[Intel-gfx] [PATCH 3/5] drm/i915: Add dmc firmware version to error state

[Mika Kuoppala]

We have had one case where buggy csr/dmc firmware version influenced
gt side and caused a hang. Add dmc firmware version to error state.

Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
---
 drivers/gpu/drm/i915/i915_gpu_error.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 3379f9c..fef708d 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -366,6 +366,8 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
 	err_printf(m, "Suspend count: %u\n", error->suspend_count);
 	err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device);
 	err_printf(m, "IOMMU enabled?: %d\n", error->iommu);
+	err_printf(m, "DMC fw: %u.%u\n", dev_priv->csr.dmc_ver_major,
+		   dev_priv->csr.dmc_ver_minor);
 	err_printf(m, "EIR: 0x%08x\n", error->eir);
 	err_printf(m, "IER: 0x%08x\n", error->ier);
 	if (INTEL_INFO(dev)->gen >= 8) {
-- 
2.1.4