[PATCH 6/8] drm/i915/dmc: abstract GPU error state dump

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Only intel_dmc.c should be accessing dmc details directly.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_dmc.c | 15 +++++++++++++++
 drivers/gpu/drm/i915/display/intel_dmc.h |  3 +++
 drivers/gpu/drm/i915/i915_gpu_error.c    | 10 +---------
 3 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 8dfa2aa9f8bd..86d48029d488 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -811,6 +811,21 @@ void intel_dmc_ucode_fini(struct drm_i915_private *dev_priv)
 		kfree(dev_priv->dmc.dmc_info[id].payload);
 }
 
+void intel_dmc_print_error_state(struct drm_i915_error_state_buf *m,
+				 struct drm_i915_private *i915)
+{
+	struct intel_dmc *dmc = &i915->dmc;
+
+	if (!HAS_DMC(i915))
+		return;
+
+	i915_error_printf(m, "DMC loaded: %s\n",
+			  str_yes_no(intel_dmc_has_payload(i915)));
+	i915_error_printf(m, "DMC fw version: %d.%d\n",
+			  DMC_VERSION_MAJOR(dmc->version),
+			  DMC_VERSION_MINOR(dmc->version));
+}
+
 static int intel_dmc_debugfs_status_show(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *i915 = m->private;
diff --git a/drivers/gpu/drm/i915/display/intel_dmc.h b/drivers/gpu/drm/i915/display/intel_dmc.h
index b9f608057700..dd8880d2cbed 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.h
+++ b/drivers/gpu/drm/i915/display/intel_dmc.h
@@ -10,6 +10,7 @@
 #include "intel_wakeref.h"
 #include <linux/workqueue.h>
 
+struct drm_i915_error_state_buf;
 struct drm_i915_private;
 
 #define DMC_VERSION(major, minor)	((major) << 16 | (minor))
@@ -55,6 +56,8 @@ void intel_dmc_ucode_suspend(struct drm_i915_private *i915);
 void intel_dmc_ucode_resume(struct drm_i915_private *i915);
 bool intel_dmc_has_payload(struct drm_i915_private *i915);
 void intel_dmc_debugfs_register(struct drm_i915_private *i915);
+void intel_dmc_print_error_state(struct drm_i915_error_state_buf *m,
+				 struct drm_i915_private *i915);
 
 void assert_dmc_loaded(struct drm_i915_private *i915);
 
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index a8acc6fbb299..fb3baf4af792 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -825,15 +825,7 @@ static void __err_print_to_sgl(struct drm_i915_error_state_buf *m,
 
 	err_printf(m, "IOMMU enabled?: %d\n", error->iommu);
 
-	if (HAS_DMC(m->i915)) {
-		struct intel_dmc *dmc = &m->i915->dmc;
-
-		err_printf(m, "DMC loaded: %s\n",
-			   str_yes_no(intel_dmc_has_payload(m->i915) != 0));
-		err_printf(m, "DMC fw version: %d.%d\n",
-			   DMC_VERSION_MAJOR(dmc->version),
-			   DMC_VERSION_MINOR(dmc->version));
-	}
+	intel_dmc_print_error_state(m, m->i915);
 
 	err_printf(m, "RPM wakelock: %s\n", str_yes_no(error->wakelock));
 	err_printf(m, "PM suspended: %s\n", str_yes_no(error->suspended));
-- 
2.30.2




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