drm/i915: Move intel_ddi_get_crtc_new_encoder() out from ddi code

The ddi code no longer uses intel_ddi_get_crtc_new_encoder(). Move it
elsewhere where we have some users left.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180518152931.13104-1-ville.syrjala@linux.intel.com

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 1665bc5..3b8f128 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1243,35 +1243,6 @@ intel_ddi_get_crtc_encoder(struct intel_crtc *crtc)
        return ret;
 }
 
-/* Finds the only possible encoder associated with the given CRTC. */
-struct intel_encoder *
-intel_ddi_get_crtc_new_encoder(struct intel_crtc_state *crtc_state)
-{
-       struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
-       struct intel_encoder *ret = NULL;
-       struct drm_atomic_state *state;
-       struct drm_connector *connector;
-       struct drm_connector_state *connector_state;
-       int num_encoders = 0;
-       int i;
-
-       state = crtc_state->base.state;
-
-       for_each_new_connector_in_state(state, connector, connector_state, i) {
-               if (connector_state->crtc != crtc_state->base.crtc)
-                       continue;
-
-               ret = to_intel_encoder(connector_state->best_encoder);
-               num_encoders++;
-       }
-
-       WARN(num_encoders != 1, "%d encoders on crtc for pipe %c\n", num_encoders,
-            pipe_name(crtc->pipe));
-
-       BUG_ON(ret == NULL);
-       return ret;
-}
-
 #define LC_FREQ 2700
 
 static int hsw_ddi_calc_wrpll_link(struct drm_i915_private *dev_priv,

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 12226a2..16f9a9b 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4590,6 +4590,35 @@ static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc)
        }
 }
 
+/*
+ * Finds the encoder associated with the given CRTC. This can only be
+ * used when we know that the CRTC isn't feeding multiple encoders!
+ */
+static struct intel_encoder *
+intel_get_crtc_new_encoder(const struct intel_crtc_state *crtc_state)
+{
+       struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+       const struct drm_atomic_state *state = crtc_state->base.state;
+       const struct drm_connector_state *connector_state;
+       const struct drm_connector *connector;
+       struct intel_encoder *encoder = NULL;
+       int num_encoders = 0;
+       int i;
+
+       for_each_new_connector_in_state(state, connector, connector_state, i) {
+               if (connector_state->crtc != &crtc->base)
+                       continue;
+
+               encoder = to_intel_encoder(connector_state->best_encoder);
+               num_encoders++;
+       }
+
+       WARN(num_encoders != 1, "%d encoders for pipe %c\n",
+            num_encoders, pipe_name(crtc->pipe));
+
+       return encoder;
+}
+
 /* Return which DP Port should be selected for Transcoder DP control */
 static enum port
 intel_trans_dp_port_sel(struct intel_crtc *crtc)
@@ -9103,7 +9132,7 @@ static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
 {
        if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI)) {
                struct intel_encoder *encoder =
-                       intel_ddi_get_crtc_new_encoder(crtc_state);
+                       intel_get_crtc_new_encoder(crtc_state);
 
                if (!intel_get_shared_dpll(crtc, crtc_state, encoder)) {
                        DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n",

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 2bf383b..e919e00 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1393,8 +1393,6 @@ void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
                                       enum transcoder cpu_transcoder);
 void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state);
 void intel_ddi_disable_pipe_clock(const  struct intel_crtc_state *crtc_state);
-struct intel_encoder *
-intel_ddi_get_crtc_new_encoder(struct intel_crtc_state *crtc_state);
 void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state);
 void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp);
 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);