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authorThomas Gleixner <tglx@linutronix.de>2013-01-31 22:17:10 +0100
committerThomas Gleixner <tglx@linutronix.de>2013-01-31 22:17:10 +0100
commita9037430c6c784165a940a90bcd29f886834c8e7 (patch)
tree4b186e0a761e93a6c6712053d444b566c0d25338 /drivers/gpu/drm/exynos/exynos_mixer.c
parent6125bc8b86d9da75ddac77e38f41afbf9f5de3e3 (diff)
parent12ad10004645d38356b14d1fbba379c523a61916 (diff)
downloadlinux-a9037430c6c784165a940a90bcd29f886834c8e7.tar.bz2
Merge branch 'timers/for-arm' into timers/core
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_mixer.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_mixer.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index c187ea33b748..c414584bfbae 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -600,7 +600,7 @@ static void vp_win_reset(struct mixer_context *ctx)
/* waiting until VP_SRESET_PROCESSING is 0 */
if (~vp_reg_read(res, VP_SRESET) & VP_SRESET_PROCESSING)
break;
- mdelay(10);
+ usleep_range(10000, 12000);
}
WARN(tries == 0, "failed to reset Video Processor\n");
}
@@ -776,6 +776,13 @@ static void mixer_win_commit(void *ctx, int win)
DRM_DEBUG_KMS("[%d] %s, win: %d\n", __LINE__, __func__, win);
+ mutex_lock(&mixer_ctx->mixer_mutex);
+ if (!mixer_ctx->powered) {
+ mutex_unlock(&mixer_ctx->mixer_mutex);
+ return;
+ }
+ mutex_unlock(&mixer_ctx->mixer_mutex);
+
if (win > 1 && mixer_ctx->vp_enabled)
vp_video_buffer(mixer_ctx, win);
else