diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0002-drm-amd-pp-Add-ACP-PG-support-in-SMU.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0002-drm-amd-pp-Add-ACP-PG-support-in-SMU.patch | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0002-drm-amd-pp-Add-ACP-PG-support-in-SMU.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0002-drm-amd-pp-Add-ACP-PG-support-in-SMU.patch new file mode 100644 index 00000000..55b443d0 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0002-drm-amd-pp-Add-ACP-PG-support-in-SMU.patch @@ -0,0 +1,115 @@ +From 16771d04dd4cc10841337572c74c46364725b8b7 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Thu, 19 Jul 2018 13:49:07 +0800 +Subject: [PATCH 0002/2940] drm/amd/pp: Add ACP PG support in SMU + +when ACP block not enabled, we power off +acp block to save power. + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 ++++++++++++++++ + .../gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c | 21 ++++++++++++++++++- + drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 + + 3 files changed, 39 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +index 7a646f94b478..da4ebff5b74d 100644 +--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -1181,6 +1181,21 @@ static int pp_dpm_powergate_gfx(void *handle, bool gate) + return hwmgr->hwmgr_func->powergate_gfx(hwmgr, gate); + } + ++static void pp_dpm_powergate_acp(void *handle, bool gate) ++{ ++ struct pp_hwmgr *hwmgr = handle; ++ ++ if (!hwmgr || !hwmgr->pm_en) ++ return; ++ ++ if (hwmgr->hwmgr_func->powergate_acp == NULL) { ++ pr_info("%s was not implemented.\n", __func__); ++ return; ++ } ++ ++ hwmgr->hwmgr_func->powergate_acp(hwmgr, gate); ++} ++ + static int pp_set_powergating_by_smu(void *handle, + uint32_t block_type, bool gate) + { +@@ -1200,6 +1215,9 @@ static int pp_set_powergating_by_smu(void *handle, + case AMD_IP_BLOCK_TYPE_GFX: + ret = pp_dpm_powergate_gfx(handle, gate); + break; ++ case AMD_IP_BLOCK_TYPE_ACP: ++ pp_dpm_powergate_acp(handle, gate); ++ break; + default: + break; + } +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +index c9a15baf2c10..86b6a43e1c6a 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +@@ -664,8 +664,13 @@ static void smu8_init_power_gate_state(struct pp_hwmgr *hwmgr) + data->uvd_power_gated = false; + data->vce_power_gated = false; + data->samu_power_gated = false; ++#ifdef CONFIG_DRM_AMD_ACP + data->acp_power_gated = false; +- data->pgacpinit = true; ++#else ++ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF); ++ data->acp_power_gated = true; ++#endif ++ + } + + static void smu8_init_sclk_threshold(struct pp_hwmgr *hwmgr) +@@ -1889,6 +1894,19 @@ static int smu8_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable) + } + + ++static void smu8_dpm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate) ++{ ++ struct smu8_hwmgr *data = hwmgr->backend; ++ ++ if (data->acp_power_gated == bgate) ++ return; ++ ++ if (bgate) ++ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF); ++ else ++ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerON); ++} ++ + static void smu8_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate) + { + struct smu8_hwmgr *data = hwmgr->backend; +@@ -1954,6 +1972,7 @@ static const struct pp_hwmgr_func smu8_hwmgr_funcs = { + .powerdown_uvd = smu8_dpm_powerdown_uvd, + .powergate_uvd = smu8_dpm_powergate_uvd, + .powergate_vce = smu8_dpm_powergate_vce, ++ .powergate_acp = smu8_dpm_powergate_acp, + .get_mclk = smu8_dpm_get_mclk, + .get_sclk = smu8_dpm_get_sclk, + .patch_boot_state = smu8_dpm_patch_boot_state, +diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +index d3d96260f440..7e58a0da5ccf 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +@@ -247,6 +247,7 @@ struct pp_hwmgr_func { + int (*powerdown_uvd)(struct pp_hwmgr *hwmgr); + void (*powergate_vce)(struct pp_hwmgr *hwmgr, bool bgate); + void (*powergate_uvd)(struct pp_hwmgr *hwmgr, bool bgate); ++ void (*powergate_acp)(struct pp_hwmgr *hwmgr, bool bgate); + uint32_t (*get_mclk)(struct pp_hwmgr *hwmgr, bool low); + uint32_t (*get_sclk)(struct pp_hwmgr *hwmgr, bool low); + int (*power_state_set)(struct pp_hwmgr *hwmgr, +-- +2.17.1 + |