[igt-dev] [PATCH v3 7/8] lib/igt_draw: Fix igt_draw_fill_fb() on platforms w/o aperture

[Imre Deak]

Draw through a WC mapping on platforms w/o a GTT aperture.

v2:
- Use WC instead of CPU mapping. (Ashutosh)

Cc: Matt Roper <matthew.d.roper at intel.com>
Cc: Ashutosh Dixit <ashutosh.dixit at intel.com>
Signed-off-by: Imre Deak <imre.deak at intel.com>
Reviewed-by: Matt Roper <matthew.d.roper at intel.com> (v1)
---
 lib/igt_draw.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/igt_draw.c b/lib/igt_draw.c
index fa8ab5620..f2340127f 100644
--- a/lib/igt_draw.c
+++ b/lib/igt_draw.c
@@ -728,6 +728,8 @@ void igt_draw_rect_fb(int fd, drm_intel_bufmgr *bufmgr,
  */
 void igt_draw_fill_fb(int fd, struct igt_fb *fb, uint32_t color)
 {
-	igt_draw_rect_fb(fd, NULL, NULL, fb, IGT_DRAW_MMAP_GTT,
+	igt_draw_rect_fb(fd, NULL, NULL, fb,
+			 gem_has_mappable_ggtt(fd) ? IGT_DRAW_MMAP_GTT :
+						     IGT_DRAW_MMAP_WC,
 			 0, 0, fb->width, fb->height, color);
 }
-- 
2.23.1