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authorInki Dae <inki.dae@samsung.com>2012-11-14 20:41:35 +0900
committerInki Dae <daeinki@gmail.com>2012-11-29 03:30:33 -0800
commit8e8755dd8f9ca8a0da4c4cbff164fc42b4456539 (patch)
treef3733e1f1eb66dd607c85a1c85e1a9a378c5ebb1 /drivers/gpu/drm/exynos/exynos_drm_encoder.c
parentfa3692d1edebf67a4c93e9c6dbef7b0e0d23cb49 (diff)
downloadop-kernel-dev-8e8755dd8f9ca8a0da4c4cbff164fc42b4456539.zip
op-kernel-dev-8e8755dd8f9ca8a0da4c4cbff164fc42b4456539.tar.gz
drm/exynos: fix overlay updating issue
Chagelog v2: Move encoder's dpms updating into exynos_drm_encoder_commit function because when crtc's dpms is updated, encoder's dpms is updated also. This would induce the issue that encoder isn't disabled after crtc is disabled. Changelog v1: This patch fixes a issue that overlay data aren't applied to real hardware when dpms off goes to on after setcrtc was requested like below, dpms off -> setcrtc -> dpms off -> dpms on For this, it makes encoder's dpms to be updated when setcrtc is requested. Signed-off-by: Inki Dae <inki.dae@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_encoder.c')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_encoder.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 241ad1e..607231a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -226,6 +226,12 @@ static void exynos_drm_encoder_commit(struct drm_encoder *encoder)
* already updated or not by exynos_drm_encoder_dpms function.
*/
exynos_encoder->updated = true;
+
+ /*
+ * In case of setcrtc, there is no way to update encoder's dpms
+ * so update it here.
+ */
+ exynos_encoder->dpms = DRM_MODE_DPMS_ON;
}
static void exynos_drm_encoder_disable(struct drm_encoder *encoder)
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