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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>
This commit is contained in:
Kevin Wang 2018-12-26 16:13:09 +08:00 committed by Alex Deucher
parent 6b816d7316
commit 2f25158d7d
2 changed files with 42 additions and 0 deletions
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37
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -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;

5
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -327,4 +327,9 @@ extern const struct amd_ip_funcs smu_ip_funcs;
extern const struct amdgpu_ip_block_version smu_v11_0_ip_block;
extern int smu_feature_init_dpm(struct smu_context *smu);
extern int smu_feature_is_enabled(struct smu_context *smu, int feature_id);
extern int smu_feature_set_enabled(struct smu_context *smu, int feature_id, bool enable);
extern int smu_feature_is_supported(struct smu_context *smu, int feature_id);
extern int smu_feature_set_supported(struct smu_context *smu, int feature_id, bool enable);
#endif