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HDMI: just list common format when edid is not valid.

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If EDID is not valid, list following common format:
	1920x1080p-60
	1920x1080p-50
	1280x720p-60
	1280x720p-50
	720px576p-50
	720px480p-60

Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
This commit is contained in:
Zheng Yang
2015-05-21 10:26:34 +08:00
parent 5dfeb37094
commit 48c8c2e11a
1 changed files with 23 additions and 5 deletions
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28
drivers/video/rockchip/hdmi/rockchip-hdmi-lcdc.c
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@@ -528,7 +528,7 @@ int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
struct list_head *head = &hdmi->edid.modelist;
struct fb_monspecs *specs = hdmi->edid.specs;
struct fb_videomode *modedb = NULL, *mode = NULL;
int i, pixclock;
int i, pixclock, feature = hdmi->property->feature;
if (edid_ok != HDMI_ERROR_SUCESS) {
dev_err(hdmi->dev, "warning: EDID error, assume sink as HDMI !!!!");
@@ -580,12 +580,30 @@ int hdmi_ouputmode_select(struct hdmi *hdmi, int edid_ok)
(mode->yres > modedb->yres))
continue;
} else {
if (!(hdmi->property->feature & SUPPORT_4K) &&
mode->xres >= 3840)
continue;
else if (mode->pixclock > 340000000)
/* If there is no valid information in EDID,
just list common hdmi foramt. */
if (mode->xres > 3840 ||
mode->refresh < 50 ||
mode->vmode == FB_VMODE_INTERLACED)
continue;
}
if ((feature & SUPPORT_TMDS_600M) == 0 &&
mode->pixclock > 340000000)
continue;
if ((feature & SUPPORT_4K) == 0 &&
mode->xres >= 3840)
continue;
if ((feature & SUPPORT_4K_4096) == 0 &&
mode->xres == 4096)
continue;
if ((feature & SUPPORT_1080I) == 0 &&
mode->xres == 1920 &&
mode->vmode == FB_VMODE_INTERLACED)
continue;
if ((feature & SUPPORT_480I_576I) == 0 &&
mode->xres == 720 &&
mode->vmode == FB_VMODE_INTERLACED)
continue;
hdmi_add_videomode(mode, head);
}
} else {