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path: root/drivers/gpu/drm/drm_modes.c
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Diffstat (limited to 'drivers/gpu/drm/drm_modes.c')
-rw-r--r--drivers/gpu/drm/drm_modes.c28
1 files changed, 22 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index e6b19bc..fd22c1c 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -797,6 +797,26 @@ 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 = *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
@@ -1461,12 +1481,8 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
mode->type |= DRM_MODE_TYPE_USERDEF;
/* fix up 1368x768: GFT/CVT can't express 1366 width due to alignment */
- if (cmd->xres == 1366 && mode->hdisplay == 1368) {
- mode->hdisplay = 1366;
- mode->hsync_start--;
- mode->hsync_end--;
- drm_mode_set_name(mode);
- }
+ if (cmd->xres == 1366)
+ drm_mode_fixup_1366x768(mode);
drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
return mode;
}
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