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authorShawn Guo <shawn.guo@linaro.org>2017-01-09 19:25:43 +0800
committerSean Paul <seanpaul@chromium.org>2017-01-18 09:21:06 -0500
commitea441bd33f93aa7f6f404c8877e6d3313a4dbdbe (patch)
tree844da6415ec3a69915183dd4801d486510808ecc /drivers/gpu/drm/nouveau/nouveau_display.c
parentffec8925836caf1e91dce9c37c322c363eef58b3 (diff)
downloadblackbird-op-linux-ea441bd33f93aa7f6f404c8877e6d3313a4dbdbe.tar.gz
blackbird-op-linux-ea441bd33f93aa7f6f404c8877e6d3313a4dbdbe.zip
drm: nouveau: use crtc helper drm_crtc_from_index()
Use drm_crtc_from_index() to find drm_crtc for given index. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: http://patchwork.freedesktop.org/patch/msgid/1483961145-18453-5-git-send-email-shawnguo@kernel.org
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_display.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index add353e230f4..6b570079d185 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -58,27 +58,30 @@ int
nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe)
{
struct drm_crtc *crtc;
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
- if (nv_crtc->index == pipe) {
- nvif_notify_get(&nv_crtc->vblank);
- return 0;
- }
- }
- return -EINVAL;
+ struct nouveau_crtc *nv_crtc;
+
+ crtc = drm_crtc_from_index(dev, pipe);
+ if (!crtc)
+ return -EINVAL;
+
+ nv_crtc = nouveau_crtc(crtc);
+ nvif_notify_get(&nv_crtc->vblank);
+
+ return 0;
}
void
nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe)
{
struct drm_crtc *crtc;
- list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
- if (nv_crtc->index == pipe) {
- nvif_notify_put(&nv_crtc->vblank);
- return;
- }
- }
+ struct nouveau_crtc *nv_crtc;
+
+ crtc = drm_crtc_from_index(dev, pipe);
+ if (!crtc)
+ return;
+
+ nv_crtc = nouveau_crtc(crtc);
+ nvif_notify_put(&nv_crtc->vblank);
}
static inline int
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