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

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Date:	Sun, 29 Jan 2012 21:23:26 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Daniel Vetter <daniel@...ll.ch>
Cc:	Keith Packard <keithp@...thp.com>, Takashi Iwai <tiwai@...e.de>,
	"intel-gfx@...ts.freedesktop..." <intel-gfx@...ts.freedesktop.org>,
	Michal Marek <mmarek@...e.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Robert Lemaire <rlemaire@...e.com>
Subject: Re: [PATCH][rebased] drm/i915: set AUD_CONFIG N_value_index for
 DisplayPort

> > Daniel, this is now based on linux-next. I use quilt, hope it also
> > works for you :)
> 
> On a quick check this patch is missing the hunk to actually write the
> aud configuration into the register. I presume that's not intentional,
> so can you please resend?

This is weird, my outbox has the below chunk. Anyway here is the
attached patch.

@@ -6107,7 +6111,9 @@ 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 */
+       } else
+               I915_WRITE(aud_config, 0);
        
Thanks,
Fengguang

View attachment "displayport-AUD_CONFIG-N_value_index.patch" of type "text/x-diff" (2788 bytes)