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| author | Huang Rui <ray.huang@amd.com> | 2021-01-08 15:31:38 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-01-13 23:52:58 -0500 |
| commit | 0d90d0ddd10e576dbbad64486c263e5e86bbcdd7 (patch) | |
| tree | 64b4ed3e59a37cd2699d0f2a9acc667c2b33fc4b /drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | |
| parent | 517cb957c43be3a60d3ffebe980653ebb8e83fe3 (diff) | |
| download | linux-0d90d0ddd10e576dbbad64486c263e5e86bbcdd7.tar.bz2 | |
drm/amd/pm: implement processor fine grain feature for vangogh (v3)
This patch is to implement the processor fine grain feature for vangogh.
It's similar with gfx clock, the only difference is below:
echo "p core_id level value" > pp_od_clk_voltage
1. "p" - set the cclk (processor) frequency
2. "core_id" - 0/1/2/3, represents which cpu core you want to select
2. "level" - 0 or 1, "0" represents the min value, "1" represents the
max value
3. "value" - the target value of cclk frequency, it should be limited in
the safe range
v2: fix some missing changes as Evan's suggestion.
v3: add version check and fix the restore.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
0 files changed, 0 insertions, 0 deletions