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authorTakashi Iwai <tiwai@suse.de>2019-09-10 14:03:08 +0300
committerTakashi Iwai <tiwai@suse.de>2019-09-10 14:03:08 +0300
commit7711fb7dac1ab77fd1b4d948f4647a569e4a1ae2 (patch)
treedd35ad21e0eb13572757dab279ae41f6d953baed /drivers/gpu/drm/i915/gt/intel_gt_pm.c
parent789492f0c86505e63369907bcb1afdf52dec9366 (diff)
parentbb831786117519fc16dfd3eaa7b84e4f6bbb8d99 (diff)
downloadlinux-7711fb7dac1ab77fd1b4d948f4647a569e4a1ae2.tar.xz
Merge tag 'asoc-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v5.4 Quite a big update this time around, particularly in the core where we've had a lot of cleanups from Morimoto-san - there's not much functional change but quite a bit of modernization going on. We've also seen a lot of driver work, a lot of it cleanups but also some particular drivers. - Lots and lots of cleanups from Morimoto-san and Yue Haibing. - Lots of cleanups and enhancements to the Freescale, sunxi dnd Intel rivers. - Initial Sound Open Firmware suppot for i.MX8. - Removal of w90x900 and nuc900 drivers as the platforms are being removed. - New support for Cirrus Logic CS47L15 and CS47L92, Freescale i.MX 7ULP and 8MQ, Meson G12A and NXP UDA1334
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_gt_pm.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_gt_pm.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 7b5967751762..9f8f7f54191f 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -5,6 +5,7 @@
*/
#include "i915_drv.h"
+#include "intel_engine_pm.h"
#include "intel_gt_pm.h"
#include "intel_pm.h"
#include "intel_wakeref.h"
@@ -118,10 +119,11 @@ void intel_gt_sanitize(struct drm_i915_private *i915, bool force)
intel_engine_reset(engine, false);
}
-void intel_gt_resume(struct drm_i915_private *i915)
+int intel_gt_resume(struct drm_i915_private *i915)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ int err = 0;
/*
* After resume, we may need to poke into the pinned kernel
@@ -129,9 +131,12 @@ void intel_gt_resume(struct drm_i915_private *i915)
* Only the kernel contexts should remain pinned over suspend,
* allowing us to fixup the user contexts on their first pin.
*/
+ intel_gt_pm_get(i915);
for_each_engine(engine, i915, id) {
struct intel_context *ce;
+ intel_engine_pm_get(engine);
+
ce = engine->kernel_context;
if (ce)
ce->ops->reset(ce);
@@ -139,5 +144,19 @@ void intel_gt_resume(struct drm_i915_private *i915)
ce = engine->preempt_context;
if (ce)
ce->ops->reset(ce);
+
+ engine->serial++; /* kernel context lost */
+ err = engine->resume(engine);
+
+ intel_engine_pm_put(engine);
+ if (err) {
+ dev_err(i915->drm.dev,
+ "Failed to restart %s (%d)\n",
+ engine->name, err);
+ break;
+ }
}
+ intel_gt_pm_put(i915);
+
+ return err;
}