[PATCH] drm/amd/display: no 3D and blnd LUT as DPP color caps for DCN401

Melissa Wen mwen at igalia.com
Fri Apr 25 20:52:30 UTC 2025


Match what is declared as DPP color caps with hw caps. DCN401 has MPC
shaper+3D+blnd LUTs that are movable before and after blending (get from
plane or stream), but no DPP shaper+3D+blend LUTs.

Signed-off-by: Melissa Wen <mwen at igalia.com>
---
 .../gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
index 5b7148bb1701..3b142e662c7b 100644
--- a/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/resource/dcn401/dcn401_resource.c
@@ -1937,8 +1937,8 @@ static bool dcn401_resource_construct(
 	dc->caps.color.dpp.gamma_corr = 1;
 	dc->caps.color.dpp.dgam_rom_for_yuv = 0;
 
-	dc->caps.color.dpp.hw_3d_lut = 1;
-	dc->caps.color.dpp.ogam_ram = 1;
+	dc->caps.color.dpp.hw_3d_lut = 0;
+	dc->caps.color.dpp.ogam_ram = 0;
 	// no OGAM ROM on DCN2 and later ASICs
 	dc->caps.color.dpp.ogam_rom_caps.srgb = 0;
 	dc->caps.color.dpp.ogam_rom_caps.bt2020 = 0;
-- 
2.47.2



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