If a buffer object is dumb, call DRM_IOCTL_MODE_MAP_DUMB when mapping
it. Also, don't call DRM_IOCTL_I915_GEM_SET_DOMAIN on dumb buffers.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
lib/igt_fb.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index 3e76a419b3ee..cd1605308308 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -984,7 +984,20 @@ static void destroy_cairo_surface__gtt(void *arg)
static void create_cairo_surface__gtt(int fd, struct igt_fb *fb)
{
- void *ptr = gem_mmap__gtt(fd, fb->gem_handle, fb->size, PROT_READ | PROT_WRITE);
+ void *ptr;
+
+ if (fb->is_dumb) {
+ struct drm_mode_map_dumb arg = {};
+
+ arg.handle = fb->gem_handle;
+
+ do_ioctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg);
+
+ ptr = mmap(0, fb->size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, arg.offset);
+ igt_assert(ptr != MAP_FAILED);
+ } else
+ ptr = gem_mmap__gtt(fd, fb->gem_handle, fb->size,
+ PROT_READ | PROT_WRITE);
fb->cairo_surface =
cairo_image_surface_create_for_data(ptr,
@@ -1006,8 +1019,9 @@ static cairo_surface_t *get_cairo_surface(int fd, struct igt_fb *fb)
create_cairo_surface__gtt(fd, fb);
}
- gem_set_domain(fd, fb->gem_handle,
- I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
+ if (!fb->is_dumb)
+ gem_set_domain(fd, fb->gem_handle, I915_GEM_DOMAIN_CPU,
+ I915_GEM_DOMAIN_CPU);
igt_assert(cairo_surface_status(fb->cairo_surface) == CAIRO_STATUS_SUCCESS);
return fb->cairo_surface;
--
2.5.0
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