drm: s/drm_crtc_get_hv_timings/drm_mode_get_hv_timings/

The function operates on modes, not CRTCs. Also move it into
drm_modes.[hc]. Spotted while reviewing CRTC docs.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170125062657.19270-15-daniel.vetter@ffwll.ch

drivers/gpu/drm/drm_atomic_helper.c

@@ -2367,7 +2367,7 @@ int __drm_atomic_helper_set_config(struct drm_mode_set *set,
 	if (ret != 0)
 		return ret;
 
-	drm_crtc_get_hv_timing(set->mode, &hdisplay, &vdisplay);
+	drm_mode_get_hv_timing(set->mode, &hdisplay, &vdisplay);
 
 	drm_atomic_set_fb_for_plane(primary_state, set->fb);
 	primary_state->crtc_x = 0;

drivers/gpu/drm/drm_crtc.c

@@ -481,27 +481,6 @@ int drm_mode_set_config_internal(struct drm_mode_set *set)
 }
 EXPORT_SYMBOL(drm_mode_set_config_internal);
 
-/**
- * drm_crtc_get_hv_timing - Fetches hdisplay/vdisplay for given mode
- * @mode: mode to query
- * @hdisplay: hdisplay value to fill in
- * @vdisplay: vdisplay value to fill in
- *
- * The vdisplay value will be doubled if the specified mode is a stereo mode of
- * the appropriate layout.
- */
-void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
-			    int *hdisplay, int *vdisplay)
-{
-	struct drm_display_mode adjusted;
-
-	drm_mode_copy(&adjusted, mode);
-	drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY);
-	*hdisplay = adjusted.crtc_hdisplay;
-	*vdisplay = adjusted.crtc_vdisplay;
-}
-EXPORT_SYMBOL(drm_crtc_get_hv_timing);
-
 /**
  * drm_crtc_check_viewport - Checks that a framebuffer is big enough for the
  *     CRTC viewport
@@ -519,7 +498,7 @@ int drm_crtc_check_viewport(const struct drm_crtc *crtc,
 {
 	int hdisplay, vdisplay;
 
-	drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay);
+	drm_mode_get_hv_timing(mode, &hdisplay, &vdisplay);
 
 	if (crtc->state &&
 	    drm_rotation_90_or_270(crtc->primary->state->rotation))

drivers/gpu/drm/drm_modes.c

@@ -796,6 +796,27 @@ int drm_mode_vrefresh(const struct drm_display_mode *mode)
 }
 EXPORT_SYMBOL(drm_mode_vrefresh);
 
+/**
+ * drm_mode_get_hv_timing - Fetches hdisplay/vdisplay for given mode
+ * @mode: mode to query
+ * @hdisplay: hdisplay value to fill in
+ * @vdisplay: vdisplay value to fill in
+ *
+ * The vdisplay value will be doubled if the specified mode is a stereo mode of
+ * the appropriate layout.
+ */
+void drm_mode_get_hv_timing(const struct drm_display_mode *mode,
+			    int *hdisplay, int *vdisplay)
+{
+	struct drm_display_mode adjusted;
+
+	drm_mode_copy(&adjusted, mode);
+	drm_mode_set_crtcinfo(&adjusted, CRTC_STEREO_DOUBLE_ONLY);
+	*hdisplay = adjusted.crtc_hdisplay;
+	*vdisplay = adjusted.crtc_vdisplay;
+}
+EXPORT_SYMBOL(drm_mode_get_hv_timing);
+
 /**
  * drm_mode_set_crtcinfo - set CRTC modesetting timing parameters
  * @p: mode

drivers/gpu/drm/i915/intel_display.c

@@ -11105,7 +11105,7 @@ static int intel_modeset_setup_plane_state(struct drm_atomic_state *state,
 		return PTR_ERR(plane_state);
 
 	if (mode)
-		drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay);
+		drm_mode_get_hv_timing(mode, &hdisplay, &vdisplay);
 	else
 		hdisplay = vdisplay = 0;
 
@@ -12990,7 +12990,7 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
 	 * computation to clearly distinguish it from the adjusted mode, which
 	 * can be changed by the connectors in the below retry loop.
 	 */
-	drm_crtc_get_hv_timing(&pipe_config->base.mode,
+	drm_mode_get_hv_timing(&pipe_config->base.mode,
 			       &pipe_config->pipe_src_w,
 			       &pipe_config->pipe_src_h);
 

include/drm/drm_crtc.h

@@ -824,8 +824,6 @@ static inline uint32_t drm_crtc_mask(const struct drm_crtc *crtc)
 	return 1 << drm_crtc_index(crtc);
 }
 
-void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
-			    int *hdisplay, int *vdisplay);
 int drm_crtc_force_disable(struct drm_crtc *crtc);
 int drm_crtc_force_disable_all(struct drm_device *dev);
 

include/drm/drm_modes.h

@@ -459,6 +459,8 @@ int of_get_drm_display_mode(struct device_node *np,
 void drm_mode_set_name(struct drm_display_mode *mode);
 int drm_mode_hsync(const struct drm_display_mode *mode);
 int drm_mode_vrefresh(const struct drm_display_mode *mode);
+void drm_mode_get_hv_timing(const struct drm_display_mode *mode,
+			    int *hdisplay, int *vdisplay);
 
 void drm_mode_set_crtcinfo(struct drm_display_mode *p,
 			   int adjust_flags);