diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 92 |
2 files changed, 102 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 2fd7db891689..181e6afa9847 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -45,6 +45,17 @@ #define VCN_ENC_CMD_REG_WRITE 0x0000000b #define VCN_ENC_CMD_REG_WAIT 0x0000000c +enum engine_status_constants { + UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0, + UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON = 0x00000002, + UVD_STATUS__UVD_BUSY = 0x00000004, + GB_ADDR_CONFIG_DEFAULT = 0x26010011, + UVD_STATUS__IDLE = 0x2, + UVD_STATUS__BUSY = 0x5, + UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF = 0x1, + UVD_STATUS__RBC_BUSY = 0x1, +}; + struct amdgpu_vcn { struct amdgpu_bo *vcpu_bo; void *cpu_addr; diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index 7a366418d5f4..dcb60ee0d9e2 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -480,6 +480,94 @@ static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev) WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data); } +static void vcn_1_0_disable_static_power_gating(struct amdgpu_device *adev) +{ + uint32_t data = 0; + int ret; + + if (adev->pg_flags & AMD_PG_SUPPORT_VCN) { + data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT); + + WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data); + SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON, 0xFFFFFF, ret); + } else { + data = (1 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT + | 1 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT); + WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data); + SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, 0, 0xFFFFFFFF, ret); + } + + /* polling UVD_PGFSM_STATUS to confirm UVDM_PWR_STATUS , UVDU_PWR_STATUS are 0 (power on) */ + + data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS); + data &= ~0x103; + if (adev->pg_flags & AMD_PG_SUPPORT_VCN) + data |= UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON | UVD_POWER_STATUS__UVD_PG_EN_MASK; + + WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data); +} + +static void vcn_1_0_enable_static_power_gating(struct amdgpu_device *adev) +{ + uint32_t data = 0; + int ret; + + if (adev->pg_flags & AMD_PG_SUPPORT_VCN) { + /* Before power off, this indicator has to be turned on */ + data = RREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS); + data &= ~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK; + data |= UVD_POWER_STATUS__UVD_POWER_STATUS_TILES_OFF; + WREG32_SOC15(VCN, 0, mmUVD_POWER_STATUS, data); + + + data = (2 << UVD_PGFSM_CONFIG__UVDM_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDU_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDF_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDC_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDB_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDIL_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDIR_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDTD_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDTE_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDE_PWR_CONFIG__SHIFT + | 2 << UVD_PGFSM_CONFIG__UVDW_PWR_CONFIG__SHIFT); + + WREG32_SOC15(VCN, 0, mmUVD_PGFSM_CONFIG, data); + + data = (2 << UVD_PGFSM_STATUS__UVDM_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDU_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDF_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDC_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDB_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDIL_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDIR_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDTD_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDTE_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDE_PWR_STATUS__SHIFT + | 2 << UVD_PGFSM_STATUS__UVDW_PWR_STATUS__SHIFT); + SOC15_WAIT_ON_RREG(VCN, 0, mmUVD_PGFSM_STATUS, data, 0xFFFFFFFF, ret); + } +} + /** * vcn_v1_0_start - start VCN block * @@ -499,6 +587,7 @@ static int vcn_v1_0_start(struct amdgpu_device *adev) vcn_v1_0_mc_resume(adev); + vcn_1_0_disable_static_power_gating(adev); /* disable clock gating */ vcn_v1_0_disable_clock_gating(adev); @@ -681,8 +770,9 @@ static int vcn_v1_0_stop(struct amdgpu_device *adev) ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); /* enable clock gating */ - vcn_v1_0_enable_clock_gating(adev); + vcn_v1_0_enable_clock_gating(adev); + vcn_1_0_enable_static_power_gating(adev); return 0; } |