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-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index ed44cd4f01f7..1c65a3164ce0 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -72,6 +72,7 @@ struct mixer_resources {
spinlock_t reg_slock;
struct clk *mixer;
struct clk *vp;
+ struct clk *hdmi;
struct clk *sclk_mixer;
struct clk *sclk_hdmi;
struct clk *mout_mixer;
@@ -769,6 +770,12 @@ static int mixer_resources_init(struct mixer_context *mixer_ctx)
return -ENODEV;
}
+ mixer_res->hdmi = devm_clk_get(dev, "hdmi");
+ if (IS_ERR(mixer_res->hdmi)) {
+ dev_err(dev, "failed to get clock 'hdmi'\n");
+ return PTR_ERR(mixer_res->hdmi);
+ }
+
mixer_res->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
if (IS_ERR(mixer_res->sclk_hdmi)) {
dev_err(dev, "failed to get clock 'sclk_hdmi'\n");
@@ -1092,6 +1099,7 @@ static void mixer_poweron(struct exynos_drm_crtc *crtc)
pm_runtime_get_sync(ctx->dev);
clk_prepare_enable(res->mixer);
+ clk_prepare_enable(res->hdmi);
if (ctx->vp_enabled) {
clk_prepare_enable(res->vp);
if (ctx->has_sclk)
@@ -1131,6 +1139,7 @@ static void mixer_poweroff(struct exynos_drm_crtc *crtc)
ctx->powered = false;
mutex_unlock(&ctx->mixer_mutex);
+ clk_disable_unprepare(res->hdmi);
clk_disable_unprepare(res->mixer);
if (ctx->vp_enabled) {
clk_disable_unprepare(res->vp);