drm/i915: Pass intel_dbuf_bw to skl_*_calc_dbuf_bw() explicitly

Make skl_*_calc_dbuf_bw() a bit lower level passing in the
to be mutated dbuf_bw struct in explicitly. This will allow
more reuse later.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250326162544.3642-5-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 898ddaf7e76b8d0ca90489b6530e112fc60c8be7..67d088da1f3801b383ca9ed1990f4b34cef346dc 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -1188,7 +1188,7 @@ static bool intel_bw_state_changed(struct intel_display *display,
        return false;
 }
 
-static void skl_plane_calc_dbuf_bw(struct intel_bw_state *bw_state,
+static void skl_plane_calc_dbuf_bw(struct intel_dbuf_bw *dbuf_bw,
                                   struct intel_crtc *crtc,
                                   enum plane_id plane_id,
                                   const struct skl_ddb_entry *ddb,
@@ -1196,7 +1196,6 @@ static void skl_plane_calc_dbuf_bw(struct intel_bw_state *bw_state,
 {
        struct intel_display *display = to_intel_display(crtc);
        struct drm_i915_private *i915 = to_i915(display->drm);
-       struct intel_dbuf_bw *dbuf_bw = &bw_state->dbuf_bw[crtc->pipe];
        unsigned int dbuf_mask = skl_ddb_dbuf_slice_mask(i915, ddb);
        enum dbuf_slice slice;
 
@@ -1210,12 +1209,11 @@ static void skl_plane_calc_dbuf_bw(struct intel_bw_state *bw_state,
        }
 }
 
-static void skl_crtc_calc_dbuf_bw(struct intel_bw_state *bw_state,
+static void skl_crtc_calc_dbuf_bw(struct intel_dbuf_bw *dbuf_bw,
                                  const struct intel_crtc_state *crtc_state)
 {
        struct intel_display *display = to_intel_display(crtc_state);
        struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-       struct intel_dbuf_bw *dbuf_bw = &bw_state->dbuf_bw[crtc->pipe];
        enum plane_id plane_id;
 
        memset(dbuf_bw, 0, sizeof(*dbuf_bw));
@@ -1231,12 +1229,12 @@ static void skl_crtc_calc_dbuf_bw(struct intel_bw_state *bw_state,
                if (plane_id == PLANE_CURSOR)
                        continue;
 
-               skl_plane_calc_dbuf_bw(bw_state, crtc, plane_id,
+               skl_plane_calc_dbuf_bw(dbuf_bw, crtc, plane_id,
                                       &crtc_state->wm.skl.plane_ddb[plane_id],
                                       crtc_state->data_rate[plane_id]);
 
                if (DISPLAY_VER(display) < 11)
-                       skl_plane_calc_dbuf_bw(bw_state, crtc, plane_id,
+                       skl_plane_calc_dbuf_bw(dbuf_bw, crtc, plane_id,
                                               &crtc_state->wm.skl.plane_ddb_y[plane_id],
                                               crtc_state->data_rate[plane_id]);
        }
@@ -1311,7 +1309,8 @@ int intel_bw_calc_min_cdclk(struct intel_atomic_state *state,
 
                old_bw_state = intel_atomic_get_old_bw_state(state);
 
-               skl_crtc_calc_dbuf_bw(new_bw_state, crtc_state);
+               skl_crtc_calc_dbuf_bw(&new_bw_state->dbuf_bw[crtc->pipe],
+                                     crtc_state);
        }
 
        if (!old_bw_state)