diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3518-drm-amd-powerplay-add-mmhub-powergating-by-smu-in-po.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3518-drm-amd-powerplay-add-mmhub-powergating-by-smu-in-po.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3518-drm-amd-powerplay-add-mmhub-powergating-by-smu-in-po.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3518-drm-amd-powerplay-add-mmhub-powergating-by-smu-in-po.patch new file mode 100644 index 00000000..d9db66fe --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3518-drm-amd-powerplay-add-mmhub-powergating-by-smu-in-po.patch @@ -0,0 +1,70 @@ +From b5a4a8cdc49ef51930dc8c704a9341b66d0f3f6e Mon Sep 17 00:00:00 2001 +From: Eric Huang <JinHuiEric.Huang@amd.com> +Date: Tue, 6 Feb 2018 14:38:38 -0500 +Subject: [PATCH 3518/4131] drm/amd/powerplay: add mmhub powergating by smu in + powerplay + +new generic interface is added in powerplay. + +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/amd_powerplay.c | 22 ++++++++++++++++++++++ + drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 + + 2 files changed, 23 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +index 78ac209..59464a9 100644 +--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -1476,6 +1476,27 @@ static int pp_get_display_mode_validation_clocks(void *handle, + return ret; + } + ++static int pp_set_mmhub_powergating_by_smu(void *handle) ++{ ++ struct pp_hwmgr *hwmgr; ++ struct pp_instance *pp_handle = (struct pp_instance *)handle; ++ int ret = 0; ++ ++ ret = pp_check(pp_handle); ++ ++ if (ret) ++ return ret; ++ ++ hwmgr = pp_handle->hwmgr; ++ ++ if (hwmgr->hwmgr_func->set_mmhub_powergating_by_smu == NULL) { ++ pr_info("%s was not implemented.\n", __func__); ++ return 0; ++ } ++ ++ return hwmgr->hwmgr_func->set_mmhub_powergating_by_smu(hwmgr); ++} ++ + const struct amd_pm_funcs pp_dpm_funcs = { + .load_firmware = pp_dpm_load_fw, + .wait_for_fw_loading_complete = pp_dpm_fw_loading_complete, +@@ -1522,5 +1543,6 @@ const struct amd_pm_funcs pp_dpm_funcs = { + .set_watermarks_for_clocks_ranges = pp_set_watermarks_for_clocks_ranges, + .display_clock_voltage_request = pp_display_clock_voltage_request, + .get_display_mode_validation_clocks = pp_get_display_mode_validation_clocks, ++ .set_mmhub_powergating_by_smu = pp_set_mmhub_powergating_by_smu, + }; + +diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +index cea4ce7..4d96439 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +@@ -347,6 +347,7 @@ struct pp_hwmgr_func { + int (*odn_edit_dpm_table)(struct pp_hwmgr *hwmgr, + enum PP_OD_DPM_TABLE_COMMAND type, + long *input, uint32_t size); ++ int (*set_mmhub_powergating_by_smu)(struct pp_hwmgr *hwmgr); + }; + + struct pp_table_func { +-- +2.7.4 + |