drm/i915: Inline skl_update_pipe_wm() into its only caller

skl_update_pipe_wm() is quite pointless now. Just inline it into
skl_compute_wm().

v2: s/skl_build_pipe_wm/skl_update_pipe_wm/ in the commit message (Matt)

Cc: Neel Desai <neel.desai@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190312205844.6339-10-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index fca5cdd..53e9304 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5265,23 +5265,6 @@ bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
        return false;
 }
 
-static int skl_update_pipe_wm(struct intel_crtc_state *cstate,
-                             const struct skl_pipe_wm *old_pipe_wm,
-                             struct skl_pipe_wm *pipe_wm, /* out */
-                             bool *changed /* out */)
-{
-       struct intel_crtc *crtc = to_intel_crtc(cstate->base.crtc);
-       int ret;
-
-       ret = skl_build_pipe_wm(cstate);
-       if (ret)
-               return ret;
-
-       *changed = !skl_pipe_wm_equals(crtc, old_pipe_wm, pipe_wm);
-
-       return 0;
-}
-
 static u32
 pipes_modified(struct intel_atomic_state *state)
 {
@@ -5620,10 +5603,9 @@ static int
 skl_compute_wm(struct intel_atomic_state *state)
 {
        struct intel_crtc *crtc;
-       struct intel_crtc_state *cstate;
+       struct intel_crtc_state *new_crtc_state;
        struct intel_crtc_state *old_crtc_state;
        struct skl_ddb_values *results = &state->wm_results;
-       struct skl_pipe_wm *pipe_wm;
        bool changed = false;
        int ret, i;
 
@@ -5641,12 +5623,8 @@ skl_compute_wm(struct intel_atomic_state *state)
         * pipe allocations had to change.
         */
        for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
-                                           cstate, i) {
-               const struct skl_pipe_wm *old_pipe_wm =
-                       &old_crtc_state->wm.skl.optimal;
-
-               pipe_wm = &cstate->wm.skl.optimal;
-               ret = skl_update_pipe_wm(cstate, old_pipe_wm, pipe_wm, &changed);
+                                           new_crtc_state, i) {
+               ret = skl_build_pipe_wm(new_crtc_state);
                if (ret)
                        return ret;
 
@@ -5654,7 +5632,9 @@ skl_compute_wm(struct intel_atomic_state *state)
                if (ret)
                        return ret;
 
-               if (changed)
+               if (!skl_pipe_wm_equals(crtc,
+                                       &old_crtc_state->wm.skl.optimal,
+                                       &new_crtc_state->wm.skl.optimal))
                        results->dirty_pipes |= drm_crtc_mask(&crtc->base);
        }