X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fdrm_modes.c;h=71a10f08522e4a8f67c914dd3a9307b4435f1c99;hb=c83ad9703e71720bb5001daab7cbaf9b8d59b084;hp=cd74a0953f42475c956d08b8339b59e64ff9b4de;hpb=4c7d83e8a8106d90d4eff971c8d070f718ac4f9c;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index cd74a0953f42..71a10f08522e 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -1401,6 +1401,13 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
 		return NULL;
 
 	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);
+	}
 	drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
 	return mode;
 }
@@ -1487,6 +1494,8 @@ int drm_mode_convert_umode(struct drm_display_mode *out,
 	if (out->status != MODE_OK)
 		goto out;
 
+	drm_mode_set_crtcinfo(out, CRTC_INTERLACE_HALVE_V);
+
 	ret = 0;
 
 out: