[Intel-gfx] [CI 05/21] drm/i915: Reorder submitting the requests to ELSP
Chris Wilson
chris at chris-wilson.co.uk
Fri Sep 9 11:00:45 UTC 2016
Just rearrange the code to reduce churn in the next patch.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>
---
drivers/gpu/drm/i915/intel_lrc.c | 76 ++++++++++++++++++++--------------------
1 file changed, 38 insertions(+), 38 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index a6b9033203e5..7bb743f79d18 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -328,32 +328,18 @@ uint64_t intel_lr_context_descriptor(struct i915_gem_context *ctx,
return ctx->engine[engine->id].lrc_desc;
}
-static void execlists_elsp_write(struct drm_i915_gem_request *rq0,
- struct drm_i915_gem_request *rq1)
+static inline void
+execlists_context_status_change(struct drm_i915_gem_request *rq,
+ unsigned long status)
{
- struct intel_engine_cs *engine = rq0->engine;
- struct drm_i915_private *dev_priv = rq0->i915;
- u32 __iomem *elsp =
- dev_priv->regs + i915_mmio_reg_offset(RING_ELSP(engine));
- u64 desc[2];
-
- if (rq1) {
- desc[1] = intel_lr_context_descriptor(rq1->ctx, rq1->engine);
- rq1->elsp_submitted++;
- } else {
- desc[1] = 0;
- }
-
- desc[0] = intel_lr_context_descriptor(rq0->ctx, rq0->engine);
- rq0->elsp_submitted++;
-
- /* You must always write both descriptors in the order below. */
- writel(upper_32_bits(desc[1]), elsp);
- writel(lower_32_bits(desc[1]), elsp);
+ /*
+ * Only used when GVT-g is enabled now. When GVT-g is disabled,
+ * The compiler should eliminate this function as dead-code.
+ */
+ if (!IS_ENABLED(CONFIG_DRM_I915_GVT))
+ return;
- writel(upper_32_bits(desc[0]), elsp);
- /* The context is automatically loaded after the following */
- writel(lower_32_bits(desc[0]), elsp);
+ atomic_notifier_call_chain(&rq->ctx->status_notifier, status, rq);
}
static void
@@ -382,6 +368,34 @@ static void execlists_update_context(struct drm_i915_gem_request *rq)
execlists_update_context_pdps(ppgtt, reg_state);
}
+static void execlists_elsp_write(struct drm_i915_gem_request *rq0,
+ struct drm_i915_gem_request *rq1)
+{
+ struct intel_engine_cs *engine = rq0->engine;
+ struct drm_i915_private *dev_priv = rq0->i915;
+ u32 __iomem *elsp =
+ dev_priv->regs + i915_mmio_reg_offset(RING_ELSP(engine));
+ u64 desc[2];
+
+ if (rq1) {
+ desc[1] = intel_lr_context_descriptor(rq1->ctx, rq1->engine);
+ rq1->elsp_submitted++;
+ } else {
+ desc[1] = 0;
+ }
+
+ desc[0] = intel_lr_context_descriptor(rq0->ctx, rq0->engine);
+ rq0->elsp_submitted++;
+
+ /* You must always write both descriptors in the order below. */
+ writel(upper_32_bits(desc[1]), elsp);
+ writel(lower_32_bits(desc[1]), elsp);
+
+ writel(upper_32_bits(desc[0]), elsp);
+ /* The context is automatically loaded after the following */
+ writel(lower_32_bits(desc[0]), elsp);
+}
+
static void execlists_elsp_submit_contexts(struct drm_i915_gem_request *rq0,
struct drm_i915_gem_request *rq1)
{
@@ -402,20 +416,6 @@ static void execlists_elsp_submit_contexts(struct drm_i915_gem_request *rq0,
spin_unlock_irq(&dev_priv->uncore.lock);
}
-static inline void execlists_context_status_change(
- struct drm_i915_gem_request *rq,
- unsigned long status)
-{
- /*
- * Only used when GVT-g is enabled now. When GVT-g is disabled,
- * The compiler should eliminate this function as dead-code.
- */
- if (!IS_ENABLED(CONFIG_DRM_I915_GVT))
- return;
-
- atomic_notifier_call_chain(&rq->ctx->status_notifier, status, rq);
-}
-
static void execlists_unqueue(struct intel_engine_cs *engine)
{
struct drm_i915_gem_request *req0 = NULL, *req1 = NULL;
--
2.9.3
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