[PATCH v2 17/26] drm/exynos: Add mode_set manager operation

[Sean Paul <seanpaul@xxxxxxxxxxxx>]

This patch adds a mode_set callback to the manager operations which
sets the crtc's current mode to the manager driver.

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

Changes in v2: None

 drivers/gpu/drm/exynos/exynos_drm_crtc.c | 4 ++++
 drivers/gpu/drm/exynos/exynos_drm_drv.h  | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index d019385..a5cb104 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -115,6 +115,7 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 			  struct drm_framebuffer *old_fb)
 {
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+	struct exynos_drm_manager *manager = exynos_crtc->manager;
 	struct drm_plane *plane = exynos_crtc->plane;
 	unsigned int crtc_w;
 	unsigned int crtc_h;
@@ -129,6 +130,9 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	crtc_w = crtc->fb->width - x;
 	crtc_h = crtc->fb->height - y;
 
+	if (manager->ops->mode_set)
+		manager->ops->mode_set(manager, &crtc->mode);
+
 	ret = exynos_plane_mode_set(plane, crtc, crtc->fb, 0, 0, crtc_w, crtc_h,
 				    x, y, crtc_w, crtc_h);
 	if (ret)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index dc730e5..c58a4c7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -184,6 +184,7 @@ struct exynos_drm_display {
  * @initialize: initializes the manager with drm_dev
  * @remove: cleans up the manager for removal
  * @dpms: control device power.
+ * @mode_set: set the given mode to the manager
  * @commit: set current hw specific display mode to hw.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
@@ -200,6 +201,8 @@ struct exynos_drm_manager_ops {
 				struct drm_device *drm_dev, int pipe);
 	void (*remove)(struct exynos_drm_manager *mgr);
 	void (*dpms)(struct exynos_drm_manager *mgr, int mode);
+	void (*mode_set)(struct exynos_drm_manager *mgr,
+				const struct drm_display_mode *mode);
 	void (*commit)(struct exynos_drm_manager *mgr);
 	int (*enable_vblank)(struct exynos_drm_manager *mgr);
 	void (*disable_vblank)(struct exynos_drm_manager *mgr);
-- 
1.8.4

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