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[amd] vega10: do not disable some features that apparently cause the SMU to hang up in some circumstances.

This commit is contained in:
Adam Madsen 2020-11-13 19:42:14 -06:00
parent d99cee4489
commit 331cabae19
1 changed files with 9 additions and 10 deletions
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19
src/amd/vega10.c
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@ -206,6 +206,8 @@ static int amd_vega10_reset(struct vendor_reset_dev *dev)
goto baco_reset;
}
nv_info("Enabled features: %x\n", features_mask);
/*
* Based on the following observed sequence:
* cmd=PPSMC_MSG_DisableSmuFeatures param=0x00800000 ret= features=GNLD_FW_CTF
@ -224,6 +226,11 @@ static int amd_vega10_reset(struct vendor_reset_dev *dev)
* cmd=PPSMC_MSG_DisableSmuFeatures param=0x00000040 ret= features=GNLD_ULV
* cmd=PPSMC_MSG_DisableSmuFeatures param=0x10000000 ret= features=GNLD_ACG
* cmd=PPSMC_MSG_GfxDeviceDriverReset param=0x00000002 ret=
*
* However, this sequence bricks the card after shutting down Windows,
* so instead we'll mask the difference between the macOS shutdown feature
* list (0x1bb9ff1f) and the Windows shutdown feature list (0x1320070f),
* using the above sequence as ordering for the bits remaining.
*/
nv_info("Disabling features\n");
@ -237,12 +244,8 @@ static int amd_vega10_reset(struct vendor_reset_dev *dev)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00008000, NULL);
if (features_mask & 0x08000000)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x08000000, NULL);
if (features_mask & 0x01000000)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x01000000, NULL);
if (features_mask & 0x0000030f)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x0000030f, NULL);
if (features_mask & 0x00000400)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00000400, NULL);
if (features_mask & 0x00000010)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00000010, NULL);
if (features_mask & 0x00000800)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00000800, NULL);
if (features_mask & 0x00001000)
@ -251,10 +254,6 @@ static int amd_vega10_reset(struct vendor_reset_dev *dev)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00002000, NULL);
if (features_mask & 0x00080000)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00080000, NULL);
if (features_mask & 0x00000040)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x00000040, NULL);
if (features_mask & 0x10000000)
smum_send_msg_to_smc_with_parameter(adev, PPSMC_MSG_DisableSmuFeatures, 0x10000000, NULL);
/* driver reset */
nv_info("Driver reset\n");