linux-kernel - Re: [Bisected] Output to external monitor is broken (Re: Linux 2.6.31-rc9)

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Message-ID: <20090908095627.GA4094@Pilar.aei.mpg.de>
Date:	Tue, 8 Sep 2009 11:56:27 +0200
From:	"Carlos R. Mafra" <crmafra2@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ma Ling <ling.ma@...el.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Zhao Yakui <yakui.zhao@...el.com>,
	Eric Anholt <eric@...olt.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Bisected] Output to external monitor is broken (Re: Linux
	2.6.31-rc9)

On Tue  8.Sep'09 at 14:58:08 +0800, Zhenyu Wang wrote:
> Carlos, I've just taken a look at that one, there're some drawbacks in
> it, but can't understand why it caused break for you. It'll be great if
> you can test with this one. 

Yes, the patch below fixes the problem here.
Thanks everyone and sorry for the delay!

> 
> From f3932299964b2616d42d7fcf734bd880009ab206 Mon Sep 17 00:00:00 2001
> From: Zhenyu Wang <zhenyuw@...ux.intel.com>
> Date: Tue, 8 Sep 2009 14:52:25 +0800
> Subject: [PATCH] drm/i915: fix mask bits setting
> 
> eDP is exclusive connector too, and add missing crtc_mask
> setting for TV.
> 
> Signed-off-by: Zhenyu Wang <zhenyuw@...ux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_dp.c  |    2 +-
>  drivers/gpu/drm/i915/intel_drv.h |    1 +
>  drivers/gpu/drm/i915/intel_tv.c  |    1 +
>  3 files changed, 3 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index f2afc4a..2b914d7 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -1263,7 +1263,7 @@ intel_dp_init(struct drm_device *dev, int output_reg)
>  
>  	if (IS_eDP(intel_output)) {
>  		intel_output->crtc_mask = (1 << 1);
> -		intel_output->clone_mask = (1 << INTEL_OUTPUT_EDP);
> +		intel_output->clone_mask = (1 << INTEL_EDP_CLONE_BIT);
>  	} else
>  		intel_output->crtc_mask = (1 << 0) | (1 << 1);
>  	connector->interlace_allowed = true;
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 25aa6fa..26a6227 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -74,6 +74,7 @@
>  #define INTEL_LVDS_CLONE_BIT 14
>  #define INTEL_DVO_TMDS_CLONE_BIT 15
>  #define INTEL_DVO_LVDS_CLONE_BIT 16
> +#define INTEL_EDP_CLONE_BIT 17
>  
>  #define INTEL_DVO_CHIP_NONE 0
>  #define INTEL_DVO_CHIP_LVDS 1
> diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
> index 2fbe13a..5b1c9e9 100644
> --- a/drivers/gpu/drm/i915/intel_tv.c
> +++ b/drivers/gpu/drm/i915/intel_tv.c
> @@ -1730,6 +1730,7 @@ intel_tv_init(struct drm_device *dev)
>  	drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
>  	tv_priv = (struct intel_tv_priv *)(intel_output + 1);
>  	intel_output->type = INTEL_OUTPUT_TVOUT;
> +	intel_output->crtc_mask = (1 << 0) | (1 << 1);
>  	intel_output->clone_mask = (1 << INTEL_TV_CLONE_BIT);
>  	intel_output->enc.possible_crtcs = ((1 << 0) | (1 << 1));
>  	intel_output->enc.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
> -- 
> 1.6.3.3
> 
> -- 
> Open Source Technology Center, Intel ltd.
> 
> $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827


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