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
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index ac6a352..1d9d4ca 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -797,6 +797,27 @@ 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
* @adjust_flags: a combination of adjustment flags