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The issue is present on all RX 5600 boards, not just the Sapphire ones. >>>>> I suppose the alternative would be to disable resizing on the >>>>> problematic DELL systems only. >>>> How about this attached patch instead? >>> JFYI Typo in the commit message: >>> >>> s,casused,caused, >> With that fixed feel free to add my rb. It's just that the Dell systems are unstable even without the resizing. >> >> The resizing just makes it more likely to hit the issue because ti massively improves performance on the RX 5600 boards. >> > As a workaround, from the thread, the most reliable one seems to be to > disable runpm on the device. Yeah, really good point. Actually trying to fix the underlying issue is my strong preference as well. Regards, Christian. > > Thanks, > Lijo > >> Regards, >> Christian. >> >>>> Alex >>>> >>>>>> The problems with the Dell laptops are most likely the general instability of the RX 5600 again which this quirk just make more obvious because of the performance improvement. >>>>>> >>>>>> Do you have a specific bug report for the Dell laptops? >>>>>> >>>>>> Regards, >>>>>> Christian. >>>>>> >>>>>>> Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1707 >>>>> ^^^ this bug report >>>>> >>>>> Alex >>>>> >>>>> >>>>>>> Fixes: 907830b0fc9e ("PCI: Add a REBAR size quirk for Sapphire RX 5600 XT Pulse") >>>>>>> Signed-off-by: Alex Deucher >>>>>>> Cc: Christian König >>>>>>> Cc: Bjorn Helgaas >>>>>>> Cc: Nirmoy Das >>>>>>> --- >>>>>>>   drivers/pci/pci.c | 1 + >>>>>>>   1 file changed, 1 insertion(+) >>>>>>> >>>>>>> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c >>>>>>> index 225a6cd2e9ca3..dec917636974e 100644 >>>>>>> --- a/drivers/pci/pci.c >>>>>>> +++ b/drivers/pci/pci.c >>>>>>> @@ -3766,6 +3766,7 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar) >>>>>>> >>>>>>>        /* Sapphire RX 5600 XT Pulse has an invalid cap dword for BAR 0 */ >>>>>>>        if (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x731f && >>>>>>> +         pdev->subsystem_vendor == 0x1da2 && >>>>>> >>>>>> >>>>>> >>>>>>>            bar == 0 && cap == 0x700) >>>>>>>                return 0x3f00; >>>>>>>