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Remove unused writeback code. This code will never be used, as omapfb is
being deprecated.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200313122410.7528-1-tomi.valkeinen@ti.com
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Pull fbdev updates from Bartlomiej Zolnierkiewicz:
- remove fbdev notifier usage for fbcon (as prep work to clean up the
fbcon locking), add locking checks in vt/console code and make
assorted cleanups in fbdev and backlight code (Daniel Vetter)
- add COMPILE_TEST support to atmel_lcdfb, da8xx-fb, gbefb, imxfb,
pvr2fb and pxa168fb drivers (me)
- fix DMA API abuse in au1200fb and jz4740_fb drivers (Christoph
Hellwig)
- add check for new BGRT status field rotation bits in efifb driver
(Hans de Goede)
- mark expected switch fall-throughs in s3c-fb driver (Gustavo A. R.
Silva)
- remove fbdev mxsfb driver in favour of the drm version (Fabio
Estevam)
- remove broken rfbi code from omap2fb driver (me)
- misc fixes (Arnd Bergmann, Shobhit Kukreti, Wei Yongjun, me)
- misc cleanups (Gustavo A. R. Silva, Colin Ian King, me)
* tag 'fbdev-v5.3' of git://github.com/bzolnier/linux: (62 commits)
video: fbdev: imxfb: fix a typo in imxfb_probe()
video: fbdev: s3c-fb: Mark expected switch fall-throughs
video: fbdev: s3c-fb: fix sparse warnings about using incorrect types
video: fbdev: don't print error message on framebuffer_alloc() failure
video: fbdev: intelfb: return -ENOMEM on framebuffer_alloc() failure
video: fbdev: s3c-fb: return -ENOMEM on framebuffer_alloc() failure
vga_switcheroo: Depend upon fbcon being built-in, if enabled
video: fbdev: omap2: remove rfbi
video: fbdev: atmel_lcdfb: remove redundant initialization to variable ret
video: fbdev-MMP: Use struct_size() in devm_kzalloc()
video: fbdev: controlfb: fix warnings about comparing pointer to 0
efifb: BGRT: Add check for new BGRT status field rotation bits
jz4740_fb: fix DMA API abuse
video: fbdev: pvr2fb: fix link error for pvr2fb_pci_exit
video: fbdev: s3c-fb: add COMPILE_TEST support
video: fbdev: imxfb: fix sparse warnings about using incorrect types
video: fbdev: pvr2fb: fix build warning when compiling as module
fbcon: Export fbcon_update_vcs
backlight: simplify lcd notifier
staging/olpc_dcon: Add drm conversion to TODO
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Equivalent of drm's commit aa61321d4c08 ("drm/omap: remove rfbi").
The RFBI driver has been marked as BROKEN and has not been
included in the kernel build for many years. Just remove it
(it can be trivially brought back from git repository if
ever needed).
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not see http www gnu org
licenses
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 503 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When calling debugfs functions, there is no need to ever check the
return value. The function can work or not, but the code logic should
never do something different based on this.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
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At the moment 'enum omap_dss_clk_source' is in omapdss.h, shared by
omapdrm and omapfb. We're about to improve the omapdrm clock code, so we
need to make a separate copy of the enum for each driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch continues the work to create private versions of the
omapdss.h header for omapdrm and omapfb. This one moves the dss_mgr_*
function declarations.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch continues the work to create private versions of the
omapdss.h header for omapdrm and omapfb. This one moves 'struct dss_mgr_ops'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdrm and omapfb still share the same include/video/omapdss.h. We need
to change that so that we can proceed with omapdrm work.
However, it's not trivial to make separate omapfb and omapdrm versions
of omapdss.h, as that file is also included in other places like arch
code, audio code and omap_vout code. So we'll do it piece by piece.
This patch makes private versions of all the dispc function declarations
that are in omapdss.h. For omapdrm we create a new file,
drivers/gpu/drm/omapdrm/dss/omapdss.h, which will contain headers meant
to be visible outside omapdss.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We need to change the config symbols of omapfb's private copy of
omapdss so that we won't have config symbol conflicts.
This patch changes the symbols from omapdss using simple replacement of
CONFIG_OMAP* to CONFIG_FB_OMAP*.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
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This patch makes a copy of the omapdss driver and the omap panel &
encoder drivers for omapfb. The purpose is to separate omapdrm and
omapfb drivers from each other.
Note that this patch only does a direct copy of the files without any
other modifications. The files are not yet used.
The original files are in:
drivers/video/fbdev/omap2/dss/
drivers/video/fbdev/omap2/displays-new/
Here's a more detailed explanation about this and the following patches,
from the introduction mail of the patch series:
A short background on the current status. We have the following
entities:
* omapdss, located in drivers/video/fbdev/omap2/dss/. This is a driver for the
display subsystem IPs used on OMAP (and related) SoCs. It offers only a
kernel internal API, and does not implement anything for fbdev or drm.
* omapdss panels and encoders, located in
drivers/video/fbdev/omap2/displays-new/. These are panel and external encoder
drivers, which use APIs offered by omapdss driver. These also don't implement
anything for fbdev or drm.
* omapdrm, located in drivers/gpu/drm/omapdrm/. This is a drm driver, which
uses omapdss and the panel/encoder drivers to operate the hardware.
* omapfb, located in drivers/video/fbdev/omap2/omapfb/. This is an fbdev
driver, which uses omapdss and the panel/encoder drivers to operate the
hardware.
* omap_vout, located in drivers/media/platform/omap/. This is a v4l2 driver,
which uses omapdss and omapfb to implement a v4l2 API for the video overlays.
So, on the top level, we have either omapdrm, or omapfb+omap_vout. Both of
those use the same low level drivers. Without going to the historical details
why the architecture is like that, I think it's finally time to change that.
The situation with omapfb+omap_vout is that it still works, but no new features
have been added for a long time, and I want to keep it working as it's still
being used. At some point in the future I'd like to remove omapfb and
omap_vout altogether.
Omapdrm, on the other hand, is being actively developed. Sharing the low level
parts with omapfb makes that development more difficult than it should be. It
also "hides" half of the development, as everything happening in the low level
parts resides under fbdev directory, not in the drm directory.
I've been wanting to clean this up for a long time, but I haven't figured out a
very good way to do it. I still haven't, but here's the best way I have come up
with.
This series makes a full copy of the low level parts, omapdss and panel/encoder
drivers. Both omapfb+omap_vout and omapdrm will have their own versions. The
copy omapfb+omap_vout get is a new copy, and the copy that omapdrm gets is just
the current files moved. This way git will associate the omapdrm version with
the old files.
The omapfb+omap_vout versions won't be touched unless there are some big issues
there.
The omapdrm versions can be refactored and cleaned up, as the omapfb support
code is no longer needed. We can perhaps also merge omapdss and omapdrm into
the same kernel module.
This series only does the copy, and the absolutely necessary parts. No further
cleanups are done yet.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
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