drm/i915/uc: WOPCM programming errors are not always real

WOPCM programming error might be due to inserted earlier probe
failure that could affects HuC firmware loading and thus impacts
result of WOPCM partitioning that would be now incompatible with
previously programmed values.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190807170034.8440-7-michal.wajdeczko@intel.com

drivers/gpu/drm/i915/gt/uc/intel_uc.c

@@ -415,10 +415,12 @@ static int uc_init_wopcm(struct intel_uc *uc)
 	return 0;
 
 err_out:
-	DRM_ERROR("Failed to init uC WOPCM registers:\n");
-	DRM_ERROR("DMA_GUC_WOPCM_OFFSET=%#x\n",
+	i915_probe_error(gt->i915, "Failed to init uC WOPCM registers!\n");
+	i915_probe_error(gt->i915, "%s(%#x)=%#x\n", "DMA_GUC_WOPCM_OFFSET",
+			 i915_mmio_reg_offset(DMA_GUC_WOPCM_OFFSET),
 			 intel_uncore_read(uncore, DMA_GUC_WOPCM_OFFSET));
-	DRM_ERROR("GUC_WOPCM_SIZE=%#x\n",
+	i915_probe_error(gt->i915, "%s(%#x)=%#x\n", "GUC_WOPCM_SIZE",
+			 i915_mmio_reg_offset(GUC_WOPCM_SIZE),
 			 intel_uncore_read(uncore, GUC_WOPCM_SIZE));
 
 	return err;