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fbdev: sh_mobile_hdmi: improve support for more video modes

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Configure pre-programmed VIC modes for VGA (640x480@60) and 720x576@50
modes, change PHY mode selection to be based on pixel clock frequency.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Guennadi Liakhovetski 2010-11-02 11:27:20 +00:00 committed by Paul Mundt
parent c36940e678
commit 8c183ecee2
1 changed files with 10 additions and 4 deletions
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14
drivers/video/sh_mobile_hdmi.c
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@ -466,7 +466,7 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
{
if (hdmi->var.yres > 480) {
if (hdmi->var.pixclock < 30000) {
/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
/*
* [1:0] Speed_A
@ -570,8 +570,12 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
*/
if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
vic = 16;
else if (hdmi->var.yres == 576 && hdmi->var.xres == 720)
vic = 17;
else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
vic = 2;
else if (hdmi->var.yres == 480 && hdmi->var.xres == 640)
vic = 1;
else
vic = 4;
hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
@ -824,9 +828,11 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
if (!found)
return -ENXIO;
if ((found->xres == 720 && found->yres == 480) ||
(found->xres == 1280 && found->yres == 720) ||
(found->xres == 1920 && found->yres == 1080))
if ((found->xres == 640 && found->yres == 480 && found->refresh == 60) ||
(found->xres == 720 && found->yres == 480 && found->refresh == 60) ||
(found->xres == 720 && found->yres == 576 && found->refresh == 50) ||
(found->xres == 1280 && found->yres == 720 && found->refresh == 60) ||
(found->xres == 1920 && found->yres == 1080 && found->refresh == 60))
hdmi->preprogrammed_mode = true;
else
hdmi->preprogrammed_mode = false;