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drm/exynos: add helper to get crtc from pipe

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The helper abstracts out conversion from pipeline
to crtc. Currently it is used in two places, but
there will be more uses in next patches.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2016-03-23 14:25:57 +01:00 committed by Inki Dae
parent 3d30ec54c9
commit 2701932899
2 changed files with 12 additions and 6 deletions
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10
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -157,9 +157,8 @@ err_crtc:
int exynos_drm_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
to_exynos_crtc(private->crtc[pipe]);
struct exynos_drm_crtc *exynos_crtc = exynos_drm_crtc_from_pipe(dev,
pipe);
if (exynos_crtc->ops->enable_vblank)
return exynos_crtc->ops->enable_vblank(exynos_crtc);
@ -169,9 +168,8 @@ int exynos_drm_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
void exynos_drm_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
to_exynos_crtc(private->crtc[pipe]);
struct exynos_drm_crtc *exynos_crtc = exynos_drm_crtc_from_pipe(dev,
pipe);
if (exynos_crtc->ops->disable_vblank)
exynos_crtc->ops->disable_vblank(exynos_crtc);

8
drivers/gpu/drm/exynos/exynos_drm_drv.h
View File

@ -232,6 +232,14 @@ struct exynos_drm_private {
wait_queue_head_t wait;
};
static inline struct exynos_drm_crtc *
exynos_drm_crtc_from_pipe(struct drm_device *dev, int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
return to_exynos_crtc(private->crtc[pipe]);
}
static inline struct device *to_dma_dev(struct drm_device *dev)
{
struct exynos_drm_private *priv = dev->dev_private;