From: Daniel Vetter <daniel@ffwll.ch>
To: Paulo Zanoni <przanoni@gmail.com>
Cc: intel-gfx@lists.freedesktop.org, eugeni.dodonov@intel.com
Subject: Re: [PATCH 01/25] drm/i915: add new Haswell DIP controls registers
Date: Thu, 10 May 2012 10:32:24 +0200 [thread overview]
Message-ID: <20120510083224.GB4867@phenom.ffwll.local> (raw)
In-Reply-To: <CA+gsUGR=RWsqG8F-gZ5tmqF08mx8KYe+=-1VgqgBLkhEbMjxfQ@mail.gmail.com>
On Thu, May 10, 2012 at 12:03:27AM -0300, Paulo Zanoni wrote:
> 2012/5/9 Eugeni Dodonov <eugeni.dodonov@linux.intel.com>:
> >
> > Without this, I am getting a nice black screen though . But the latest
> > theory is that perhaps we just need to send any infoframe for the hardware
> > to catch up and work in HDMI mode?
> >
> I finally tested this :) I don't think anymore this is the case since
> the ddi_func_ctl register seems correct.
>
> Lots of theories:
>
> - Without this patch, you just run cpt_write_infoframe, which can be
> messing with a lot of registers that are not DIP registers on HSW
> - With the patch, you set the control register to 0 at the HDMI init
> time, which disables any DIP that might be sending bad data and
> causing the black screen
> - On my machine, with this patch, after booting and doing everything,
> the dip control register is 0x00110000, which is totally not what we
> set/want :)
Ok, can I have a minimal hsw_write_infoframe with a big yelling FIXME
which just set the hw state such that basic hdmi works?
-Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
next prev parent reply other threads:[~2012-05-10 8:31 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-09 18:37 [PATCH 00/25] Haswell fixes Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 01/25] drm/i915: add new Haswell DIP controls registers Eugeni Dodonov
2012-05-10 0:34 ` Paulo Zanoni
2012-05-10 1:02 ` Eugeni Dodonov
2012-05-10 3:03 ` Paulo Zanoni
2012-05-10 8:32 ` Daniel Vetter [this message]
2012-05-10 13:18 ` Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 02/25] drm/i915: reuse Ivy Bridge interrupts code for Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 03/25] drm/i915: add support for SBI ops Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 04/25] drm/i915: calculate watermarks for devices that have 3 pipes Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 05/25] drm/i915: properly check for pipe count Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 06/25] drm/i915: show unknown sdvox registers on hdmi init Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 07/25] drm/i915: do not use fdi_normal_train on Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 08/25] drm/i915: detect PCH encoders " Eugeni Dodonov
2012-05-09 21:46 ` Daniel Vetter
2012-05-09 23:30 ` Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 09/25] drm/i915: enable power wells on Haswell init Eugeni Dodonov
2012-05-09 21:42 ` Daniel Vetter
2012-05-09 23:29 ` Eugeni Dodonov
2012-05-10 14:48 ` Daniel Vetter
2012-05-10 15:08 ` Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 10/25] drm/i915: add LPT PCH checks Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 11/25] drm/i915: handle DDI-related assertions Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 12/25] drm/i915: account for only one PCH receiver on Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 13/25] drm/i915: initialize DDI buffer translations Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 14/25] drm/i915: support DDI training in FDI mode Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 15/25] drm/i915: use ironlake eld write routine for Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 16/25] drm/i915: define Haswell watermarks and clock gating Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 17/25] drm/i915: program WM_LINETIME on Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 18/25] drm/i915: disable pipe DDI function when disabling pipe Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 19/25] drm/i915: program iCLKIP on Lynx Point Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 20/25] drm/i915: detect digital outputs on Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 21/25] drm/i915: add support for DDI-controlled digital outputs Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 22/25] drm/i915: add WR PLL programming table Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 23/25] drm/i915: move HDMI structs to shared location Eugeni Dodonov
2012-05-09 22:05 ` Daniel Vetter
2012-05-09 18:37 ` [PATCH 24/25] drm/i915: prepare HDMI link for Haswell Eugeni Dodonov
2012-05-09 18:37 ` [PATCH 25/25] drm/i915: hook Haswell devices in place Eugeni Dodonov
2012-05-10 15:56 ` Daniel Vetter
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