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| author |   Thomas Zimmermann <tzimmermann@suse.de> | 2022-11-05 16:02:42 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-11-05 16:08:36 +0100 |
| commit | 8e4e4c2f53ffcb0ef746dc3b87ce1a57c5c94c7d (patch) | |
| tree | a61fbc998223d50f8b8691b9b9ced38c21072b10 /drivers/gpu/drm/i915/intel_runtime_pm.c | |
| parent | drm/ofdrm: Cast error pointers to void __iomem * (diff) | |
| parent | Merge tag 'drm-intel-gt-next-2022-11-03' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff) | |
| download | wireguard-linux-8e4e4c2f53ffcb0ef746dc3b87ce1a57c5c94c7d.tar.xz wireguard-linux-8e4e4c2f53ffcb0ef746dc3b87ce1a57c5c94c7d.zip | |
Merge drm/drm-next into drm-misc-next
Backmerging drm/drm-next to get the latest changes in the xlnx driver.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 6ed5786bcd29..129746713d07 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -591,8 +591,15 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm) pm_runtime_use_autosuspend(kdev); } - /* Enable by default */ - pm_runtime_allow(kdev); + /* + * FIXME: Temp hammer to keep autosupend disable on lmem supported platforms. + * As per PCIe specs 5.3.1.4.1, all iomem read write request over a PCIe + * function will be unsupported in case PCIe endpoint function is in D3. + * Let's keep i915 autosuspend control 'on' till we fix all known issue + * with lmem access in D3. + */ + if (!IS_DGFX(i915)) + pm_runtime_allow(kdev); /* * The core calls the driver load handler with an RPM reference held. @@ -626,6 +633,8 @@ void intel_runtime_pm_driver_release(struct intel_runtime_pm *rpm) runtime_pm); int count = atomic_read(&rpm->wakeref_count); + intel_wakeref_auto_fini(&rpm->userfault_wakeref); + drm_WARN(&i915->drm, count, "i915 raw-wakerefs=%d wakelocks=%d on cleanup\n", intel_rpm_raw_wakeref_count(count), @@ -645,4 +654,7 @@ void intel_runtime_pm_init_early(struct intel_runtime_pm *rpm) rpm->available = HAS_RUNTIME_PM(i915); init_intel_runtime_pm_wakeref(rpm); + INIT_LIST_HEAD(&rpm->lmem_userfault_list); + spin_lock_init(&rpm->lmem_userfault_lock); + intel_wakeref_auto_init(&rpm->userfault_wakeref, rpm); } |