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3 Commits

Author SHA1 Message Date
Dan Carpenter
dae2f7b89a
drm/imx/lcdc: fix a NULL vs IS_ERR() bug in probe 
The devm_drm_dev_alloc() function returns error pointers.  It never
returns NULL.  Fix the check.

Fixes: c87e859cdeb5 ("drm/imx/lcdc: Implement DRM driver for imx25")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/d0a1fc55-3ef6-444e-b3ef-fdc937d8d57a@kili.mountain
 2023-04-15 23:48:48 +02:00
Dave Airlie
c6265f5c2f Merge tag 'drm-misc-next-2023-03-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next 
drm-misc-next for v6.4-rc1:

Cross-subsystem Changes:
- Add drm_bridge.h to drm_bridge maintainers.

Core Changes:
- Assorted fixes to TTM, tests, format-helper, accel.
- Assorted Makefile fixes to drivers and accel.
- Implement fbdev emulation for GEM DMA drivers, and convert a lot of
  drivers to use it.
- Use tgid instead of pid for tracking clients.

Driver Changes:
- Assorted fixes in rockchip, vmwgfx, nouveau, cirrus.
- Add imx25 driver.
- Add Elida KD50T048A, Sony TD4353, Novatek NT36523, STARRY 2081101QFH032011-53G panels.
- Add 4K mode support to rockchip.
- Convert cirrus to use regular atomic helpers, and more cirrus
  improvements.
- Add damage clipping to cirrus, virtio.

[airlied: add drm_bridge.h include to imx]
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f7b765c7-d49d-edb5-2a6a-4f7a7be16a59@linux.intel.com
 2023-03-22 04:42:36 +10:00
Marian Cichy
c87e859cde drm/imx/lcdc: Implement DRM driver for imx25 
Add support for the LCD Controller found on i.MX21 and i.MX25.

It targets to be a drop in replacement for the imx-fb driver.

[ukl: Rebase to a newer kernel version, various smaller fixes and
improvements]

Signed-off-by: Marian Cichy <m.cichy@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230306115249.2223042-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20230306115249.2223042-3-u.kleine-koenig@pengutronix.de
 2023-03-14 11:43:53 +01:00