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author | Kevin Wang | 2018-12-26 09:13:09 +0100 |
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committer | Alex Deucher | 2019-03-19 21:03:57 +0100 |
commit | 2f25158d7db8a435a65f22ca194fc461cb26db82 (patch) | |
tree | c9abad2a935c2bacc06cc232e7b3f13b88534690 /drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | |
parent | drm/amd/powerplay: implement smu feature functions (diff) | |
download | kernel-qcow2-linux-2f25158d7db8a435a65f22ca194fc461cb26db82.tar.gz kernel-qcow2-linux-2f25158d7db8a435a65f22ca194fc461cb26db82.tar.xz kernel-qcow2-linux-2f25158d7db8a435a65f22ca194fc461cb26db82.zip |
drm/amd/powerplay: implement feature get&set functions
add smu feature operation function helper to deal with smu feature
bitmap.
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index f9b254c8dad9..aba3fb1a6bdb 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -49,6 +49,43 @@ int smu_feature_init_dpm(struct smu_context *smu) return ret; } +int smu_feature_is_enabled(struct smu_context *smu, int feature_id) +{ + struct smu_feature *feature = &smu->smu_feature; + WARN_ON(feature_id > feature->feature_num); + return test_bit(feature_id, feature->enabled); +} + +int smu_feature_set_enabled(struct smu_context *smu, int feature_id, bool enable) +{ + struct smu_feature *feature = &smu->smu_feature; + WARN_ON(feature_id > feature->feature_num); + if (enable) + test_and_set_bit(feature_id, feature->enabled); + else + test_and_clear_bit(feature_id, feature->enabled); + return 0; +} + +int smu_feature_is_supported(struct smu_context *smu, int feature_id) +{ + struct smu_feature *feature = &smu->smu_feature; + WARN_ON(feature_id > feature->feature_num); + return test_bit(feature_id, feature->supported); +} + +int smu_feature_set_supported(struct smu_context *smu, int feature_id, + bool enable) +{ + struct smu_feature *feature = &smu->smu_feature; + WARN_ON(feature_id > feature->feature_num); + if (enable) + test_and_set_bit(feature_id, feature->supported); + else + test_and_clear_bit(feature_id, feature->supported); + return 0; +} + static int smu_set_funcs(struct amdgpu_device *adev) { struct smu_context *smu = &adev->smu; |