linux-toradex.git/drivers/gpu/drm/tiny, branch v5.6-rc6

Merge tag 'topic/drm-mipi-dsi-dsc-updates-2019-11-11' of ssh://git.freedesktop.org/git/drm-intel into drm-misc-next

2019-11-20T13:12:00+00:00

Core Changes:
- Update DSI data type and command definitions
- Add helpers for sending compression mode and PPS packets

Driver Changes:
- Update tiny/st7586 to reflect a definition change

Signed-off-by: Maarten Lankhorst 
From: Jani Nikula 
Link: https://patchwork.freedesktop.org/patch/msgid/87tv7a4eq3.fsf@intel.com

drm/dsi: rename MIPI_DCS_SET_PARTIAL_AREA to MIPI_DCS_SET_PARTIAL_ROWS

2019-11-07T12:59:56+00:00

The DCS command has been named SET_PARTIAL_ROWS in the DCS spec since
v1.02, for more than a decade. Rename the enumeration to match the spec.

v2: add comment about the rename (David Lechner)

Cc: David Lechner 
Cc: Vandita Kulkarni 
Reviewed-by: Thierry Reding 
Signed-off-by: Jani Nikula 
Link: https://patchwork.freedesktop.org/patch/msgid/20191028150047.22048-4-jani.nikula@intel.com

drm/shmem: drop DEFINE_DRM_GEM_SHMEM_FOPS

2019-10-17T11:59:16+00:00

DEFINE_DRM_GEM_SHMEM_FOPS is identical
to DEFINE_DRM_GEM_FOPS now, drop it.

Signed-off-by: Gerd Hoffmann 
Acked-by: Rob Herring 
Acked-by: Daniel Vetter 
Link: http://patchwork.freedesktop.org/patch/msgid/20191016115203.20095-6-kraxel@redhat.com

drm/tiny: Kconfig: Remove always-y THERMAL dep. from TINYDRM_REPAPER

2019-10-01T10:51:18+00:00

Commit 554b3529fe01 ("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 
Signed-off-by: Noralf Trønnes 
Link: https://patchwork.freedesktop.org/patch/msgid/20190927174218.GA32085@huvuddator

drm: gm12u320: Add -ENODEV to list of errors to ignore

2019-08-12T19:30:21+00:00

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 
Signed-off-by: Hans de Goede 
Link: https://patchwork.freedesktop.org/patch/msgid/20190811143725.5951-2-hdegoede@redhat.com

drm: gm12u320: Do not take a mutex from a wait_event condition

2019-08-12T19:30:20+00:00

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 
Signed-off-by: Hans de Goede 
Link: https://patchwork.freedesktop.org/patch/msgid/20190811143725.5951-1-hdegoede@redhat.com

drm: gm12u320: Use DRM_DEV_ERROR everywhere

2019-08-12T19:28:51+00:00

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 
Suggested-by: Sam Ravnborg 
Reviewed-by: Sam Ravnborg 
Signed-off-by: Hans de Goede 
Link: https://patchwork.freedesktop.org/patch/msgid/20190730133857.30778-2-hdegoede@redhat.com

drm: gm12u320: Some minor cleanups

2019-08-12T19:28:50+00:00

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 
Suggested-by: Sam Ravnborg 
Suggested-by: Noralf Trønnes 
Reviewed-by: Sam Ravnborg 
Signed-off-by: Hans de Goede 
Link: https://patchwork.freedesktop.org/patch/msgid/20190730133857.30778-1-hdegoede@redhat.com

drm/gm12u320: Move driver to drm/tiny

2019-07-31T13:17:03+00:00

Move the driver to the new haven for tiny DRM drivers.

Cc: Hans de Goede 
Suggested-by: Daniel Vetter 
Signed-off-by: Noralf Trønnes 
Acked-by: Daniel Vetter 
Acked-by: Sam Ravnborg 
Reviewed-by: Hans de Goede 
Link: https://patchwork.freedesktop.org/patch/msgid/20190725105132.22545-4-noralf@tronnes.org

drm/tinydrm: Rename folder to tiny

2019-07-31T13:16:10+00:00

The drm in tinydrm is superfluous so rename to tiny.

Suggested-by: Daniel Vetter 
Signed-off-by: Noralf Trønnes 
Acked-by: Daniel Vetter 
Acked-by: Sam Ravnborg 
Reviewed-by: Hans de Goede 
Link: https://patchwork.freedesktop.org/patch/msgid/20190725105132.22545-3-noralf@tronnes.org