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drm/i915: Capture PCI revision and subsytem details in error state

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Revision id along with device id is useful in better identification of the HW
and its limitations so include this detail in error state.

v2: make it clear that it is PCI revision and We might as well dump PCI
subsystem details while we update this (Ville, Chris).

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1454001521-7701-1-git-send-email-arun.siluvery@linux.intel.com
This commit is contained in:
Arun Siluvery 2016-01-28 17:18:41 +00:00 committed by Daniel Vetter
parent 1b39a917a9
commit 06e6ff8f10
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/i915_gpu_error.c
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@ -365,6 +365,10 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
err_printf(m, "Reset count: %u\n", error->reset_count);
err_printf(m, "Suspend count: %u\n", error->suspend_count);
err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device);
err_printf(m, "PCI Revision: 0x%02x\n", dev->pdev->revision);
err_printf(m, "PCI Subsystem: %04x:%04x\n",
dev->pdev->subsystem_vendor,
dev->pdev->subsystem_device);
err_printf(m, "IOMMU enabled?: %d\n", error->iommu);
if (HAS_CSR(dev)) {