[Intel-gfx] [PATCH i-g-t 04/43] igt_kms: Add a way to query of the plane supports rotation

[Damien Lespiau]

Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 lib/igt_kms.c |  7 +++++++
 lib/igt_kms.h | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 5c8a3cc..87f5109 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -592,6 +592,7 @@ void igt_display_init(igt_display_t *display, int drm_fd)
 		/* add the planes that can be used with that pipe */
 		for (j = 0; j < plane_resources->count_planes; j++) {
 			drmModePlane *drm_plane;
+			uint64_t prop_value;
 
 			drm_plane = drmModeGetPlane(display->drm_fd,
 						    plane_resources->planes[j]);
@@ -632,6 +633,12 @@ void igt_display_init(igt_display_t *display, int drm_fd)
 
 			plane->pipe = pipe;
 			plane->drm_plane = drm_plane;
+
+			get_plane_property(display, drm_plane->plane_id,
+					   "rotation",
+					   &plane->rotation_property,
+					   &prop_value);
+			plane->rotation = (igt_rotation_t)prop_value;
 		}
 
 		if (display->has_universal_planes) {
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 058114a..4f3474e 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -109,8 +109,10 @@ typedef struct {
 	/*< private >*/
 	igt_pipe_t *pipe;
 	int index;
+	/* capabilities */
 	unsigned int is_primary       : 1;
 	unsigned int is_cursor        : 1;
+	/* state tracking */
 	unsigned int fb_changed       : 1;
 	unsigned int position_changed : 1;
 	unsigned int panning_changed  : 1;
@@ -120,6 +122,9 @@ typedef struct {
 	 */
 	drmModePlane *drm_plane;
 	struct igt_fb *fb;
+
+	uint32_t rotation_property;
+
 	/* position within pipe_src_w x pipe_src_h */
 	int crtc_x, crtc_y;
 	/* panning offset within the fb */
@@ -171,6 +176,11 @@ drmModeModeInfo *igt_output_get_mode(igt_output_t *output);
 void igt_output_set_pipe(igt_output_t *output, enum pipe pipe);
 igt_plane_t *igt_output_get_plane(igt_output_t *output, enum igt_plane plane);
 
+static inline bool igt_plane_supports_rotation(igt_plane_t *plane)
+{
+	return plane->rotation_property != 0;
+}
+
 void igt_plane_set_fb(igt_plane_t *plane, struct igt_fb *fb);
 void igt_plane_set_position(igt_plane_t *plane, int x, int y);
 void igt_plane_set_panning(igt_plane_t *plane, int x, int y);
-- 
1.8.3.1