This patch appends the minimum helpers related to framebuffer and plane
to make vkms minimally usable.
Changes since V1:
- None
Changes since V2:
- Squash "Add plane helper struct" and "Add helper for framebuffer
create"
Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@xxxxxxxxx>
---
drivers/gpu/drm/vkms/vkms_drv.c | 3 +++
drivers/gpu/drm/vkms/vkms_plane.c | 18 ++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 6ea2fd97bef9..b5d597a42f20 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -9,6 +9,8 @@
#include <drm/drm_gem.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_fb_helper.h>
#include "vkms_drv.h"
#define DRIVER_NAME "vkms"
@@ -69,6 +71,7 @@ static struct drm_driver vkms_driver = {
};
static const struct drm_mode_config_funcs vkms_mode_funcs = {
+ .fb_create = drm_gem_fb_create,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
};
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
index 2c25b1d6ab5b..f7f63143f6d0 100644
--- a/drivers/gpu/drm/vkms/vkms_plane.c
+++ b/drivers/gpu/drm/vkms/vkms_plane.c
@@ -19,6 +19,22 @@ static const struct drm_plane_funcs vkms_plane_funcs = {
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
+static int vkms_plane_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ return 0;
+}
+
+static void vkms_primary_plane_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
+{
+}
+
+static const struct drm_plane_helper_funcs vkms_primary_helper_funcs = {
+ .atomic_check = vkms_plane_atomic_check,
+ .atomic_update = vkms_primary_plane_update,
+};
+
struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev)
{
struct drm_device *dev = &vkmsdev->drm;
@@ -42,5 +58,7 @@ struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev)
return ERR_PTR(ret);
}
+ drm_plane_helper_add(plane, &vkms_primary_helper_funcs);
+
return plane;
}
--
2.18.0
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