[RFC PATCH 28/40] drm/amd/display: set sdr_ref_white_level to 80 for out_transfer_func

[Melissa Wen]

From: Joshua Ashton <jos...@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 <jos...@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