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authorLinus Torvalds <torvalds@linux-foundation.org>2019-04-04 18:22:55 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2019-04-04 18:22:55 -1000
commitea2cec24c8d429ee6f99040e4eb6c7ad627fe777 (patch)
treec7f2dc7cd8d6a7c30bb3177a6078531027102586 /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
parent0548740e53e6fe674f850d36db51eccb0557d938 (diff)
parent23b5f422e8f42d9d3b7063c05c839a8b0ff5adf5 (diff)
downloadlwn-ea2cec24c8d429ee6f99040e4eb6c7ad627fe777.tar.gz
lwn-ea2cec24c8d429ee6f99040e4eb6c7ad627fe777.zip
Merge tag 'drm-fixes-2019-04-05' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie: "Pretty quiet week, just some amdgpu and i915 fixes. i915: - deadlock fix - gvt fixes amdgpu: - PCIE dpm feature fix - Powerplay fixes" * tag 'drm-fixes-2019-04-05' of git://anongit.freedesktop.org/drm/drm: drm/i915/gvt: Fix kerneldoc typo for intel_vgpu_emulate_hotplug drm/i915/gvt: Correct the calculation of plane size drm/amdgpu: remove unnecessary rlc reset function on gfx9 drm/i915: Always backoff after a drm_modeset_lock() deadlock drm/i915/gvt: do not let pin count of shadow mm go negative drm/i915/gvt: do not deliver a workload if its creation fails drm/amd/display: VBIOS can't be light up HDMI when restart system drm/amd/powerplay: fix possible hang with 3+ 4K monitors drm/amd/powerplay: correct data type to avoid overflow drm/amd/powerplay: add ECC feature bit drm/amd/amdgpu: fix PCIe dpm feature issue (v3)
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 4f8fb4ecde34..ac0d646a7b74 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3625,6 +3625,7 @@ 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 pcie_link_width cur_width;
+ u32 ret = 1;
*speed = PCI_SPEED_UNKNOWN;
*width = PCIE_LNK_WIDTH_UNKNOWN;
@@ -3632,6 +3633,10 @@ 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);
+ ret = pcie_bandwidth_available(adev->pdev, NULL,
+ NULL, &cur_width);
+ if (!ret)
+ cur_width = PCIE_LNK_WIDTH_RESRV;
if (cur_speed != PCI_SPEED_UNKNOWN) {
if (*speed == PCI_SPEED_UNKNOWN)