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From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Jani Nikula <jani.nikula@intel.com>
Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 2/3] drm: reset ELD if NULL edid is passed to drm_edid_to_eld
Date: Thu, 16 Feb 2017 17:36:58 +0200	[thread overview]
Message-ID: <20170216153658.GE31595@intel.com> (raw)
In-Reply-To: <52d10c0d908a51a9d71a06fc1a7ebb2d565b7689.1487241304.git.jani.nikula@intel.com>

On Thu, Feb 16, 2017 at 12:36:43PM +0200, Jani Nikula wrote:
> Make the function useful for resetting, not just setting, the ELD.
> 
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
> ---
>  drivers/gpu/drm/drm_edid.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 24e7b282f16c..362036360724 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -3430,6 +3430,9 @@ void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
>  
>  	memset(eld, 0, sizeof(connector->eld));
>  
> +	if (!edid)
> +		return;
> +
>  	connector->latency_present[0] = false;
>  	connector->latency_present[1] = false;
>  	connector->video_latency[0] = 0;

/me thinks the check should be after all these.

Hmm. Actually the cea ext block check below should be safe wrt.
edid==NULL, so not sure we need this at all.

-- 
Ville Syrjälä
Intel OTC
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  reply	other threads:[~2017-02-16 15:36 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-16 10:36 [PATCH 0/3] drm: handle override/firmware edid at the lowest level Jani Nikula
2017-02-16 10:36 ` [PATCH 1/3] drm: move edid property update and add modes out of edid firmware loader Jani Nikula
2017-02-16 10:36 ` [PATCH 2/3] drm: reset ELD if NULL edid is passed to drm_edid_to_eld Jani Nikula
2017-02-16 15:36   ` Ville Syrjälä [this message]
2017-02-17 14:02     ` Jani Nikula
2017-02-17 14:06       ` Ville Syrjälä
     [not found] ` <cover.1487240619.git.jani.nikula@intel.com>
2017-02-16 10:36   ` [PATCH 3/3] drm: handle override edid and firmware adid at drm_do_get_edid() Jani Nikula
2017-02-16 10:40     ` Jani Nikula
2017-02-16 10:36 ` [PATCH 3/3] drm: handle override edid and firmware EDID at drm_do_get_edid() level Jani Nikula
2017-02-16 15:41   ` Ville Syrjälä
2017-02-16 17:54     ` Jani Nikula
2017-02-16 18:18       ` Ville Syrjälä
2017-02-16 18:59         ` Jani Nikula
2017-02-16 19:14           ` Ville Syrjälä
2017-02-26 20:50             ` Daniel Vetter
2017-02-16 15:00 ` ✗ Fi.CI.BAT: failure for drm: handle override/firmware edid at the lowest level Patchwork

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