diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c index dcb60ee0d9e2..110b294ebed3 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c @@ -35,7 +35,6 @@ #include "mmhub/mmhub_9_1_offset.h" #include "mmhub/mmhub_9_1_sh_mask.h" -static int vcn_v1_0_start(struct amdgpu_device *adev); static int vcn_v1_0_stop(struct amdgpu_device *adev); static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev); static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev); @@ -146,10 +145,6 @@ static int vcn_v1_0_hw_init(void *handle) struct amdgpu_ring *ring = &adev->vcn.ring_dec; int i, r; - r = vcn_v1_0_start(adev); - if (r) - goto done; - ring->ready = true; r = amdgpu_ring_test_ring(ring); if (r) { @@ -185,11 +180,9 @@ static int vcn_v1_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; struct amdgpu_ring *ring = &adev->vcn.ring_dec; - int r; - r = vcn_v1_0_stop(adev); - if (r) - return r; + if (RREG32_SOC15(VCN, 0, mmUVD_STATUS)) + vcn_v1_0_stop(adev); ring->ready = false; @@ -769,7 +762,7 @@ static int vcn_v1_0_stop(struct amdgpu_device *adev) WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); - /* enable clock gating */ + WREG32_SOC15(VCN, 0, mmUVD_STATUS, 0); vcn_v1_0_enable_clock_gating(adev); vcn_1_0_enable_static_power_gating(adev); @@ -1179,6 +1172,23 @@ static void vcn_v1_0_dec_ring_insert_nop(struct amdgpu_ring *ring, uint32_t coun } } +static int vcn_v1_0_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + /* This doesn't actually powergate the VCN block. + * That's done in the dpm code via the SMC. This + * just re-inits the block as necessary. The actual + * gating still happens in the dpm code. We should + * revisit this when there is a cleaner line between + * the smc and the hw blocks + */ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (state == AMD_PG_STATE_GATE) + return vcn_v1_0_stop(adev); + else + return vcn_v1_0_start(adev); +} static const struct amd_ip_funcs vcn_v1_0_ip_funcs = { .name = "vcn_v1_0", @@ -1197,7 +1207,7 @@ static const struct amd_ip_funcs vcn_v1_0_ip_funcs = { .soft_reset = NULL /* vcn_v1_0_soft_reset */, .post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */, .set_clockgating_state = vcn_v1_0_set_clockgating_state, - .set_powergating_state = NULL /* vcn_v1_0_set_powergating_state */, + .set_powergating_state = vcn_v1_0_set_powergating_state, }; static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = { |