diff options
| author | Bibby Hsieh <bibby.hsieh@mediatek.com> | 2016-07-28 05:22:54 +0300 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-08-11 11:52:22 +0300 |
| commit | 2f3f4dda747c0619594d13996e65598ab675c60c (patch) | |
| tree | 7eeecac304f67c6007d8c3f2da969c8183ff66dc /drivers/gpu/drm/mediatek/mtk_drm_crtc.h | |
| parent | e0a5d33702451329b7da70a15fad3b919e441401 (diff) | |
| download | linux-2f3f4dda747c0619594d13996e65598ab675c60c.tar.xz | |
drm/mediatek: Add gamma correction.
Add gamma set function to correct brightness values.
It applies arbitrary mapping curve to compensate the
incorrect transfer function of the panel.
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_crtc.h')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h index 81e5566ec82f..d332564065e3 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.h @@ -19,6 +19,7 @@ #include "mtk_drm_plane.h" #define OVL_LAYER_NR 4 +#define MTK_LUT_SIZE 512 int mtk_drm_crtc_enable_vblank(struct drm_device *drm, unsigned int pipe); void mtk_drm_crtc_disable_vblank(struct drm_device *drm, unsigned int pipe); |