diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2022-09-06 16:49:27 -0700 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2022-09-12 15:23:12 +0300 |
| commit | 6438452de4412785636e803aff58fa2e857dc6f2 (patch) | |
| tree | adb69df3380563692a50d647888dc3531338b56b | |
| parent | 4ecd56fdad5681c7c89483c26b5130977ace9fa2 (diff) | |
drm/i915: Use a DRM-managed action to release the PCI bridge device
As we start supporting multiple uncore structures in future patches, the
MMIO cleanup (which may also get called mid-init if there's a failure)
will become more complicated. Moving to DRM-managed actions will help
keep things simple.
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220906234934.3655440-8-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 | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c index 135b9aec3b0f..16beae1a1ead 100644 --- a/drivers/gpu/drm/i915/i915_driver.c +++ b/drivers/gpu/drm/i915/i915_driver.c @@ -105,6 +105,12 @@ static const char irst_name[] = "INT3392"; static const struct drm_driver i915_drm_driver; +static void i915_release_bridge_dev(struct drm_device *dev, + void *bridge) +{ + pci_dev_put(bridge); +} + static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) { int domain = pci_domain_nr(to_pci_dev(dev_priv->drm.dev)->bus); @@ -115,7 +121,9 @@ static int i915_get_bridge_dev(struct drm_i915_private *dev_priv) drm_err(&dev_priv->drm, "bridge device not found\n"); return -EIO; } - return 0; + + return drmm_add_action_or_reset(&dev_priv->drm, i915_release_bridge_dev, + dev_priv->bridge_dev); } /* Allocate space for the MCH regs if needed, return nonzero on error */ @@ -452,7 +460,6 @@ 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); - pci_dev_put(dev_priv->bridge_dev); return ret; } @@ -465,7 +472,6 @@ static void i915_driver_mmio_release(struct drm_i915_private *dev_priv) { intel_teardown_mchbar(dev_priv); intel_uncore_fini_mmio(&dev_priv->uncore); - pci_dev_put(dev_priv->bridge_dev); } /** |