mirror of https://gitee.com/openkylin/linux.git
drm/amd/powerplay: disable UVD SMU handshake for MCLK.
sync up with internal programming recommendations. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
a2fb4934e9
commit
40787ef21c
|
@ -2252,6 +2252,9 @@ static int polaris10_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
|
||||||
static int polaris10_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
|
static int polaris10_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
|
||||||
{
|
{
|
||||||
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
|
struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
|
||||||
|
uint32_t soft_register_value = 0;
|
||||||
|
uint32_t handshake_disables_offset = data->soft_regs_start
|
||||||
|
+ offsetof(SMU74_SoftRegisters, HandshakeDisables);
|
||||||
|
|
||||||
/* enable SCLK dpm */
|
/* enable SCLK dpm */
|
||||||
if (!data->sclk_dpm_key_disabled)
|
if (!data->sclk_dpm_key_disabled)
|
||||||
|
@ -2262,6 +2265,12 @@ static int polaris10_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
|
||||||
|
|
||||||
/* enable MCLK dpm */
|
/* enable MCLK dpm */
|
||||||
if (0 == data->mclk_dpm_key_disabled) {
|
if (0 == data->mclk_dpm_key_disabled) {
|
||||||
|
/* Disable UVD - SMU handshake for MCLK. */
|
||||||
|
soft_register_value = cgs_read_ind_register(hwmgr->device,
|
||||||
|
CGS_IND_REG__SMC, handshake_disables_offset);
|
||||||
|
soft_register_value |= SMU7_UVD_MCLK_HANDSHAKE_DISABLE;
|
||||||
|
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
|
||||||
|
handshake_disables_offset, soft_register_value);
|
||||||
|
|
||||||
PP_ASSERT_WITH_CODE(
|
PP_ASSERT_WITH_CODE(
|
||||||
(0 == smum_send_msg_to_smc(hwmgr->smumgr,
|
(0 == smum_send_msg_to_smc(hwmgr->smumgr,
|
||||||
|
|
Loading…
Reference in New Issue