aboutsummaryrefslogtreecommitdiff
path: root/SOURCES/0001-Revert-PCI-Add-a-REBAR-size-quirk-for-Sapphire-RX-56.patch
blob: dd8f9611e7782029ce65b4922d4266b6923922d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
From 4b4ce124699c160925e5fdeb147a78f79d38351f Mon Sep 17 00:00:00 2001
From: Simon May <simon.may@protonmail.ch>
Date: Sun, 19 Sep 2021 23:45:59 +0200
Subject: [PATCH] Revert "PCI: Add a REBAR size quirk for Sapphire RX 5600 XT
 Pulse"

This reverts commit 907830b0fc9e374d00f3c83de5e426157b482c01.
---
 drivers/pci/pci.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index a607f277c..3174fa871 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3755,14 +3755,8 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar)
 		return 0;

 	pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, &cap);
-	cap = FIELD_GET(PCI_REBAR_CAP_SIZES, cap);

-	/* Sapphire RX 5600 XT Pulse has an invalid cap dword for BAR 0 */
-	if (pdev->vendor == PCI_VENDOR_ID_ATI && pdev->device == 0x731f &&
-	    bar == 0 && cap == 0x700)
-		return 0x3f00;
-
-	return cap;
+	return (cap & PCI_REBAR_CAP_SIZES) >> 4;
 }
 EXPORT_SYMBOL(pci_rebar_get_possible_sizes);

-- 
2.30.2