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authorRex Zhu <Rex.Zhu@amd.com>2018-01-29 18:04:18 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:19:44 -0500
commit6ab8555e04ecd2278fdca54c33a7ddac7d4ba5d2 (patch)
treef58109e970b10a250fdfdbbd57a3f4b4bac6a6a0 /drivers/gpu/drm/amd/include
parent71d0a89812c9749fbb48c633f91512d51433989e (diff)
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 <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include')
-rw-r--r--drivers/gpu/drm/amd/include/kgd_pp_interface.h2
1 files changed, 2 insertions, 0 deletions
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);