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[2/3] fbdev: sh-mobile: retrieve and propagate display sizes from EDID

Message ID Pine.LNX.4.64.1012211054060.32347@axis700.grange (mailing list archive)
State Accepted
Commit 8c1ac08b38af0c477ae32df9f4625b7dbddea1ea
Headers show

Commit Message

Guennadi Liakhovetski Dec. 21, 2010, 10:46 a.m. UTC
None
diff mbox

Patch

diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index d7df103..fcda0e9 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -787,6 +787,9 @@  static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
 		found_rate_error = rate_error;
 	}
 
+	hdmi->var.width = hdmi->monspec.max_x * 10;
+	hdmi->var.height = hdmi->monspec.max_y * 10;
+
 	/*
 	 * TODO 1: if no ->info is present, postpone running the config until
 	 * after ->info first gets registered.
@@ -960,8 +963,12 @@  static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
 	dev_dbg(info->dev, "Old %ux%u, new %ux%u\n",
 		mode1.xres, mode1.yres, mode2.xres, mode2.yres);
 
-	if (fb_mode_is_equal(&mode1, &mode2))
+	if (fb_mode_is_equal(&mode1, &mode2)) {
+		/* It can be a different monitor with an equal video-mode */
+		old_var->width = new_var->width;
+		old_var->height = new_var->height;
 		return false;
+	}
 
 	dev_dbg(info->dev, "Switching %u -> %u lines\n",
 		mode1.yres, mode2.yres);
@@ -1057,8 +1064,11 @@  static void sh_hdmi_edid_work_fn(struct work_struct *work)
 			 * on, if we run a resume here, the logo disappears
 			 */
 			if (lock_fb_info(hdmi->info)) {
-				sh_hdmi_display_on(hdmi, hdmi->info);
-				unlock_fb_info(hdmi->info);
+				struct fb_info *info = hdmi->info;
+				info->var.width = hdmi->var.width;
+				info->var.height = hdmi->var.height;
+				sh_hdmi_display_on(hdmi, info);
+				unlock_fb_info(info);
 			}
 		} else {
 			/* New monitor or have to wake up */