[PATCH v3 07/32] drm/exynos: Remove apply manager callback

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This patch removes the apply() manager callback in favor of putting the
relevant commits in the individual drivers. This will mitigate some of
the difference between the suspend/resume path and the dpms path

Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
---

Changes in v2:
	- This was previously in another patch, but moved since it warrants its own
Changes in v3:
	- Removed apply() from vidi

 drivers/gpu/drm/exynos/exynos_drm_drv.h     |  2 --
 drivers/gpu/drm/exynos/exynos_drm_encoder.c |  6 ------
 drivers/gpu/drm/exynos/exynos_drm_fimd.c    | 22 +++++-----------------
 drivers/gpu/drm/exynos/exynos_drm_hdmi.c    | 17 -----------------
 drivers/gpu/drm/exynos/exynos_drm_vidi.c    |  1 -
 drivers/gpu/drm/exynos/exynos_hdmi.c        |  1 +
 drivers/gpu/drm/exynos/exynos_mixer.c       |  2 ++
 7 files changed, 8 insertions(+), 43 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 8eb8b83..bff432a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -146,7 +146,6 @@ struct exynos_drm_display_ops {
  *
  * @initialize: initializes the manager with drm_dev
  * @dpms: control device power.
- * @apply: set timing, vblank and overlay data to registers.
  * @mode_fixup: fix mode data comparing to hw specific display mode.
  * @mode_set: convert drm_display_mode to hw specific display mode and
  *	      would be called by encoder->mode_set().
@@ -166,7 +165,6 @@ struct exynos_drm_manager_ops {
 	int (*initialize)(struct exynos_drm_manager *mgr,
 				struct drm_device *drm_dev);
 	void (*dpms)(struct exynos_drm_manager *mgr, int mode);
-	void (*apply)(struct exynos_drm_manager *mgr);
 	void (*mode_fixup)(struct exynos_drm_manager *mgr,
 				struct drm_connector *connector,
 				const struct drm_display_mode *mode,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index ec627fa..19ee84d 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -57,8 +57,6 @@ static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode)
 static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct drm_device *dev = encoder->dev;
-	struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder);
-	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 	struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder);
 
 	DRM_DEBUG_KMS("encoder dpms: %d\n", mode);
@@ -72,10 +70,6 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode)
 
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
-		if (manager_ops && manager_ops->apply)
-			if (!exynos_encoder->updated)
-				manager_ops->apply(manager);
-
 		exynos_drm_connector_power(encoder, mode);
 		exynos_encoder->dpms = mode;
 		break;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 2769eb3..f0ac1d5 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -672,7 +672,6 @@ static void fimd_wait_for_vblank(struct exynos_drm_manager *mgr)
 static struct exynos_drm_manager_ops fimd_manager_ops = {
 	.initialize = fimd_mgr_initialize,
 	.dpms = fimd_dpms,
-	.apply = fimd_apply,
 	.commit = fimd_commit,
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
@@ -883,6 +882,8 @@ static int fimd_activate(struct exynos_drm_manager *mgr, bool enable)
 			fimd_enable_vblank(mgr);
 
 		fimd_window_resume(dev);
+
+		fimd_apply(mgr);
 	} else {
 		fimd_window_suspend(dev);
 
@@ -1037,23 +1038,10 @@ static int fimd_resume(struct device *dev)
 	 * of pm runtime would still be 1 so in this case, fimd driver
 	 * should be on directly not drawing on pm runtime interface.
 	 */
-	if (!pm_runtime_suspended(dev)) {
-		int ret;
+	if (pm_runtime_suspended(dev))
+		return 0;
 
-		ret = fimd_activate(mgr, true);
-		if (ret < 0)
-			return ret;
-
-		/*
-		 * in case of dpms on(standby), fimd_apply function will
-		 * be called by encoder's dpms callback to update fimd's
-		 * registers but in case of sleep wakeup, it's not.
-		 * so fimd_apply function should be called at here.
-		 */
-		fimd_apply(mgr);
-	}
-
-	return 0;
+	return fimd_activate(mgr, true);
 }
 #endif
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index ca0a87f..c5de00a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -302,22 +302,6 @@ static void drm_hdmi_dpms(struct exynos_drm_manager *mgr, int mode)
 		hdmi_ops->dpms(ctx->hdmi_ctx->ctx, mode);
 }
 
-static void drm_hdmi_apply(struct exynos_drm_manager *mgr)
-{
-	struct drm_hdmi_context *ctx = mgr->ctx;
-	int i;
-
-	for (i = 0; i < MIXER_WIN_NR; i++) {
-		if (!ctx->enabled[i])
-			continue;
-		if (mixer_ops && mixer_ops->win_commit)
-			mixer_ops->win_commit(ctx->mixer_ctx->ctx, i);
-	}
-
-	if (hdmi_ops && hdmi_ops->commit)
-		hdmi_ops->commit(ctx->hdmi_ctx->ctx);
-}
-
 static void drm_mixer_win_mode_set(struct exynos_drm_manager *mgr,
 				struct exynos_drm_overlay *overlay)
 {
@@ -362,7 +346,6 @@ static void drm_mixer_win_disable(struct exynos_drm_manager *mgr, int zpos)
 static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
 	.initialize = drm_hdmi_mgr_initialize,
 	.dpms = drm_hdmi_dpms,
-	.apply = drm_hdmi_apply,
 	.enable_vblank = drm_hdmi_enable_vblank,
 	.disable_vblank = drm_hdmi_disable_vblank,
 	.wait_for_vblank = drm_hdmi_wait_for_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index b7568de..2ca24a3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -335,7 +335,6 @@ static void vidi_win_disable(struct exynos_drm_manager *mgr, int zpos)
 
 static struct exynos_drm_manager_ops vidi_manager_ops = {
 	.dpms = vidi_dpms,
-	.apply = vidi_apply,
 	.commit = vidi_commit,
 	.enable_vblank = vidi_enable_vblank,
 	.disable_vblank = vidi_disable_vblank,
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 00704e9..2d36d59 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1699,6 +1699,7 @@ static void hdmi_poweron(struct hdmi_context *hdata)
 	clk_prepare_enable(res->sclk_hdmi);
 
 	hdmiphy_poweron(hdata);
+	hdmi_commit(hdata);
 }
 
 static void hdmi_poweroff(struct hdmi_context *hdata)
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 2f204c1..60935c4 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -899,6 +899,8 @@ static void mixer_window_resume(struct mixer_context *ctx)
 		win_data = &ctx->win_data[i];
 		win_data->enabled = win_data->resume;
 		win_data->resume = false;
+		if (win_data->enabled)
+			mixer_win_commit(ctx, i);
 	}
 }
 
-- 
1.8.4

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