[Intel-gfx] [PATCH igt] lib/igt_draw: move to the GTT domain before using GTT mmaps

Paulo Zanoni przanoni at gmail.com
Thu Jun 25 08:53:19 PDT 2015


From: Paulo Zanoni <paulo.r.zanoni at intel.com>

With this, we don't need to worry about what happened to the buffer
before.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni at intel.com>
---
 lib/igt_draw.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/igt_draw.c b/lib/igt_draw.c
index 51dce4b..fb9294d 100644
--- a/lib/igt_draw.c
+++ b/lib/igt_draw.c
@@ -262,6 +262,9 @@ static void draw_rect_mmap_gtt(int fd, struct buf_data *buf, struct rect *rect,
 {
 	uint32_t *ptr;
 
+	gem_set_domain(fd, buf->handle, I915_GEM_DOMAIN_GTT,
+		       I915_GEM_DOMAIN_GTT);
+
 	ptr = gem_mmap__gtt(fd, buf->handle, buf->size, PROT_READ | PROT_WRITE);
 	igt_assert(ptr);
 
@@ -276,6 +279,8 @@ static void draw_rect_mmap_wc(int fd, struct buf_data *buf, struct rect *rect,
 	uint32_t *ptr;
 	uint32_t tiling, swizzle;
 
+	gem_set_domain(fd, buf->handle, I915_GEM_DOMAIN_GTT,
+		       I915_GEM_DOMAIN_GTT);
 	gem_get_tiling(fd, buf->handle, &tiling, &swizzle);
 
 	/* We didn't implement suport for the older tiling methods yet. */
-- 
2.1.4



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