diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c index b20b3a5eb3c4..b6b8c3ca1572 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn35/dcn35_smu.c @@ -444,9 +444,9 @@ void dcn35_vbios_smu_enable_48mhz_tmdp_refclk_pwrdwn(struct clk_mgr_internal *cl enable); } -void dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr) +int dcn35_smu_exit_low_power_state(struct clk_mgr_internal *clk_mgr) { - dcn35_smu_send_msg_with_param( + return dcn35_smu_send_msg_with_param( clk_mgr, VBIOSSMC_MSG_DispPsrExit, 0); @@ -459,3 +459,13 @@ int dcn35_smu_get_ips_supported(struct clk_mgr_internal *clk_mgr) VBIOSSMC_MSG_QueryIPS2Support, 0); } + +void dcn35_smu_write_ips_scratch(struct clk_mgr_internal *clk_mgr, uint32_t param) +{ + REG_WRITE(MP1_SMN_C2PMSG_71, param); +} + +uint32_t dcn35_smu_read_ips_scratch(struct clk_mgr_internal *clk_mgr) +{ + return REG_READ(MP1_SMN_C2PMSG_71); +} |