From: Eric Huang Date: Tue, 6 Feb 2018 19:42:04 +0000 (-0500) Subject: drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven X-Git-Tag: v4.17-rc1~27^2~26^2~77 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=b01a4f4897f3a03eada496dcde9b054998d65170;p=uclinux-h8%2Flinux.git drm/amd/powerplay: implement set_mmhub_powergating_by_smu for Raven mmhub PG is enabled by SMU FW only for Raven. Signed-off-by: Eric Huang Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c index 409a56bb46c1..8ddfb78f28cc 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c @@ -1026,6 +1026,11 @@ static int rv_read_sensor(struct pp_hwmgr *hwmgr, int idx, return ret; } +static int rv_set_mmhub_powergating_by_smu(struct pp_hwmgr *hwmgr) +{ + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub); +} + static const struct pp_hwmgr_func rv_hwmgr_funcs = { .backend_init = rv_hwmgr_backend_init, .backend_fini = rv_hwmgr_backend_fini, @@ -1059,6 +1064,7 @@ static const struct pp_hwmgr_func rv_hwmgr_funcs = { .asic_setup = rv_setup_asic_task, .power_state_set = rv_set_power_state_tasks, .dynamic_state_management_disable = rv_disable_dpm_tasks, + .set_mmhub_powergating_by_smu = rv_set_mmhub_powergating_by_smu, }; int rv_init_function_pointers(struct pp_hwmgr *hwmgr) diff --git a/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h index f15f4df9d0a9..426bff2aad2b 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h +++ b/drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h @@ -80,7 +80,8 @@ #define PPSMC_MSG_SetSoftMaxSocclkByFreq 0x32 #define PPSMC_MSG_SetSoftMaxFclkByFreq 0x33 #define PPSMC_MSG_SetSoftMaxVcn 0x34 -#define PPSMC_Message_Count 0x35 +#define PPSMC_MSG_PowerGateMmHub 0x35 +#define PPSMC_Message_Count 0x36 typedef uint16_t PPSMC_Result;