[PATCH 06/67] drm/amd/display: use even ODM slice width for two pixels per container
Zaeem Mohamed
zaeem.mohamed at amd.com
Thu Jun 6 20:58:27 UTC 2024
From: Wenjing Liu <wenjing.liu at amd.com>
[why]
When optc uses two pixel per container, each ODM slice width must be an
even number.
[how]
If ODM slice width is odd number increase it by 1.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu at amd.com>
---
drivers/gpu/drm/amd/display/dc/spl/dc_spl.c | 3 +++
drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
index 2836f28fa3af..9c6171e90163 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c
@@ -173,6 +173,9 @@ static struct spl_rect calculate_odm_slice_in_timing_active(struct spl_in *spl_i
int odm_slice_width = h_active / odm_slice_count;
struct spl_rect odm_rec;
+ if (spl_in->basic_out.use_two_pixels_per_container && (odm_slice_width % 2))
+ odm_slice_width++;
+
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 */
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h
index a8f7fccfa16b..49c866a558f6 100644
--- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h
+++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h
@@ -441,6 +441,7 @@ struct basic_out {
bool always_scale; // Is always scale enabled? Required for getting SCL_MODE
int max_downscale_src_width; // Required to get optimal no of taps
bool alpha_en;
+ bool use_two_pixels_per_container;
};
enum explicit_sharpness {
SHARPNESS_LOW = 0,
--
2.34.1
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