From 6ab8555e04ecd2278fdca54c33a7ddac7d4ba5d2 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Mon, 29 Jan 2018 18:04:18 +0800 Subject: drm/amd/pp: Expose set/get_power_limit for DGPU User can change power limit between [0, 1] * max power limit. Set power limit to 0, restore to max power limit. Reviewed-by: Alex Deucher Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/include/kgd_pp_interface.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/gpu/drm/amd/include') diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 4f69fe8ca371..22c2fa30731f 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -283,6 +283,8 @@ struct amd_pm_funcs { uint32_t mc_addr_low, uint32_t mc_addr_hi, uint32_t size); + int (*set_power_limit)(void *handle, uint32_t n); + int (*get_power_limit)(void *handle, uint32_t *limit, bool default_limit); /* export to DC */ u32 (*get_sclk)(void *handle, bool low); u32 (*get_mclk)(void *handle, bool low); -- cgit v1.2.3