diff options
| author | Uma Shankar <uma.shankar@intel.com> | 2019-06-28 13:32:30 +0530 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2019-07-10 15:38:17 +0300 |
| commit | caceff96d5b7b487da19c0916e0048ff8f1709a9 (patch) | |
| tree | cbb04bc49c5afa92e12866b32fe99b08b23a21aa /drivers | |
| parent | 9856bf7f779a6613bad0a9d628b2e82e00fdec66 (diff) | |
drm/i915/icl: Fixed Input CSC Co-efficients for BT601/709
Input CSC Co-efficients for BT601 and BT709 YCbCR to RGB
conversion were slightly off. Fixed the same.
v2: Fixed the co-eficients as there was issue with reference
matrix, spotted by Ville.
v3: Rebase
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190628080230.27492-4-uma.shankar@intel.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_sprite.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 57b0d70f4d7b..5e5ea867aae9 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -441,7 +441,7 @@ icl_program_input_csc(struct intel_plane *plane, */ [DRM_COLOR_YCBCR_BT709] = { 0x7C98, 0x7800, 0x0, - 0x9EF8, 0x7800, 0xABF8, + 0x9EF8, 0x7800, 0xAC00, 0x0, 0x7800, 0x7ED8, }, /* @@ -463,26 +463,26 @@ icl_program_input_csc(struct intel_plane *plane, /* * BT.601 Limted range YCbCr -> full range RGB * The matrix required is : - * [1.164384, 0.000, 1.596370, - * 1.138393, -0.382500, -0.794598, - * 1.138393, 1.971696, 0.0000] + * [1.164384, 0.000, 1.596027, + * 1.164384, -0.39175, -0.812813, + * 1.164384, 2.017232, 0.0000] */ [DRM_COLOR_YCBCR_BT601] = { 0x7CC8, 0x7950, 0x0, - 0x8CB8, 0x7918, 0x9C40, - 0x0, 0x7918, 0x7FC8, + 0x8D00, 0x7950, 0x9C88, + 0x0, 0x7950, 0x6810, }, /* * BT.709 Limited range YCbCr -> full range RGB * The matrix required is : - * [1.164, 0.000, 1.833671, - * 1.138393, -0.213249, -0.532909, - * 1.138393, 2.112402, 0.0000] + * [1.164384, 0.000, 1.792741, + * 1.164384, -0.213249, -0.532909, + * 1.164384, 2.112402, 0.0000] */ [DRM_COLOR_YCBCR_BT709] = { - 0x7EA8, 0x7950, 0x0, - 0x8888, 0x7918, 0xADA8, - 0x0, 0x7918, 0x6870, + 0x7E58, 0x7950, 0x0, + 0x8888, 0x7950, 0xADA8, + 0x0, 0x7950, 0x6870, }, /* * BT.2020 Limited range YCbCr -> full range RGB |