1 files changed, 28 insertions, 12 deletions

diff --git a/drivers/gpu/drm/i915/intel_uc.c b/drivers/gpu/drm/i915/intel_uc.c
index b34c318b238d..25b80ffe71ad 100644
--- a/drivers/gpu/drm/i915/intel_uc.c
+++ b/drivers/gpu/drm/i915/intel_uc.c
@@ -26,6 +26,7 @@
 #include "intel_guc_submission.h"
 #include "intel_guc.h"
 #include "i915_drv.h"
+#include "i915_reset.h"
 
 static void guc_free_load_err_log(struct intel_guc *guc);
 
@@ -71,7 +72,7 @@ static int __get_default_guc_log_level(struct drm_i915_private *i915)
 {
 	int guc_log_level;
 
-	if (!HAS_GUC(i915) || !intel_uc_is_using_guc())
+	if (!HAS_GUC(i915) || !intel_uc_is_using_guc(i915))
 		guc_log_level = GUC_LOG_LEVEL_DISABLED;
 	else if (IS_ENABLED(CONFIG_DRM_I915_DEBUG) ||
 		 IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
@@ -112,11 +113,11 @@ static void sanitize_options_early(struct drm_i915_private *i915)
 
 	DRM_DEBUG_DRIVER("enable_guc=%d (submission:%s huc:%s)\n",
 			 i915_modparams.enable_guc,
-			 yesno(intel_uc_is_using_guc_submission()),
-			 yesno(intel_uc_is_using_huc()));
+			 yesno(intel_uc_is_using_guc_submission(i915)),
+			 yesno(intel_uc_is_using_huc(i915)));
 
 	/* Verify GuC firmware availability */
-	if (intel_uc_is_using_guc() && !intel_uc_fw_is_selected(guc_fw)) {
+	if (intel_uc_is_using_guc(i915) && !intel_uc_fw_is_selected(guc_fw)) {
 		DRM_WARN("Incompatible option detected: %s=%d, %s!\n",
 			 "enable_guc", i915_modparams.enable_guc,
 			 !HAS_GUC(i915) ? "no GuC hardware" :
@@ -124,7 +125,7 @@ static void sanitize_options_early(struct drm_i915_private *i915)
 	}
 
 	/* Verify HuC firmware availability */
-	if (intel_uc_is_using_huc() && !intel_uc_fw_is_selected(huc_fw)) {
+	if (intel_uc_is_using_huc(i915) && !intel_uc_fw_is_selected(huc_fw)) {
 		DRM_WARN("Incompatible option detected: %s=%d, %s!\n",
 			 "enable_guc", i915_modparams.enable_guc,
 			 !HAS_HUC(i915) ? "no HuC hardware" :
@@ -136,7 +137,7 @@ static void sanitize_options_early(struct drm_i915_private *i915)
 		i915_modparams.guc_log_level =
 			__get_default_guc_log_level(i915);
 
-	if (i915_modparams.guc_log_level > 0 && !intel_uc_is_using_guc()) {
+	if (i915_modparams.guc_log_level > 0 && !intel_uc_is_using_guc(i915)) {
 		DRM_WARN("Incompatible option detected: %s=%d, %s!\n",
 			 "guc_log_level", i915_modparams.guc_log_level,
 			 !HAS_GUC(i915) ? "no GuC hardware" :
@@ -331,8 +332,6 @@ void intel_uc_sanitize(struct drm_i915_private *i915)
 
 	GEM_BUG_ON(!HAS_GUC(i915));
 
-	guc_disable_communication(guc);
-
 	intel_huc_sanitize(huc);
 	intel_guc_sanitize(guc);
 
@@ -354,7 +353,7 @@ int intel_uc_init_hw(struct drm_i915_private *i915)
 
 	/* WaEnableuKernelHeaderValidFix:skl */
 	/* WaEnableGuCBootHashCheckNotSet:skl,bxt,kbl */
-	if (IS_GEN9(i915))
+	if (IS_GEN(i915, 9))
 		attempts = 3;
 	else
 		attempts = 1;
@@ -376,7 +375,7 @@ int intel_uc_init_hw(struct drm_i915_private *i915)
 
 		intel_guc_init_params(guc);
 		ret = intel_guc_fw_upload(guc);
-		if (ret == 0 || ret != -ETIMEDOUT)
+		if (ret == 0)
 			break;
 
 		DRM_DEBUG_DRIVER("GuC fw load failed: %d; will reset and "
@@ -450,6 +449,23 @@ void intel_uc_fini_hw(struct drm_i915_private *i915)
 	guc_disable_communication(guc);
 }
 
+/**
+ * intel_uc_reset_prepare - Prepare for reset
+ * @i915: device private
+ *
+ * Preparing for full gpu reset.
+ */
+void intel_uc_reset_prepare(struct drm_i915_private *i915)
+{
+	struct intel_guc *guc = &i915->guc;
+
+	if (!USES_GUC(i915))
+		return;
+
+	guc_disable_communication(guc);
+	intel_uc_sanitize(i915);
+}
+
 int intel_uc_suspend(struct drm_i915_private *i915)
 {
 	struct intel_guc *guc = &i915->guc;
@@ -467,7 +483,7 @@ int intel_uc_suspend(struct drm_i915_private *i915)
 		return err;
 	}
 
-	gen9_disable_guc_interrupts(i915);
+	guc_disable_communication(guc);
 
 	return 0;
 }
@@ -483,7 +499,7 @@ int intel_uc_resume(struct drm_i915_private *i915)
 	if (guc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS)
 		return 0;
 
-	gen9_enable_guc_interrupts(i915);
+	guc_enable_communication(guc);
 
 	err = intel_guc_resume(guc);
 	if (err) {