| Commit message (Collapse) | Author | Age | Files | Lines |
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230714174545.4056287-1-robh@kernel.org
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Otherwise its failed to pass basic compile test on platform without
REGMAP_MMIO selected by defconfig
make -j$(nproc) ARCH=mips CROSS_COMPILE=mips64el-linux-gnuabi64-
SYNC include/config/auto.conf.cmd
Checking missing-syscalls for N32
CALL scripts/checksyscalls.sh
Checking missing-syscalls for O32
CALL scripts/checksyscalls.sh
CALL scripts/checksyscalls.sh
MODPOST Module.symvers
ERROR: modpost: "__devm_regmap_init_mmio_clk" [drivers/gpu/drm/ingenic/ingenic-drm.ko] undefined!
make[1]: *** [scripts/Makefile.modpost:136: Module.symvers] Error 1
make: *** [Makefile:1978: modpost] Error 2
V2: Order alphabetically
Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20230607110650.569522-1-suijingfeng@loongson.cn
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Several source files include drm_crtc_helper.h without needing it or
only to get its transitive include statements; leading to unnecessary
compile-time dependencies.
Drop drm_crtc_helper.h where possible.
v2:
* update commit message (Sam)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230116131235.18917-11-tzimmermann@suse.de
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Move the generic fbdev implementation into its own source and header
file. Adapt drivers. No functional changes, but some of the internal
helpers have been renamed to fit into the drm_fbdev_ naming scheme.
v3:
* rename drm_fbdev.{c,h} to drm_fbdev_generic.{c,h}
* rebase onto vmwgfx changes
* rebase onto xlnx changes
* fix include statements in amdgpu
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221103151446.2638-22-tzimmermann@suse.de
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Don't set struct drm_driver.output_poll_changed. It's used to restore
the fbdev console. But as ingenic uses generic fbdev emulation, the
console is being restored by the DRM client helpers already. See the
functions drm_kms_helper_hotplug_event() and
drm_kms_helper_connector_hotplug_event() in drm_probe_helper.c.
v2:
* fix commit description (Christian, Sergey)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221103151446.2638-7-tzimmermann@suse.de
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A problem about modprobe ingenic-drm failed is triggered with the following
log given:
[ 303.561088] Error: Driver 'ingenic-ipu' is already registered, aborting...
modprobe: ERROR: could not insert 'ingenic_drm': Device or resource busy
The reason is that ingenic_drm_init() returns platform_driver_register()
directly without checking its return value, if platform_driver_register()
failed, it returns without unregistering ingenic_ipu_driver_ptr, resulting
the ingenic-drm can never be installed later.
A simple call graph is shown as below:
ingenic_drm_init()
platform_driver_register() # ingenic_ipu_driver_ptr are registered
platform_driver_register()
driver_register()
bus_add_driver()
priv = kzalloc(...) # OOM happened
# return without unregister ingenic_ipu_driver_ptr
Fixing this problem by checking the return value of
platform_driver_register() and do platform_unregister_drivers() if
error happened.
Fixes: fc1acf317b01 ("drm/ingenic: Add support for the IPU")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20221104064512.8569-1-yuancan@huawei.com
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Rename "GEM CMA" helpers to "GEM DMA" helpers - considering the
hierarchy of APIs (mm/cma -> dma -> gem dma) calling them "GEM
DMA" seems to be more applicable.
Besides that, commit e57924d4ae80 ("drm/doc: Task to rename CMA helpers")
requests to rename the CMA helpers and implies that people seem to be
confused about the naming.
In order to do this renaming the following script was used:
```
#!/bin/bash
DIRS="drivers/gpu include/drm Documentation/gpu"
REGEX_SYM_UPPER="[0-9A-Z_\-]"
REGEX_SYM_LOWER="[0-9a-z_\-]"
REGEX_GREP_UPPER="(${REGEX_SYM_UPPER}*)(GEM)_CMA_(${REGEX_SYM_UPPER}*)"
REGEX_GREP_LOWER="(${REGEX_SYM_LOWER}*)(gem)_cma_(${REGEX_SYM_LOWER}*)"
REGEX_SED_UPPER="s/${REGEX_GREP_UPPER}/\1\2_DMA_\3/g"
REGEX_SED_LOWER="s/${REGEX_GREP_LOWER}/\1\2_dma_\3/g"
