diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3517-drm-amd-powerplay-implement-set_mmhub_powergating_by.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3517-drm-amd-powerplay-implement-set_mmhub_powergating_by.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3517-drm-amd-powerplay-implement-set_mmhub_powergating_by.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3517-drm-amd-powerplay-implement-set_mmhub_powergating_by.patch new file mode 100644 index 00000000..a8937c47 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3517-drm-amd-powerplay-implement-set_mmhub_powergating_by.patch @@ -0,0 +1,57 @@ +From 495c84ee2dafe0a741bb2247744f16c0f0c0e718 Mon Sep 17 00:00:00 2001 +From: Eric Huang <JinHuiEric.Huang@amd.com> +Date: Tue, 6 Feb 2018 14:42:04 -0500 +Subject: [PATCH 3517/4131] 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 <JinHuiEric.Huang@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 6 ++++++ + drivers/gpu/drm/amd/powerplay/inc/rv_ppsmc.h | 3 ++- + 2 files changed, 8 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c +index 0cb4c32..329a50e 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c +@@ -1037,6 +1037,11 @@ 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, +@@ -1070,6 +1075,7 @@ 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 f15f4df..426bff2 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; +-- +2.7.4 + |