Commit 5f864cfb authored by Brad Love's avatar Brad Love Committed by Mauro Carvalho Chehab
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media: cx23885: add more quirks for reset DMA on some AMD IOMMU 



The folowing AMD IOMMU are affected by the RiSC engine stall, requiring a
reset to maintain continual operation. After being added to the
broken_dev_id list the systems are functional long term.

0x1481 is the PCI ID for the IOMMU found on Starship/Matisse

0x1419 is the PCI ID for the IOMMU found on 15h (Models 10h-1fh) family

0x5a23 is the PCI ID for the IOMMU found on RD890S/RD990

Signed-off-by: default avatarBrad Love <brad@nextdimension.cc>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 6f097ddb

drivers/media/pci/cx23885/cx23885-core.c

+9 −0
Original line number Diff line number Diff line
@@ -2077,6 +2077,15 @@ static struct { 
	 * 0x1423 is the PCI ID for the IOMMU found on Kaveri

	 */

	{ PCI_VENDOR_ID_AMD, 0x1423 },

	/* 0x1481 is the PCI ID for the IOMMU found on Starship/Matisse

	 */

	{ PCI_VENDOR_ID_AMD, 0x1481 },

	/* 0x1419 is the PCI ID for the IOMMU found on 15h (Models 10h-1fh) family

	 */

	{ PCI_VENDOR_ID_AMD, 0x1419 },

	/* 0x5a23 is the PCI ID for the IOMMU found on RD890S/RD990

	 */

	{ PCI_VENDOR_ID_ATI, 0x5a23 },

};



static bool cx23885_does_need_dma_reset(void)