drm: exynos: use crtc helper drm_crtc_from_index()

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 exynos_drm_private.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1483961145-18453-2-git-send-email-shawnguo@kernel.org
This commit is contained in:
Shawn Guo 2017-01-09 19:25:40 +08:00 committed by Sean Paul
parent 01f8c951c2
commit a3c764e988
2 changed files with 2 additions and 14 deletions

View File

@ -109,9 +109,6 @@ static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct exynos_drm_private *private = crtc->dev->dev_private;
private->crtc[exynos_crtc->pipe] = NULL;
drm_crtc_cleanup(crtc);
kfree(exynos_crtc);
@ -134,7 +131,6 @@ struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
void *ctx)
{
struct exynos_drm_crtc *exynos_crtc;
struct exynos_drm_private *private = drm_dev->dev_private;
struct drm_crtc *crtc;
int ret;
@ -149,8 +145,6 @@ struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
crtc = &exynos_crtc->base;
private->crtc[pipe] = crtc;
ret = drm_crtc_init_with_planes(drm_dev, crtc, plane, NULL,
&exynos_crtc_funcs, NULL);
if (ret < 0)

View File

@ -211,12 +211,6 @@ struct drm_exynos_file_private {
struct exynos_drm_private {
struct drm_fb_helper *fb_helper;
/*
* created crtc object would be contained at this array and
* this array is used to be aware of which crtc did it request vblank.
*/
struct drm_crtc *crtc[MAX_CRTC];
struct device *dma_dev;
void *mapping;
@ -231,9 +225,9 @@ struct exynos_drm_private {
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;
struct drm_crtc *crtc = drm_crtc_from_index(dev, pipe);
return to_exynos_crtc(private->crtc[pipe]);
return to_exynos_crtc(crtc);
}
static inline struct device *to_dma_dev(struct drm_device *dev)