In a few places, we repeat a call to clear a pointer to a vma whilst
unpinning and releasing a reference to its owner. Refactor those into a
common function.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 12 ++++++++++++
drivers/gpu/drm/i915/i915_gem_gtt.h | 1 +
drivers/gpu/drm/i915/i915_guc_submission.c | 21 ++++-----------------
drivers/gpu/drm/i915/intel_engine_cs.c | 9 +--------
drivers/gpu/drm/i915/intel_lrc.c | 9 +--------
drivers/gpu/drm/i915/intel_ringbuffer.c | 8 +-------
6 files changed, 20 insertions(+), 40 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 738a474c5afa..d15eb1d71341 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3674,3 +3674,15 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma)
__i915_vma_pin(vma);
return ptr;
}
+
+void i915_vma_unpin_and_release(struct i915_vma **p_vma)
+{
+ struct i915_vma *vma;
+
+ vma = fetch_and_zero(p_vma);
+ if (!vma)
+ return;
+
+ i915_vma_unpin(vma);
+ i915_vma_put(vma);
+}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index a2691943a404..ec538fcc9c20 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -232,6 +232,7 @@ struct i915_vma *
i915_vma_create(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
const struct i915_ggtt_view *view);
+void i915_vma_unpin_and_release(struct i915_vma **p_vma);
static inline bool i915_vma_is_ggtt(const struct i915_vma *vma)
{
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index c40b92e212fa..e7dbc64ec1da 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -653,19 +653,6 @@ err:
return vma;
}
-/**
- * guc_release_vma() - Release gem object allocated for GuC usage
- * @vma: gem obj to be released
- */
-static void guc_release_vma(struct i915_vma *vma)
-{
- if (!vma)
- return;
-
- i915_vma_unpin(vma);
- i915_vma_put(vma);
-}
-
static void
guc_client_free(struct drm_i915_private *dev_priv,
struct i915_guc_client *client)
@@ -690,7 +677,7 @@ guc_client_free(struct drm_i915_private *dev_priv,
kunmap(kmap_to_page(client->client_base));
}
- guc_release_vma(client->vma);
+ i915_vma_unpin_and_release(&client->vma);
if (client->ctx_index != GUC_INVALID_CTX_ID) {
guc_fini_ctx_desc(guc, client);
@@ -1048,12 +1035,12 @@ void i915_guc_submission_fini(struct drm_i915_private *dev_priv)
{
struct intel_guc *guc = &dev_priv->guc;
- guc_release_vma(fetch_and_zero(&guc->ads_vma));
- guc_release_vma(fetch_and_zero(&guc->log_vma));
+ i915_vma_unpin_and_release(&guc->ads_vma);
+ i915_vma_unpin_and_release(&guc->log_vma);
if (guc->ctx_pool_vma)
ida_destroy(&guc->ctx_ids);
- guc_release_vma(fetch_and_zero(&guc->ctx_pool_vma));
+ i915_vma_unpin_and_release(&guc->ctx_pool_vma);
}
/**
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 573f642a74f8..f02d66bbec4b 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -279,14 +279,7 @@ err_unref:
static void intel_engine_cleanup_scratch(struct intel_engine_cs *engine)
{
- struct i915_vma *vma;
-
- vma = fetch_and_zero(&engine->scratch);
- if (!vma)
- return;
-
- i915_vma_unpin(vma);
- i915_vma_put(vma);
+ i915_vma_unpin_and_release(&engine->scratch);
}
/**
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 64cb04e63512..2673fb4f817b 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1193,14 +1193,7 @@ err:
static void lrc_destroy_wa_ctx_obj(struct intel_engine_cs *engine)
{
- struct i915_vma *vma;
-
- vma = fetch_and_zero(&engine->wa_ctx.vma);
- if (!vma)
- return;
-
- i915_vma_unpin(vma);
- i915_vma_put(vma);
+ i915_vma_unpin_and_release(&engine->wa_ctx.vma);
}
static int intel_init_workaround_bb(struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 30b066140b0c..65ef172e8761 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1257,14 +1257,8 @@ static int init_render_ring(struct intel_engine_cs *engine)
static void render_ring_cleanup(struct intel_engine_cs *engine)
{
struct drm_i915_private *dev_priv = engine->i915;
- struct i915_vma *vma;
-
- vma = fetch_and_zero(&dev_priv->semaphore);
- if (!vma)
- return;
- i915_vma_unpin(vma);
- i915_vma_put(vma);
+ i915_vma_unpin_and_release(&dev_priv->semaphore);
}
static int gen8_rcs_signal(struct drm_i915_gem_request *req)
--
2.8.1
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