summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_uc.h
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2016-12-24 20:31:46 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2016-12-28 12:15:48 +0100
commit4741da925fa3e5acdd4da154f4803dad383e882f (patch)
tree75127e590f6d486a90415b911077a9b2cf67ee4f /drivers/gpu/drm/i915/intel_uc.h
parentdrm/i915: Update DRIVER_DATE to 20161226 (diff)
downloadlinux-4741da925fa3e5acdd4da154f4803dad383e882f.tar.xz
linux-4741da925fa3e5acdd4da154f4803dad383e882f.zip
drm/i915/guc: Assert that all GGTT offsets used by the GuC are mappable
Add an assertion to the plain i915_ggtt_offset() to double check that any offset we hand to the GuC is outside of its unmappable ranges. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20161224193146.4402-1-chris@chris-wilson.co.uk Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_uc.h')
-rw-r--r--drivers/gpu/drm/i915/intel_uc.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 11f56082b363..d556215e691f 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -28,6 +28,8 @@
#include "i915_guc_reg.h"
#include "intel_ringbuffer.h"
+#include "i915_vma.h"
+
struct drm_i915_gem_request;
/*
@@ -198,4 +200,11 @@ void i915_guc_register(struct drm_i915_private *dev_priv);
void i915_guc_unregister(struct drm_i915_private *dev_priv);
int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val);
+static inline u32 guc_ggtt_offset(struct i915_vma *vma)
+{
+ u32 offset = i915_ggtt_offset(vma);
+ GEM_BUG_ON(offset < GUC_WOPCM_TOP);
+ return offset;
+}
+
#endif