在 2021/5/21 17:09, Daniel Vetter 写道:
Like we have for the shadow helpers too, and roll it out to drivers.
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>
---
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 36d9575aa27b..20557d2c2fae 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,
};
Reviewed-by: Tian Tao <tiantao6@xxxxxxxxxxxxx>
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
*/
