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8 Commits

Author SHA1 Message Date
Gerd Hoffmann
eee9a2e0ad drm/shmem: drop DEFINE_DRM_GEM_SHMEM_FOPS 
DEFINE_DRM_GEM_SHMEM_FOPS is identical
to DEFINE_DRM_GEM_FOPS now, drop it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20191016115203.20095-6-kraxel@redhat.com
 2019-10-17 13:59:16 +02:00
Ulf Magnusson
dfef959803 drm/tiny: Kconfig: Remove always-y THERMAL dep. from TINYDRM_REPAPER 
Commit 554b3529fe ("thermal/drivers/core: Remove the module Kconfig's
option") changed the type of THERMAL from tristate to bool, so
THERMAL || !THERMAL is now always y. Remove the redundant dependency.

Discovered through Kconfiglib detecting a dependency loop. The C tools
simplify the expression to y before running dependency loop detection,
and so don't see it. Changing the type of THERMAL back to tristate makes
the C tools detect the same loop.

Not sure if running dep. loop detection after simplification can be
called a bug. Fixing this nit unbreaks Kconfiglib on the kernel at
least.

Signed-off-by: Ulf Magnusson <ulfalizer@gmail.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190927174218.GA32085@huvuddator
 2019-10-01 12:51:18 +02:00
Hans de Goede
ac9fd659ef drm: gm12u320: Add -ENODEV to list of errors to ignore 
Add -ENODEV to the list of usb-transfer errors which we ignore to
avoid logging Frame update errors when the device gets unplugged.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190811143725.5951-2-hdegoede@redhat.com
 2019-08-12 21:30:21 +02:00
Hans de Goede
9b61db1aed drm: gm12u320: Do not take a mutex from a wait_event condition 
I made the condition of the wait_event_timeout call in
gm12u320_fb_update_work a helper which takes a mutex to make sure
that any writes to fb_update.run or fb_update.fb from other CPU cores
are seen before the check is done.

This is not necessary as the wait_event helpers contain the necessary
barriers for this themselves.

More over it is harmfull since by the time the check is done the task
is no longer in the TASK_RUNNING state and calling mutex_lock while not
in task-running is not allowed, leading to this warning when the kernel
is build with some extra locking checks enabled:

[11947.450011] do not call blocking ops when !TASK_RUNNING; state=2 set at
               [<00000000e4306de6>] prepare_to_wait_event+0x61/0x190

This commit fixes this by dropping the helper and simply directly
checking the condition (without unnecessary locking) in the
wait_event_timeout call.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190811143725.5951-1-hdegoede@redhat.com
 2019-08-12 21:30:20 +02:00
Hans de Goede
4abfa2e4e7 drm: gm12u320: Use DRM_DEV_ERROR everywhere 
Previously the driver was using a mix of DRM_ERROR and dev_err, be
consisent and use DRM_DEV_ERROR everywhere instead.

Cc: Sam Ravnborg <sam@ravnborg.org>
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730133857.30778-2-hdegoede@redhat.com
 2019-08-12 21:28:51 +02:00
Hans de Goede
8515090ce5 drm: gm12u320: Some minor cleanups 
3 small cleanups:

1) Drop unused DRIVER_PATCHLEVEL
2) We do not set mode_config.preferred_depth, so instead of passing the
   unset mode_config.preferred_depth to drm_fbdev_generic_setup
   simply pass 0
3) Use __maybe_unused instead of #ifdef CONFIG_PM around the suspend /
   resume functions

Cc: Sam Ravnborg <sam@ravnborg.org>
Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Suggested-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190730133857.30778-1-hdegoede@redhat.com
 2019-08-12 21:28:50 +02:00
Noralf Trønnes
77b8cabf3d drm/gm12u320: Move driver to drm/tiny 
Move the driver to the new haven for tiny DRM drivers.

Cc: Hans de Goede <hdegoede@redhat.com>
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190725105132.22545-4-noralf@tronnes.org
 2019-07-31 15:17:03 +02:00
Noralf Trønnes
043386a0f0 drm/tinydrm: Rename folder to tiny 
The drm in tinydrm is superfluous so rename to tiny.

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190725105132.22545-3-noralf@tronnes.org
 2019-07-31 15:16:10 +02:00