drm/radeon: consolidate UVD clock programming

Instead of duplicating the code over and over again, just use a single
function to handle the clock calculations.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 3ef7543a2986..1442ce765d48 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1162,6 +1162,17 @@ void radeon_uvd_free_handles(struct radeon_device *rdev,
                              struct drm_file *filp);
 int radeon_uvd_cs_parse(struct radeon_cs_parser *parser);
 void radeon_uvd_note_usage(struct radeon_device *rdev);
+int radeon_uvd_calc_upll_dividers(struct radeon_device *rdev,
+                                  unsigned vclk, unsigned dclk,
+                                  unsigned vco_min, unsigned vco_max,
+                                  unsigned fb_factor, unsigned fb_mask,
+                                  unsigned pd_min, unsigned pd_max,
+                                  unsigned pd_even,
+                                  unsigned *optimal_fb_div,
+                                  unsigned *optimal_vclk_div,
+                                  unsigned *optimal_dclk_div);
+int radeon_uvd_send_upll_ctlreq(struct radeon_device *rdev,
+                                unsigned cg_upll_func_cntl);
 
 struct r600_audio {
         int                     channels;