr
bool film_grain_applied; // Film Grain Applied // TODO: To check from where to get this?
+ int custom_width; // Width for non-standard segmentation - used when != 0
+ int custom_x; // Start x for non-standard segmentation - used when custom_width != 0
};
// Basic output information