renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-03 19:24:02 +08:00
Code

drm/amdgpu/vcn2: notify SMU power up/down VCN

Browse Source 
For sw control power gating, it needs notify SMU to power up/down VCN
when enter/exit working state.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jack Xiao 2019-04-18 16:20:10 +08:00 committed by Alex Deucher
parent 8a33c4f194
commit c113ba157f
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
View File

@ -27,6 +27,7 @@
#include "amdgpu_vcn.h"
#include "soc15.h"
#include "soc15d.h"
#include "amdgpu_pm.h"
#include "vcn/vcn_2_0_0_offset.h"
#include "vcn/vcn_2_0_0_sh_mask.h"
@ -779,6 +780,9 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
uint32_t lmi_swap_cntl;
int i, j, r;
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_uvd(adev, true);
vcn_v2_0_disable_static_power_gating(adev);
/* set uvd status busy */
@ -991,6 +995,9 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
vcn_v2_0_enable_clock_gating(adev);
vcn_v2_0_enable_static_power_gating(adev);
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_uvd(adev, false);
return 0;
}