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authorDave Airlie <airlied@redhat.com>2016-02-05 14:48:36 +1000
committerDave Airlie <airlied@redhat.com>2016-02-05 14:48:36 +1000
commitc745884b30f96348f83ce59caf6798d8085daa77 (patch)
tree9b66b24a73e1bbbbed9db685913e6ce32f7c6fc3 /include
parentec71f1284ae4bb8e2cee27c3931449187a14fe68 (diff)
parent6357b75a5c356a9d8f91c614ab72ac5264a5932c (diff)
downloadlinux-c745884b30f96348f83ce59caf6798d8085daa77.tar.bz2
Merge branch 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
- fix and enable iceland/topaz support - handle WC on platforms that don't support it * 'drm-fixes-4.5' of git://people.freedesktop.org/~agd5f/linux: drm/amdgpu: disable uvd and vce clockgating on Fiji drm/amdgpu: remove exp hardware support from iceland drm/amdgpu: load MEC ucode manually on iceland drm/amdgpu: don't load MEC2 on topaz drm/amdgpu: drop topaz support from gmc8 module drm/amdgpu: pull topaz gmc bits into gmc_v7 drm/amdgpu: The VI specific EXE bit should only apply to GMC v8.0 above drm/amdgpu: iceland use CI based MC IP drm/amdgpu: move gmc7 support out of CIK dependency drm/amdgpu/gfx7: enable cp inst/reg error interrupts drm/amdgpu/gfx8: enable cp inst/reg error interrupts drm/amdgpu: mask out WC from BO on unsupported arches drm/radeon: mask out WC from BO on unsupported arches drm: add helper to check for wc memory support drm/amdgpu: no need to load MC firmware on fiji
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_cache.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
index 7bfb063029d8..461a0558bca4 100644
--- a/include/drm/drm_cache.h
+++ b/include/drm/drm_cache.h
@@ -35,4 +35,13 @@
void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
+static inline bool drm_arch_can_wc_memory(void)
+{
+#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
+ return false;
+#else
+ return true;
+#endif
+}
+
#endif