drm/radeon: Save and restore bios scratch regs during S/R
[airlied:- adapted slightly in naming]
Signed-off-by: Yang Zhao <yang@yangman.ca>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index ff9e417..5bfc056 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -75,6 +75,7 @@
#define RADEON_IB_POOL_SIZE 16
#define RADEON_DEBUGFS_MAX_NUM_FILES 32
#define RADEONFB_CONN_LIMIT 4
+#define RADEON_BIOS_NUM_SCRATCH 8
enum radeon_family {
CHIP_R100,
@@ -783,6 +784,7 @@
struct radeon_asic *asic;
struct radeon_gem gem;
struct radeon_pm pm;
+ uint32_t bios_scratch[RADEON_BIOS_NUM_SCRATCH];
struct mutex cs_mutex;
struct radeon_wb wb;
struct radeon_dummy_page dummy_page;