1 files changed, 23 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index 4ccb4be4c9cb..18250fb64bd8 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -18,6 +18,7 @@
 #include "intel_uc.h"
 
 #include "i915_drv.h"
+#include "i915_hwmon.h"
 
 static const struct intel_uc_ops uc_ops_off;
 static const struct intel_uc_ops uc_ops_on;
@@ -431,6 +432,9 @@ static bool uc_is_wopcm_locked(struct intel_uc *uc)
 
 static int __uc_check_hw(struct intel_uc *uc)
 {
+	if (uc->fw_table_invalid)
+		return -EIO;
+
 	if (!intel_uc_supports_guc(uc))
 		return 0;
 
@@ -461,6 +465,7 @@ static int __uc_init_hw(struct intel_uc *uc)
 	struct intel_guc *guc = &uc->guc;
 	struct intel_huc *huc = &uc->huc;
 	int ret, attempts;
+	bool pl1en = false;
 
 	GEM_BUG_ON(!intel_uc_supports_guc(uc));
 	GEM_BUG_ON(!intel_uc_wants_guc(uc));
@@ -491,6 +496,9 @@ static int __uc_init_hw(struct intel_uc *uc)
 	else
 		attempts = 1;
 
+	/* Disable a potentially low PL1 power limit to allow freq to be raised */
+	i915_hwmon_power_max_disable(gt->i915, &pl1en);
+
 	intel_rps_raise_unslice(&uc_to_gt(uc)->rps);
 
 	while (attempts--) {
@@ -500,7 +508,7 @@ static int __uc_init_hw(struct intel_uc *uc)
 		 */
 		ret = __uc_sanitize(uc);
 		if (ret)
-			goto err_out;
+			goto err_rps;
 
 		intel_huc_fw_upload(huc);
 		intel_guc_ads_reset(guc);
@@ -530,7 +538,7 @@ static int __uc_init_hw(struct intel_uc *uc)
 	if (intel_huc_is_loaded_by_gsc(huc))
 		intel_huc_update_auth_status(huc);
 	else
-		intel_huc_auth(huc);
+		intel_huc_auth(huc, INTEL_HUC_AUTH_BY_GUC);
 
 	if (intel_uc_uses_guc_submission(uc)) {
 		ret = intel_guc_submission_enable(guc);
@@ -547,6 +555,8 @@ static int __uc_init_hw(struct intel_uc *uc)
 		intel_rps_lower_unslice(&uc_to_gt(uc)->rps);
 	}
 
+	i915_hwmon_power_max_restore(gt->i915, pl1en);
+
 	guc_info(guc, "submission %s\n", str_enabled_disabled(intel_uc_uses_guc_submission(uc)));
 	guc_info(guc, "SLPC %s\n", str_enabled_disabled(intel_uc_uses_guc_slpc(uc)));
 
@@ -559,10 +569,12 @@ err_submission:
 	intel_guc_submission_disable(guc);
 err_log_capture:
 	__uc_capture_load_err_log(uc);
-err_out:
+err_rps:
 	/* Return GT back to RPn */
 	intel_rps_lower_unslice(&uc_to_gt(uc)->rps);
 
+	i915_hwmon_power_max_restore(gt->i915, pl1en);
+err_out:
 	__uc_sanitize(uc);
 
 	if (!ret) {
@@ -688,6 +700,12 @@ void intel_uc_suspend(struct intel_uc *uc)
 	}
 }
 
+static void __uc_resume_mappings(struct intel_uc *uc)
+{
+	intel_uc_fw_resume_mapping(&uc->guc.fw);
+	intel_uc_fw_resume_mapping(&uc->huc.fw);
+}
+
 static int __uc_resume(struct intel_uc *uc, bool enable_communication)
 {
 	struct intel_guc *guc = &uc->guc;
@@ -755,4 +773,6 @@ static const struct intel_uc_ops uc_ops_on = {
 
 	.init_hw = __uc_init_hw,
 	.fini_hw = __uc_fini_hw,
+
+	.resume_mappings = __uc_resume_mappings,
 };