use pcie_bandwidth_available to get real link state
to update pcie table.
v2: fix incorrect initialized return value
Signed-off-by: Chengming Gui <Jack.Gui@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 964a4d3..680643f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3649,7 +3649,9 @@ static void amdgpu_device_get_min_pci_speed_width(struct amdgpu_device *adev,
{
struct pci_dev *pdev = adev->pdev;
enum pci_bus_speed cur_speed;
+ enum pci_bus_speed tmp_speed;
enum pcie_link_width cur_width;
+ u32 ret = 1;
*speed = PCI_SPEED_UNKNOWN;
*width = PCIE_LNK_WIDTH_UNKNOWN;
@@ -3657,6 +3659,11 @@ static void amdgpu_device_get_min_pci_speed_width(struct amdgpu_device *adev,
while (pdev) {
cur_speed = pcie_get_speed_cap(pdev);
cur_width = pcie_get_width_cap(pdev);
+ if (adev->asic_type == CHIP_POLARIS10)
+ ret = pcie_bandwidth_available(adev->pdev, NULL,
+ &tmp_speed, &cur_width);
+ if (!ret)
+ cur_width = PCIE_LNK_WIDTH_RESRV;
if (cur_speed != PCI_SPEED_UNKNOWN) {
if (*speed == PCI_SPEED_UNKNOWN)
--
2.7.4
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