diff options
| author | Yongqiang Niu <yongqiang.niu@mediatek.com> | 2019-12-13 15:28:51 +0800 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2020-01-10 14:10:07 +0800 |
| commit | 4cebc1de506fa753301266a5a23bb21bca52ad3a (patch) | |
| tree | 44443d302354e6c350151b2b54c544a9a9e8f504 /drivers/gpu/drm/mediatek | |
| parent | 2f965be7f90083f7cfd57c49f74a7f341de335a9 (diff) | |
drm/mediatek: Add gamma property according to hardware capability
If there is no gamma function in the crtc
display path, don't add gamma property
for crtc
Fixes: 2f3f4dda747c ("drm/mediatek: Add gamma correction.")
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index baa66d1a2cf6..c2003e36524c 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -730,6 +730,7 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, int pipe = priv->num_pipes; int ret; int i; + uint gamma_lut_size = 0; if (!path) return 0; @@ -780,6 +781,9 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, } mtk_crtc->ddp_comp[i] = comp; + + if (comp->funcs && comp->funcs->gamma_set) + gamma_lut_size = MTK_LUT_SIZE; } for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) @@ -800,8 +804,10 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, NULL, pipe); if (ret < 0) return ret; - drm_mode_crtc_set_gamma_size(&mtk_crtc->base, MTK_LUT_SIZE); - drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, false, MTK_LUT_SIZE); + + if (gamma_lut_size) + drm_mode_crtc_set_gamma_size(&mtk_crtc->base, gamma_lut_size); + drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, false, gamma_lut_size); priv->num_pipes++; mutex_init(&mtk_crtc->hw_lock); |