diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0941-drm-amd-powerplay-add-GFX-per-cu-powergating-for-Baf.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0941-drm-amd-powerplay-add-GFX-per-cu-powergating-for-Baf.patch | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0941-drm-amd-powerplay-add-GFX-per-cu-powergating-for-Baf.patch b/common/recipes-kernel/linux/files/0941-drm-amd-powerplay-add-GFX-per-cu-powergating-for-Baf.patch new file mode 100644 index 00000000..d16fed0e --- /dev/null +++ b/common/recipes-kernel/linux/files/0941-drm-amd-powerplay-add-GFX-per-cu-powergating-for-Baf.patch @@ -0,0 +1,84 @@ +From c948005590136584455dd5cad2bfc727eff606f4 Mon Sep 17 00:00:00 2001 +From: Eric Huang <JinHuiEric.Huang@amd.com> +Date: Fri, 11 Mar 2016 14:53:39 -0500 +Subject: [PATCH 0941/1110] drm/amd/powerplay: add GFX per cu powergating for + Baffin +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Acked-by: Christian König <christian.koenig@amd.com> +Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com> +--- + .../powerplay/hwmgr/ellesmere_clockpowergating.c | 28 ++++++++++++++++++++++ + .../powerplay/hwmgr/ellesmere_clockpowergating.h | 1 + + .../gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c | 5 ++++ + 3 files changed, 34 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c +index a94f6a8..93db824 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.c +@@ -398,3 +398,31 @@ int ellesmere_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, + + return 0; + } ++ ++/* This function is for Baffin only for now, ++ * Powerplay will only control the static per CU Power Gating. ++ * Dynamic per CU Power Gating will be done in gfx. ++ */ ++int ellesmere_phm_enable_per_cu_power_gating(struct pp_hwmgr *hwmgr, bool enable) ++{ ++ struct cgs_system_info sys_info = {0}; ++ uint32_t active_cus; ++ int result; ++ ++ sys_info.size = sizeof(struct cgs_system_info); ++ sys_info.info_id = CGS_SYSTEM_INFO_GFX_CU_INFO; ++ ++ result = cgs_query_system_info(hwmgr->device, &sys_info); ++ ++ if (result) ++ return -EINVAL; ++ else ++ active_cus = sys_info.value; ++ ++ if (enable) ++ return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr, ++ PPSMC_MSG_GFX_CU_PG_ENABLE, active_cus); ++ else ++ return smum_send_msg_to_smc(hwmgr->smumgr, ++ PPSMC_MSG_GFX_CU_PG_DISABLE); ++} +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h +index a90577e..b403e11 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_clockpowergating.h +@@ -35,5 +35,6 @@ int ellesmere_phm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate); + int ellesmere_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr); + int ellesmere_phm_update_clock_gatings(struct pp_hwmgr *hwmgr, + const uint32_t *msg_id); ++int ellesmere_phm_enable_per_cu_power_gating(struct pp_hwmgr *hwmgr, bool enable); + + #endif /* _ELLESMERE_CLOCK_POWER_GATING_H_ */ +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c +index c87d5ef..152d77d 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ellesmere_hwmgr.c +@@ -4687,6 +4687,11 @@ static const struct pp_hwmgr_func ellesmere_hwmgr_funcs = { + .register_internal_thermal_interrupt = ellesmere_register_internal_thermal_interrupt, + .check_smc_update_required_for_display_configuration = ellesmere_check_smc_update_required_for_display_configuration, + .check_states_equal = ellesmere_check_states_equal, ++ .get_pp_table = ellesmere_get_pp_table, ++ .set_pp_table = ellesmere_set_pp_table, ++ .force_clock_level = ellesmere_force_clock_level, ++ .print_clock_levels = ellesmere_print_clock_levels, ++ .enable_per_cu_power_gating = ellesmere_phm_enable_per_cu_power_gating, + }; + + int ellesemere_hwmgr_init(struct pp_hwmgr *hwmgr) +-- +2.7.4 + |