diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 133 |
1 files changed, 91 insertions, 42 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c index 7fb9137dd89b..b34cefc7ebd5 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c @@ -159,9 +159,6 @@ static int uvd_v4_2_hw_init(void *handle) uvd_v4_2_enable_mgcg(adev, true); amdgpu_asic_set_uvd_clocks(adev, 10000, 10000); - r = uvd_v4_2_start(adev); - if (r) - goto done; ring->ready = true; r = amdgpu_ring_test_ring(ring); @@ -198,7 +195,6 @@ static int uvd_v4_2_hw_init(void *handle) amdgpu_ring_commit(ring); done: - if (!r) DRM_INFO("UVD initialized successfully.\n"); @@ -217,7 +213,9 @@ static int uvd_v4_2_hw_fini(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_ring *ring = &adev->uvd.ring; - uvd_v4_2_stop(adev); + if (RREG32(mmUVD_STATUS) != 0) + uvd_v4_2_stop(adev); + ring->ready = false; return 0; @@ -267,37 +265,26 @@ static int uvd_v4_2_start(struct amdgpu_device *adev) struct amdgpu_ring *ring = &adev->uvd.ring; uint32_t rb_bufsz; int i, j, r; + u32 tmp; /* disable byte swapping */ u32 lmi_swap_cntl = 0; u32 mp_swap_cntl = 0; - WREG32(mmUVD_CGC_GATE, 0); - uvd_v4_2_set_dcm(adev, true); - - uvd_v4_2_mc_resume(adev); + /* set uvd busy */ + WREG32_P(mmUVD_STATUS, 1<<2, ~(1<<2)); - /* disable interupt */ - WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); - - /* Stall UMC and register bus before resetting VCPU */ - WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); - mdelay(1); - - /* put LMI, VCPU, RBC etc... into reset */ - WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | - UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | - UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | - UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | - UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); - mdelay(5); + uvd_v4_2_set_dcm(adev, true); + WREG32(mmUVD_CGC_GATE, 0); /* take UVD block out of reset */ WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); mdelay(5); - /* initialize UVD memory controller */ - WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | - (1 << 21) | (1 << 9) | (1 << 20)); + /* enable VCPU clock */ + WREG32(mmUVD_VCPU_CNTL, 1 << 9); + + /* disable interupt */ + WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); #ifdef __BIG_ENDIAN /* swap (8 in 32) RB and IB */ @@ -306,6 +293,11 @@ static int uvd_v4_2_start(struct amdgpu_device *adev) #endif WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); + /* initialize UVD memory controller */ + WREG32(mmUVD_LMI_CTRL, 0x203108); + + tmp = RREG32(mmUVD_MPC_CNTL); + WREG32(mmUVD_MPC_CNTL, tmp | 0x10); WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); WREG32(mmUVD_MPC_SET_MUXA1, 0x0); @@ -314,18 +306,20 @@ static int uvd_v4_2_start(struct amdgpu_device *adev) WREG32(mmUVD_MPC_SET_ALU, 0); WREG32(mmUVD_MPC_SET_MUX, 0x88); - /* take all subblocks out of reset, except VCPU */ - WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); - mdelay(5); + uvd_v4_2_mc_resume(adev); - /* enable VCPU clock */ - WREG32(mmUVD_VCPU_CNTL, 1 << 9); + tmp = RREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL); + WREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL, tmp & (~0x10)); /* enable UMC */ WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); - /* boot up the VCPU */ - WREG32(mmUVD_SOFT_RESET, 0); + WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK); + + WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); + + WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); + mdelay(10); for (i = 0; i < 10; ++i) { @@ -357,6 +351,8 @@ static int uvd_v4_2_start(struct amdgpu_device *adev) /* enable interupt */ WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1)); + WREG32_P(mmUVD_STATUS, 0, ~(1<<2)); + /* force RBC into idle state */ WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); @@ -393,22 +389,57 @@ static int uvd_v4_2_start(struct amdgpu_device *adev) */ static void uvd_v4_2_stop(struct amdgpu_device *adev) { - /* force RBC into idle state */ + uint32_t i, j; + uint32_t status; + WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); + for (i = 0; i < 10; ++i) { + for (j = 0; j < 100; ++j) { + status = RREG32(mmUVD_STATUS); + if (status & 2) + break; + mdelay(1); + } + if (status & 2) + break; + } + + for (i = 0; i < 10; ++i) { + for (j = 0; j < 100; ++j) { + status = RREG32(mmUVD_LMI_STATUS); + if (status & 0xf) + break; + mdelay(1); + } + if (status & 0xf) + break; + } + /* Stall UMC and register bus before resetting VCPU */ WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); - mdelay(1); - /* put VCPU into reset */ - WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); - mdelay(5); + for (i = 0; i < 10; ++i) { + for (j = 0; j < 100; ++j) { + status = RREG32(mmUVD_LMI_STATUS); + if (status & 0x240) + break; + mdelay(1); + } + if (status & 0x240) + break; + } - /* disable VCPU clock */ - WREG32(mmUVD_VCPU_CNTL, 0x0); + WREG32_P(0x3D49, 0, ~(1 << 2)); - /* Unstall UMC and register bus */ - WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); + WREG32_P(mmUVD_VCPU_CNTL, 0, ~(1 << 9)); + + /* put LMI, VCPU, RBC etc... into reset */ + WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | + UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | + UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); + + WREG32(mmUVD_STATUS, 0); uvd_v4_2_set_dcm(adev, false); } @@ -694,8 +725,26 @@ static int uvd_v4_2_set_powergating_state(void *handle, if (state == AMD_PG_STATE_GATE) { uvd_v4_2_stop(adev); + if (adev->pg_flags & AMD_PG_SUPPORT_UVD && amdgpu_dpm == 0) { + if (!(RREG32_SMC(ixCURRENT_PG_STATUS) & + CURRENT_PG_STATUS__UVD_PG_STATUS_MASK)) { + WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK | + UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_DOWN_MASK | + UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK)); + mdelay(20); + } + } return 0; } else { + if (adev->pg_flags & AMD_PG_SUPPORT_UVD && amdgpu_dpm == 0) { + if (RREG32_SMC(ixCURRENT_PG_STATUS) & + CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { + WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK | + UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_UP_MASK | + UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK)); + mdelay(30); + } + } return uvd_v4_2_start(adev); } } |