[Intel-gfx] [PATCH 1/3] Revert "Skip intel_crt_init for Dell XPS 8700"

[Daniel Vetter]

On Mon, Sep 26, 2016 at 12:20:44PM +0300, ville.syrjala at linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> This reverts commit 10b6ee4a87811a110cb01eaca01eb04da6801baf.
> 
> According to [1] Dell XPS8700 VBT says 'int_crt_support 0', so thanks
> to commit e4abb733bb72 ("drm/i915: Check VBT for CRT port presence on
> HSW/BDW") we no longer need to blacklist it based on DMI.
> 
> Looking through the bug report, SFUSE_STRAP based detection was
> apparently also tried and failed, but the VBT based one should still
> work just fine.
> 
> The commit says that the symptom was a frozen machine, but based on the
> bug report it doesn't look like the CRT detection was at least directly
> responsible for such a drastic outcome.
> 
> Cc: Giacomo Comes <comes at naic.edu>
> References: https://bugs.freedesktop.org/show_bug.cgi?id=73559
> References: http://lists.freedesktop.org/archives/intel-gfx/2014-January/038178.html [1]
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Seems all rather reasonable. On all 3 patches:

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/intel_crt.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
> index 88ebbdde185a..ba372c239d48 100644
> --- a/drivers/gpu/drm/i915/intel_crt.c
> +++ b/drivers/gpu/drm/i915/intel_crt.c
> @@ -823,14 +823,6 @@ static const struct dmi_system_id intel_no_crt[] = {
>  			DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"),
>  		},
>  	},
> -	{
> -		.callback = intel_no_crt_dmi_callback,
> -		.ident = "DELL XPS 8700",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> -			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 8700"),
> -		},
> -	},
>  	{ }
>  };
>  
> -- 
> 2.7.4
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch