diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-07-02 23:16:04 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-07-04 17:13:47 +0100 |
| commit | 3f80f7edb8c511b94e66159cd59ba9362c3f69a2 (patch) | |
| tree | 12012a7aa448aa52cfa4af24f58249b7d284307e | |
| parent | f91ee24b2dabb48288d6e81dcdd82191f158e312 (diff) | |
sna: Manually set to the GTT domain for mmap
...since the kernel no longer does strict coherency.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/kgem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/sna/kgem.c b/src/sna/kgem.c index 38cf582c..40f35bd4 100644 --- a/src/sna/kgem.c +++ b/src/sna/kgem.c @@ -120,6 +120,7 @@ static int gem_set_tiling(int fd, uint32_t handle, int tiling, int stride) static void *gem_mmap(int fd, uint32_t handle, int size, int prot) { struct drm_i915_gem_mmap_gtt mmap_arg; + struct drm_i915_gem_set_domain set_domain; void *ptr; DBG(("%s(handle=%d, size=%d, prot=%s)\n", __FUNCTION__, @@ -137,6 +138,11 @@ static void *gem_mmap(int fd, uint32_t handle, int size, int prot) ptr = NULL; } + set_domain.handle = handle; + set_domain.read_domains = I915_GEM_DOMAIN_GTT; + set_domain.write_domain = prot & PROT_WRITE ? I915_GEM_DOMAIN_GTT : 0; + drmIoctl(fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, &set_domain); + return ptr; } |