The continual trickle of small conversion patches is grating on me, and
is really not helping. Just get rid of the 'remove_new' member
function, which is just an alias for the plain 'remove', and had a
comment to that effect:
/*
* .remove_new() is a relic from a prototype conversion of .remove().
* New drivers are supposed to implement .remove(). Once all drivers are
* converted to not use .remove_new any more, it will be dropped.
*/
This was just a tree-wide 'sed' script that replaced '.remove_new' with
'.remove', with some care taken to turn a subsequent tab into two tabs
to make things line up.
I did do some minimal manual whitespace adjustment for places that used
spaces to line things up.
Then I just removed the old (sic) .remove_new member function, and this
is the end result. No more unnecessary conversion noise.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Replace 'initailization' with 'initialization' in the comment.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
cocci reported a double assignment problem. Upon reviewing previous
commits, it appears this may actually be an incorrect assignment.
Fixes: 8b9550344d ("drm/ipp: clean up debug messages")
Signed-off-by: Yuesong Li <liyuesong@vivo.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
'struct exynos_drm_ipp_funcs' are not modified in these drivers.
Constifying this structure moves some data to a read-only section, so
increase overall security.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
20446 1746 16 22208 56c0 drivers/gpu/drm/exynos/exynos_drm_fimc.o
After:
=====
text data bss dec hex filename
20446 1714 16 22176 56a0 drivers/gpu/drm/exynos/exynos_drm_fimc.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Core in platform_driver_register() already sets the .owner, so driver
does not need to. Whatever is set here will be anyway overwritten by
main driver calling platform_driver_register().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
- Minor fix in `drm/exynos: gsc: gsc_runtime_resume`
. The patch ensures `clk_disable_unprepare()` is called on the first
element of `ctx->clocks` array.
This issue was identified by the Linux Verification Center.
- Fix excessive stack usage in `fimd_win_set_pixfmt()` in `drm/exynos`
. The issue, highlighted by gcc, involved an unnecessary on-stack copy of
the large `exynos_drm_plane` structure, now replaced with a pointer.
- Fix an incorrect type issue in `exynos_drm_fimd.c` module
. Addresses an incorrect type issue in `fimd_commit()` within the
`exynos_drm_fimd.c` The problem was reported by the kernel test robot[1].
[1] https://lore.kernel.org/oe-kbuild-all/202312140930.Me9yWf8F-lkp@intel.com/
- Fix a typo in the dt-bindings for `samsung,exynos-mixer`
. Changes 'regs' to the correct property name 'reg' in the dt-bindings
documentation for `samsung,exynos-mixer`
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Merge tag 'exynos-drm-fixes-for-v6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Several fixups
- Minor fix in `drm/exynos: gsc: gsc_runtime_resume`
. The patch ensures `clk_disable_unprepare()` is called on the first
element of `ctx->clocks` array.
This issue was identified by the Linux Verification Center.
- Fix excessive stack usage in `fimd_win_set_pixfmt()` in `drm/exynos`
. The issue, highlighted by gcc, involved an unnecessary on-stack copy of
the large `exynos_drm_plane` structure, now replaced with a pointer.
- Fix an incorrect type issue in `exynos_drm_fimd.c` module
. Addresses an incorrect type issue in `fimd_commit()` within the
`exynos_drm_fimd.c` The problem was reported by the kernel test robot[1].
[1] https://lore.kernel.org/oe-kbuild-all/202312140930.Me9yWf8F-lkp@intel.com/
- Fix a typo in the dt-bindings for `samsung,exynos-mixer`
. Changes 'regs' to the correct property name 'reg' in the dt-bindings
documentation for `samsung,exynos-mixer`
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240122072407.39546-1-inki.dae@samsung.com
Do not forget to call clk_disable_unprepare() on the first element of
ctx->clocks array.
Found by Linux Verification Center (linuxtesting.org).
