drm: Add acquire ctx parameter to ->page_flip(_target)

Again just going through the motions, no functional changes in here.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>t
Link: http://patchwork.freedesktop.org/patch/msgid/20170322215058.8671-12-daniel.vetter@ffwll.ch

16 files changed, 43 insertions, 21 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 39fc388f222a..7b4fe91d3aec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -311,7 +311,8 @@ int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
 				 struct drm_framebuffer *fb,
 				 struct drm_pending_vblank_event *event,
 				 uint32_t page_flip_flags,
-				 uint32_t target)
+				 uint32_t target,
+				 struct drm_modeset_acquire_ctx *ctx)
 {
 	struct amdgpu_bo *new_abo;
 	struct amdgpu_flip_work *work;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
index c12497bd3889..8573a818323f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
@@ -594,7 +594,8 @@ int amdgpu_crtc_set_config(struct drm_mode_set *set);
 int amdgpu_crtc_page_flip_target(struct drm_crtc *crtc,
 				 struct drm_framebuffer *fb,
 				 struct drm_pending_vblank_event *event,
-				 uint32_t page_flip_flags, uint32_t target);
+				 uint32_t page_flip_flags, uint32_t target,
+				 struct drm_modeset_acquire_ctx *ctx);
 void amdgpu_crtc_cleanup_flip_ctx(struct amdgpu_flip_work *work,
 				  struct amdgpu_bo *new_abo);
 int amdgpu_crtc_prepare_flip(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index 1341e0b9368a..4fe19fde84f9 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -1027,7 +1027,8 @@ static void armada_drm_crtc_destroy(struct drm_crtc *crtc)
  * and a mode_set.
  */
 static int armada_drm_crtc_page_flip(struct drm_crtc *crtc,
-	struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, uint32_t page_flip_flags)
+	struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, uint32_t page_flip_flags,
+	struct drm_modeset_acquire_ctx *ctx)
 {
 	struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
 	struct armada_frame_work *work;
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index d5e63eff357b..6a91e62da2f4 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -96,7 +96,8 @@ static void bochs_crtc_commit(struct drm_crtc *crtc)
 static int bochs_crtc_page_flip(struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
-				uint32_t page_flip_flags)
+				uint32_t page_flip_flags,
+				struct drm_modeset_acquire_ctx *ctx)
 {
 	struct bochs_device *bochs =
 		container_of(crtc, struct bochs_device, crtc);
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index cc6e2772b32f..96561ecf736f 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2859,6 +2859,7 @@ static int page_flip_common(
  * @fb: DRM framebuffer
  * @event: optional DRM event to signal upon completion
  * @flags: flip flags for non-vblank sync'ed updates
+ * @ctx: lock acquisition context
  *
  * Provides a default &drm_crtc_funcs.page_flip implementation
  * using the atomic driver interface.
@@ -2872,7 +2873,8 @@ static int page_flip_common(
 int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
-				uint32_t flags)
+				uint32_t flags,
+				struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_plane *plane = crtc->primary;
 	struct drm_atomic_state *state;
@@ -2920,6 +2922,7 @@ EXPORT_SYMBOL(drm_atomic_helper_page_flip);
  * @event: optional DRM event to signal upon completion
  * @flags: flip flags for non-vblank sync'ed updates
  * @target: specifying the target vblank period when the flip to take effect
+ * @ctx: lock acquisition context
  *
  * Provides a default &drm_crtc_funcs.page_flip_target implementation.
  * Similar to drm_atomic_helper_page_flip() with extra parameter to specify
@@ -2933,7 +2936,8 @@ int drm_atomic_helper_page_flip_target(
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
 				uint32_t flags,
-				uint32_t target)
+				uint32_t target,
+				struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_plane *plane = crtc->primary;
 	struct drm_atomic_state *state;
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 62e833ffeffd..373e980d698d 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -932,9 +932,11 @@ retry:
 	if (crtc->funcs->page_flip_target)
 		ret = crtc->funcs->page_flip_target(crtc, fb, e,
 						    page_flip->flags,
-						    target_vblank);
+						    target_vblank,
+						    &ctx);
 	else
-		ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags);
+		ret = crtc->funcs->page_flip(crtc, fb, e, page_flip->flags,
+					     &ctx);
 	if (ret) {
 		if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT)
 			drm_event_cancel_free(dev, &e->base);
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index c014bae7c5e7..6104f61b00fc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -792,7 +792,8 @@ fail:
 
 int
 nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
-		       struct drm_pending_vblank_event *event, u32 flags)
+		       struct drm_pending_vblank_event *event, u32 flags,
+		       struct drm_modeset_acquire_ctx *ctx)
 {
 	const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
 	struct drm_device *dev = crtc->dev;
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h
index 4a75df06c139..8b33e1db247e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.h
+++ b/drivers/gpu/drm/nouveau/nouveau_display.h
@@ -76,7 +76,8 @@ int  nouveau_display_vblstamp(struct drm_device *, unsigned int, int *,
 
 int  nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 			    struct drm_pending_vblank_event *event,
-			    uint32_t page_flip_flags);
+			    uint32_t page_flip_flags,
+			    struct drm_modeset_acquire_ctx *ctx);
 int  nouveau_finish_page_flip(struct nouveau_channel *,
 			      struct nouveau_page_flip_state *);
 
