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drm/amd/display: set sdr_ref_white_level to 80 for out_transfer_func

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Otherwise this is just initialized to 0. This needs to actually have a
value so that compute_curve can work for PQ EOTF.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Joshua Ashton <joshua@froggi.es>
Co-developed-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Melissa Wen <mwen@igalia.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Joshua Ashton 2023-11-16 18:57:56 -01:00 committed by Alex Deucher
parent d9501844d5
commit 88d26ea639
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
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@ -72,6 +72,7 @@
*/
#define MAX_DRM_LUT_VALUE 0xFFFF
#define SDR_WHITE_LEVEL_INIT_VALUE 80
/**
* amdgpu_dm_init_color_mod - Initialize the color module.
@ -552,6 +553,7 @@ static int amdgpu_dm_set_atomic_regamma(struct dc_stream_state *stream,
*/
out_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
out_tf->tf = tf;
out_tf->sdr_ref_white_level = SDR_WHITE_LEVEL_INIT_VALUE;
ret = __set_output_tf(out_tf, regamma_lut, regamma_size, has_rom);
} else {