linux-kernel - Re: [PATCH] drm: clarify adjusted_mode for a bridge connected to a crtc

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Message-ID: <aaf61d18-f68f-9188-f5ef-9a32b41d7560@st.com>
Date:   Thu, 5 Apr 2018 15:15:58 +0000
From:   Philippe CORNU <philippe.cornu@...com>
To:     Daniel Vetter <daniel@...ll.ch>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>
CC:     Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Gustavo Padovan <gustavo@...ovan.org>,
        "Maarten Lankhorst" <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        David Airlie <airlied@...ux.ie>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Yannick FERTRE <yannick.fertre@...com>,
        Vincent ABRIOU <vincent.abriou@...com>
Subject: Re: [PATCH] drm: clarify adjusted_mode for a bridge connected to a
 crtc

On 03/29/2018 09:39 AM, Daniel Vetter wrote:
> On Thu, Mar 29, 2018 at 9:35 AM, Philippe CORNU <philippe.cornu@...com> wrote:
>> Hi Daniel,
>>
>> On 03/27/2018 05:51 PM, Daniel Vetter wrote:
>>> On Mon, Feb 26, 2018 at 01:16:04PM +0100, Philippe Cornu wrote:
>>>> This patch clarifies the adjusted_mode documentation
>>>> for a bridge directly connected to a crtc.
>>>>
>>>> Signed-off-by: Philippe Cornu <philippe.cornu@...com>
>>>> ---
>>>> This patch is linked to the discussion https://lkml.org/lkml/2018/1/25/367
>>>
>>> Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>
>>
>> Many thanks for the review.
>>
>>>
>>> Aside, and kinda why I noticed this patch to begin with: You have drm-misc
>>> commit rights, but you seem to not use that. And with 18 patches in the
>>> 4.17 cycle you're the top contributor who's not pushing his own patches.
>>>
>>> What's the hold-up? Tools don't work, or something else? I really think
>>> regular contributors should just push their own stuff themselves (after
>>> appropriate review ofc).
>>> -Daniel
>>>
>>
>> I still consider myself a drm “beginner”, my first patch in drm was last
>> summer so less than 1 year ago.
> 
> You're doing great patches, and at least for drm-misc you're the top
> contributor who doesn't push stuff himself. You're definitely ready to
> do so!
> 
>> However, thank you for your encouraging return, I will immediately study
>> the matter (dim...) and prepare myself.
> 
> Yes please. And for any questions please ask on #dri-devel on
> freenode, we're all happy to help out.
> -Daniel

Hi Daniel & Benjamin,

I managed to push a first patch on drm-misc-next :-)

No particular difficulties with dim installation, main encountered 
issues are "corporate proxies" & ubuntu package updates...

So this email is mostly to thank you Benjamin for your good advice and 
support when using dim.

Big thanks,
Philippe :-)

> 
>>
>> Thank you,
>> Philippe :-)
>>
>>>>
>>>>    include/drm/drm_bridge.h | 3 ++-
>>>>    1 file changed, 2 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
>>>> index 3270fec46979..b5f3c070467c 100644
>>>> --- a/include/drm/drm_bridge.h
>>>> +++ b/include/drm/drm_bridge.h
>>>> @@ -177,7 +177,8 @@ struct drm_bridge_funcs {
>>>>        * pipeline has been called already. If the bridge is the first element
>>>>        * then this would be &drm_encoder_helper_funcs.mode_set. The display
>>>>        * pipe (i.e.  clocks and timing signals) is off when this function is
>>>> -     * called.
>>>> +     * called. If the bridge is connected to the crtc, the adjusted_mode
>>>> +     * parameter is the one defined in &drm_crtc_state.adjusted_mode.
>>>>        */
>>>>       void (*mode_set)(struct drm_bridge *bridge,
>>>>                        struct drm_display_mode *mode,
>>>> --
>>>> 2.15.1
>>>>
>>>> _______________________________________________
>>>> dri-devel mailing list
>>>> dri-devel@...ts.freedesktop.org
>>>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>>>
>> _______________________________________________
>> dri-devel mailing list
>> dri-devel@...ts.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 
> 
> 

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