drm: tegra: use crtc helper drm_crtc_from_index()
Function tegra_crtc_from_pipe() 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>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1483961145-18453-6-git-send-email-shawnguo@kernel.org
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index 0f4eacb..2d57f62 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -804,23 +804,10 @@
.llseek = noop_llseek,
};
-static struct drm_crtc *tegra_crtc_from_pipe(struct drm_device *drm,
- unsigned int pipe)
-{
- struct drm_crtc *crtc;
-
- list_for_each_entry(crtc, &drm->mode_config.crtc_list, head) {
- if (pipe == drm_crtc_index(crtc))
- return crtc;
- }
-
- return NULL;
-}
-
static u32 tegra_drm_get_vblank_counter(struct drm_device *drm,
unsigned int pipe)
{
- struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe);
+ struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
struct tegra_dc *dc = to_tegra_dc(crtc);
if (!crtc)
@@ -831,7 +818,7 @@
static int tegra_drm_enable_vblank(struct drm_device *drm, unsigned int pipe)
{
- struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe);
+ struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
struct tegra_dc *dc = to_tegra_dc(crtc);
if (!crtc)
@@ -844,7 +831,7 @@
static void tegra_drm_disable_vblank(struct drm_device *drm, unsigned int pipe)
{
- struct drm_crtc *crtc = tegra_crtc_from_pipe(drm, pipe);
+ struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
struct tegra_dc *dc = to_tegra_dc(crtc);
if (crtc)