[i-g-t,v3,2/4] lib/igt_kms: Fix plane counting in igt_display_init.

Commit Message

Robert Foss April 25, 2016, 3:05 p.m. UTC

From: Robert Foss <[e-mail]>

Fix issue where the plane counting fails due to the number and
configuration of planes being unlike the intel configuration.

Signed-off-by: Robert Foss <[e-mail]>
---
 lib/igt_kms.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

Patch

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 36ecd4a..5751913 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -1289,6 +1289,7 @@  void igt_display_init(igt_display_t *display, int drm_fd)
 		igt_plane_t *plane;
 		int p = IGT_PLANE_2;
 		int j, type;
+		uint8_t n_planes = 0;
 
 		pipe->crtc_id = resources->crtcs[i];
 		pipe->display = display;
@@ -1336,8 +1337,10 @@  void igt_display_init(igt_display_t *display, int drm_fd)
 				break;
 			}
 
+			n_planes++;
 			plane->pipe = pipe;
 			plane->drm_plane = drm_plane;
+
 			if (is_atomic == 0) {
 				display->is_atomic = 1;
 				igt_atomic_fill_plane_props(display, plane, IGT_NUM_PLANE_PROPS, igt_plane_prop_names);
@@ -1386,8 +1389,7 @@  void igt_display_init(igt_display_t *display, int drm_fd)
 			plane->is_cursor = true;
 		}
 
-		/* planes = 1 primary, (p-1) sprites, 1 cursor */
-		pipe->n_planes = p + 1;
+		pipe->n_planes = n_planes;
 
 		/* make sure we don't overflow the plane array */
 		igt_assert(pipe->n_planes <= IGT_MAX_PLANES);