From: Jani Nikula <jani.nikula@intel.com>
To: "Yang, Libin" <libin.yang@intel.com>,
"Lin, Mengdong" <mengdong.lin@intel.com>,
"intel-gfx@lists.freedesktop.org"
<intel-gfx@lists.freedesktop.org>
Cc: "Zhang, Keqiao" <keqiao.zhang@intel.com>,
"libin.yang@linux.intel.com" <libin.yang@linux.intel.com>,
"Pandiyan, Dhinakaran" <dhinakaran.pandiyan@intel.com>,
"Zhao, Juan J" <juan.j.zhao@intel.com>
Subject: Re: [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset
Date: Thu, 20 Oct 2016 14:34:34 +0300 [thread overview]
Message-ID: <87twc7qmnp.fsf@intel.com> (raw)
In-Reply-To: <96A12704CE18D347B625EE2D4A099D194FA49C8E@SHSMSX103.ccr.corp.intel.com>
On Thu, 20 Oct 2016, "Yang, Libin" <libin.yang@intel.com> wrote:
>> >> Any particular reason these M/N values are half of what they're in
>> >> table
>> >> 2-104 of DP 1.4 spec? (Admittedly the table is an informative
>> >> example.)
>> >
>> > For HDMI, we found only set N is enough. HW then can handle the
>> remaining.
>>
>> I meant, the M and N values in this part of the dp_aud_n_m table are 1/2 of
>> what they are in the DP spec table. Why?
>
> Which table are you meaning? I calculate the values myself. I didn't find the
> full table in DP spec. I only find the table for 270MHz and 162MHz in
> Table 2-50: Examples of Maud and Naud Values
Table 2-104 in DP 1.4. Maybe you're looking at an older version of the
spec.
BR,
Jani.
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2016-10-20 11:34 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-10 15:03 [PATCH RESEND 0/9] drm/i915/audio: audio cleanups, 4k fixes Jani Nikula
2016-10-10 15:04 ` [PATCH RESEND 1/9] drm/i915/audio: abstract audio config update Jani Nikula
2016-10-11 1:59 ` Yang, Libin
2016-10-10 15:04 ` [PATCH RESEND 2/9] drm/i915/audio: port is going to be just fine, simplify checks Jani Nikula
2016-10-11 2:37 ` Yang, Libin
2016-10-10 15:04 ` [PATCH RESEND 3/9] drm/i915/audio: use the same code for updating audio config Jani Nikula
2016-10-11 5:25 ` Yang, Libin
2016-10-10 15:04 ` [PATCH RESEND 4/9] drm/i915/audio: split dp and hdmi audio config update Jani Nikula
2016-10-11 5:42 ` Yang, Libin
2016-10-10 15:04 ` [PATCH RESEND 5/9] drm/i915/audio: set proper N/MCTS on more platforms Jani Nikula
2016-10-10 15:04 ` [PATCH RESEND 6/9] drm/i915/audio: HDMI audio gets the TMDS clock by crtc_clock Jani Nikula
2016-10-10 15:04 ` [PATCH RESEND 7/9] drm/i915/audio: add register macros for audio config N value Jani Nikula
2016-10-11 5:52 ` Yang, Libin
2016-10-10 15:04 ` [PATCH RESEND 8/9] drm/i915/audio: rename N value getter to emphasize it's for hdmi Jani Nikula
2016-10-11 5:55 ` Yang, Libin
2016-10-11 14:25 ` Jani Nikula
2016-10-10 15:04 ` [PATCH RESEND 9/9] drm/i915: set proper N/M in modeset Jani Nikula
2016-10-12 2:45 ` Lin, Mengdong
2016-10-12 6:29 ` Yang, Libin
2016-10-19 15:08 ` Jani Nikula
2016-10-20 2:00 ` Yang, Libin
2016-10-20 8:33 ` Jani Nikula
2016-10-20 8:42 ` Yang, Libin
2016-10-20 11:34 ` Jani Nikula [this message]
2016-10-20 12:02 ` Ville Syrjälä
2016-10-21 6:47 ` Yang, Libin
2016-10-21 6:21 ` Yang, Libin
2016-10-12 6:41 ` Zhang, Keqiao
2016-10-10 18:19 ` ✗ Fi.CI.BAT: warning for drm/i915/audio: audio cleanups, 4k fixes (rev3) Patchwork
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