linux-kernel - Re: [PATCH v4 00/10] Introduce new mode validation callbacks

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Date:   Mon, 22 May 2017 11:01:43 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Jose Abreu <Jose.Abreu@...opsys.com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        Carlos Palminha <CARLOS.PALMINHA@...opsys.com>,
        Alexey Brodkin <Alexey.Brodkin@...opsys.com>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        Dave Airlie <airlied@...ux.ie>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Archit Taneja <architt@...eaurora.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v4 00/10] Introduce new mode validation callbacks

Hi Daniel,


On 22-05-2017 08:56, Daniel Vetter wrote:
> On Fri, May 19, 2017 at 01:52:09AM +0100, Jose Abreu wrote:
>> This series is a follow up from the discussion at [1]. We start by
>> introducing crtc->mode_valid(), encoder->mode_valid() and
>> bridge->mode_valid() callbacks which will be used in followup
>> patches and also by cleaning the documentation a little bit. This
>> patch is available at [2] and the series depends on it.
>>
>> We proceed by introducing new helpers to call this new callbacks
>> at 1/10.
>>
>> At 2/10 a helper function is introduced that calls all mode_valid()
>> from a set of bridges.
>>
>> Next, at 3/10 we modify the connector probe helper so that only modes
>> which are supported by a given bridge+encoder+crtc combination are
>> probbed.
>>
>> At 4/10 we call all the mode_valid() callbacks for a given pipeline,
>> except the connector->mode_valid one, so that the mode is validated.
>> This is done before calling mode_fixup().
>>
>> Finally, from 5/10 to 10/10 we use the new callbacks in drivers that
>> can implement it.
>>
>> [1] https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.kernel.org_patch_9702233_&d=DwIDAw&c=DPL6_X_6JkXFx7AXWqB0tg&r=WHDsc6kcWAl4i96Vm5hJ_19IJiuxx_p_Rzo2g-uHDKw&m=k-nrzbop60GvJmHyy9k4CfcDFfpSPQEZVA4lpNurIXo&s=rkPEIZmYcjgdVLR6jC_5SMwjNRc_Ye9r4RO95axhtwQ&e= 
>> [2] https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.freedesktop.org_archives_dri-2Ddevel_2017-2DMay_141761.html&d=DwIDAw&c=DPL6_X_6JkXFx7AXWqB0tg&r=WHDsc6kcWAl4i96Vm5hJ_19IJiuxx_p_Rzo2g-uHDKw&m=k-nrzbop60GvJmHyy9k4CfcDFfpSPQEZVA4lpNurIXo&s=z5gY8e9Yii5F4HDTa-MQojgFHenigkUt2aKPaGGVQLg&e= 
>>
>> Jose Abreu (10):
>>   drm: Add drm_{crtc/encoder/connector}_mode_valid()
>>   drm: Introduce drm_bridge_mode_valid()
>>   drm: Use new mode_valid() helpers in connector probe helper
>>   drm: Use mode_valid() in atomic modeset
>>   drm: arc: Use crtc->mode_valid() callback
>>   drm/bridge: analogix-anx78xx: Use bridge->mode_valid() callback
>>   drm/bridge/synopsys: dw-hdmi: Use bridge->mode_valid() callback
>>   drm/arm: malidp: Use crtc->mode_valid() callback
>>   drm/atmel-hlcdc: Use crtc->mode_valid() callback
>>   drm: vc4: Use crtc->mode_valid() and encoder->mode_valid() callbacks
> Looks all real nice, I think a bit more time to get acks/reviews/tested-by
> for the driver conversions and I'll go and vacuum this all up.

Yeah, I would really like someone to test these, especially the
drivers part.

>
> Thanks a lot for doing this.

No problem :) Thanks!

Best regards,
Jose Miguel Abreu

> -Daniel
>
>> Cc: Carlos Palminha <palminha@...opsys.com>
>> Cc: Alexey Brodkin <abrodkin@...opsys.com>
>> Cc: Ville Syrjälä <ville.syrjala@...ux.intel.com>
>> Cc: Daniel Vetter <daniel.vetter@...ll.ch>
>> Cc: Dave Airlie <airlied@...ux.ie>
>> Cc: Andrzej Hajda <a.hajda@...sung.com>
>> Cc: Archit Taneja <architt@...eaurora.org>
>> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
>>
>>  drivers/gpu/drm/arc/arcpgu_crtc.c              |  29 ++++---
>>  drivers/gpu/drm/arm/malidp_crtc.c              |  11 ++-
>>  drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c |   9 +--
>>  drivers/gpu/drm/bridge/analogix-anx78xx.c      |  13 ++-
>>  drivers/gpu/drm/bridge/synopsys/dw-hdmi.c      |  40 +++-------
>>  drivers/gpu/drm/drm_atomic_helper.c            |  76 +++++++++++++++++-
>>  drivers/gpu/drm/drm_bridge.c                   |  33 ++++++++
>>  drivers/gpu/drm/drm_crtc_helper_internal.h     |  13 +++
>>  drivers/gpu/drm/drm_probe_helper.c             | 105 ++++++++++++++++++++++++-
>>  drivers/gpu/drm/imx/dw_hdmi-imx.c              |   4 +-
>>  drivers/gpu/drm/meson/meson_dw_hdmi.c          |   2 +-
>>  drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c    |   2 +-
>>  drivers/gpu/drm/vc4/vc4_crtc.c                 |  13 ++-
>>  drivers/gpu/drm/vc4/vc4_dpi.c                  |  13 ++-
>>  include/drm/bridge/dw_hdmi.h                   |   2 +-
>>  include/drm/drm_bridge.h                       |   2 +
>>  16 files changed, 280 insertions(+), 87 deletions(-)
>>
>> -- 
>> 1.9.1
>>
>>