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drm: mediatek: use crtc helper drm_crtc_from_index()

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Use drm_crtc_from_index() to find drm_crtc for given index, so that we
do not need to maintain a pointer array in struct mtk_drm_private.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1483961145-18453-4-git-send-email-shawnguo@kernel.org
This commit is contained in:
Shawn Guo 2017-01-09 19:25:42 +08:00 committed by Sean Paul
parent b8bf6836bf
commit ffec892583
2 changed files with 4 additions and 6 deletions
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9
drivers/gpu/drm/mediatek/mtk_drm_crtc.c
View File

@ -170,8 +170,8 @@ static void mtk_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
int mtk_drm_crtc_enable_vblank(struct drm_device *drm, unsigned int pipe)
{
struct mtk_drm_private *priv = drm->dev_private;
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(priv->crtc[pipe]);
struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
mtk_ddp_comp_enable_vblank(ovl, &mtk_crtc->base);
@ -181,8 +181,8 @@ 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)
{
struct mtk_drm_private *priv = drm->dev_private;
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(priv->crtc[pipe]);
struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
mtk_ddp_comp_disable_vblank(ovl);
@ -588,7 +588,6 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
goto unprepare;
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);
priv->crtc[pipe] = &mtk_crtc->base;
priv->num_pipes++;
return 0;

1
drivers/gpu/drm/mediatek/mtk_drm_drv.h
View File

@ -32,7 +32,6 @@ struct mtk_drm_private {
struct drm_device *drm;
struct device *dma_dev;
struct drm_crtc *crtc[MAX_CRTC];
unsigned int num_pipes;
struct device_node *mutex_node;