diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5022-drm-amd-pp-Convert-voltage-unit-in-mV-4-to-mV-on-CZ-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5022-drm-amd-pp-Convert-voltage-unit-in-mV-4-to-mV-on-CZ-.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5022-drm-amd-pp-Convert-voltage-unit-in-mV-4-to-mV-on-CZ-.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5022-drm-amd-pp-Convert-voltage-unit-in-mV-4-to-mV-on-CZ-.patch new file mode 100644 index 00000000..1620bfd4 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5022-drm-amd-pp-Convert-voltage-unit-in-mV-4-to-mV-on-CZ-.patch @@ -0,0 +1,48 @@ +From c6a5fc9ba8c300ecf443a8eb7ad58ae859d2e7c7 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <rex.zhu@amd.com> +Date: Wed, 25 Jul 2018 11:45:03 +0800 +Subject: [PATCH 5022/5725] drm/amd/pp: Convert voltage unit in mV*4 to mV on + CZ/ST + +the voltage showed in debugfs and hwmon should be in mV + +Reviewed-by: Evan Quan <evan.quan@amd.com> +Acked-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> +Cc: stable@vger.kernel.org +--- + drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +index 288802f..0adfc53 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +@@ -244,6 +244,7 @@ static int smu8_initialize_dpm_defaults(struct pp_hwmgr *hwmgr) + return 0; + } + ++/* convert form 8bit vid to real voltage in mV*4 */ + static uint32_t smu8_convert_8Bit_index_to_voltage( + struct pp_hwmgr *hwmgr, uint16_t voltage) + { +@@ -1702,13 +1703,13 @@ static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx, + case AMDGPU_PP_SENSOR_VDDNB: + tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_NB_CURRENTVID) & + CURRENT_NB_VID_MASK) >> CURRENT_NB_VID__SHIFT; +- vddnb = smu8_convert_8Bit_index_to_voltage(hwmgr, tmp); ++ vddnb = smu8_convert_8Bit_index_to_voltage(hwmgr, tmp) / 4; + *((uint32_t *)value) = vddnb; + return 0; + case AMDGPU_PP_SENSOR_VDDGFX: + tmp = (cgs_read_ind_register(hwmgr->device, CGS_IND_REG__SMC, ixSMUSVI_GFX_CURRENTVID) & + CURRENT_GFX_VID_MASK) >> CURRENT_GFX_VID__SHIFT; +- vddgfx = smu8_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp); ++ vddgfx = smu8_convert_8Bit_index_to_voltage(hwmgr, (u16)tmp) / 4; + *((uint32_t *)value) = vddgfx; + return 0; + case AMDGPU_PP_SENSOR_UVD_VCLK: +-- +2.7.4 + |