diff mbox series

[5.12,055/296] drm/amd/pm: correct MGpuFanBoost setting

Message ID 20210531130705.684165457@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH May 31, 2021, 1:11 p.m. UTC 
From: Evan Quan <evan.quan@amd.com>

commit 1a0b713c73688c6bafbe6faf8c90390b11b26fc6 upstream.

No MGpuFanBoost setting for those ASICs which do not support it.
Otherwise, it may breaks their fan control feature.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1580

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c         |    9 +++++++++
 drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c |   10 ++++++++++
 2 files changed, 19 insertions(+)
diff mbox series

Patch

--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
@@ -2366,6 +2366,8 @@  static ssize_t navi10_get_gpu_metrics(st
 
 static int navi10_enable_mgpu_fan_boost(struct smu_context *smu)
 {
+	struct smu_table_context *table_context = &smu->smu_table;
+	PPTable_t *smc_pptable = table_context->driver_pptable;
 	struct amdgpu_device *adev = smu->adev;
 	uint32_t param = 0;
 
@@ -2373,6 +2375,13 @@  static int navi10_enable_mgpu_fan_boost(
 	if (adev->asic_type == CHIP_NAVI12)
 		return 0;
 
+	/*
+	 * Skip the MGpuFanBoost setting for those ASICs
+	 * which do not support it
+	 */
+	if (!smc_pptable->MGpuFanBoostLimitRpm)
+		return 0;
+
 	/* Workaround for WS SKU */
 	if (adev->pdev->device == 0x7312 &&
 	    adev->pdev->revision == 0)
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -3015,6 +3015,16 @@  static ssize_t sienna_cichlid_get_gpu_me
 
 static int sienna_cichlid_enable_mgpu_fan_boost(struct smu_context *smu)
 {
+	struct smu_table_context *table_context = &smu->smu_table;
+	PPTable_t *smc_pptable = table_context->driver_pptable;
+
+	/*
+	 * Skip the MGpuFanBoost setting for those ASICs
+	 * which do not support it
+	 */
+	if (!smc_pptable->MGpuFanBoostLimitRpm)
+		return 0;
+
 	return smu_cmn_send_smc_msg_with_param(smu,
 					       SMU_MSG_SetMGpuFanBoostLimitRpm,
 					       0,