diff options
| author |   Matt Roper <matthew.d.roper@intel.com> | 2022-09-06 16:49:28 -0700 |
|---|---|---|
| committer |   Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2022-09-12 15:23:12 +0300 |
| commit | cfb0fa4241257b73f2a074f2563af9a8704b1b08 (patch) | |
| tree | 3aca79b424d8a96aa481298dbabfb5fd2700e53b | |
| parent | drm/i915: Use a DRM-managed action to release the PCI bridge device (diff) | |
| download | wireguard-linux-cfb0fa4241257b73f2a074f2563af9a8704b1b08.tar.xz wireguard-linux-cfb0fa4241257b73f2a074f2563af9a8704b1b08.zip | |
drm/i915: Initialize MMIO access for each GT
In a multi-GT system we need to initialize MMIO access for each GT, not
just the primary GT.
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220906234934.3655440-9-matthew.d.roper@intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_driver.c | 27 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.h | 3 |
3 files changed, 24 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 16beae1a1ead..d513ee690dc3 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -431,7 +431,8 @@ static void i915_driver_late_release(struct drm_i915_private *dev_priv) */ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) { - int ret; + struct intel_gt *gt; + int ret, i; if (i915_inject_probe_failure(dev_priv)) return -ENODEV; @@ -440,17 +441,27 @@ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) if (ret < 0) return ret; - ret = intel_uncore_init_mmio(&dev_priv->uncore); - if (ret) - return ret; + for_each_gt(gt, dev_priv, i) { + ret = intel_uncore_init_mmio(gt->uncore); + if (ret) + return ret; + + ret = drmm_add_action_or_reset(&dev_priv->drm, + intel_uncore_fini_mmio, + gt->uncore); + if (ret) + return ret; + } /* Try to make sure MCHBAR is enabled before poking at it */ intel_setup_mchbar(dev_priv); intel_device_info_runtime_init(dev_priv); - ret = intel_gt_init_mmio(to_gt(dev_priv)); - if (ret) - goto err_uncore; + for_each_gt(gt, dev_priv, i) { + ret = intel_gt_init_mmio(gt); + if (ret) + goto err_uncore; + } /* As early as possible, scrub existing GPU state before clobbering */ sanitize_gpu(dev_priv); @@ -459,7 +470,6 @@ static int i915_driver_mmio_probe(struct drm_i915_private *dev_priv) err_uncore: intel_teardown_mchbar(dev_priv); - intel_uncore_fini_mmio(&dev_priv->uncore); return ret; } @@ -471,7 +481,6 @@ err_uncore: static void i915_driver_mmio_release(struct drm_i915_private *dev_priv) { intel_teardown_mchbar(dev_priv); - intel_uncore_fini_mmio(&dev_priv->uncore); } /** diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index c180d9514740..dda82b06914d 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -2455,8 +2455,11 @@ void intel_uncore_prune_engine_fw_domains(struct intel_uncore *uncore, } } -void intel_uncore_fini_mmio(struct intel_uncore *uncore) +/* Called via drm-managed action */ +void intel_uncore_fini_mmio(struct drm_device *dev, void *data) { + struct intel_uncore *uncore = data; + if (intel_uncore_has_forcewake(uncore)) { iosf_mbi_punit_acquire(); iosf_mbi_unregister_pmic_bus_access_notifier_unlocked( diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h index 6100d0f4498a..4acb78a03233 100644 --- a/drivers/gpu/drm/i915/intel_uncore.h +++ b/drivers/gpu/drm/i915/intel_uncore.h @@ -33,6 +33,7 @@ #include "i915_reg_defs.h" +struct drm_device; struct drm_i915_private; struct intel_runtime_pm; struct intel_uncore; @@ -220,7 +221,7 @@ void intel_uncore_prune_engine_fw_domains(struct intel_uncore *uncore, bool intel_uncore_unclaimed_mmio(struct intel_uncore *uncore); bool intel_uncore_arm_unclaimed_mmio_detection(struct intel_uncore *uncore); void intel_uncore_cleanup_mmio(struct intel_uncore *uncore); -void intel_uncore_fini_mmio(struct intel_uncore *uncore); +void intel_uncore_fini_mmio(struct drm_device *dev, void *data); void intel_uncore_suspend(struct intel_uncore *uncore); void intel_uncore_resume_early(struct intel_uncore *uncore); void intel_uncore_runtime_resume(struct intel_uncore *uncore); |