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Merge tag 'drm-intel-fixes-2020-09-24' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes

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drm/i915 fixes for v5.9-rc7:
- Fix selftest reference to stack data out of scope
- Fix GVT null pointer dereference
- Backmerge from Linus' master to fix build

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87zh5fpmha.fsf@intel.com
This commit is contained in:
Dave Airlie 2020-09-25 11:07:01 +10:00
commit f3231a02aa
2 changed files with 10 additions and 8 deletions
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6
drivers/gpu/drm/i915/gvt/vgpu.c
View File

@ -368,6 +368,7 @@ void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu)
static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
struct intel_vgpu_creation_params *param)
{
struct drm_i915_private *dev_priv = gvt->gt->i915;
struct intel_vgpu *vgpu;
int ret;
@ -436,7 +437,10 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
if (ret)
goto out_clean_sched_policy;
ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D);
if (IS_BROADWELL(dev_priv))
ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_B);
else
ret = intel_gvt_hypervisor_set_edid(vgpu, PORT_D);
if (ret)
goto out_clean_sched_policy;

12
drivers/gpu/drm/i915/selftests/mock_gem_device.c
View File

@ -118,11 +118,11 @@ static struct dev_pm_domain pm_domain = {
struct drm_i915_private *mock_gem_device(void)
{
#if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU)
static struct dev_iommu fake_iommu = { .priv = (void *)-1 };
#endif
struct drm_i915_private *i915;
struct pci_dev *pdev;
#if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU)
struct dev_iommu iommu;
#endif
int err;
pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
@ -141,10 +141,8 @@ struct drm_i915_private *mock_gem_device(void)
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
pci_set_drvdata(pdev, i915);