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authorGuennadi Liakhovetski2010-12-21 11:46:35 +0100
committerPaul Mundt2010-12-22 16:28:31 +0900
commit8c1ac08b38af0c477ae32df9f4625b7dbddea1ea (patch)
tree3c6e3d12e1c5cef1bcc6347f51432283cff4e5fc /drivers/video
parente0b9fb26266778cc749365b98041c5b7ef6f10f8 (diff)
fbdev: sh-mobile: retrieve and propagate display sizes from EDID
Monitor EDID contains information about physical display sizes. Retrieve it and propagate to the framebuffer driver. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/sh_mobile_hdmi.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index d7df10315d8d..fcda0e970113 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 */