Commit 75bcb054 authored by Shawn Guo's avatar Shawn Guo Committed by Sean Paul
Browse files

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: default avatarShawn Guo <shawn.guo@linaro.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1483961145-18453-6-git-send-email-shawnguo@kernel.org
parent ea441bd3

drivers/gpu/drm/tegra/drm.c

+3 −16
Original line number Diff line number Diff line
@@ -804,23 +804,10 @@ static const struct file_operations tegra_drm_fops = { 
	.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 u32 tegra_drm_get_vblank_counter(struct drm_device *drm, 


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 int tegra_drm_enable_vblank(struct drm_device *drm, unsigned int pipe) 


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)

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