diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2018-02-11 12:38:58 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-26 23:09:35 -0500 |
| commit | 952e5daa2565fc842d90192d2254f3bc1a88920c (patch) | |
| tree | a0898c6f5f1d06aad849b76baa4e96893d4cfadd /drivers | |
| parent | 40d5250dbb468ecf1d4a1aa5f5597358e33de95c (diff) | |
drm/amd/pp: Fix error handling when smu return failed on Vega10.
Clamp the clock index to a valid range when reading it back
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 1d442a498bf6..4c53dabb102f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -3912,28 +3912,30 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx, switch (idx) { case AMDGPU_PP_SENSOR_GFX_SCLK: - ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex); - if (!ret) { - vega10_read_arg_from_smc(hwmgr, &sclk_idx); + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex); + vega10_read_arg_from_smc(hwmgr, &sclk_idx); + if (sclk_idx < dpm_table->gfx_table.count) { *((uint32_t *)value) = dpm_table->gfx_table.dpm_levels[sclk_idx].value; *size = 4; + } else { + ret = -EINVAL; } break; case AMDGPU_PP_SENSOR_GFX_MCLK: - ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex); - if (!ret) { - vega10_read_arg_from_smc(hwmgr, &mclk_idx); + smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex); + vega10_read_arg_from_smc(hwmgr, &mclk_idx); + if (mclk_idx < dpm_table->mem_table.count) { *((uint32_t *)value) = dpm_table->mem_table.dpm_levels[mclk_idx].value; *size = 4; + } else { + ret = -EINVAL; } break; case AMDGPU_PP_SENSOR_GPU_LOAD: - ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetAverageGfxActivity, 0); - if (!ret) { - vega10_read_arg_from_smc(hwmgr, &activity_percent); - *((uint32_t *)value) = activity_percent > 100 ? 100 : activity_percent; - *size = 4; - } + smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetAverageGfxActivity, 0); + vega10_read_arg_from_smc(hwmgr, &activity_percent); + *((uint32_t *)value) = activity_percent > 100 ? 100 : activity_percent; + *size = 4; break; case AMDGPU_PP_SENSOR_GPU_TEMP: *((uint32_t *)value) = vega10_thermal_get_temperature(hwmgr); |