Replace to_bpp_int_roundup() defined by the driver with the equivalent
drm_x16_to_int_roundup() defined by DRM core.

Signed-off-by: Imre Deak <imre.d...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_cdclk.c         | 4 +++-
 drivers/gpu/drm/i915/display/intel_display_types.h | 5 -----
 drivers/gpu/drm/i915/display/intel_dp.c            | 6 +++---
 drivers/gpu/drm/i915/display/intel_dp_mst.c        | 2 +-
 4 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c 
b/drivers/gpu/drm/i915/display/intel_cdclk.c
index c5bc49e48c882..3aebf42b50cf6 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -23,6 +23,8 @@
 
 #include <linux/time.h>
 
+#include <drm/drm_fixed.h>
+
 #include "hsw_ips.h"
 #include "i915_reg.h"
 #include "intel_atomic.h"
@@ -2749,7 +2751,7 @@ static int intel_vdsc_min_cdclk(const struct 
intel_crtc_state *crtc_state)
                 */
                int bigjoiner_interface_bits = DISPLAY_VER(i915) >= 14 ? 36 : 
24;
                int min_cdclk_bj =
-                       (to_bpp_int_roundup(crtc_state->dsc.compressed_bpp_x16) 
*
+                       
(drm_x16_to_int_roundup(crtc_state->dsc.compressed_bpp_x16) *
                         pixel_clock) / (2 * bigjoiner_interface_bits);
 
                min_cdclk = max(min_cdclk, min_cdclk_bj);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 0d0ab54ab9ebf..68f37029dbd88 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -2176,11 +2176,6 @@ static inline int to_bpp_frac(int bpp_x16)
 #define BPP_X16_FMT            "%d.%04d"
 #define BPP_X16_ARGS(bpp_x16)  drm_x16_to_int(bpp_x16), (to_bpp_frac(bpp_x16) 
* 625)
 
-static inline int to_bpp_int_roundup(int bpp_x16)
-{
-       return (bpp_x16 + 0xf) >> 4;
-}
-
 /*
  * Conversion functions/macros from various pointer types to struct
  * intel_display pointer.
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c 
b/drivers/gpu/drm/i915/display/intel_dp.c
index 25284d2318096..67d0348152878 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1982,7 +1982,7 @@ static int dsc_compute_compressed_bpp(struct intel_dp 
*intel_dp,
        dsc_src_min_bpp = dsc_src_min_compressed_bpp();
        dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(pipe_config);
        dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp);
-       dsc_min_bpp = max(dsc_min_bpp, 
to_bpp_int_roundup(limits->link.min_bpp_x16));
+       dsc_min_bpp = max(dsc_min_bpp, 
drm_x16_to_int_roundup(limits->link.min_bpp_x16));
 
        dsc_src_max_bpp = dsc_src_max_compressed_bpp(intel_dp);
        dsc_sink_max_bpp = intel_dp_dsc_sink_max_compressed_bpp(connector,
@@ -2144,7 +2144,7 @@ static int intel_edp_dsc_compute_pipe_bpp(struct intel_dp 
*intel_dp,
        dsc_src_min_bpp = dsc_src_min_compressed_bpp();
        dsc_sink_min_bpp = intel_dp_dsc_sink_min_compressed_bpp(pipe_config);
        dsc_min_bpp = max(dsc_src_min_bpp, dsc_sink_min_bpp);
-       dsc_min_bpp = max(dsc_min_bpp, 
to_bpp_int_roundup(limits->link.min_bpp_x16));
+       dsc_min_bpp = max(dsc_min_bpp, 
drm_x16_to_int_roundup(limits->link.min_bpp_x16));
 
        dsc_src_max_bpp = dsc_src_max_compressed_bpp(intel_dp);
        dsc_sink_max_bpp = intel_dp_dsc_sink_max_compressed_bpp(connector,
@@ -2370,7 +2370,7 @@ int intel_dp_config_required_rate(const struct 
intel_crtc_state *crtc_state)
        const struct drm_display_mode *adjusted_mode =
                &crtc_state->hw.adjusted_mode;
        int bpp = crtc_state->dsc.compression_enable ?
-               to_bpp_int_roundup(crtc_state->dsc.compressed_bpp_x16) :
+               drm_x16_to_int_roundup(crtc_state->dsc.compressed_bpp_x16) :
                crtc_state->pipe_bpp;
 
        return intel_dp_link_required(adjusted_mode->crtc_clock, bpp);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c 
b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index a67b2ee7af750..09c1ca63362e7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -378,7 +378,7 @@ static int intel_dp_dsc_mst_compute_link_config(struct 
intel_encoder *encoder,
 
        min_compressed_bpp = intel_dp_dsc_sink_min_compressed_bpp(crtc_state);
        min_compressed_bpp = max(min_compressed_bpp,
-                                to_bpp_int_roundup(limits->link.min_bpp_x16));
+                                
drm_x16_to_int_roundup(limits->link.min_bpp_x16));
 
        drm_dbg_kms(&i915->drm, "DSC Sink supported compressed min bpp %d 
compressed max bpp %d\n",
                    min_compressed_bpp, max_compressed_bpp);
-- 
2.43.3

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