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path: root/drivers/gpu/drm/radeon/radeon_drv.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_drv.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index b088507..d688f6c 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -191,6 +191,7 @@ int radeon_use_pflipirq = 2;
int radeon_bapm = -1;
int radeon_backlight = -1;
int radeon_auxch = -1;
+int radeon_mst = 0;
MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
module_param_named(no_wb, radeon_no_wb, int, 0444);
@@ -279,6 +280,9 @@ module_param_named(backlight, radeon_backlight, int, 0444);
MODULE_PARM_DESC(auxch, "Use native auxch experimental support (1 = enable, 0 = disable, -1 = auto)");
module_param_named(auxch, radeon_auxch, int, 0444);
+MODULE_PARM_DESC(mst, "DisplayPort MST experimental support (1 = enable, 0 = disable)");
+module_param_named(mst, radeon_mst, int, 0444);
+
static struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};