From: Daniel Vetter Date: Sun, 25 Mar 2012 17:47:38 +0000 (+0200) Subject: drm/i915: fall back to shmem pwrite when the buffer is not accessible X-Git-Tag: v3.6-rc1~59^2~115^2~59 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ffc62976d215870e3082d9778660167c5fa3946d;p=platform%2Fkernel%2Flinux-stable.git drm/i915: fall back to shmem pwrite when the buffer is not accessible It's too expensive to move it around just for that pwrite, especially when we're trashing on the mappable gtt part like crazy. Tested-by: Chris Wilson Reviewed-by: Chris Wilson Signed-Off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 83dfb44..7f33e6a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -771,6 +771,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, if (obj->gtt_space && obj->cache_level == I915_CACHE_NONE && + obj->map_and_fenceable && obj->base.write_domain != I915_GEM_DOMAIN_CPU) { ret = i915_gem_gtt_pwrite_fast(dev, obj, args, file); /* Note that the gtt paths might fail with non-page-backed user