提交 16a5e32b 编写于 作者: D Dave Airlie

drm/radeon: disable MSI on RV515

My rv515 card is very flaky with msi enabled. Every so often it loses a rearm
and never comes back, manually banging the rearm brings it back.
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: NDave Airlie <airlied@redhat.com>
上级 e816b57a
...@@ -147,6 +147,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev) ...@@ -147,6 +147,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev)
(rdev->pdev->subsystem_device == 0x01fd)) (rdev->pdev->subsystem_device == 0x01fd))
return true; return true;
/* RV515 seems to have MSI issues where it loses
* MSI rearms occasionally. This leads to lockups and freezes.
* disable it by default.
*/
if (rdev->family == CHIP_RV515)
return false;
if (rdev->flags & RADEON_IS_IGP) { if (rdev->flags & RADEON_IS_IGP) {
/* APUs work fine with MSIs */ /* APUs work fine with MSIs */
if (rdev->family >= CHIP_PALM) if (rdev->family >= CHIP_PALM)
......
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