From: Andrzej Hajda <a.hajda@samsung.com>
To: Brian Masney <masneyb@onstation.org>
Cc: bjorn.andersson@linaro.org, robh+dt@kernel.org,
agross@kernel.org, narmstrong@baylibre.com, robdclark@gmail.com,
sean@poorly.run, airlied@linux.ie, daniel@ffwll.ch,
mark.rutland@arm.com, Laurent.pinchart@ideasonboard.com,
jonas@kwiboo.se, jernej.skrabec@siol.net,
linus.walleij@linaro.org, enric.balletbo@collabora.com,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
freedreno@lists.freedesktop.org
Subject: Re: [PATCH 00/11] ARM: dts: qcom: msm8974: add support for external display
Date: Mon, 16 Sep 2019 14:02:04 +0200 [thread overview]
Message-ID: <53f18b9f-ad23-563c-dc18-be71f3ec2c49@samsung.com> (raw)
In-Reply-To: <20190916090150.GA349@onstation.org>
On 16.09.2019 11:01, Brian Masney wrote:
> Hi Andrzej,
>
> On Mon, Sep 16, 2019 at 10:13:58AM +0200, Andrzej Hajda wrote:
>> Hi Brian,
>>
>> On 15.08.2019 02:48, Brian Masney wrote:
>>> This patch series begins to add support for the external display over
>>> HDMI that is supported on msm8974 SoCs. I'm testing this series on the
>>> Nexus 5, and I'm able to communicate with the HDMI bridge via the
>>> analogix-anx78xx driver, however the external display is not working
>>> yet.
>>>
>>> When I plug in the HDMI cable, the monitor detects that a device is
>>> hooked up, but nothing is shown on the external monitor. The hot plug
>>> detect GPIO (hpd-gpios) on the analogix-anx78xx bridge and MSM HDMI
>>> drivers do not change state when the slimport adapter or HDMI cable is
>>> plugged in or removed. I wonder if a regulator is not enabled somewhere?
>>> I have a comment in patch 10 regarding 'hpd-gdsc-supply' that may
>>> potentially be an issue.
>>>
>>> I'm still digging in on this, however I'd appreciate any feedback if
>>> anyone has time. Most of these patches are ready now, so I marked the
>>> ones that aren't ready with 'PATCH RFC'.
>>>
>>> I'm using an Analogix Semiconductor SP6001 SlimPort Micro-USB to 4K HDMI
>>> Adapter to connect my phone to an external display via a standard HDMI
>>> cable. This works just fine with the downstream MSM kernel using
>>> Android.
>>
>> This patchset risks to be forgotten. To avoid it, at least partially, I
>> can merge patches 1-5, is it OK for you?
> That would be great if you could do that.
I have queued 1-4 to drm-misc-next. 5th patch requires some discussion.
Regards
Andrzej
>
> Thanks,
>
> Brian
>
>
prev parent reply other threads:[~2019-09-16 12:02 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190815004916epcas3p4d8a62e215eff5e227721d3449e6bfbd3@epcas3p4.samsung.com>
2019-08-15 0:48 ` Brian Masney
2019-08-15 0:48 ` [PATCH 01/11] dt-bindings: drm/bridge: analogix-anx78xx: add new variants Brian Masney
2019-08-15 8:17 ` Linus Walleij
2019-08-27 16:20 ` Rob Herring
2019-08-15 0:48 ` [PATCH 02/11] " Brian Masney
2019-08-15 8:17 ` Linus Walleij
2019-08-15 0:48 ` [PATCH 03/11] drm/bridge: analogix-anx78xx: silence -EPROBE_DEFER warnings Brian Masney
2019-08-15 8:35 ` Linus Walleij
2019-08-15 0:48 ` [PATCH 04/11] drm/bridge: analogix-anx78xx: convert to i2c_new_dummy_device Brian Masney
2019-08-15 8:18 ` Linus Walleij
2019-08-15 0:48 ` [PATCH 05/11] drm/bridge: analogix-anx78xx: correct value of TX_P0 Brian Masney
2019-08-15 8:24 ` Linus Walleij
2019-09-16 10:02 ` Andrzej Hajda
2019-09-16 10:36 ` Brian Masney
2019-09-16 10:49 ` Laurent Pinchart
2019-09-16 11:32 ` Enric Balletbo i Serra
2019-09-16 12:02 ` Brian Masney
2019-09-16 12:25 ` Andrzej Hajda
2019-09-17 7:28 ` Andrzej Hajda
2019-09-16 10:36 ` Enric Balletbo i Serra
2019-09-16 10:40 ` Brian Masney
2019-08-15 0:48 ` [PATCH RFC 06/11] drm/bridge: analogix-anx78xx: add support for avdd33 regulator Brian Masney
2019-08-15 8:22 ` Linus Walleij
2019-08-15 22:51 ` Brian Masney
2019-08-15 0:48 ` [PATCH 07/11] ARM: qcom_defconfig: add CONFIG_DRM_ANALOGIX_ANX78XX Brian Masney
2019-08-15 8:23 ` Linus Walleij
2019-08-15 0:48 ` [PATCH 08/11] drm/msm/hdmi: silence -EPROBE_DEFER warning Brian Masney
2019-08-15 8:35 ` Linus Walleij
2019-08-15 0:48 ` [PATCH 09/11] ARM: dts: qcom: pm8941: add 5vs2 regulator node Brian Masney
2019-08-15 8:34 ` Linus Walleij
2019-08-15 22:44 ` Brian Masney
2019-08-15 0:48 ` [PATCH RFC 10/11] ARM: dts: qcom: msm8974: add HDMI nodes Brian Masney
2019-08-15 8:25 ` Linus Walleij
2019-08-15 0:48 ` [PATCH RFC 11/11] ARM: dts: qcom: msm8974-hammerhead: add support for external display Brian Masney
2019-08-15 8:31 ` Linus Walleij
2019-09-16 8:13 ` [PATCH 00/11] ARM: dts: qcom: msm8974: " Andrzej Hajda
2019-09-16 9:01 ` Brian Masney
2019-09-16 12:02 ` Andrzej Hajda [this message]
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