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Commit 16a5e32b authored by Dave Airlie's avatar Dave Airlie
Browse files

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: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent e816b57a

drivers/gpu/drm/radeon/radeon_irq_kms.c

+6 −0
Original line number Diff line number Diff line
@@ -147,6 +147,12 @@ static bool radeon_msi_ok(struct radeon_device *rdev) 
	    (rdev->pdev->subsystem_device == 0x01fd))

		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) {

		/* APUs work fine with MSIs */

		if (rdev->family >= CHIP_PALM)