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