diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index 034ace79ed49..31375bdde6f1 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -910,7 +910,7 @@ static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring, long timeout) ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP); ib.length_dw = 8; - r = amdgpu_ib_schedule(ring, 1, &ib, NULL, NULL, &f); + r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f); if (r) goto err1; @@ -1533,6 +1533,22 @@ static int sdma_v3_0_set_powergating_state(void *handle, return 0; } +static void sdma_v3_0_get_clockgating_state(void *handle, u32 *flags) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + int data; + + /* AMD_CG_SUPPORT_SDMA_MGCG */ + data = RREG32(mmSDMA0_CLK_CTRL + sdma_offsets[0]); + if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK)) + *flags |= AMD_CG_SUPPORT_SDMA_MGCG; + + /* AMD_CG_SUPPORT_SDMA_LS */ + data = RREG32(mmSDMA0_POWER_CNTL + sdma_offsets[0]); + if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK) + *flags |= AMD_CG_SUPPORT_SDMA_LS; +} + static const struct amd_ip_funcs sdma_v3_0_ip_funcs = { .name = "sdma_v3_0", .early_init = sdma_v3_0_early_init, @@ -1551,6 +1567,7 @@ static const struct amd_ip_funcs sdma_v3_0_ip_funcs = { .soft_reset = sdma_v3_0_soft_reset, .set_clockgating_state = sdma_v3_0_set_clockgating_state, .set_powergating_state = sdma_v3_0_set_powergating_state, + .get_clockgating_state = sdma_v3_0_get_clockgating_state, }; static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = { |