diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5481-drm-amd-pp-Expose-the-smu-support-for-SDMA-PG-cntl.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5481-drm-amd-pp-Expose-the-smu-support-for-SDMA-PG-cntl.patch | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5481-drm-amd-pp-Expose-the-smu-support-for-SDMA-PG-cntl.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5481-drm-amd-pp-Expose-the-smu-support-for-SDMA-PG-cntl.patch new file mode 100644 index 00000000..f6c2c73a --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5481-drm-amd-pp-Expose-the-smu-support-for-SDMA-PG-cntl.patch @@ -0,0 +1,85 @@ +From fe8cf7a311c4869a33a2922423e510cb2e7eaec6 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 25 Sep 2018 19:45:46 +0800 +Subject: [PATCH 5481/5725] drm/amd/pp: Expose the smu support for SDMA PG cntl + +SDMA IP can be power up/down via smu message + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 18 ++++++++++++++++++ + drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c | 8 ++++++++ + drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 + + 3 files changed, 27 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +index 147fdbb..d38ba0f 100644 +--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -1207,6 +1207,21 @@ static void pp_dpm_powergate_acp(void *handle, bool gate) + hwmgr->hwmgr_func->powergate_acp(hwmgr, gate); + } + ++static void pp_dpm_powergate_sdma(void *handle, bool gate) ++{ ++ struct pp_hwmgr *hwmgr = handle; ++ ++ if (!hwmgr) ++ return; ++ ++ if (hwmgr->hwmgr_func->powergate_sdma == NULL) { ++ pr_info("%s was not implemented.\n", __func__); ++ return; ++ } ++ ++ hwmgr->hwmgr_func->powergate_sdma(hwmgr, gate); ++} ++ + static int pp_set_powergating_by_smu(void *handle, + uint32_t block_type, bool gate) + { +@@ -1229,6 +1244,9 @@ static int pp_set_powergating_by_smu(void *handle, + case AMD_IP_BLOCK_TYPE_ACP: + pp_dpm_powergate_acp(handle, gate); + break; ++ case AMD_IP_BLOCK_TYPE_SDMA: ++ pp_dpm_powergate_sdma(handle, gate); ++ break; + default: + break; + } +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +index 7a42959..fa59be3 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c +@@ -1153,6 +1153,14 @@ static int smu10_powergate_mmhub(struct pp_hwmgr *hwmgr) + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub); + } + ++static int smu10_powergate_sdma(struct pp_hwmgr *hwmgr, bool gate) ++{ ++ if (gate) ++ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerDownSdma); ++ else ++ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerUpSdma); ++} ++ + static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate) + { + if (bgate) { +diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +index f25f6b7..f07d93e 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +@@ -329,6 +329,7 @@ struct pp_hwmgr_func { + int (*set_power_limit)(struct pp_hwmgr *hwmgr, uint32_t n); + int (*powergate_mmhub)(struct pp_hwmgr *hwmgr); + int (*smus_notify_pwe)(struct pp_hwmgr *hwmgr); ++ int (*powergate_sdma)(struct pp_hwmgr *hwmgr, bool bgate); + int (*enable_mgpu_fan_boost)(struct pp_hwmgr *hwmgr); + }; + +-- +2.7.4 + |