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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 105880] [dc][kabini] Cannot find any crtc or sizes
Date: Fri, 13 Apr 2018 11:42:09 +0000	[thread overview]
Message-ID: <bug-105880-502-oyNiXLT93S@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-105880-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=105880

--- Comment #12 from Chí-Thanh Christopher Nguyễn <chithanh@gentoo.org> ---
So, with the additional dmesg output from kernel 4.15, the following appeared
interesting:

[   43.356569] [drm] DC: create_links: connectors_num: physical:3, virtual:0
[   43.356583] [drm] Unsupported Connector type:14!
[   43.356588] [drm] Connector[1] description:signal 4
[   43.356617] [drm] Unsupported Connector type:5!

If I understand drivers/gpu/drm/amd/dal/dc/core/dc_link.c correctly, the
following connector types are supported in construct()

CONNECTOR_ID_HDMI_TYPE_A
CONNECTOR_ID_SINGLE_LINK_DVID
CONNECTOR_ID_SINGLE_LINK_DVII
CONNECTOR_ID_DUAL_LINK_DVID
CONNECTOR_ID_DUAL_LINK_DVII
CONNECTOR_ID_DISPLAY_PORT
CONNECTOR_ID_EDP

else the following code will print the above error message

                dal_logger_write(dc_ctx->logger,
                        LOG_MAJOR_WARNING, LOG_MINOR_TM_LINK_SRV,
                        "Unsupported Connector type:%d!\n", link->link_id.id);

According to display/include/grph_object_id.h

CONNECTOR_ID_VGA = 5
CONNECTOR_ID_LVDS = 14

which would explain why no working connectors are found. I will try to find an
HDMI monitor to see if it lights up with amdgpu DC.

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  parent reply	other threads:[~2018-04-13 11:42 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-04  9:19 [Bug 105880] [dc][kabini] Cannot find any crtc or sizes bugzilla-daemon
2018-04-04  9:20 ` bugzilla-daemon
2018-04-04  9:20 ` bugzilla-daemon
2018-04-04 14:26 ` bugzilla-daemon
2018-04-05 11:59 ` bugzilla-daemon
2018-04-05 12:50 ` bugzilla-daemon
2018-04-05 20:12 ` bugzilla-daemon
2018-04-05 20:13 ` bugzilla-daemon
2018-04-11  9:04 ` bugzilla-daemon
2018-04-12  1:19 ` bugzilla-daemon
2018-04-12  1:21 ` bugzilla-daemon
2018-04-12  8:02 ` bugzilla-daemon
2018-04-13 11:28 ` bugzilla-daemon
2018-04-13 11:42 ` bugzilla-daemon [this message]
2018-04-13 12:17 ` [Bug 105880] [dc] No support for LVDS or VGA connectors (Cannot find any crtc or sizes) bugzilla-daemon
2018-04-13 16:30 ` bugzilla-daemon
2018-04-13 18:56 ` bugzilla-daemon
2018-04-13 20:01 ` bugzilla-daemon
2018-04-16 10:14 ` bugzilla-daemon
2018-04-16 10:14 ` bugzilla-daemon
2018-04-16 10:23 ` bugzilla-daemon
2018-04-24 18:53 ` bugzilla-daemon
2018-05-09 14:09 ` bugzilla-daemon
2018-05-25  8:11 ` bugzilla-daemon
2018-05-25  8:52 ` bugzilla-daemon
2018-06-08 16:08 ` bugzilla-daemon
2018-06-14 18:38 ` bugzilla-daemon
2018-06-14 18:49 ` bugzilla-daemon
2018-06-26 22:36 ` bugzilla-daemon
2018-08-14 11:03 ` bugzilla-daemon
2018-08-14 15:47 ` bugzilla-daemon
2018-08-14 19:15 ` bugzilla-daemon
2018-08-14 20:53 ` bugzilla-daemon
2018-08-14 21:01 ` bugzilla-daemon
2018-08-14 21:57 ` bugzilla-daemon
2018-08-14 22:41 ` bugzilla-daemon
2018-08-15 22:28 ` bugzilla-daemon
2018-08-16  0:11 ` bugzilla-daemon
2018-08-16  0:12 ` bugzilla-daemon
2018-08-16  1:38 ` bugzilla-daemon
2018-08-16 13:33 ` bugzilla-daemon
2018-08-17  8:40 ` bugzilla-daemon
2018-09-04 20:18 ` bugzilla-daemon
2018-09-04 20:29 ` bugzilla-daemon
2018-09-05 16:56 ` bugzilla-daemon
2019-01-31  9:08 ` bugzilla-daemon
2019-01-31 10:35 ` bugzilla-daemon
2019-01-31 10:36 ` bugzilla-daemon
2019-01-31 10:37 ` bugzilla-daemon
2019-01-31 10:55 ` bugzilla-daemon
2019-11-19  8:34 ` bugzilla-daemon

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