# Find all upper case 'CMA' symbols and replace them with 'DMA'.
for ff in $(grep -REHl "${REGEX_GREP_UPPER}" $DIRS)
do
sed -i -E "$REGEX_SED_UPPER" $ff
done
# Find all lower case 'cma' symbols and replace them with 'dma'.
for ff in $(grep -REHl "${REGEX_GREP_LOWER}" $DIRS)
do
sed -i -E "$REGEX_SED_LOWER" $ff
done
# Replace all occurrences of 'CMA' / 'cma' in comments and
# documentation files with 'DMA' / 'dma'.
for ff in $(grep -RiHl " cma " $DIRS)
do
sed -i -E "s/ cma / dma /g" $ff
sed -i -E "s/ CMA / DMA /g" $ff
done
# Rename all 'cma_obj's to 'dma_obj'.
for ff in $(grep -RiHl "cma_obj" $DIRS)
do
sed -i -E "s/cma_obj/dma_obj/g" $ff
done
```
Only a few more manual modifications were needed, e.g. reverting the
following modifications in some DRM Kconfig files
- select CMA if HAVE_DMA_CONTIGUOUS
+ select DMA if HAVE_DMA_CONTIGUOUS
as well as manually picking the occurrences of 'CMA'/'cma' in comments and
documentation which relate to "GEM CMA", but not "FB CMA".
Also drivers/gpu/drm/Makefile was fixed up manually after renaming
drm_gem_cma_helper.c to drm_gem_dma_helper.c.
This patch is compile-time tested building a x86_64 kernel with
`make allyesconfig && make drivers/gpu/drm`.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> #drivers/gpu/drm/arm
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220802000405.949236-4-dakr@redhat.com
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Rename "FB CMA" helpers to "FB DMA" helpers - considering the hierarchy
of APIs (mm/cma -> dma -> fb dma) calling them "FB DMA" seems to be
more applicable.
Besides that, commit e57924d4ae80 ("drm/doc: Task to rename CMA helpers")
requests to rename the CMA helpers and implies that people seem to be
confused about the naming.
In order to do this renaming the following script was used:
```
#!/bin/bash
DIRS="drivers/gpu include/drm Documentation/gpu"
REGEX_SYM_UPPER="[0-9A-Z_\-]"
REGEX_SYM_LOWER="[0-9a-z_\-]"
REGEX_GREP_UPPER="(${REGEX_SYM_UPPER}*)(FB)_CMA_(${REGEX_SYM_UPPER}*)"
REGEX_GREP_LOWER="(${REGEX_SYM_LOWER}*)(fb)_cma_(${REGEX_SYM_LOWER}*)"
REGEX_SED_UPPER="s/${REGEX_GREP_UPPER}/\1\2_DMA_\3/g"
REGEX_SED_LOWER="s/${REGEX_GREP_LOWER}/\1\2_dma_\3/g"
# Find all upper case 'CMA' symbols and replace them with 'DMA'.
for ff in $(grep -REHl "${REGEX_GREP_UPPER}" $DIRS)
do
sed -i -E "$REGEX_SED_UPPER" $ff
done
# Find all lower case 'cma' symbols and replace them with 'dma'.
for ff in $(grep -REHl "${REGEX_GREP_LOWER}" $DIRS)
do
sed -i -E "$REGEX_SED_LOWER" $ff
done
# Replace all occurrences of 'CMA' / 'cma' in comments and
# documentation files with 'DMA' / 'dma'.
for ff in $(grep -RiHl " cma " $DIRS)
do
sed -i -E "s/ cma / dma /g" $ff
sed -i -E "s/ CMA / DMA /g" $ff
done
```
Only a few more manual modifications were needed, e.g. reverting the
following modifications in some DRM Kconfig files
- select CMA if HAVE_DMA_CONTIGUOUS
+ select DMA if HAVE_DMA_CONTIGUOUS
as well as manually picking the occurrences of 'CMA'/'cma' in comments and
documentation which relate to "FB CMA", but not "GEM CMA".
