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author | Takashi Iwai <tiwai@suse.de> | 2019-09-10 14:03:08 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2019-09-10 14:03:08 +0300 |
commit | 7711fb7dac1ab77fd1b4d948f4647a569e4a1ae2 (patch) | |
tree | dd35ad21e0eb13572757dab279ae41f6d953baed /drivers/gpu/drm/i915/gt/intel_gt_pm.c | |
parent | 789492f0c86505e63369907bcb1afdf52dec9366 (diff) | |
parent | bb831786117519fc16dfd3eaa7b84e4f6bbb8d99 (diff) | |
download | linux-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.c | 21 |
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; } |