From: Yakir Yang <ykk@rock-chips.com>
To: Heiko Stuebner <heiko@sntech.de>
Cc: David Airlie <airlied@linux.ie>, Inki Dae <inki.dae@samsung.com>,
Mark Yao <yzq@rock-chips.com>,
Thierry Reding <treding@nvidia.com>,
Jingoo Han <jingoohan1@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Douglas Anderson <dianders@chromium.org>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
Javier Martinez Canillas <javier@osg.samsung.com>,
emil.l.velikov@gmail.com,
Dan Carpenter <dan.carpenter@oracle.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-samsung-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v2 05/10] drm/rockchip: analogix_dp: add rk3399 eDP support
Date: Wed, 25 May 2016 13:55:11 +0800 [thread overview]
Message-ID: <57453E3F.8030600@rock-chips.com> (raw)
In-Reply-To: <6183955.XzKjc41sjW@phil>
On 05/24/2016 06:17 PM, Heiko Stuebner wrote:
> Am Dienstag, 24. Mai 2016, 14:57:23 schrieb Yakir Yang:
> [........]
>> diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
>> b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 29c4105..d5d4e04
>> 100644
>> --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
>> +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
>> @@ -148,6 +148,10 @@ rockchip_dp_drm_encoder_atomic_check(struct
>> drm_encoder *encoder, struct drm_connector_state *conn_state)
>> {
>> struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
>> + struct rockchip_dp_device *dp = to_dp(encoder);
>> + int ret;
>> +
>> + s->output_type = DRM_MODE_CONNECTOR_eDP;
>>
>> /*
>> * FIXME(Yakir): driver should configure the CRTC output video
>> @@ -162,8 +166,27 @@ rockchip_dp_drm_encoder_atomic_check(struct
>> drm_encoder *encoder, * But if I configure CTRC to RGBaaa, and eDP driver
>> still keep * RGB666 input video mode, then screen would works prefect.
>> */
>> - s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
>> - s->output_type = DRM_MODE_CONNECTOR_eDP;
>> +
>> + ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder);
>> + if (ret < 0)
>> + return;
> this needs a value returned (probably ret), otherwise you create a
> warning: ‘return’ with no value, in function returning non-void
Done,
Thanks,
- Yakir
>
> drm_of_encoder_active_endpoint_id also always returns -EINVAL on rk3288-
> veyron-jerry because encoder->crtc is unset in
> drm_of_encoder_active_endpoint and that breaks display output right now.
>
> Looking through drm code it seems only two functions would set encoder->crtc
> - drm_atomic_helper_update_legacy_modeset_state
> - drm_crtc_helper_set_config
>
> drm_crtc_helper_set_config callback got dropped in the atomic-conversion and
> the other sounds to be somewhat in the legacy area.
>
> After that drm-internals get a bit confusing.
>
>
> Heiko
>
>
>
next prev parent reply other threads:[~2016-05-25 5:55 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 5:01 [PATCH v2 0/10] Add RK3399 eDP support and fix some bugs to analogix_dp driver Yakir Yang
2016-05-24 5:02 ` [PATCH v2 01/10] drm/bridge: analogix_dp: rename RK3288_DP to ROCKCHIP_DP Yakir Yang
2016-05-24 5:02 ` [PATCH v2 02/10] drm/rockchip: analogix_dp: split the lcdc select setting into device data Yakir Yang
2016-06-01 1:57 ` Mark yao
2016-06-08 10:56 ` Yakir Yang
2016-05-24 5:02 ` [PATCH v2 03/10] drm/bridge: analogix_dp: correct the register bit define error in ANALOGIX_DP_PLL_REG_1 Yakir Yang
2016-05-24 5:02 ` [PATCH v2 04/10] drm/bridge: analogix_dp: some rockchip chips need to flip REF_CLK bit setting Yakir Yang
2016-05-24 5:02 ` [PATCH v2 05/10] drm/rockchip: analogix_dp: add rk3399 eDP support Yakir Yang
2016-05-24 6:57 ` Yakir Yang
2016-05-24 10:17 ` Heiko Stuebner
2016-05-24 18:12 ` Doug Anderson
2016-05-24 18:23 ` Heiko Stuebner
2016-05-25 5:54 ` Yakir Yang
2016-05-25 5:55 ` Yakir Yang [this message]
2016-06-01 1:48 ` Mark yao
2016-05-24 5:02 ` [PATCH v2 06/10] drm/rockchip: analogix_dp: make panel detect to an optional action Yakir Yang
2016-06-01 3:53 ` Mark yao
2016-05-24 5:02 ` [PATCH v2 07/10] drm/bridge: analogix_dp: introduce connector mode_valid callback to plat driver Yakir Yang
2016-05-24 5:02 ` [PATCH v2 08/10] drm/rockchip: analogix_dp: correct the connector display color format and bpc Yakir Yang
2016-06-01 3:52 ` Mark yao
2016-05-24 5:02 ` [PATCH v2 09/10] drm/rockchip: analogix_dp: update the comments about why need to hardcode VOP output mode Yakir Yang
2016-06-01 3:51 ` Mark yao
2016-05-24 5:02 ` [PATCH v2 10/10] drm/bridge: analogix_dp: fix no drm hpd event when panel plug in Yakir Yang
2016-05-26 9:34 ` [PATCH v2 0/10] Add RK3399 eDP support and fix some bugs to analogix_dp driver Yakir Yang
2016-05-26 12:48 ` Javier Martinez Canillas
2016-05-27 6:16 ` Yakir Yang
2016-05-31 20:01 ` Javier Martinez Canillas
2016-06-01 1:47 ` Yakir Yang
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