From 5f5c382ecfdd06e17316d1c9f1362522c20cdfef Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat, 12 Oct 2019 10:10:56 +0100
Subject: drm/i915/perf: Prefer using the pinned_ctx for emitting delays on
config
Git-commit: 5f5c382ecfdd06e17316d1c9f1362522c20cdfef
Patch-mainline: v5.5-rc1
References: bsc#1152489
When we are watching a particular context, we want the OA config to be
applied inline with that context such that it takes effect before the
next submission.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191012091056.28686-1-chris@chris-wilson.co.uk
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/i915/i915_perf.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 74f50120c151..b4e2332d35cb 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1903,6 +1903,11 @@ static int emit_oa_config(struct i915_perf_stream *stream,
return err;
}
+static struct intel_context *oa_context(struct i915_perf_stream *stream)
+{
+ return stream->pinned_ctx ?: stream->engine->kernel_context;
+}
+
static int hsw_enable_metric_set(struct i915_perf_stream *stream)
{
struct intel_uncore *uncore = stream->uncore;
@@ -1922,7 +1927,7 @@ static int hsw_enable_metric_set(struct i915_perf_stream *stream)
intel_uncore_rmw(uncore, GEN6_UCGCTL1,
0, GEN6_CSUNIT_CLOCK_GATE_DISABLE);
- return emit_oa_config(stream, stream->engine->kernel_context);
+ return emit_oa_config(stream, oa_context(stream));
}
static void hsw_disable_metric_set(struct i915_perf_stream *stream)
@@ -2286,7 +2291,7 @@ static int gen8_enable_metric_set(struct i915_perf_stream *stream)
if (ret)
return ret;
- return emit_oa_config(stream, stream->engine->kernel_context);
+ return emit_oa_config(stream, oa_context(stream));
}
static void gen8_disable_metric_set(struct i915_perf_stream *stream)
--
2.28.0