From: Jyri Sarha <jsarha@ti.com>
To: dri-devel@lists.freedesktop.org
Cc: airlied@linux.ie, Jyri Sarha <jsarha@ti.com>,
tomi.valkeinen@ti.com, thierry.reding@gmail.com
Subject: [PATCH 0/2] drm/panel: Add device link in drm_panel_attach()
Date: Thu, 22 Feb 2018 19:46:25 +0200 [thread overview]
Message-ID: <cover.1519319383.git.jsarha@ti.com> (raw)
The first patch could be squashed to second, but kept is separate
since I think it is correct even without the second patch.
With these patches unbinding a panel driver in use does not cause
nasty backtraces and corrupted drm core structures, but instead it
cleanly unbind the drm master device at the same time.
The only down side (currently[1]) is that the drm device does not reprobe
if the panel drived is bound again, but everything should work if the
drm master driver is bound manually. Atleast this the behavior with
this series on am335x-evm:
https://lists.freedesktop.org/archives/dri-devel/2018-February/166898.html
[1] https://lists.freedesktop.org/archives/dri-devel/2018-February/166907.html
Jyri Sarha (2):
drm/panel: Remove drm_panel_detach() calls from all panel drives
drm/panel: Add device_link from panel device to drm device
drivers/gpu/drm/drm_panel.c | 12 ++++++++++++
drivers/gpu/drm/panel/panel-innolux-p079zca.c | 1 -
drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 1 -
drivers/gpu/drm/panel/panel-lvds.c | 1 -
drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c | 1 -
drivers/gpu/drm/panel/panel-seiko-43wvf1g.c | 1 -
drivers/gpu/drm/panel/panel-sharp-lq101r1sx01.c | 1 -
drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 1 -
drivers/gpu/drm/panel/panel-simple.c | 1 -
drivers/gpu/drm/panel/panel-sitronix-st7789v.c | 1 -
include/drm/drm_panel.h | 1 +
11 files changed, 13 insertions(+), 9 deletions(-)
--
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next reply other threads:[~2018-02-22 17:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-22 17:46 Jyri Sarha [this message]
2018-02-22 17:46 ` [PATCH 1/2] drm/panel: Remove drm_panel_detach() calls from all panel drives Jyri Sarha
2018-02-22 17:46 ` [PATCH 2/2] drm/panel: Add device_link from panel device to drm device Jyri Sarha
2018-02-23 6:58 ` Lukas Wunner
2018-02-23 10:43 ` Jyri Sarha
2018-02-23 13:10 ` Jyri Sarha
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