drm/amdgpu: add get clockgating_state method for sdma v3 (41c360f6) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -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 = {