Commit 5d39b9ee authored by Rahul Sharma's avatar Rahul Sharma Committed by Inki Dae

drm/exynos: enable vsync interrupt while waiting for vblank

mixer_wait_for_vblank function expects that the upcoming
vsync interrupt handler routine will clear the
wait_vsync_event atomic variable.

For this to happen, interrupts should be enabled and
disabled properly.
Signed-off-by: default avatarRahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent d74ed937
...@@ -1019,6 +1019,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr) ...@@ -1019,6 +1019,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
} }
mutex_unlock(&mixer_ctx->mixer_mutex); mutex_unlock(&mixer_ctx->mixer_mutex);
drm_vblank_get(mgr->crtc->dev, mixer_ctx->pipe);
atomic_set(&mixer_ctx->wait_vsync_event, 1); atomic_set(&mixer_ctx->wait_vsync_event, 1);
/* /*
...@@ -1029,6 +1031,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr) ...@@ -1029,6 +1031,8 @@ static void mixer_wait_for_vblank(struct exynos_drm_manager *mgr)
!atomic_read(&mixer_ctx->wait_vsync_event), !atomic_read(&mixer_ctx->wait_vsync_event),
HZ/20)) HZ/20))
DRM_DEBUG_KMS("vblank wait timed out.\n"); DRM_DEBUG_KMS("vblank wait timed out.\n");
drm_vblank_put(mgr->crtc->dev, mixer_ctx->pipe);
} }
static void mixer_window_suspend(struct exynos_drm_manager *mgr) static void mixer_window_suspend(struct exynos_drm_manager *mgr)
......
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