Fixes: 8b7d3ec83a ("drm/exynos: gsc: Convert driver to IPP v2 core API")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
fix merge conflict and drop duplicated patch description.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data in a single step. With this, adjust the
includes to explicitly include the correct headers. That also serves as
preparation to remove implicit includes within the DT headers
(of_device.h in particular).
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20231020125214.2930329-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
The driver depends on CONFIG_OF, so it is not necessary to use
of_match_ptr here.
Even for drivers that do not depend on CONFIG_OF, it's almost always
better to leave out the of_match_ptr(), since the only thing it can
possibly do is to save a few bytes of .text if a driver can be used both
with and without it. Hence we remove of_match_ptr.
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypassed the hierarchical setup and messed up the
irq chaining.
In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq().
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Use pm_runtime_resume_and_get() instead of pm_runtime_get_sync()
to deal with usage counter. pm_runtime_get_sync() increases the
usage counter even when it failed, which makes callers to forget
to decrease the usage counter and resulted in reference leak.
pm_runtime_resume_and_get() function decreases the usage counter
when it failed internally so it can avoid the reference leak.
Changelog v1:
- Fix an build error reported by kernel test robot of Intel.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reported-by: kernel test robot <lkp@intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/exynos/exynos_drm_gsc.c:129: warning: Function parameter or member 'num_limits' not described in 'gsc_driverdata'
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Eunchul Kim <chulspro.kim@samsung.com>
Cc: Jinyoung Jeon <jy0.jeon@samsung.com>
Cc: Sangmin Lee <lsmin.lee@samsung.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20201116174112.1833368-7-lee.jones@linaro.org
The driver forgets to call component_del in remove to match component_add
in probe.
Add the missed call to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.net>
There was a few uses of drmP that was missed in the last
patch removing this header from exynos.
Remove the final uses of this header.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Jingoo Han <jingoohan1@gmail.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Several drivers cast a struct device pointer to a struct
platform_device pointer only to then call platform_get_drvdata().
To improve readability, these constructs can be simplified
by using dev_get_drvdata() directly.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Drop use of the deprecated drmP.h file.
Replace with forwards / externals as appropriate.
While touching the list of include files divide
them up in blocks and sort them.
v3:
- fix build errors in exynos_drm_g2d.c (Inki Dae)
The exynos_drm_g2d.c file is not built in the
standard configurations and was therefore missed.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Jingoo Han <jingoohan1@gmail.com>
Fixed merge conflict.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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 as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Print out debug messages with correct device name.
As for this, this patch adds device pointer to exynos_drm_ipp structure,
and in case of exynos_drm_ipp_task structure, replace drm_device pointer
with device one. This will make each ipp driver to print out debug
messages with correct device name.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Use DRM_DEV_DEBUG* instead of DRM_DEBUG macro to print out
debug messages.
This patch just cleans up the use of debug log macro, which changes
the log macro to DRM_DEV_DEBUG*.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Exynos DRM drivers should work with and without IOMMU. Providing common
API generic to both scenarios should make code cleaner and allow further
code improvements.
The patch removes including of exynos_drm_iommu.h as the file contains
mostly IOMMU specific stuff, instead it exposes exynos_drm_*_dma functions
and puts them into exynos_drm_dma.c.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Moving DMA mapping creation to drm_iommu_attach_device allows to avoid
looping through all components and maintaining DMA device flags.
v2: take care of configurations without IOMMU
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Add support for 16x16 tiled NV12 and NV21 formats.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Fix following issues related to planar YUV pixel format configuration:
- NV16/61 modes were incorrectly programmed as NV12/21,
- YVU420 was programmed as YUV420 on source,
- YVU420 and YUV422 were programmed as YUV420 on output.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Horizontal (DRM_MODE_REFLECT_Y) and vertical (DMR_MODE_REFLECT_Y) flip
were swapped in GScaler driver. Fix this by swapping code for interpreting
them.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Investigation revealed that GScaler hardware requires the real buffer width
(pitch) to be aligned to 16 pixels.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
DMA hardware should respect buffer pitch, so use the width calculated from
the buffer pitch instead of the virtual one.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch adapts Exynos DRM GScaler driver to new IPP v2 core API.
