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drm/amd/pm: correct MGpuFanBoost setting

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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>
This commit is contained in:
Evan Quan 2021-05-18 09:01:47 +08:00 committed by Greg Kroah-Hartman
parent 1a8ecc3cd1
commit e3a662e5e8
2 changed files with 19 additions and 0 deletions
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9
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
View File

@ -2606,6 +2606,8 @@ static ssize_t navi10_get_gpu_metrics(struct smu_context *smu,
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;
@ -2613,6 +2615,13 @@ static int navi10_enable_mgpu_fan_boost(struct smu_context *smu)
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)

10
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View File

@ -2715,6 +2715,16 @@ static ssize_t sienna_cichlid_get_gpu_metrics(struct smu_context *smu,
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,