On Mon, 10 Jun 2019 17:54:18 +0200, Tvrtko Ursulin
<tvrtko.ursulin@xxxxxxxxxxxxxxx> wrote:
From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reduces pointer chasing and gets more to the point.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Suggested-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
with small nit below
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 2 +-
drivers/gpu/drm/i915/intel_guc.c | 17 -----------------
drivers/gpu/drm/i915/intel_guc.h | 1 -
drivers/gpu/drm/i915/intel_wopcm.h | 17 +++++++++++++++++
4 files changed, 18 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 979305343ac3..e62041eb10b8 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2853,7 +2853,7 @@ int i915_gem_init_ggtt(struct drm_i915_private
*dev_priv)
* why.
*/
ggtt->pin_bias = max_t(u32, I915_GTT_PAGE_SIZE,
- intel_guc_reserved_gtt_size(&dev_priv->guc));
+ intel_wopcm_guc_size(&dev_priv->wopcm));
ret = intel_vgt_balloon(ggtt);
if (ret)
diff --git a/drivers/gpu/drm/i915/intel_guc.c
b/drivers/gpu/drm/i915/intel_guc.c
index 43232242d167..d45d97624402 100644
--- a/drivers/gpu/drm/i915/intel_guc.c
+++ b/drivers/gpu/drm/i915/intel_guc.c
@@ -686,23 +686,6 @@ struct i915_vma *intel_guc_allocate_vma(struct
intel_guc *guc, u32 size)
return vma;
}
-/**
- * intel_guc_reserved_gtt_size()
- * @guc: intel_guc structure
- *
- * The GuC WOPCM mapping shadows the lower part of the GGTT, so if we
are using
- * GuC we can't have any objects pinned in that region. This function
returns
- * the size of the shadowed region.
- *
- * Returns:
- * 0 if GuC is not present or not in use.
- * Otherwise, the GuC WOPCM size.
- */
-u32 intel_guc_reserved_gtt_size(struct intel_guc *guc)
-{
- return guc_to_i915(guc)->wopcm.guc.size;
-}
-
int intel_guc_reserve_ggtt_top(struct intel_guc *guc)
{
struct drm_i915_private *i915 = guc_to_i915(guc);
diff --git a/drivers/gpu/drm/i915/intel_guc.h
b/drivers/gpu/drm/i915/intel_guc.h
index e07e4c69cf08..85c3b02a0c08 100644
--- a/drivers/gpu/drm/i915/intel_guc.h
+++ b/drivers/gpu/drm/i915/intel_guc.h
@@ -172,7 +172,6 @@ int intel_guc_auth_huc(struct intel_guc *guc, u32
rsa_offset);
int intel_guc_suspend(struct intel_guc *guc);
int intel_guc_resume(struct intel_guc *guc);
struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32
size);
-u32 intel_guc_reserved_gtt_size(struct intel_guc *guc);
int intel_guc_reserve_ggtt_top(struct intel_guc *guc);
void intel_guc_release_ggtt_top(struct intel_guc *guc);
diff --git a/drivers/gpu/drm/i915/intel_wopcm.h
b/drivers/gpu/drm/i915/intel_wopcm.h
index 6298910a384c..1c32d449fc10 100644
--- a/drivers/gpu/drm/i915/intel_wopcm.h
+++ b/drivers/gpu/drm/i915/intel_wopcm.h
@@ -24,6 +24,23 @@ struct intel_wopcm {
} guc;
};
+/**
+ * intel_wopcm_guc_size()
+ * @wopcm: intel_wopcm structure
+ *
+ * The GuC WOPCM mapping shadows the lower part of the GGTT, so if we
are using
+ * GuC we can't have any objects pinned in that region.
maybe we can drop above sentence is we already have something similar
as comment in i915_gem_init_ggtt ? pin/GGTT doesn't fit here.
This function returns
+ * the size of the shadowed region.
+ *
+ * Returns:
+ * 0 if GuC is not present or not in use.
+ * Otherwise, the GuC WOPCM size.
+ */
+static inline u32 intel_wopcm_guc_size(struct intel_wopcm *wopcm)
+{
+ return wopcm->guc.size;
+}
+
void intel_wopcm_init_early(struct intel_wopcm *wopcm);
int intel_wopcm_init(struct intel_wopcm *wopcm);
int intel_wopcm_init_hw(struct intel_wopcm *wopcm);
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