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Subject[ 072/147] drm/radeon: Add MSI quirk for gateway RS690
3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@amd.com>

commit 3a6d59df80897cc87812b6826d70085905bed013 upstream.

Fixes another system on:
https://bugs.freedesktop.org/show_bug.cgi?id=37679

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/gpu/drm/radeon/radeon_irq_kms.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index c4e638d..2da4465 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -202,6 +202,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
(rdev->pdev->subsystem_device == 0x01fd))
return true;

+ /* Gateway RS690 only seems to work with MSIs. */
+ if ((rdev->pdev->device == 0x791f) &&
+ (rdev->pdev->subsystem_vendor == 0x107b) &&
+ (rdev->pdev->subsystem_device == 0x0185))
+ return true;
+
/* RV515 seems to have MSI issues where it loses
* MSI rearms occasionally. This leads to lockups and freezes.
* disable it by default.



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