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Merge tag 'drm-intel-next-fixes-2023-07-06' of git://anongit.freedesk…
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…top.org/drm/drm-intel into drm-next

- Fix BDW PSR AUX CH data register offsets [psr] (Ville Syrjälä)
- Use mock device info for creating mock device (Jani Nikula)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZKZ6VIeInBYrBuph@tursulin-desk
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Dave Airlie committed Jul 7, 2023
2 parents 5874d11 + f6cf388 commit bd10668
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Showing 2 changed files with 25 additions and 22 deletions.
2 changes: 1 addition & 1 deletion drivers/gpu/drm/i915/display/intel_psr_regs.h
Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@

#define _SRD_AUX_DATA_A 0x60814
#define _SRD_AUX_DATA_EDP 0x6f814
#define EDP_PSR_AUX_DATA(tran, i) _MMIO_TRANS2(tran, _SRD_AUX_DATA_A + (i) + 4) /* 5 registers */
#define EDP_PSR_AUX_DATA(tran, i) _MMIO_TRANS2(tran, _SRD_AUX_DATA_A + (i) * 4) /* 5 registers */

#define _SRD_STATUS_A 0x60840
#define _SRD_STATUS_EDP 0x6f840
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45 changes: 24 additions & 21 deletions drivers/gpu/drm/i915/selftests/mock_gem_device.c
Original file line number Diff line number Diff line change
Expand Up @@ -118,15 +118,31 @@ static void mock_gt_probe(struct drm_i915_private *i915)
i915->gt[0]->name = "Mock GT";
}

static const struct intel_device_info mock_info = {
.__runtime.graphics.ip.ver = -1,
.__runtime.page_sizes = (I915_GTT_PAGE_SIZE_4K |
I915_GTT_PAGE_SIZE_64K |
I915_GTT_PAGE_SIZE_2M),
.__runtime.memory_regions = REGION_SMEM,
.__runtime.platform_engine_mask = BIT(0),

/* simply use legacy cache level for mock device */
.max_pat_index = 3,
.cachelevel_to_pat = {
[I915_CACHE_NONE] = 0,
[I915_CACHE_LLC] = 1,
[I915_CACHE_L3_LLC] = 2,
[I915_CACHE_WT] = 3,
},
};

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 intel_device_info *i915_info;
struct pci_dev *pdev;
unsigned int i;
int ret;

pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
Expand Down Expand Up @@ -159,37 +175,25 @@ struct drm_i915_private *mock_gem_device(void)

pci_set_drvdata(pdev, i915);

/* Device parameters start as a copy of module parameters. */
i915_params_copy(&i915->params, &i915_modparams);

/* Set up device info and initial runtime info. */
intel_device_info_driver_create(i915, pdev->device, &mock_info);

dev_pm_domain_set(&pdev->dev, &pm_domain);
pm_runtime_enable(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
if (pm_runtime_enabled(&pdev->dev))
WARN_ON(pm_runtime_get_sync(&pdev->dev));


i915_params_copy(&i915->params, &i915_modparams);

intel_runtime_pm_init_early(&i915->runtime_pm);
/* wakeref tracking has significant overhead */
i915->runtime_pm.no_wakeref_tracking = true;

/* Using the global GTT may ask questions about KMS users, so prepare */
drm_mode_config_init(&i915->drm);

RUNTIME_INFO(i915)->graphics.ip.ver = -1;

RUNTIME_INFO(i915)->page_sizes =
I915_GTT_PAGE_SIZE_4K |
I915_GTT_PAGE_SIZE_64K |
I915_GTT_PAGE_SIZE_2M;

RUNTIME_INFO(i915)->memory_regions = REGION_SMEM;

/* simply use legacy cache level for mock device */
i915_info = (struct intel_device_info *)INTEL_INFO(i915);
i915_info->max_pat_index = 3;
for (i = 0; i < I915_MAX_CACHE_LEVEL; i++)
i915_info->cachelevel_to_pat[i] = i;

intel_memory_regions_hw_probe(i915);

spin_lock_init(&i915->gpu_error.lock);
Expand Down Expand Up @@ -223,7 +227,6 @@ struct drm_i915_private *mock_gem_device(void)
mock_init_ggtt(to_gt(i915));
to_gt(i915)->vm = i915_vm_get(&to_gt(i915)->ggtt->vm);

RUNTIME_INFO(i915)->platform_engine_mask = BIT(0);
to_gt(i915)->info.engine_mask = BIT(0);

to_gt(i915)->engine[RCS0] = mock_engine(i915, "mock", RCS0);
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