drm/amdgpu: add get clockgating_state method for gmc v8 (8bcab092) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -1439,6 +1439,21 @@ static int gmc_v8_0_set_powergating_state(void *handle,
		return 0;
		}

		static void gmc_v8_0_get_clockgating_state(void handle, u32 flags)
		{
		struct amdgpu_device adev = (struct amdgpu_device )handle;
		int data;

		/* AMD_CG_SUPPORT_MC_MGCG */
		data = RREG32(mmMC_HUB_MISC_HUB_CG);
		if (data & MC_HUB_MISC_HUB_CG__ENABLE_MASK)
		*flags \|= AMD_CG_SUPPORT_MC_MGCG;

		/* AMD_CG_SUPPORT_MC_LS */
		if (data & MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK)
		*flags \|= AMD_CG_SUPPORT_MC_LS;
		}

		static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
		.name = "gmc_v8_0",
		.early_init = gmc_v8_0_early_init,
		@@ -1457,6 +1472,7 @@ static const struct amd_ip_funcs gmc_v8_0_ip_funcs = {
		.post_soft_reset = gmc_v8_0_post_soft_reset,
		.set_clockgating_state = gmc_v8_0_set_clockgating_state,
		.set_powergating_state = gmc_v8_0_set_powergating_state,
		.get_clockgating_state = gmc_v8_0_get_clockgating_state,
		};

		static const struct amdgpu_gart_funcs gmc_v8_0_gart_funcs = {