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

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Power Gating is disabled in Stoney platform.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Vijendar Mukunda 2017-06-19 02:11:23 +05:30 committed by Alex Deucher
parent 81454cad0a
commit 43bb3a6d7d
1 changed files with 28 additions and 23 deletions
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51
drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c
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@ -285,19 +285,20 @@ 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;
adev->acp.acp_genpd = kzalloc(sizeof(struct acp_pm_domain), GFP_KERNEL);
if (adev->acp.acp_genpd == NULL)
return -ENOMEM;
adev->acp.acp_genpd->gpd.name = "ACP_AUDIO";
adev->acp.acp_genpd->gpd.power_off = acp_poweroff;
adev->acp.acp_genpd->gpd.power_on = acp_poweron;
adev->acp.acp_genpd->gpd.name = "ACP_AUDIO";
adev->acp.acp_genpd->gpd.power_off = acp_poweroff;
adev->acp.acp_genpd->gpd.power_on = acp_poweron;
adev->acp.acp_genpd->cgs_dev = adev->acp.cgs_device;
adev->acp.acp_genpd->cgs_dev = adev->acp.cgs_device;
pm_genpd_init(&adev->acp.acp_genpd->gpd, NULL, false);
pm_genpd_init(&adev->acp.acp_genpd->gpd, NULL, false);
}
adev->acp.acp_cell = kzalloc(sizeof(struct mfd_cell) * ACP_DEVS,
GFP_KERNEL);
@ -388,12 +389,14 @@ static int acp_hw_init(void *handle)
if (r)
return r;
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);
if (r) {
dev_err(dev, "Failed to add dev to genpd\n");
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);
if (r) {
dev_err(dev, "Failed to add dev to genpd\n");
return r;
}
}
}
@ -413,20 +416,22 @@ 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;
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);
/* If removal fails, dont giveup and try rest */
if (ret)
dev_err(dev, "remove dev from genpd failed\n");
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);
/* If removal fails, dont giveup and try rest */
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;