diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-11-22 12:37:38 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-22 12:37:38 +0100 |
| commit | 02cb689b2c102178c83e763e4f34b3efe7f969e2 (patch) | |
| tree | cba7eb3f16487cef5dc4a2690686b1e2eb42af0c /drivers/gpu/drm/i915/i915_gem.c | |
| parent | 194a6b5b9cb6b91a5f7d86984165a3bc55188599 (diff) | |
| parent | 3b404a519815b9820f73f1ecf404e5546c9270ba (diff) | |
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 23960de81b57..91ab7e9d6d2e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1806,7 +1806,7 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf) /* Use a partial view if it is bigger than available space */ chunk_size = MIN_CHUNK_PAGES; if (i915_gem_object_is_tiled(obj)) - chunk_size = max(chunk_size, tile_row_pages(obj)); + chunk_size = roundup(chunk_size, tile_row_pages(obj)); memset(&view, 0, sizeof(view)); view.type = I915_GGTT_VIEW_PARTIAL; @@ -3543,8 +3543,22 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, if (view->type == I915_GGTT_VIEW_NORMAL) vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, PIN_MAPPABLE | PIN_NONBLOCK); - if (IS_ERR(vma)) - vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, 0); + if (IS_ERR(vma)) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); + unsigned int flags; + + /* Valleyview is definitely limited to scanning out the first + * 512MiB. Lets presume this behaviour was inherited from the + * g4x display engine and that all earlier gen are similarly + * limited. Testing suggests that it is a little more + * complicated than this. For example, Cherryview appears quite + * happy to scanout from anywhere within its global aperture. + */ + flags = 0; + if (HAS_GMCH_DISPLAY(i915)) + flags = PIN_MAPPABLE; + vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, flags); + } if (IS_ERR(vma)) goto err_unpin_display; |