[PATCH] PCI: Apply quirk_amd_harvest_no_ats to all navi10 and 14 asics

Chen, Guchun Guchun.Chen at amd.com
Wed Feb 23 02:37:14 UTC 2022


Acked-by: Guchun Chen <guchun.chen at amd.com>

Regards,
Guchun

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Wednesday, February 23, 2022 12:08 AM
To: amd-gfx at lists.freedesktop.org; bhelgaas at google.com; linux-pci at vger.kernel.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
Subject: [PATCH] PCI: Apply quirk_amd_harvest_no_ats to all navi10 and 14 asics

There are enough vbios escapes without the proper workaround that some users still hit this.  MS never productized ATS on windows so OEM platforms that were windows only didn't always validate ATS.

The advantages of ATS are not worth it compared to the potential instabilities on harvested boards.  Just disable ATS on all navi10 and 14 boards.

Bug: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.freedesktop.org%2Fdrm%2Famd%2F-%2Fissues%2F1760&data=04%7C01%7Cguchun.chen%40amd.com%7C1f54cd26c00041e476d008d9f61d92e8%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637811429151667411%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=1seVVxNb09HvAGelvuyN3WuHI%2BkCkfU%2F50Zzx4rifT4%3D&reserved=0
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/pci/quirks.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 003950c738d2..ea2de1616510 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5341,11 +5341,6 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
  */
 static void quirk_amd_harvest_no_ats(struct pci_dev *pdev)  {
-	if ((pdev->device == 0x7312 && pdev->revision != 0x00) ||
-	    (pdev->device == 0x7340 && pdev->revision != 0xc5) ||
-	    (pdev->device == 0x7341 && pdev->revision != 0x00))
-		return;
-
 	if (pdev->device == 0x15d8) {
 		if (pdev->revision == 0xcf &&
 		    pdev->subsystem_vendor == 0xea50 && @@ -5367,10 +5362,19 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_amd_harvest_no_ats);
 /* AMD Iceland dGPU */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_amd_harvest_no_ats);
 /* AMD Navi10 dGPU */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7310, 
+quirk_amd_harvest_no_ats);
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7312, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7318, 
+quirk_amd_harvest_no_ats); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 
+0x7319, quirk_amd_harvest_no_ats); 
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x731a, 
+quirk_amd_harvest_no_ats); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 
+0x731b, quirk_amd_harvest_no_ats); 
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x731e, 
+quirk_amd_harvest_no_ats); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 
+0x731f, quirk_amd_harvest_no_ats);
 /* AMD Navi14 dGPU */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7340, quirk_amd_harvest_no_ats);  DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7341, quirk_amd_harvest_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7347, 
+quirk_amd_harvest_no_ats); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 
+0x734f, quirk_amd_harvest_no_ats);
 /* AMD Raven platform iGPU */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x15d8, quirk_amd_harvest_no_ats);  #endif /* CONFIG_PCI_ATS */
--
2.35.1



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