[v3,3/4] drm/i915/perf: pass stream to vfuncs when possible

Commit Message

Lionel Landwerlin Oct. 15, 2018, 3:59 p.m. UTC

We want to use some of the properties of the perf stream to program
the hardware in a later commit.

v2: Pass only perf stream as argument (Matthew)

Signed-off-by: Lionel Landwerlin <[e-mail]>
Reviewed-by: Matthew Auld <[e-mail]>
---
 drivers/gpu/drm/i915/i915_drv.h  |  7 +++---
 drivers/gpu/drm/i915/i915_perf.c | 43 +++++++++++++++++++-------------
 2 files changed, 28 insertions(+), 22 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index eef7c811bd8f..65eaac2d7e3c 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1535,8 +1535,7 @@  struct i915_oa_ops {
 	 * counter reports being sampled. May apply system constraints such as
 	 * disabling EU clock gating as required.
 	 */
-	int (*enable_metric_set)(struct drm_i915_private *dev_priv,
-				 const struct i915_oa_config *oa_config);
+	int (*enable_metric_set)(struct i915_perf_stream *stream);
 
 	/**
 	 * @disable_metric_set: Remove system constraints associated with using
@@ -1547,12 +1546,12 @@  struct i915_oa_ops {
 	/**
 	 * @oa_enable: Enable periodic sampling
 	 */
-	void (*oa_enable)(struct drm_i915_private *dev_priv);
+	void (*oa_enable)(struct i915_perf_stream *stream);
 
 	/**
 	 * @oa_disable: Disable periodic sampling
 	 */
-	void (*oa_disable)(struct drm_i915_private *dev_priv);
+	void (*oa_disable)(struct i915_perf_stream *stream);
 
 	/**
 	 * @read: Copy data from the circular OA buffer into a given userspace
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 14f7d03aabcf..88f3f9b6a353 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -890,8 +890,8 @@  static int gen8_oa_read(struct i915_perf_stream *stream,
 		DRM_DEBUG("OA buffer overflow (exponent = %d): force restart\n",
 			  dev_priv->perf.oa.period_exponent);
 
-		dev_priv->perf.oa.ops.oa_disable(dev_priv);
-		dev_priv->perf.oa.ops.oa_enable(dev_priv);
+		dev_priv->perf.oa.ops.oa_disable(stream);
+		dev_priv->perf.oa.ops.oa_enable(stream);
 
 		/*
 		 * Note: .oa_enable() is expected to re-init the oabuffer and
@@ -1114,8 +1114,8 @@  static int gen7_oa_read(struct i915_perf_stream *stream,
 		DRM_DEBUG("OA buffer overflow (exponent = %d): force restart\n",
 			  dev_priv->perf.oa.period_exponent);
 
-		dev_priv->perf.oa.ops.oa_disable(dev_priv);
-		dev_priv->perf.oa.ops.oa_enable(dev_priv);
+		dev_priv->perf.oa.ops.oa_disable(stream);
+		dev_priv->perf.oa.ops.oa_enable(stream);
 
 		oastatus1 = I915_READ(GEN7_OASTATUS1);
 	}
@@ -1563,9 +1563,11 @@  static void config_oa_regs(struct drm_i915_private *dev_priv,
 	}
 }
 
-static int hsw_enable_metric_set(struct drm_i915_private *dev_priv,
-				 const struct i915_oa_config *oa_config)
+static int hsw_enable_metric_set(struct i915_perf_stream *stream)
 {
+	struct drm_i915_private *dev_priv = stream->dev_priv;
+	const struct i915_oa_config *oa_config = stream->oa_config;
+
 	/* PRM:
 	 *
 	 * OA unit is using “crclk” for its functionality. When trunk
@@ -1767,9 +1769,10 @@  static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv,
 	return 0;
 }
 
-static int gen8_enable_metric_set(struct drm_i915_private *dev_priv,
-				  const struct i915_oa_config *oa_config)
+static int gen8_enable_metric_set(struct i915_perf_stream *stream)
 {
+	struct drm_i915_private *dev_priv = stream->dev_priv;
+	const struct i915_oa_config *oa_config = stream->oa_config;
 	int ret;
 
