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drm: zte: use crtc helper drm_crtc_from_index()

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Function zx_find_crtc() does the exactly same thing as what crtc helper
drm_crtc_from_index() provides.  Use the helper to save some code.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1483015290-16660-3-git-send-email-shawnguo@kernel.org
This commit is contained in:
Shawn Guo 2016-12-29 20:41:29 +08:00 committed by Daniel Vetter
parent 6d1b81d8e2
commit ac620ba3d0
1 changed files with 2 additions and 13 deletions
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15
drivers/gpu/drm/zte/zx_vou.c
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@ -355,17 +355,6 @@ static int zx_crtc_init(struct drm_device *drm, struct zx_vou_hw *vou,
return 0; return 0;
} }
static inline struct drm_crtc *zx_find_crtc(struct drm_device *drm, int pipe)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &drm->mode_config.crtc_list, head)
if (crtc->index == pipe)
return crtc;
return NULL;
}
int zx_vou_enable_vblank(struct drm_device *drm, unsigned int pipe) int zx_vou_enable_vblank(struct drm_device *drm, unsigned int pipe)
{ {
struct drm_crtc *crtc; struct drm_crtc *crtc;
@ -373,7 +362,7 @@ int zx_vou_enable_vblank(struct drm_device *drm, unsigned int pipe)
struct zx_vou_hw *vou; struct zx_vou_hw *vou;
u32 int_frame_mask; u32 int_frame_mask;
crtc = zx_find_crtc(drm, pipe); crtc = drm_crtc_from_index(drm, pipe);
if (!crtc) if (!crtc)
return 0; return 0;
@ -393,7 +382,7 @@ void zx_vou_disable_vblank(struct drm_device *drm, unsigned int pipe)
struct zx_crtc *zcrtc; struct zx_crtc *zcrtc;
struct zx_vou_hw *vou; struct zx_vou_hw *vou;
crtc = zx_find_crtc(drm, pipe); crtc = drm_crtc_from_index(drm, pipe);
if (!crtc) if (!crtc)
return; return;