drm/nv50-/kms: move identical scaler mode fixup code into a function

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 490b908..4f544f3 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -1465,6 +1465,26 @@ out:
        return ret;
 }
 
+/******************************************************************************
+ * Encoder helpers
+ *****************************************************************************/
+static bool
+nv50_encoder_mode_fixup(struct drm_encoder *encoder,
+                       const struct drm_display_mode *mode,
+                       struct drm_display_mode *adjusted_mode)
+{
+       struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+       struct nouveau_connector *nv_connector;
+
+       nv_connector = nouveau_encoder_connector_get(nv_encoder);
+       if (nv_connector && nv_connector->native_mode) {
+               if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE)
+                       drm_mode_copy(adjusted_mode, nv_connector->native_mode);
+       }
+
+       return true;
+}
+
 /******************************************************************************
  * DAC
  *****************************************************************************/
@@ -1492,26 +1512,6 @@ nv50_dac_dpms(struct drm_encoder *encoder, int mode)
        nvif_mthd(disp->disp, 0, &args, sizeof(args));
 }
 
-static bool
-nv50_dac_mode_fixup(struct drm_encoder *encoder,
-                   const struct drm_display_mode *mode,
-                   struct drm_display_mode *adjusted_mode)
-{
-       struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-       struct nouveau_connector *nv_connector;
-
-       nv_connector = nouveau_encoder_connector_get(nv_encoder);
-       if (nv_connector && nv_connector->native_mode) {
-               if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
-                       int id = adjusted_mode->base.id;
-                       *adjusted_mode = *nv_connector->native_mode;
-                       adjusted_mode->base.id = id;
-               }
-       }
-
-       return true;
-}
-
 static void
 nv50_dac_commit(struct drm_encoder *encoder)
 {
@@ -1629,7 +1629,7 @@ nv50_dac_destroy(struct drm_encoder *encoder)
 
 static const struct drm_encoder_helper_funcs nv50_dac_hfunc = {
        .dpms = nv50_dac_dpms,
-       .mode_fixup = nv50_dac_mode_fixup,
+       .mode_fixup = nv50_encoder_mode_fixup,
        .prepare = nv50_dac_disconnect,
        .commit = nv50_dac_commit,
        .mode_set = nv50_dac_mode_set,
@@ -1834,26 +1834,6 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode)
        }
 }
 
-static bool
-nv50_sor_mode_fixup(struct drm_encoder *encoder,
-                   const struct drm_display_mode *mode,
-                   struct drm_display_mode *adjusted_mode)
-{
-       struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-       struct nouveau_connector *nv_connector;
-
-       nv_connector = nouveau_encoder_connector_get(nv_encoder);
-       if (nv_connector && nv_connector->native_mode) {
-               if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
-                       int id = adjusted_mode->base.id;
-                       *adjusted_mode = *nv_connector->native_mode;
-                       adjusted_mode->base.id = id;
-               }
-       }
-
-       return true;
-}
-
 static void
 nv50_sor_ctrl(struct nouveau_encoder *nv_encoder, u32 mask, u32 data)
 {
@@ -2035,7 +2015,7 @@ nv50_sor_destroy(struct drm_encoder *encoder)
 
 static const struct drm_encoder_helper_funcs nv50_sor_hfunc = {
        .dpms = nv50_sor_dpms,
-       .mode_fixup = nv50_sor_mode_fixup,
+       .mode_fixup = nv50_encoder_mode_fixup,
        .prepare = nv50_sor_disconnect,
        .commit = nv50_sor_commit,
        .mode_set = nv50_sor_mode_set,
@@ -2112,18 +2092,8 @@ nv50_pior_mode_fixup(struct drm_encoder *encoder,
                     const struct drm_display_mode *mode,
                     struct drm_display_mode *adjusted_mode)
 {
-       struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-       struct nouveau_connector *nv_connector;
-
-       nv_connector = nouveau_encoder_connector_get(nv_encoder);
-       if (nv_connector && nv_connector->native_mode) {
-               if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
-                       int id = adjusted_mode->base.id;
-                       *adjusted_mode = *nv_connector->native_mode;
-                       adjusted_mode->base.id = id;
-               }
-       }
-
+       if (!nv50_encoder_mode_fixup(encoder, mode, adjusted_mode))
+               return false;
        adjusted_mode->clock *= 2;
        return true;
 }