drm/radeon: add hard_reset module parameter
Enabling this parameter enables pci config reset,
aka hard reset, which is a bus level chip reset.
In some cases this works more reliably than a soft
reset. Disabled by default.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ba74aad..9dd6cc4 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -99,6 +99,7 @@
extern int radeon_dpm;
extern int radeon_aspm;
extern int radeon_runtime_pm;
+extern int radeon_hard_reset;
/*
* Copy from radeon_drv.h so we don't have to include both and have conflicting