Attachment 20940 Details for Bug 17395 – Use CRT present bit from VBT

[patch] Use CRT present bit from VBT

0001-Use-CRT-present-bit-from-VBT.patch (text/plain), 1.77 KB, created by Wang Zhenyu on 2008-12-09 00:59:32 UTC

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Creator: Wang Zhenyu

Created: 2008-12-09 00:59:32 UTC

Size: 1.77 KB

patch

obsolete

>From c2faeff7d581fdcb7c28eccd6e0d5afa2c4a5565 Mon Sep 17 00:00:00 2001
>From: Zhenyu Wang <zhenyu.z.wang@intel.com>
>Date: Tue, 9 Dec 2008 16:50:28 +0800
>Subject: [PATCH] Use CRT present bit from VBT
>
>Obviously not all people like CRT.
>---
> src/i830.h        |    1 +
> src/i830_bios.c   |    2 ++
> src/i830_driver.c |    4 ++--
> 3 files changed, 5 insertions(+), 2 deletions(-)
>
>diff --git a/src/i830.h b/src/i830.h
>index c2e043a..04d5048 100644
>--- a/src/i830.h
>+++ b/src/i830.h
>@@ -619,6 +619,7 @@ typedef struct _I830Rec {
>    Bool skip_panel_detect;
> 
>    Bool tv_present; /* TV connector present (from VBIOS) */
>+   Bool crt_present; /* integrated CRT connector present (from VBIOS) */
> 
>    Bool StolenOnly;
> 
>diff --git a/src/i830_bios.c b/src/i830_bios.c
>index 007530d..82bbbf5 100644
>--- a/src/i830_bios.c
>+++ b/src/i830_bios.c
>@@ -144,12 +144,14 @@ parse_general_features(I830Ptr pI830, struct bdb_header *bdb)
> 
>     /* Set sensible defaults in case we can't find the general block */
>     pI830->tv_present = 1;
>+    pI830->crt_present = 1;
> 
>     general = find_section(bdb, BDB_GENERAL_FEATURES);
>     if (!general)
> 	return;
> 
>     pI830->tv_present = general->int_tv_support;
>+    pI830->crt_present = general->int_crt_support;
>     pI830->lvds_use_ssc = general->enable_ssc;
>     if (pI830->lvds_use_ssc) {
> 	if (IS_I855(pI830))
>diff --git a/src/i830_driver.c b/src/i830_driver.c
>index 3327fbf..b11a2ae 100644
>--- a/src/i830_driver.c
>+++ b/src/i830_driver.c
>@@ -904,8 +904,8 @@ I830SetupOutputs(ScrnInfoPtr pScrn)
>    int	    o, c;
>    Bool	    lvds_detected = FALSE;
> 
>-   /* everyone has at least a single analog output */
>-   i830_crt_init(pScrn);
>+   if (pI830->crt_present)
>+       i830_crt_init(pScrn);
> 
>    /* Set up integrated LVDS */
>    if (IS_MOBILE(pI830) && !IS_I830(pI830))
>-- 
>1.5.6.5
>

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