[Intel-gfx] [PATCH 5/5] drm/i915/gt: Apply sanitiization just before resume
Chris Wilson
chris at chris-wilson.co.uk
Thu Dec 26 00:57:01 UTC 2019
Bring sanitization completely underneath the umbrella of intel_gt, and
perform it exclusively after suspend and before the next resume.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_gt.c | 2 --
drivers/gpu/drm/i915/gt/intel_gt_pm.c | 15 +++------------
drivers/gpu/drm/i915/gt/intel_gt_pm.h | 2 --
drivers/gpu/drm/i915/i915_drv.c | 2 --
drivers/gpu/drm/i915/selftests/i915_gem.c | 2 --
5 files changed, 3 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index e4f7cc7dd88a..8d5adac97b75 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -38,8 +38,6 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
void intel_gt_init_hw_early(struct intel_gt *gt, struct i915_ggtt *ggtt)
{
gt->ggtt = ggtt;
-
- intel_gt_sanitize(gt, false);
}
static void init_unused_ring(struct intel_gt *gt, u32 base)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 46a0aed2d5d5..bcd8a9806ed2 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -126,17 +126,7 @@ static bool reset_engines(struct intel_gt *gt)
return __intel_gt_reset(gt, ALL_ENGINES) == 0;
}
-/**
- * intel_gt_sanitize: called after the GPU has lost power
- * @gt: the i915 GT container
- * @force: ignore a failed reset and sanitize engine state anyway
- *
- * Anytime we reset the GPU, either with an explicit GPU reset or through a
- * PCI power cycle, the GPU loses state and we must reset our state tracking
- * to match. Note that calling intel_gt_sanitize() if the GPU has not
- * been reset results in much confusion!
- */
-void intel_gt_sanitize(struct intel_gt *gt, bool force)
+static void gt_sanitize(struct intel_gt *gt, bool force)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
@@ -201,6 +191,7 @@ int intel_gt_resume(struct intel_gt *gt)
intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL);
intel_rc6_sanitize(>->rc6);
+ gt_sanitize(gt, true);
/* Only when the HW is re-initialised, can we replay the requests */
err = intel_gt_init_hw(gt);
@@ -307,7 +298,7 @@ void intel_gt_suspend_late(struct intel_gt *gt)
intel_llc_disable(>->llc);
}
- intel_gt_sanitize(gt, false);
+ gt_sanitize(gt, false);
GT_TRACE(gt, "\n");
}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.h b/drivers/gpu/drm/i915/gt/intel_gt_pm.h
index 4a9e48c12bd4..60f0e2fbe55c 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.h
@@ -51,8 +51,6 @@ void intel_gt_pm_init_early(struct intel_gt *gt);
void intel_gt_pm_init(struct intel_gt *gt);
void intel_gt_pm_fini(struct intel_gt *gt);
-void intel_gt_sanitize(struct intel_gt *gt, bool force);
-
void intel_gt_suspend_prepare(struct intel_gt *gt);
void intel_gt_suspend_late(struct intel_gt *gt);
int intel_gt_resume(struct intel_gt *gt);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 59525094d0e3..9f75e03368c4 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1817,8 +1817,6 @@ static int i915_drm_resume(struct drm_device *dev)
disable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
- intel_gt_sanitize(&dev_priv->gt, true);
-
ret = i915_ggtt_enable_hw(dev_priv);
if (ret)
DRM_ERROR("failed to re-enable GGTT\n");
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c
index b37fc53973cc..78f36faf2bbe 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem.c
@@ -124,8 +124,6 @@ static void pm_resume(struct drm_i915_private *i915)
* that runtime-pm just works.
*/
with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
- intel_gt_sanitize(&i915->gt, false);
-
i915_gem_restore_gtt_mappings(i915);
i915_gem_restore_fences(&i915->ggtt);
--
2.24.1
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