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[thirdparty/kernel/stable-queue.git] / releases / 3.1.1 / drm-radeon-kms-add-msi-quirk-for-hp-rs690.patch
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1From b362105f7f5223fa4d2e03ceeea0e51da754ccc6 Mon Sep 17 00:00:00 2001
2From: Alex Deucher <alexander.deucher@amd.com>
3Date: Tue, 25 Oct 2011 15:11:08 -0400
4Subject: drm/radeon/kms: Add MSI quirk for HP RS690
5
6From: Alex Deucher <alexander.deucher@amd.com>
7
8commit b362105f7f5223fa4d2e03ceeea0e51da754ccc6 upstream.
9
10Some HP laptops only seem to work with MSIs. This
11looks like a platform/bios bug.
12
13Fixes:
14https://bugs.freedesktop.org/show_bug.cgi?id=37679
15
16Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
17Signed-off-by: Dave Airlie <airlied@redhat.com>
18Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
19
20---
21 drivers/gpu/drm/radeon/radeon_irq_kms.c | 7 +++++++
22 1 file changed, 7 insertions(+)
23
24--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
25+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
26@@ -118,6 +118,13 @@ static bool radeon_msi_ok(struct radeon_
27 if (rdev->flags & RADEON_IS_AGP)
28 return false;
29
30+ /* Quirks */
31+ /* HP RS690 only seems to work with MSIs. */
32+ if ((rdev->pdev->device == 0x791f) &&
33+ (rdev->pdev->subsystem_vendor == 0x103c) &&
34+ (rdev->pdev->subsystem_device == 0x30c2))
35+ return true;
36+
37 if (rdev->flags & RADEON_IS_IGP) {
38 /* APUs work fine with MSIs */
39 if (rdev->family >= CHIP_PALM)