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drm/amd/pm: add one new function to get 32 bit feature mask for vangogh

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This patch is to add one new function to get 32 bit feature mask for
vangogh.

Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojian Du 2020-10-26 19:33:30 +08:00 • committed by Alex Deucher
parent 10f279cbd7
commit ac70c6c62a
2 changed files with 54 additions and 5 deletions
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55
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
View file

@ -346,6 +346,43 @@ int smu_cmn_get_enabled_mask(struct smu_context *smu,
return ret;
}
int smu_cmn_get_enabled_32_bits_mask(struct smu_context *smu,
uint32_t *feature_mask,
uint32_t num)
{
uint32_t feature_mask_en_low = 0;
uint32_t feature_mask_en_high = 0;
struct smu_feature *feature = &smu->smu_feature;
int ret = 0;
if (!feature_mask || num < 2)
return -EINVAL;
if (bitmap_empty(feature->enabled, feature->feature_num)) {
ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetEnabledSmuFeatures, 0,
&feature_mask_en_low);
if (ret)
return ret;
ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetEnabledSmuFeatures, 1,
&feature_mask_en_high);
if (ret)
return ret;
feature_mask[0] = feature_mask_en_low;
feature_mask[1] = feature_mask_en_high;
} else {
bitmap_copy((unsigned long *)feature_mask, feature->enabled,
feature->feature_num);
}
return ret;
}
int smu_cmn_feature_update_enable_state(struct smu_context *smu,
uint64_t feature_mask,
bool enabled)
@ -437,11 +474,19 @@ size_t smu_cmn_get_pp_feature_mask(struct smu_context *smu,
size_t size = 0;
int ret = 0, i;
ret = smu_cmn_get_enabled_mask(smu,
feature_mask,
2);
if (ret)
return 0;
if (!smu->is_apu) {
ret = smu_cmn_get_enabled_mask(smu,
feature_mask,
2);
if (ret)
return 0;
} else {
ret = smu_cmn_get_enabled_32_bits_mask(smu,
feature_mask,
2);
if (ret)
return 0;
}
size = sprintf(buf + size, "features high: 0x%08x low: 0x%08x\n",
feature_mask[1], feature_mask[0]);

4
drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h
View file

@ -52,6 +52,10 @@ int smu_cmn_get_enabled_mask(struct smu_context *smu,
uint32_t *feature_mask,
uint32_t num);
int smu_cmn_get_enabled_32_bits_mask(struct smu_context *smu,
uint32_t *feature_mask,
uint32_t num);
int smu_cmn_feature_update_enable_state(struct smu_context *smu,
uint64_t feature_mask,
bool enabled);