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drm fixes for 5.9-rc7

Browse source 
dma-buf:
 - Single null pointer deref fix for dma-buf
 
 i915:
 - Fix selftest reference to stack data out of scope
 - Fix GVT null pointer dereference
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Merge tag 'drm-fixes-2020-09-25' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Fairly quiet, a couple of i915 fixes, one dma-buf fix, one vc4 and two
  sun4i changes

  dma-buf:
   - Single null pointer deref fix

  i915:
   - Fix selftest reference to stack data out of scope
   - Fix GVT null pointer dereference

  vc4:
   - fill asoc card owner

  sun4i:
   - program secondary CSC correctly"

* tag 'drm-fixes-2020-09-25' of git://anongit.freedesktop.org/drm/drm:
  drm/i915/selftests: Push the fake iommu device from the stack to data
  dmabuf: fix NULL pointer dereference in dma_buf_release()
  drm/i915/gvt: Fix port number for BDW on EDID region setup
  drm/sun4i: mixer: Extend regmap max_register
  drm/sun4i: sun8i-csc: Secondary CSC register correction
  drm/vc4/vc4_hdmi: fill ASoC card owner
This commit is contained in:
Linus Torvalds 2020-09-25 09:41:57 -07:00
commit 574ec42e1a
6 changed files with 15 additions and 10 deletions
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2
drivers/dma-buf/dma-buf.c
View file

@ -59,6 +59,8 @@ static void dma_buf_release(struct dentry *dentry)
struct dma_buf *dmabuf;
dmabuf = dentry->d_fsdata;
if (unlikely(!dmabuf))
return;
BUG_ON(dmabuf->vmapping_counter);

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);

2
drivers/gpu/drm/sun4i/sun8i_csc.h
View file

@ -12,7 +12,7 @@ struct sun8i_mixer;
/* VI channel CSC units offsets */
#define CCSC00_OFFSET 0xAA050
#define CCSC01_OFFSET 0xFA000
#define CCSC01_OFFSET 0xFA050
#define CCSC10_OFFSET 0xA0000
#define CCSC11_OFFSET 0xF0000

2
drivers/gpu/drm/sun4i/sun8i_mixer.c
View file

@ -307,7 +307,7 @@ static struct regmap_config sun8i_mixer_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.max_register = 0xbfffc, /* guessed */
.max_register = 0xffffc, /* guessed */
};
static int sun8i_mixer_of_get_id(struct device_node *node)

1
drivers/gpu/drm/vc4/vc4_hdmi.c
View file

@ -1117,6 +1117,7 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
card->num_links = 1;
card->name = "vc4-hdmi";
card->dev = dev;
card->owner = THIS_MODULE;
/*
* Be careful, snd_soc_register_card() calls dev_set_drvdata() and