drm/i915: Nuke skl wm.dirty_pipes bitmask

The dirty_pipes bitmask is now unused. Get rid of it.

Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200120174728.21095-4-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f837929..0f70953 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -801,7 +801,6 @@ struct skl_ddb_allocation {
 };
 
 struct skl_ddb_values {
-       unsigned dirty_pipes;
        struct skl_ddb_allocation ddb;
 };
 

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 8e6763c..a2d2407 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5097,23 +5097,6 @@ static bool skl_plane_wm_equals(struct drm_i915_private *dev_priv,
        return skl_wm_level_equals(&wm1->trans_wm, &wm2->trans_wm);
 }
 
-static bool skl_pipe_wm_equals(struct intel_crtc *crtc,
-                              const struct skl_pipe_wm *wm1,
-                              const struct skl_pipe_wm *wm2)
-{
-       struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-       enum plane_id plane_id;
-
-       for_each_plane_id_on_crtc(crtc, plane_id) {
-               if (!skl_plane_wm_equals(dev_priv,
-                                        &wm1->planes[plane_id],
-                                        &wm2->planes[plane_id]))
-                       return false;
-       }
-
-       return true;
-}
-
 static inline bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a,
                                           const struct skl_ddb_entry *b)
 {
@@ -5375,8 +5358,6 @@ skl_ddb_add_affected_pipes(struct intel_atomic_state *state)
         * to grab the lock on *all* CRTC's.
         */
        if (state->active_pipe_changes || state->modeset) {
-               state->wm_results.dirty_pipes = INTEL_INFO(dev_priv)->pipe_mask;
-
                ret = intel_add_all_pipes(state);
                if (ret)
                        return ret;
@@ -5451,12 +5432,8 @@ skl_compute_wm(struct intel_atomic_state *state)
        struct intel_crtc *crtc;
        struct intel_crtc_state *new_crtc_state;
        struct intel_crtc_state *old_crtc_state;
-       struct skl_ddb_values *results = &state->wm_results;
        int ret, i;
 
-       /* Clear all dirty flags */
-       results->dirty_pipes = 0;
-
        ret = skl_ddb_add_affected_pipes(state);
        if (ret)
                return ret;
@@ -5464,8 +5441,7 @@ skl_compute_wm(struct intel_atomic_state *state)
        /*
         * Calculate WM's for all pipes that are part of this transaction.
         * Note that skl_ddb_add_affected_pipes may have added more CRTC's that
-        * weren't otherwise being modified (and set bits in dirty_pipes) if
-        * pipe allocations had to change.
+        * weren't otherwise being modified if pipe allocations had to change.
         */
        for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
                                            new_crtc_state, i) {
@@ -5476,11 +5452,6 @@ skl_compute_wm(struct intel_atomic_state *state)
                ret = skl_wm_add_affected_planes(state, crtc);
                if (ret)
                        return ret;
-
-               if (!skl_pipe_wm_equals(crtc,
-                                       &old_crtc_state->wm.skl.optimal,
-                                       &new_crtc_state->wm.skl.optimal))
-                       results->dirty_pipes |= BIT(crtc->pipe);
        }
 
        ret = skl_compute_ddb(state);
@@ -5618,7 +5589,6 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
 
 void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
 {
-       struct skl_ddb_values *hw = &dev_priv->wm.skl_hw;
        struct skl_ddb_allocation *ddb = &dev_priv->wm.skl_hw.ddb;
        struct intel_crtc *crtc;
        struct intel_crtc_state *crtc_state;
@@ -5628,9 +5598,6 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
                crtc_state = to_intel_crtc_state(crtc->base.state);
 
                skl_pipe_wm_get_hw_state(crtc, &crtc_state->wm.skl.optimal);
-
-               if (crtc->active)
-                       hw->dirty_pipes |= BIT(crtc->pipe);
        }
 
        if (dev_priv->active_pipes) {