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drm/amd/amdgpu: fw version check with gfxoff

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1. check the firmware version when enabling gfxoff
2. overwrite the pptable to make sure gfxoff is really
enabled on navi10

Signed-off-by: Kenneth Feng <kenneth.feng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kenneth Feng 2019-03-27 17:10:09 +08:00 committed by Alex Deucher
parent bca325280d
commit 9e04021602
2 changed files with 11 additions and 1 deletions
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1
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -331,7 +331,6 @@ static int smu_set_funcs(struct amdgpu_device *adev)
switch (adev->asic_type) {
case CHIP_VEGA20:
case CHIP_NAVI10:
adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
smu->od_enabled = true;
smu_v11_0_set_smu_funcs(smu);

11
drivers/gpu/drm/amd/powerplay/navi10_ppt.c
View File

@ -117,6 +117,8 @@ static int
navi10_get_allowed_feature_mask(struct smu_context *smu,
uint32_t *feature_mask, uint32_t num)
{
struct amdgpu_device *adev = smu->adev;
if (num > 2)
return -EINVAL;
@ -139,6 +141,10 @@ navi10_get_allowed_feature_mask(struct smu_context *smu,
| FEATURE_MASK(FEATURE_MMHUB_PG)
| FEATURE_MASK(FEATURE_ATHUB_PG);
if (adev->pm.pp_feature & PP_GFXOFF_MASK)
*(uint64_t *)feature_mask |= FEATURE_MASK(FEATURE_GFX_SS_BIT)
| FEATURE_MASK(FEATURE_GFXOFF_BIT);
return 0;
}
@ -149,6 +155,7 @@ static int navi10_check_powerplay_table(struct smu_context *smu)
static int navi10_append_powerplay_table(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
struct smu_table_context *table_context = &smu->smu_table;
PPTable_t *smc_pptable = table_context->driver_pptable;
struct atom_smc_dpm_info_v4_5 *smc_dpm_table;
@ -234,6 +241,10 @@ static int navi10_append_powerplay_table(struct smu_context *smu)
/* Mvdd Svi2 Div Ratio Setting */
smc_pptable->MvddRatio = smc_dpm_table->MvddRatio;
if (adev->pm.pp_feature & PP_GFXOFF_MASK)
*(uint64_t *)smc_pptable->FeaturesToRun |= FEATURE_MASK(FEATURE_GFX_SS_BIT)
| FEATURE_MASK(FEATURE_GFXOFF_BIT);
return 0;
}