1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index f88c1a245036..914d9ee8fd35 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -125,6 +125,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
             (rdev->pdev->subsystem_device == 0x30c2))
                 return true;
 
+        /* Dell RS690 only seems to work with MSIs. */
+        if ((rdev->pdev->device == 0x791f) &&
+            (rdev->pdev->subsystem_vendor == 0x1028) &&
+            (rdev->pdev->subsystem_device == 0x01fd))
+                return true;
+
         if (rdev->flags & RADEON_IS_IGP) {
                 /* APUs work fine with MSIs */
                 if (rdev->family >= CHIP_PALM)