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Commit 43bb3a6d authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Alex Deucher
Browse files

drm/amd/amdgpu: Disabling Power Gating for Stoney platform 



Power Gating is disabled in Stoney platform.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 81454cad

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

+28 −23
Original line number Diff line number Diff line
@@ -285,7 +285,7 @@ static int acp_hw_init(void *handle) 
		return 0;

	else if (r)

		return r;



	if (adev->asic_type != CHIP_STONEY) {

		adev->acp.acp_genpd = kzalloc(sizeof(struct acp_pm_domain), GFP_KERNEL);

		if (adev->acp.acp_genpd == NULL)

			return -ENOMEM;
@@ -298,6 +298,7 @@ static int acp_hw_init(void *handle) 
		adev->acp.acp_genpd->cgs_dev = adev->acp.cgs_device;



		pm_genpd_init(&adev->acp.acp_genpd->gpd, NULL, false);

	}



	adev->acp.acp_cell = kzalloc(sizeof(struct mfd_cell) * ACP_DEVS,

							GFP_KERNEL);
@@ -388,6 +389,7 @@ static int acp_hw_init(void *handle) 
	if (r)

		return r;



	if (adev->asic_type != CHIP_STONEY) {

		for (i = 0; i < ACP_DEVS ; i++) {

			dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i);

			r = pm_genpd_add_device(&adev->acp.acp_genpd->gpd, dev);
@@ -396,6 +398,7 @@ static int acp_hw_init(void *handle) 
				return r;

			}

		}

	}



	return 0;

}
@@ -413,9 +416,10 @@ static int acp_hw_fini(void *handle) 
	struct amdgpu_device *adev = (struct amdgpu_device *)handle;



	/* return early if no ACP */

	if (!adev->acp.acp_genpd)

	if (!adev->acp.acp_cell)

		return 0;



	if (adev->acp.acp_genpd) {

		for (i = 0; i < ACP_DEVS ; i++) {

			dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i);

			ret = pm_genpd_remove_device(&adev->acp.acp_genpd->gpd, dev);
@@ -423,10 +427,11 @@ static int acp_hw_fini(void *handle) 
			if (ret)

				dev_err(dev, "remove dev from genpd failed\n");

		}

		kfree(adev->acp.acp_genpd);

	}



	mfd_remove_devices(adev->acp.parent);

	kfree(adev->acp.acp_res);

	kfree(adev->acp.acp_genpd);

	kfree(adev->acp.acp_cell);



	return 0;