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 at chromium.org>
---

Changes in v2:
 - This was previously in another patch, but moved since it warrants its own
Changes in v3:
 - Removed apply() from vidi
Changes in v4: None

 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 5e82dc9..5912841 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 411e90a..810c61f 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_win_disable(struct exynos_drm_manager 
*mgr, int zpos)
 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 e458b26..838edb0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -333,7 +333,6 @@ 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 9837926..520aafd 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1700,6 +1700,7 @@ 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 23b9407..25a440a 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1058,6 +1058,8 @@ 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);
        }
 }

-- 
1.8.5.1

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