drm/radeon: Use direct mapping for fast fb access on RS780/RS880 (v2)
v2: fix trailing whitespace
Signed-off-by: Samuel Li <samuel.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 2c87365..a72759e 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -347,6 +347,8 @@
extern void r600_pm_misc(struct radeon_device *rdev);
extern void r600_pm_init_profile(struct radeon_device *rdev);
extern void rs780_pm_init_profile(struct radeon_device *rdev);
+extern uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg);
+extern void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
extern void r600_pm_get_dynpm_state(struct radeon_device *rdev);
extern void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes);
extern int r600_get_pcie_lanes(struct radeon_device *rdev);