drm/radeon/kms: check/restore sanity before doing anything else with GPU.

[deliverable/linux.git] / drivers / gpu / drm / radeon / r420.c

diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index e6c89142bb4d24323920636cf0e2499c5e17cf59..59f7bccc5be0a291dcf0fcfb9487080ea93d5693 100644 (file)
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -343,6 +343,8 @@ int r420_init(struct radeon_device *rdev)
        /* Initialize surface registers */
        radeon_surface_init(rdev);
        /* TODO: disable VGA need to use VGA request */
+       /* restore some register to sane defaults */
+       r100_restore_sanity(rdev);
        /* BIOS*/
        if (!radeon_get_bios(rdev)) {
                if (ASIC_IS_AVIVO(rdev))