diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0937-drm-amd-powerplay-add-all-blocks-clockgating-support.patch')
| -rw-r--r-- | common/recipes-kernel/linux/files/0937-drm-amd-powerplay-add-all-blocks-clockgating-support.patch | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0937-drm-amd-powerplay-add-all-blocks-clockgating-support.patch b/common/recipes-kernel/linux/files/0937-drm-amd-powerplay-add-all-blocks-clockgating-support.patch new file mode 100644 index 00000000..77396154 --- /dev/null +++ b/common/recipes-kernel/linux/files/0937-drm-amd-powerplay-add-all-blocks-clockgating-support.patch @@ -0,0 +1,126 @@ +From a3e67c37baba1d9fb9fa3fa3a72fd9dbe9eab346 Mon Sep 17 00:00:00 2001 +From: Eric Huang <JinHuiEric.Huang@amd.com> +Date: Tue, 9 Feb 2016 16:26:00 -0500 +Subject: [PATCH 0937/1110] drm/amd/powerplay: add all blocks clockgating + support through SMU/powerplay +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> +--- + drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 81 +++++++++++++++++++++++ + drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h | 3 + + 2 files changed, 84 insertions(+) + +diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +index 9d22900..9c742e0 100644 +--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c ++++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +@@ -180,6 +180,87 @@ static void pp_print_status(void *handle) + static int pp_set_clockgating_state(void *handle, + enum amd_clockgating_state state) + { ++ struct pp_hwmgr *hwmgr; ++ uint32_t msg_id, pp_state; ++ ++ if (handle == NULL) ++ return -EINVAL; ++ ++ hwmgr = ((struct pp_instance *)handle)->hwmgr; ++ ++ if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || ++ hwmgr->hwmgr_func->update_clock_gatings == NULL) ++ return -EINVAL; ++ ++ if (state == AMD_CG_STATE_UNGATE) ++ pp_state = 0; ++ else ++ pp_state = PP_STATE_CG | PP_STATE_LS; ++ ++ /* Enable/disable GFX blocks clock gating through SMU */ ++ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX, ++ PP_BLOCK_GFX_CG, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX, ++ PP_BLOCK_GFX_3D, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX, ++ PP_BLOCK_GFX_RLC, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX, ++ PP_BLOCK_GFX_CP, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_GFX, ++ PP_BLOCK_GFX_MG, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ ++ /* Enable/disable System blocks clock gating through SMU */ ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_BIF, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_BIF, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_MC, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_ROM, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_DRM, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_HDP, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ msg_id = PP_CG_MSG_ID(PP_GROUP_SYS, ++ PP_BLOCK_SYS_SDMA, ++ PP_STATE_SUPPORT_CG | PP_STATE_SUPPORT_LS, ++ pp_state); ++ hwmgr->hwmgr_func->update_clock_gatings(hwmgr, &msg_id); ++ + return 0; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h +index bbe02ec..e5356cf 100644 +--- a/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h ++++ b/drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h +@@ -288,6 +288,9 @@ struct pp_states_info { + + #define PP_BLOCK_GFX_CG 0x01 + #define PP_BLOCK_GFX_MG 0x02 ++#define PP_BLOCK_GFX_3D 0x04 ++#define PP_BLOCK_GFX_RLC 0x08 ++#define PP_BLOCK_GFX_CP 0x10 + #define PP_BLOCK_SYS_BIF 0x01 + #define PP_BLOCK_SYS_MC 0x02 + #define PP_BLOCK_SYS_ROM 0x04 +-- +2.7.4 + |