The side effect of this conversion is a switch to driver component API
to register properly in the Exynos DRM core. During the conversion
driver has been adapted to support more specific compatible strings
to distinguish between Exynos5250 and Exynos5420 (different hardware
limits). Support for Exynos5433 variant has been added too
(different limits table, removed dependency on ARCH_EXYNOS5).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Printing raw kernel pointers might reveal information which sometimes we
try to hide (e.g. with Kernel Address Space Layout Randomization). Use
the "%pK" format so these pointers will be hidden for unprivileged
users.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Trivial fixes to spelling mistakes "precalser" to "prescaler"
in dev_err messages
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
When CONFIG_PM is not set, we get a warning about an unused function:
drivers/gpu/drm/exynos/exynos_drm_gsc.c:1219:12: error: 'gsc_clk_ctrl' defined but not used [-Werror=unused-function]
static int gsc_clk_ctrl(struct gsc_context *ctx, bool enable)
^~~~~~~~~~~~
This removes the two #ifdef checks in this file and instead marks the
functions as __maybe_unused, which is a more reliable way of doing the
same, allowing better build coverage and avoiding the warning above.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Use generic helpers instead of open-coding usage of runtime pm for system
sleep pm, which was potentially broken for some corner cases.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Drivers should use %p for printing pointers instead of hardcoding them
as hexadecimal integers. This patch fixes compilation warnings on 64bit
architectures.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This patch adds device tree support for exynos_drm_gsc. This patch
also fixed build issue on non-Exynos platforms, thus dependency on
!ARCH_MULTIPLATFORM can be now removed. The driver cannot be used
simultaneously with V4L2 Mem2Mem GScaller driver thought.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
At probe time, gsc clock is not enabled, so pm_runtime state should
be deactive. So this patch removes pm_runtime_set_active() from
gsc_probe().
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Ths patch changes the clk_enable and clk_disable call in gsc driver
into clk_prepare_enable and clk_disable_unprepare.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The unique results of all the combination of rotation and flip can
be represented by just 8 states. This patch handles all the combination
correctly.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
The bits for rotation are not used as exclusively. So GSC_IN_ROT_270 can
not be used for swap detection. The definition of it is same with
GSC_IN_ROT_MASK. It is enough to check GSC_IN_ROT_90 bit is set or not to
check whether width / height size swapping is needed.
Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
So this has been merged originally in
commit 83052d4d5c
Author: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Thu Dec 15 15:40:55 2011 +0900
drm: Add multi buffer plane pixel formats
which hasn't seen a lot of review really. The problem is that it's not
a real pixel format, but just a different way to lay out NV12 pixels
in macroblocks, i.e. a tiling format.
The new way of doing this is with the soon-to-be-merged fb modifiers.
This was brough up in some long irc discussion around the entire
topic, as an example of where things have gone wrong. Luckily we can
correct the mistake:
- The kms side support for NV12MT is all dead code because
format_check in drm_crtc.c never accepted NV12MT.
- The gem side for the gsc support doesn't look better: The code
forgets to set the pixel format and makes a big mess with the tiling
mode bits, inadvertedly setting them all.
Conclusion: This never really worked (at least not in upstream) and
hence we can safely correct our mistake here.
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Rob Clark <robclark@freedesktop.org>
Cc: Daniel Stone <daniel@fooishbar.org>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.
Replace CONFIG_PM_RUNTIME with CONFIG_PM in 4 files under
gpu/drm/exynos/.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Type casting should be avoided if possible. In case of
work_struct it can be simply replaced by reference to member field.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
prop_list is always allocated, so instead of allocating it dynamically
the pointer can be replaced by the structure itself.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Correct spelling typo in various part of kernel
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Ensure that all externally accessed functions are correctly prototyped
when defined in each file by making sure the headers with the protoypes
are included in the file with the definition.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
