From: Lucas De Marchi <lucas.demar...@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demar...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.c | 40 ++++++++++++++++++++++-----------
1 file changed, 27 insertions(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c8af68227020..b7d40a9c00bf 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -68,6 +68,7 @@
#include "gt/intel_gt.h"
#include "gt/intel_gt_pm.h"
#include "gt/intel_rc6.h"
+#include "gt/intel_gt_requests.h"
#include "i915_debugfs.h"
#include "i915_drv.h"
@@ -1088,10 +1089,36 @@ static bool suspend_to_idle(struct drm_i915_private
*dev_priv)
return false;
}
+static int i915_gem_suspend_ppgtt_mappings(struct drm_i915_private *i915);
+
+static int intel_dmem_evict_buffers(struct drm_device *dev, bool in_suspend,
+ bool perma_pin);
+
static int i915_drm_prepare(struct drm_device *dev)
{
struct drm_i915_private *i915 = to_i915(dev);
+ if (HAS_LMEM(i915)) {
+ struct intel_gt *gt= &i915->gt;
+ long timeout = I915_GEM_IDLE_TIMEOUT;
+ int ret;
+
+ if (intel_gt_wait_for_idle(gt, timeout) == -ETIME) {
+ intel_gt_set_wedged(gt);
+ intel_gt_retire_requests(gt);
+ }
+
+ ret = intel_dmem_evict_buffers(dev, true, false);
+ if (ret)
+ return ret;
+
+ i915_teardown_blt_windows(i915);
+
+ ret = i915_gem_suspend_ppgtt_mappings(i915);
+ if (ret)
+ return ret;
+ }
+
/*
* NB intel_display_suspend() may issue new requests after we've
* ostensibly marked the GPU as ready-to-sleep here. We need to
@@ -1274,7 +1301,6 @@ static int i915_drm_suspend(struct drm_device *dev)
struct drm_i915_private *dev_priv = to_i915(dev);
struct pci_dev *pdev = dev_priv->drm.pdev;
pci_power_t opregion_target_state;
- int ret = 0;
disable_rpm_wakeref_asserts(&dev_priv->runtime_pm);
@@ -1290,18 +1316,6 @@ static int i915_drm_suspend(struct drm_device *dev)
intel_dp_mst_suspend(dev_priv);
- if (HAS_LMEM(dev_priv)) {
- ret = intel_dmem_evict_buffers(dev, true, false);
- if (ret)
- return ret;
-
- i915_teardown_blt_windows(dev_priv);
-
- ret = i915_gem_suspend_ppgtt_mappings(dev_priv);
- if (ret)
- return ret;
- }
-
intel_runtime_pm_disable_interrupts(dev_priv);
intel_hpd_cancel_work(dev_priv);
--
2.26.2
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