[ 095/133] drm/radeon: Add MSI quirk for gateway RS690

[Greg Kroah-Hartman]

3.5-stable review patch.  If anyone has any objections, please let me know.

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

From: Alex Deucher <alexander.deucher@xxxxxxx>

commit 3a6d59df80897cc87812b6826d70085905bed013 upstream.

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

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/radeon/radeon_irq_kms.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -149,6 +149,12 @@ static bool radeon_msi_ok(struct radeon_
 	    (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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