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drm/amdgpu/raven: power up/down VCN via the SMU (v2)

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By default VCN is powered down like SDMA, power it up/down
on driver load/unload.

[Rui: Fix to add the parameter 0 to un-gate VCN] v2

Acked-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-03-14 17:57:35 -04:00
parent 401b58ceb5
commit 380cc70439
1 changed files with 24 additions and 0 deletions
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24
drivers/gpu/drm/amd/powerplay/smumgr/rv_smumgr.c
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@ -264,6 +264,27 @@ static int rv_smc_disable_sdma(struct pp_smumgr *smumgr)
return 0;
}
/* vcn is disabled by default in vbios, need to re-enable in driver */
static int rv_smc_enable_vcn(struct pp_smumgr *smumgr)
{
PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc_with_parameter(smumgr,
PPSMC_MSG_PowerUpVcn, 0),
"Attempt to power up vcn Failed!",
return -EINVAL);
return 0;
}
static int rv_smc_disable_vcn(struct pp_smumgr *smumgr)
{
PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc_with_parameter(smumgr,
PPSMC_MSG_PowerDownVcn, 0),
"Attempt to power down vcn Failed!",
return -EINVAL);
return 0;
}
static int rv_smu_fini(struct pp_smumgr *smumgr)
{
struct rv_smumgr *priv =
@ -271,6 +292,7 @@ static int rv_smu_fini(struct pp_smumgr *smumgr)
if (priv) {
rv_smc_disable_sdma(smumgr);
rv_smc_disable_vcn(smumgr);
cgs_free_gpu_mem(smumgr->device,
priv->smu_tables.entry[WMTABLE].handle);
cgs_free_gpu_mem(smumgr->device,
@ -288,6 +310,8 @@ static int rv_start_smu(struct pp_smumgr *smumgr)
return -EINVAL;
if (rv_smc_enable_sdma(smumgr))
return -EINVAL;
if (rv_smc_enable_vcn(smumgr))
return -EINVAL;
return 0;
}