 	/*
@@ -1837,10 +1840,10 @@  static void gen10_disable_metric_set(struct drm_i915_private *dev_priv)
 		   I915_READ(RPM_CONFIG1) & ~GEN10_GT_NOA_ENABLE);
 }
 
-static void gen7_oa_enable(struct drm_i915_private *dev_priv)
+static void gen7_oa_enable(struct i915_perf_stream *stream)
 {
-	struct i915_gem_context *ctx =
-			dev_priv->perf.oa.exclusive_stream->ctx;
+	struct drm_i915_private *dev_priv = stream->dev_priv;
+	struct i915_gem_context *ctx = stream->ctx;
 	u32 ctx_id = dev_priv->perf.oa.specific_ctx_id;
 	bool periodic = dev_priv->perf.oa.periodic;
 	u32 period_exponent = dev_priv->perf.oa.period_exponent;
@@ -1867,8 +1870,9 @@  static void gen7_oa_enable(struct drm_i915_private *dev_priv)
 		   GEN7_OACONTROL_ENABLE);
 }
 
-static void gen8_oa_enable(struct drm_i915_private *dev_priv)
+static void gen8_oa_enable(struct i915_perf_stream *stream)
 {
+	struct drm_i915_private *dev_priv = stream->dev_priv;
 	u32 report_format = dev_priv->perf.oa.oa_buffer.format;
 
 	/*
@@ -1905,7 +1909,7 @@  static void i915_oa_stream_enable(struct i915_perf_stream *stream)
 {
 	struct drm_i915_private *dev_priv = stream->dev_priv;
 
-	dev_priv->perf.oa.ops.oa_enable(dev_priv);
+	dev_priv->perf.oa.ops.oa_enable(stream);
 
 	if (dev_priv->perf.oa.periodic)
 		hrtimer_start(&dev_priv->perf.oa.poll_check_timer,
@@ -1913,8 +1917,10 @@  static void i915_oa_stream_enable(struct i915_perf_stream *stream)
 			      HRTIMER_MODE_REL_PINNED);
 }
 
-static void gen7_oa_disable(struct drm_i915_private *dev_priv)
+static void gen7_oa_disable(struct i915_perf_stream *stream)
 {
+	struct drm_i915_private *dev_priv = stream->dev_priv;
+
 	I915_WRITE(GEN7_OACONTROL, 0);
 	if (intel_wait_for_register(dev_priv,
 				    GEN7_OACONTROL, GEN7_OACONTROL_ENABLE, 0,
@@ -1922,8 +1928,10 @@  static void gen7_oa_disable(struct drm_i915_private *dev_priv)
 		DRM_ERROR("wait for OA to be disabled timed out\n");
 }
 
-static void gen8_oa_disable(struct drm_i915_private *dev_priv)
+static void gen8_oa_disable(struct i915_perf_stream *stream)
 {
+	struct drm_i915_private *dev_priv = stream->dev_priv;
+
 	I915_WRITE(GEN8_OACONTROL, 0);
 	if (intel_wait_for_register(dev_priv,
 				    GEN8_OACONTROL, GEN8_OA_COUNTER_ENABLE, 0,
@@ -1943,7 +1951,7 @@  static void i915_oa_stream_disable(struct i915_perf_stream *stream)
 {
 	struct drm_i915_private *dev_priv = stream->dev_priv;
 
-	dev_priv->perf.oa.ops.oa_disable(dev_priv);
+	dev_priv->perf.oa.ops.oa_disable(stream);
 
 	if (dev_priv->perf.oa.periodic)
 		hrtimer_cancel(&dev_priv->perf.oa.poll_check_timer);
@@ -2092,8 +2100,7 @@  static int i915_oa_stream_init(struct i915_perf_stream *stream,
 	if (ret)
 		goto err_lock;
 
-	ret = dev_priv->perf.oa.ops.enable_metric_set(dev_priv,
-						      stream->oa_config);
+	ret = dev_priv->perf.oa.ops.enable_metric_set(stream);
 	if (ret) {
 		DRM_DEBUG("Unable to enable metric set\n");
 		goto err_enable;