[RFC PATCH 28/40] drm/amd/display: set sdr_ref_white_level to 80 for out_transfer_func
Melissa Wen
mwen at igalia.com
Sun Apr 23 14:10:40 UTC 2023
From: Joshua Ashton <joshua at froggi.es>
Otherwise this is just initialized to 0.
This needs to actually have a value so that compute_curve can work
for PQ EOTF.
Signed-off-by: Joshua Ashton <joshua at froggi.es>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index 55aa876a5008..6e7271065a56 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -323,6 +323,7 @@ static int amdgpu_dm_set_atomic_regamma(struct dc_stream_state *stream,
*/
stream->out_transfer_func->type = TF_TYPE_DISTRIBUTED_POINTS;
stream->out_transfer_func->tf = tf;
+ stream->out_transfer_func->sdr_ref_white_level = 80;
ret = __set_output_tf(stream->out_transfer_func,
regamma_lut, regamma_size, has_rom);
--
2.39.2
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