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[209.85.219.175]) by smtp.gmail.com with ESMTPSA id e21sm2070576qtw.63.2021.03.05.07.42.47 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 05 Mar 2021 07:42:48 -0800 (PST) Received: by mail-yb1-f175.google.com with SMTP id n195so2370203ybg.9 for ; Fri, 05 Mar 2021 07:42:47 -0800 (PST) X-Received: by 2002:a25:ab54:: with SMTP id u78mr15215866ybi.276.1614958967269; Fri, 05 Mar 2021 07:42:47 -0800 (PST) MIME-Version: 1.0 References: <20210115224420.1635017-1-dianders@chromium.org> In-Reply-To: <20210115224420.1635017-1-dianders@chromium.org> From: Doug Anderson Date: Fri, 5 Mar 2021 07:42:35 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 0/5] drm/panel-simple: Patches for N116BCA-EA1 To: Thierry Reding , Sam Ravnborg Cc: Rob Clark , Stephen Boyd , Daniel Vetter , David Airlie , Linus Walleij , Rob Herring , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , dri-devel , LKML Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi folks, On Fri, Jan 15, 2021 at 2:44 PM Douglas Anderson wrote: > > This series is to get the N116BCA-EA1 panel working. Most of the > patches are simple, but on hardware I have in front of me the panel > sometimes doesn't come up. I'm still working with the hardware > manufacturer to get to the bottom of it, but I've got it working with > retries. Adding the retries doesn't seem like an insane thing to do > and makes some of the error handling more robust, so I've gone ahead > and included those patches here. Hopefully they look OK. > > Changes in v2: > - Set the "unprepared_time" so if we retry we give the proper delay. > - ("drm/panel-simple: Don't wait longer for HPD...") new for v2. > - ("drm/panel-simple: Retry if we timeout waiting for HPD") new for v2. > - ("dt-bindings: dt-bindings: display: simple: Add N116BCA-EA1") new for v2. > - ("drm/panel-simple: Add N116BCA-EA1") new for v2. > > Douglas Anderson (5): > drm/panel-simple: Undo enable if HPD never asserts > drm/panel-simple: Don't wait longer for HPD than hpd_absent_delay > drm/panel-simple: Retry if we timeout waiting for HPD > dt-bindings: dt-bindings: display: simple: Add N116BCA-EA1 > drm/panel-simple: Add N116BCA-EA1 > > .../bindings/display/panel/panel-simple.yaml | 2 + > drivers/gpu/drm/panel/panel-simple.c | 84 +++++++++++++++++-- > 2 files changed, 80 insertions(+), 6 deletions(-) While this isn't massively urgent, I'm hoping to get some confirmation that it's still in someone's queue to look at. A quick "it's still in my queue" would be much appreciated! :-) If I don't hear anything then I guess next week I'll see if I can find other ways to poke folks or find a different route to land this series. Thanks! -Doug