From: Mario Kleiner <mario.kleiner.de@xxxxxxxxx> Spatial dithering to 10 bpc depth was disabled for all DCE's. Testing on DCE-8.3 and DCE-11.2 did not show any obvious ill effects, but a measureable precision improvement (via colorimeter) when displaying a fp16 framebuffer to a 10 bpc DP or HDMI connected HDR-10 monitor. v2: enable it for all DCEs (Alex) Signed-off-by: Mario Kleiner <mario.kleiner.de@xxxxxxxxx> Cc: Alex Deucher <alexdeucher@xxxxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/display/dc/dce/dce_opp.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c index 4600231da6cb..895b015b02e8 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_opp.c @@ -216,9 +216,7 @@ static void set_spatial_dither( REG_UPDATE(FMT_BIT_DEPTH_CONTROL, FMT_TEMPORAL_DITHER_EN, 0); - /* no 10bpc on DCE11*/ - if (params->flags.SPATIAL_DITHER_ENABLED == 0 || - params->flags.SPATIAL_DITHER_DEPTH == 2) + if (params->flags.SPATIAL_DITHER_ENABLED == 0) return; /* only use FRAME_COUNTER_MAX if frameRandom == 1*/ -- 2.29.2 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
