linux-kernel - Re: [PATCH] drm/i915: set AUD_CONFIG N_value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <86ty404yhd.fsf@sumi.keithp.com>
Date:	Thu, 12 Jan 2012 09:33:34 -0800
From:	Keith Packard <keithp@...thp.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	LKML <linux-kernel@...r.kernel.org>, Takashi Iwai <tiwai@...e.de>,
	Michal Marek <mmarek@...e.com>,
	"intel-gfx\@lists.freedesktop..." <intel-gfx@...ts.freedesktop.org>,
	Robert Lemaire <rlemaire@...e.com>
Subject: Re: [PATCH] drm/i915: set AUD_CONFIG N_value_index for DisplayPort

On Tue, 10 Jan 2012 13:45:19 +0800, Wu Fengguang <fengguang.wu@...el.com> wrote:

> @@ -5943,6 +5947,7 @@ static void ironlake_write_eld(struct dr
>  	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT)) {
>  		DRM_DEBUG_DRIVER("ELD: DisplayPort detected\n");
>  		eld[5] |= (1 << 2);	/* Conn_Type, 0x1 = DisplayPort */
> +		I915_WRITE(aud_config, AUD_CONFIG_N_VALUE_INDEX); /* 0x1 = DP */
>  	}

Do we need to clear this bit in the HDMI case? Or do we just trust the
BIOS to either leave this bit zero or set it correctly?

-- 
keith.packard@...el.com

Content of type "application/pgp-signature" skipped