From: Dave Airlie <airlied@redhat.com>
Date: Tue, 22 Sep 2020 23:49:48 +0000 (+1000)
Subject: Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc... 
X-Git-Tag: v5.10-rc1~123^2~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6ea6be77086f23d4b346c9946dae24593befda2e;p=thirdparty%2Fkernel%2Flinux.git

Merge tag 'drm-misc-next-2020-09-21' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.10:

UAPI Changes:

Cross-subsystem Changes:
  - virtio: Merged a PR for patches that will affect drm/virtio

Core Changes:
  - dev: More devm_drm convertions and removal of drm_dev_init
  - atomic: Split out drm_atomic_helper_calc_timestamping_constants of
    drm_atomic_helper_update_legacy_modeset_state
  - ttm: More rework

Driver Changes:
  - i915: selftests improvements
  - panfrost: support for Amlogic SoC
  - vc4: one fix
  - tree-wide: conversions to devm_drm_dev_alloc,
  - ast: simplifications of the atomic modesetting code
  - panfrost: multiple fixes
  - vc4: multiple fixes
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200921152956.2gxnsdgxmwhvjyut@gilmour.lan
---

6ea6be77086f23d4b346c9946dae24593befda2e
diff --cc drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 397c313a8b692,c207d22397916..b6c42fd872ade
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@@ -118,12 -116,11 +116,11 @@@ static struct dev_pm_domain pm_domain 
  
  struct drm_i915_private *mock_gem_device(void)
  {
 -	struct drm_i915_private *i915;
 -	struct pci_dev *pdev;
  #if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU)
 -	struct dev_iommu iommu;
 +	static struct dev_iommu fake_iommu = { .priv = (void *)-1 };
  #endif
 +	struct drm_i915_private *i915;
 +	struct pci_dev *pdev;
- 	int err;
  
  	pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
  	if (!pdev)
@@@ -141,11 -132,28 +132,26 @@@
  	dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
  
  #if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU)
 -	/* HACK HACK HACK to disable iommu for the fake device; force identity mapping */
 -	memset(&iommu, 0, sizeof(iommu));
 -	iommu.priv = (void *)-1;
 -	pdev->dev.iommu = &iommu;
 +	/* HACK to disable iommu for the fake device; force identity mapping */
 +	pdev->dev.iommu = &fake_iommu;
  #endif
+ 	if (!devres_open_group(&pdev->dev, NULL, GFP_KERNEL)) {
+ 		put_device(&pdev->dev);
+ 		return NULL;
+ 	}
+ 
+ 	i915 = devm_drm_dev_alloc(&pdev->dev, &mock_driver,
+ 				  struct drm_i915_private, drm);
+ 	if (IS_ERR(i915)) {
+ 		pr_err("Failed to allocate mock GEM device: err=%ld\n", PTR_ERR(i915));
+ 		devres_release_group(&pdev->dev, NULL);
+ 		put_device(&pdev->dev);
+ 
+ 		return NULL;
+ 	}
  
  	pci_set_drvdata(pdev, i915);
+ 	i915->drm.pdev = pdev;
  
  	dev_pm_domain_set(&pdev->dev, &pm_domain);
  	pm_runtime_enable(&pdev->dev);