diff options
| author | Rex Zhu <Rex.Zhu@amd.com> | 2016-09-01 02:30:42 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-02 11:32:09 -0400 |
| commit | 48fad3aff638c7bc16656e31047f689aa44020a1 (patch) | |
| tree | 1ed434f0798cea87ce4761843e030b84185fe45d /drivers/gpu/drm/amd/powerplay/hwmgr | |
| parent | cfcc283cee50e98e47a56ab2b3f85540a1f93ab4 (diff) | |
drm/amd/powerplay: original power state table should not be changed.
power state table was set based on vbios and should not be changed.
when client need to change power state, just make a copy and send to
smu.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 50d465d00927..9794f1007a78 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -128,6 +128,8 @@ int hwmgr_fini(struct pp_hwmgr *hwmgr) kfree(hwmgr->set_temperature_range.function_list); kfree(hwmgr->ps); + kfree(hwmgr->current_ps); + kfree(hwmgr->request_ps); kfree(hwmgr); return 0; } @@ -152,10 +154,17 @@ int hw_init_power_state_table(struct pp_hwmgr *hwmgr) sizeof(struct pp_power_state); hwmgr->ps = kzalloc(size * table_entries, GFP_KERNEL); - if (hwmgr->ps == NULL) return -ENOMEM; + hwmgr->request_ps = kzalloc(size, GFP_KERNEL); + if (hwmgr->request_ps == NULL) + return -ENOMEM; + + hwmgr->current_ps = kzalloc(size, GFP_KERNEL); + if (hwmgr->current_ps == NULL) + return -ENOMEM; + state = hwmgr->ps; for (i = 0; i < table_entries; i++) { @@ -163,7 +172,8 @@ int hw_init_power_state_table(struct pp_hwmgr *hwmgr) if (state->classification.flags & PP_StateClassificationFlag_Boot) { hwmgr->boot_ps = state; - hwmgr->current_ps = hwmgr->request_ps = state; + memcpy(hwmgr->current_ps, state, size); + memcpy(hwmgr->request_ps, state, size); } state->id = i + 1; /* assigned unique num for every power state id */ @@ -173,6 +183,7 @@ int hw_init_power_state_table(struct pp_hwmgr *hwmgr) state = (struct pp_power_state *)((unsigned long)state + size); } + return 0; } |