drm/radeon: use callbacks for ring pointer handling (v3)
Add callbacks to the radeon_asic struct to handle
rptr/wptr fetchs and wptr updates.
We currently use one version for all rings, but this
allows us to override with a ring specific versions.
Needed for compute rings on CIK.
v2: udpate as per Christian's comments
v3: fix some rebase cruft
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 3405742..787c557 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -47,6 +47,12 @@
void radeon_legacy_set_backlight_level(struct radeon_encoder *radeon_encoder, u8 level);
u8 radeon_legacy_get_backlight_level(struct radeon_encoder *radeon_encoder);
+u32 radeon_ring_generic_get_rptr(struct radeon_device *rdev,
+ struct radeon_ring *ring);
+u32 radeon_ring_generic_get_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring);
+void radeon_ring_generic_set_wptr(struct radeon_device *rdev,
+ struct radeon_ring *ring);
/*
* r100,rv100,rs100,rv200,rs200