[PATCH 07/11] drm/exynos: fix dpms operation for mode set

[Joonyoung Shim]

When we do mode set, the dpms mode should be ON. Don't control dpms in
crtc commit function.

Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c    |   26 +++-----------------------
 drivers/gpu/drm/exynos/exynos_drm_encoder.c |   14 ++------------
 drivers/gpu/drm/exynos/exynos_drm_encoder.h |    2 --
 3 files changed, 5 insertions(+), 37 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index 32c166a..7cda72e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -105,28 +105,6 @@ static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
-	/*
-	 * when set_crtc is requested from user or at booting time,
-	 * crtc->commit would be called without dpms call so if dpms is
-	 * no power on then crtc->dpms should be called
-	 * with DRM_MODE_DPMS_ON for the hardware power to be on.
-	 */
-	if (exynos_crtc->dpms != DRM_MODE_DPMS_ON) {
-		int mode = DRM_MODE_DPMS_ON;
-
-		/*
-		 * enable hardware(power on) to all encoders hdmi connected
-		 * to current crtc.
-		 */
-		exynos_drm_crtc_dpms(crtc, mode);
-		/*
-		 * enable dma to all encoders connected to current crtc and
-		 * lcd panel.
-		 */
-		exynos_drm_fn_encoder(crtc, &mode,
-					exynos_drm_encoder_dpms_from_crtc);
-	}
-
 	exynos_plane_commit(exynos_crtc->plane);
 }
 
@@ -155,6 +133,8 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
+	exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+
 	/*
 	 * copy the mode data adjusted by mode_fixup() into crtc->mode
 	 * so that hardware can be seet to proper mode.
@@ -196,7 +176,7 @@ static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
 	if (ret)
 		return ret;
 
-	exynos_plane_commit(exynos_crtc->plane);
+	exynos_drm_crtc_commit(crtc);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 316e549..dbf7e5e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -138,6 +138,8 @@ static void exynos_drm_encoder_mode_set(struct drm_encoder *encoder,
 
 	DRM_DEBUG_KMS("%s\n", __FILE__);
 
+	exynos_drm_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
+
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder)
 			if (manager_ops && manager_ops->mode_set)
@@ -323,18 +325,6 @@ void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data)
 		manager_ops->disable_vblank(manager->dev);
 }
 
-void exynos_drm_encoder_dpms_from_crtc(struct drm_encoder *encoder, void *data)
-{
-	struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
-	int mode = *(int *)data;
-
-	DRM_DEBUG_KMS("%s\n", __FILE__);
-
-	exynos_drm_encoder_dpms(encoder, mode);
-
-	exynos_encoder->dpms = mode;
-}
-
 void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data)
 {
 	struct drm_device *dev = encoder->dev;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.h b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
index cabe3eb..7692ee4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.h
@@ -40,8 +40,6 @@ void exynos_drm_fn_encoder(struct drm_crtc *crtc, void *data,
 			    void (*fn)(struct drm_encoder *, void *));
 void exynos_drm_enable_vblank(struct drm_encoder *encoder, void *data);
 void exynos_drm_disable_vblank(struct drm_encoder *encoder, void *data);
-void exynos_drm_encoder_dpms_from_crtc(struct drm_encoder *encoder,
-					void *data);
 void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_crtc_pipe(struct drm_encoder *encoder, void *data);
 void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data);
-- 
1.7.5.4