[Intel-gfx] [PATCH] i830_driver.c:detect and initialize SDVOB and SDVOC at the same time.

Zhenyu Wang zhenyu.z.wang at intel.com
Mon Feb 16 06:26:07 CET 2009


On 2009.02.16 09:30:25 +0800, Ma Ling wrote:
> Hi all,
> I re-update the patch based on Eric's comment.
> SDVO chipset has one i2c pin pare from GMCH, usually pin 4. So we should initialize SDVOC
> at the same time when SDVOB detection is successful. However there are 2 pin pairs for GMCH:
> HDMI/DPB is on pin 4 and HDMI/DPC is on pin3, so we should detect them respectively.
> 

oh, sorry, I'm just awared that when I merged my SDVO branch into master,
my version for fixing SDVO initialization also went in...That should be identical
to your logic. Please have a look. Sorry about that.


> ---
>  src/i830_driver.c |   23 ++++++++++++-----------
>  1 files changed, 12 insertions(+), 11 deletions(-)
> 
> diff --git a/src/i830_driver.c b/src/i830_driver.c
> index 4c40d40..66ef55e 100644
> --- a/src/i830_driver.c
> +++ b/src/i830_driver.c
> @@ -912,21 +912,22 @@ I830SetupOutputs(ScrnInfoPtr pScrn)
>        i830_lvds_init(pScrn);
>  
>     if (IS_I9XX(pI830)) {
> -      if ((INREG(SDVOB) & SDVO_DETECTED) || pI830->force_sdvo_detect) {
> -	 Bool found = i830_sdvo_init(pScrn, SDVOB);
> +      Bool foundb = FALSE;
> +      Bool foundc = FALSE;
>  
> -	 if (!found && SUPPORTS_INTEGRATED_HDMI(pI830))
> -	    i830_hdmi_init(pScrn, SDVOB);
> +      if ((INREG(SDVOB) & SDVO_DETECTED) || pI830->force_sdvo_detect) {
> +	 foundb = i830_sdvo_init(pScrn, SDVOB);
> +	 foundc = i830_sdvo_init(pScrn, SDVOC);
>        }
>  
> -      if ((INREG(SDVOC) & SDVO_DETECTED) || pI830->force_sdvo_detect ||
> -	      /* SDVOC detect bit is reserved on 965G/965GM */
> -	      (IS_I965G(pI830) && !IS_G4X(pI830))) {
> -	 Bool found = i830_sdvo_init(pScrn, SDVOC);
> +      if (!foundb && (INREG(SDVOB) & SDVO_DETECTED) &&
> +	 SUPPORTS_INTEGRATED_HDMI(pI830))
> +	 i830_hdmi_init(pScrn, SDVOB);
> +
> +      if (!foundc && (INREG(SDVOC) & SDVO_DETECTED) &&
> +	 SUPPORTS_INTEGRATED_HDMI(pI830))
> +	 i830_hdmi_init(pScrn, SDVOC);
>  
> -	 if (!found && SUPPORTS_INTEGRATED_HDMI(pI830))
> -	    i830_hdmi_init(pScrn, SDVOC);
> -      }
>     } else {
>        i830_dvo_init(pScrn);
>     }
> -- 
> 1.5.4.4
> 
> 
> 
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> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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