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index aea8b62835a4..31020db573d5 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -485,7 +485,8 @@ static int radeon_crtc_page_flip_target(struct drm_crtc *crtc,
 					struct drm_framebuffer *fb,
 					struct drm_pending_vblank_event *event,
 					uint32_t page_flip_flags,
-					uint32_t target)
+					uint32_t target,
+					struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_device *dev = crtc->dev;
 	struct radeon_device *rdev = dev->dev_private;
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
index 5fcabc04f307..e7738939a86d 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
@@ -449,7 +449,8 @@ void shmob_drm_crtc_finish_page_flip(struct shmob_drm_crtc *scrtc)
 static int shmob_drm_crtc_page_flip(struct drm_crtc *crtc,
 				    struct drm_framebuffer *fb,
 				    struct drm_pending_vblank_event *event,
-				    uint32_t page_flip_flags)
+				    uint32_t page_flip_flags,
+				    struct drm_modeset_acquire_ctx *ctx)
 {
 	struct shmob_drm_crtc *scrtc = to_shmob_crtc(crtc);
 	struct drm_device *dev = scrtc->crtc.dev;
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index f2b2481cad52..5bcae7649795 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -361,7 +361,8 @@ static void udl_crtc_destroy(struct drm_crtc *crtc)
 static int udl_crtc_page_flip(struct drm_crtc *crtc,
 			      struct drm_framebuffer *fb,
 			      struct drm_pending_vblank_event *event,
-			      uint32_t page_flip_flags)
+			      uint32_t page_flip_flags,
+			      struct drm_modeset_acquire_ctx *ctx)
 {
 	struct udl_framebuffer *ufb = to_udl_fb(fb);
 	struct drm_device *dev = crtc->dev;
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 24edd0c22cc9..865e9f494bcc 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -807,12 +807,13 @@ static int vc4_async_page_flip(struct drm_crtc *crtc,
 static int vc4_page_flip(struct drm_crtc *crtc,
 			 struct drm_framebuffer *fb,
 			 struct drm_pending_vblank_event *event,
-			 uint32_t flags)
+			 uint32_t flags,
+			 struct drm_modeset_acquire_ctx *ctx)
 {
 	if (flags & DRM_MODE_PAGE_FLIP_ASYNC)
 		return vc4_async_page_flip(crtc, fb, event, flags);
 	else
-		return drm_atomic_helper_page_flip(crtc, fb, event, flags);
+		return drm_atomic_helper_page_flip(crtc, fb, event, flags, ctx);
 }
 
 static struct drm_crtc_state *vc4_crtc_duplicate_state(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index d4268efc37d2..53cf3be7a902 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -395,7 +395,8 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
 static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
 				  struct drm_framebuffer *fb,
 				  struct drm_pending_vblank_event *event,
-				  uint32_t flags)
+				  uint32_t flags,
+				  struct drm_modeset_acquire_ctx *ctx)
 {
 	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
 	struct drm_framebuffer *old_fb = crtc->primary->fb;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index b27cd18ee66a..85e12309cb71 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -649,7 +649,8 @@ static int vmw_stdu_crtc_set_config(struct drm_mode_set *set)
 static int vmw_stdu_crtc_page_flip(struct drm_crtc *crtc,
 				   struct drm_framebuffer *new_fb,
 				   struct drm_pending_vblank_event *event,
-				   uint32_t flags)
+				   uint32_t flags,
+				   struct drm_modeset_acquire_ctx *ctx)
 
 {
 	struct vmw_private *dev_priv = vmw_priv(crtc->dev);
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 73554fff086a..9675cacb72a3 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -125,13 +125,15 @@ int drm_atomic_helper_connector_set_property(struct drm_connector *connector,
 int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
-				uint32_t flags);
+				uint32_t flags,
+				struct drm_modeset_acquire_ctx *ctx);
 int drm_atomic_helper_page_flip_target(
 				struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
 				uint32_t flags,
-				uint32_t target);
+				uint32_t target,
+				struct drm_modeset_acquire_ctx *ctx);
 int drm_atomic_helper_connector_dpms(struct drm_connector *connector,
 				     int mode);
 struct drm_encoder *
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index c1a75a9c81c2..1a525ce66468 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -405,7 +405,8 @@ struct drm_crtc_funcs {
 	int (*page_flip)(struct drm_crtc *crtc,
 			 struct drm_framebuffer *fb,
 			 struct drm_pending_vblank_event *event,
-			 uint32_t flags);
+			 uint32_t flags,
+			 struct drm_modeset_acquire_ctx *ctx);
 
 	/**
 	 * @page_flip_target:
@@ -423,7 +424,8 @@ struct drm_crtc_funcs {
 	int (*page_flip_target)(struct drm_crtc *crtc,
 				struct drm_framebuffer *fb,
 				struct drm_pending_vblank_event *event,
-				uint32_t flags, uint32_t target);
+				uint32_t flags, uint32_t target,
+				struct drm_modeset_acquire_ctx *ctx);
 
 	/**
 	 * @set_property: