From: Daniel Vetter <daniel@ffwll.ch>
To: paulo louro <paulo_louro@msn.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PROBLEM FOUND] Problem No HDMI when AV/TV in standby mode
Date: Tue, 24 Jan 2012 23:28:36 +0100 [thread overview]
Message-ID: <20120124222836.GH3980@phenom.ffwll.local> (raw)
In-Reply-To: <SNT121-W4F9640A828EC30804FC25968B0@phx.gbl>
On Tue, Jan 24, 2012 at 10:03:57PM +0000, paulo louro wrote:
>
> Very ugly hack,
> In file ---> intel_display.c function --- > ironlake_crtc_mode_set
> temp = I915_READ(_TRANSACONF); I915_WRITE(_TRANSACONF, temp & ~(7<<21));
> I915_WRITE( 0x60028, 0x00000000); //VSYNCSHIFT_A— Vertical Sync Shift Register This register needs to be 0x00000000 for progressive mode
> I915_WRITE(PIPECONF(pipe), pipeconf); POSTING_READ(PIPECONF(pipe));
> In file ---> i915_reg.h #define PIPECONF_INTERLACE_W_FIELD_INDICATION (7 << 21) // ( 6 << 21)
> Not sure why the PIPECONF MASK is 110 and not 111, from intel pdf 000b Progressive Fetch / Progressive display / 001b PF-ID Progressive Fetch / Interlaced display (HDMI) Requires panel fitting to be enabled
Wohoo, this is awesome. Can you maybe go right ahead and create a patch
for this? Should be nothing more than checking for an interlaced mode and
banging the right values into these registers ...
Yours, Daniel
--
Daniel Vetter
Mail: daniel@ffwll.ch
Mobile: +41 (0)79 365 57 48
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next prev parent reply other threads:[~2012-01-24 22:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <SNT121-W7C7E3ACAE77297FAF187C96960@phx.gbl>
2012-01-03 20:52 ` Problem Intel i915 driver, i3 2010T, HDMI output modes problems paulo louro
2012-01-16 20:44 ` Daniel Vetter
2012-01-16 22:09 ` Andy Burns
2012-01-17 18:41 ` Rodrigo Vivi
[not found] ` <SNT121-W63255EAF7BB7E4A9E7B9E996800@phx.gbl>
[not found] ` <SNT121-W3516D7DF19596B513763FE96840@phx.gbl>
[not found] ` <SNT121-W55FE70306E14D6CB09C48496840@phx.gbl>
2012-01-24 20:38 ` [PROBLEM FOUND] Problem No HDMI when AV/TV in standby mode paulo louro
2012-01-24 22:03 ` paulo louro
2012-01-24 22:28 ` Daniel Vetter [this message]
2012-01-26 7:06 ` paulo louro
[not found] ` <SNT121-W4614DE4465409EF84CBB9496830@phx.gbl>
2012-01-24 15:24 ` RGB Problem with Intel i915 driver, i3 2010T, RGB color output over HDMI paulo louro
2012-01-24 17:42 ` Adam Jackson
2012-01-25 20:11 ` [Working on 3.0.0-12] " paulo louro
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