src: add universal plane support

Add universal plane support to the common drm implementation - this
gets all planes and plane properties from the kernel for overlay
planes, and stores the primary plane ID in our CRTC structure.

Signed-off-by: Russell King <rmk@armlinux.org.uk>

1 files changed, 16 insertions, 0 deletions

diff --git a/src/common_drm.h b/src/common_drm.h
index 537c88d..62cbd17 100644
--- a/src/common_drm.h
+++ b/src/common_drm.h
@@ -17,6 +17,7 @@ struct common_crtc_info {
 	int drm_fd;
 	unsigned num;
 	drmModeCrtcPtr mode_crtc;
+	uint32_t primary_plane_id;
 	void *cursor_data;
 	uint32_t cursor_handle;
 	uint32_t rotate_fb_id;
@@ -35,6 +36,11 @@ struct drm_udev_info {
 	CloseScreenProcPtr CloseScreen;
 };
 
+struct common_drm_plane {
+	drmModePlanePtr mode_plane;
+	drmModeObjectPropertiesPtr mode_props;
+};
+
 struct common_drm_info {
 	int fd;
 	struct common_drm_device *dev;
@@ -61,6 +67,11 @@ struct common_drm_info {
 	struct drm_udev_info udev;
 #endif
 
+	Bool has_universal_planes;
+	void *plane_property_hash;
+	unsigned int num_overlay_planes;
+	struct common_drm_plane *overlay_planes;
+
 	OptionInfoPtr Options;
 	CloseScreenProcPtr CloseScreen;
 
@@ -99,6 +110,11 @@ void common_drm_crtc_shadow_destroy(xf86CrtcPtr crtc);
 Bool common_drm_init_mode_resources(ScrnInfoPtr pScrn,
 	const xf86CrtcFuncsRec *funcs);
 
+drmModePropertyPtr common_drm_plane_get_property(ScrnInfoPtr pScrn,
+	uint32_t prop_id);
+void common_drm_cleanup_plane_resources(ScrnInfoPtr pScrn);
+Bool common_drm_init_plane_resources(ScrnInfoPtr pScrn);
+
 Bool common_drm_flip(ScrnInfoPtr pScrn, PixmapPtr pixmap,
 	struct common_drm_event *event, xf86CrtcPtr ref_crtc);
 void common_drm_flip_pixmap(ScreenPtr pScreen, PixmapPtr a, PixmapPtr b);