diff options
| author | Leo (Sunpeng) Li <sunpeng.li@amd.com> | 2018-02-02 09:46:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:20:05 -0500 |
| commit | 08616da569751be1b9ce6128a28930847670c80d (patch) | |
| tree | c784c5e2f9e2ffa01956a9093de48691e0dc76b6 /drivers/gpu/drm/amd/display/dc | |
| parent | 3a97f3fff110d17ecc957ea99d16a8877890b4eb (diff) | |
drm/amd/display: Use hardware max low point when sampling OTF
The MAX_LOW_POINT macro should reflect the maximum low point within
hardware. Otherwise, sampling for the hardware points from the output
transfer function (OTF) will be incorrect.
Also, fix usage of MAX_LOW_POINT accordingly.
Signed-off-by: Leo (Sunpeng) Li <sunpeng.li@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 9e97cd74b0ec..bc698644d42a 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -409,7 +409,7 @@ static bool convert_to_custom_float(struct pwl_result_data *rgb_resulted, return true; } -#define MAX_LOW_POINT 11 +#define MAX_LOW_POINT 25 #define NUMBER_REGIONS 16 #define NUMBER_SW_SEGMENTS 16 @@ -443,8 +443,8 @@ dce110_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf, /* 16 segments * segments are from 2^-11 to 2^5 */ - region_start = -MAX_LOW_POINT; - region_end = NUMBER_REGIONS - MAX_LOW_POINT; + region_start = -11; + region_end = region_start + NUMBER_REGIONS; for (i = 0; i < NUMBER_REGIONS; i++) seg_distr[i] = 4; |