diff options
| author | Anthony Koo <Anthony.Koo@amd.com> | 2017-08-03 16:59:23 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-27 01:16:20 +0300 |
| commit | d66cf5f5013a4268057bcb92d301d010268ea27f (patch) | |
| tree | 3bad6df8f6eb551dacb8963036701f03f677a54d /drivers/gpu/drm/amd/display/dc/dce | |
| parent | 665da60f23d8c6bda5431529a73be49b3b9d97cb (diff) | |
| download | linux-d66cf5f5013a4268057bcb92d301d010268ea27f.tar.xz | |
drm/amd/display: implement DXGI Gamma Ramps
Support for gamma correction ramp in Floating Point format
Signed-off-by: Anthony Koo <anthony.koo@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@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/dce')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c b/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c index 9e8f0a3593a2..e010cf10d605 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_ipp.c @@ -193,10 +193,16 @@ static void dce_ipp_program_input_lut( REG_SET(DC_LUT_RW_INDEX, 0, DC_LUT_RW_INDEX, 0); - for (i = 0; i < INPUT_LUT_ENTRIES; i++) { - REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, gamma->red[i]); - REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, gamma->green[i]); - REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, gamma->blue[i]); + for (i = 0; i < gamma->num_entries; i++) { + REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.red[i])); + REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.green[i])); + REG_SET(DC_LUT_SEQ_COLOR, 0, DC_LUT_SEQ_COLOR, + dal_fixed31_32_round( + gamma->entries.blue[i])); } /* power off LUT memory */ |