drm/radeon/kms: display watermark fixes

- rs780/880 were using the wrong bandwidth functions
- convert r1xx-r4xx to use the same pm sclk/mclk structs as
r5xx+
- move bandwidth setup to a common function

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 86d39cb35fe2..ef946a3af746 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -868,7 +868,6 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
 int rv770_mc_init(struct radeon_device *rdev)
 {
-        fixed20_12 a;
         u32 tmp;
         int chansize, numchan;
 
@@ -912,12 +911,8 @@ int rv770_mc_init(struct radeon_device *rdev)
                 rdev->mc.real_vram_size = rdev->mc.aper_size;
         }
         r600_vram_gtt_location(rdev, &rdev->mc);
-        /* FIXME: we should enforce default clock in case GPU is not in
-         * default setup
-         */
-        a.full = rfixed_const(100);
-        rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
-        rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+        radeon_update_bandwidth_info(rdev);
+
         return 0;
 }