Re: [PATCH 10/15] drm/vram-helpers: Create DRM_GEM_VRAM_PLANE_HELPER_FUNCS

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Am 22.06.21 um 18:55 schrieb Daniel Vetter:
Like we have for the shadow helpers too, and roll it out to drivers.

Acked-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Dave Airlie <airlied@xxxxxxxxxx>
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Maxime Ripard <mripard@xxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Tian Tao <tiantao6@xxxxxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx>

---
  drivers/gpu/drm/ast/ast_mode.c                 |  3 +--
  drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c |  3 +--
  drivers/gpu/drm/vboxvideo/vbox_mode.c          |  3 +--
  include/drm/drm_gem_vram_helper.h              | 12 ++++++++++++
  4 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index e5996ae03c49..f5d58c3088fe 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -612,8 +612,7 @@ ast_primary_plane_helper_atomic_disable(struct drm_plane *plane,
  }
static const struct drm_plane_helper_funcs ast_primary_plane_helper_funcs = {
-	.prepare_fb = drm_gem_vram_plane_helper_prepare_fb,
-	.cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb,
+	DRM_GEM_VRAM_PLANE_HELPER_FUNCS,
  	.atomic_check = ast_primary_plane_helper_atomic_check,
  	.atomic_update = ast_primary_plane_helper_atomic_update,
  	.atomic_disable = ast_primary_plane_helper_atomic_disable,
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
index 29b8332b2bca..ccf80e369b4b 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
@@ -158,8 +158,7 @@ static const struct drm_plane_funcs hibmc_plane_funcs = {
  };
static const struct drm_plane_helper_funcs hibmc_plane_helper_funcs = {
-	.prepare_fb	= drm_gem_vram_plane_helper_prepare_fb,
-	.cleanup_fb	= drm_gem_vram_plane_helper_cleanup_fb,
+	DRM_GEM_VRAM_PLANE_HELPER_FUNCS,
  	.atomic_check = hibmc_plane_atomic_check,
  	.atomic_update = hibmc_plane_atomic_update,
  };
diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c
index 964381d55fc1..972c83b720aa 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_mode.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c
@@ -488,8 +488,7 @@ static const struct drm_plane_helper_funcs vbox_primary_helper_funcs = {
  	.atomic_check = vbox_primary_atomic_check,
  	.atomic_update = vbox_primary_atomic_update,
  	.atomic_disable = vbox_primary_atomic_disable,
-	.prepare_fb	= drm_gem_vram_plane_helper_prepare_fb,
-	.cleanup_fb	= drm_gem_vram_plane_helper_cleanup_fb,
+	DRM_GEM_VRAM_PLANE_HELPER_FUNCS,
  };
static const struct drm_plane_funcs vbox_primary_plane_funcs = {
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 27ed7e9243b9..f48d181c824b 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -124,6 +124,18 @@ void
  drm_gem_vram_plane_helper_cleanup_fb(struct drm_plane *plane,
  				     struct drm_plane_state *old_state);
+/**
+ * DRM_GEM_VRAM_PLANE_HELPER_FUNCS -
+ *	Initializes struct drm_plane_helper_funcs for VRAM handling
+ *
+ * Drivers may use GEM BOs as VRAM helpers for the framebuffer memory. This
+ * macro initializes struct drm_plane_helper_funcs to use the respective helper
+ * functions.
+ */
+#define DRM_GEM_VRAM_PLANE_HELPER_FUNCS \
+	.prepare_fb = drm_gem_vram_plane_helper_prepare_fb, \
+	.cleanup_fb = drm_gem_vram_plane_helper_cleanup_fb
+
  /*
   * Helpers for struct drm_simple_display_pipe_funcs
   */


--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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