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....@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_encoder.c | 6 ++++++
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)
--
1.7.4.1
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