This patch is compile-time tested building a x86_64 kernel with
`make allyesconfig && make drivers/gpu/drm`.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> #drivers/gpu/drm/arm
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220802000405.949236-3-dakr@redhat.com
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Remove the include statement for drm_plane_helper.h from all the files
that don't need it. Althogh the header file is almost empty, many drivers
include it somewhere.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220720083058.15371-5-tzimmermann@suse.de
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Rename DRM_PLANE_HELPER_NO_SCALING to DRM_PLANE_NO_SCALING. The constant
is not really a helper, but rather a characteristic of the plane itself.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220720083058.15371-4-tzimmermann@suse.de
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The macro DRM_PLANE_HELPER_NO_SCALING is only useful with the interfaces
in drm_atomic_helper.h, but defined in drm_plane_helper.h. So half of
DRM includes the latter header file for using this macro. Move the macro
and remove the include statements.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220720083058.15371-3-tzimmermann@suse.de
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- Use DEFINE_SIMPLE_DEV_PM_OPS() instead of the SIMPLE_DEV_PM_OPS()
macro. This makes it possible to remove the __maybe_unused flags on
the callback functions.
- Since we only have callbacks for suspend/resume, we can conditionally
compile the dev_pm_ops structure for when CONFIG_PM_SLEEP is enabled;
so use the pm_sleep_ptr() macro instead of pm_ptr().
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708205406.96473-7-paul@crapouillou.net
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Avoid requesting a full modeset if the sharpness property is not
modified, because then we don't actually need it.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708205406.96473-5-paul@crapouillou.net
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Add support for the JZ4760 and JZ4760B SoCs to the ingenic-drm display
driver.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708205406.96473-4-paul@crapouillou.net
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The previous "GPL v2" string is deprecated. For more info, see commit
bf7fbeeae6db ("module: Cure the MODULE_LICENSE "GPL" vs. "GPL v2" bogosity")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220708205406.96473-3-paul@crapouillou.net
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drm_crtc.h has no need for linux/media-bus-format.h, so don't
include it. Avoids useless rebuilds of the entire universe when
touching linux/media-bus-format.h.
Quite a few placs do currently depend on linux/media-bus-format.h
without actually including it directly. All of those need to be
fixed up.
v2: Deal with ingenic as well
v3: Fix up mxsfb and remaining parts of imx
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-4-ville.syrjala@linux.intel.com
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Until now, when running at the maximum resolution of 1280x720 at 32bpp
on the JZ4770 SoC the output was garbled, the X/Y position of the
top-left corner of the framebuffer warping to a random position with
the whole image being offset accordingly, every time a new frame was
being submitted.
This problem can be eliminated by using a bigger burst size for the DMA.
Set in each soc_info structure the maximum burst size supported by the
corresponding SoC, and use it in the driver.
Set the new value using regmap_update_bits() instead of
regmap_set_bits(), since we do want to override the old value of the
burst size. (Note that regmap_set_bits() wasn't really valid before for
the same reason, but it never seemed to be a problem).
Cc: <stable@vger.kernel.org>
Fixes: 90b86fcc47b4 ("DRM: Add KMS driver for the Ingenic JZ47xx SoCs")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20220702230727.66704-1-paul@crapouillou.net
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Christophe Branchereau <cbranchereau@gmail.com>
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drm_crtc.h has no need for drm_frambuffer.h, so don't include it.
Avoids useless rebuilds of the entire universe when
touching drm_framebuffer.h.
Quite a few placs do currently depend on drm_framebuffer.h without
actually including it directly. All of those need to be fixed
up.
v2: Fix up msm some more
v2: Deal with ingenic and shmobile as well
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220614095449.29311-1-ville.syrjala@linux.intel.com
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
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A specialisation of the generic Synopsys HDMI driver is employed for
JZ4780 HDMI support. This requires a new driver, plus device tree and
configuration modifications.
Here we add Kconfig DRM_INGENIC_DW_HDMI, Makefile and driver code.
Note that there is no hpd-gpio installed on the CI20 board HDMI
connector. Hence there is no hpd detection by the connector driver
and we have to enable polling in the dw-hdmi core driver.
For that we need to set .poll_enabled but that struct component
can only be accessed by core code. Hence we use the public
setter function drm_kms_helper_hotplug_event() introduced before.
Also note that we disable Color Space Conversion since it is not
working on jz4780.
Signed-off-by: Paul Boddie <paul@boddie.org.uk>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/e5cdf9cd44bde52cce379cc830f2d6117ea15c32.1649330171.git.hns@goldelico.com
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The .atomic_get_input_bus_fmts() callback of our top bridge should
return the possible input formats for a given output format. If the
requested output format is not supported, then NULL should be returned,
otherwise the bus format negociation will end with a bus format that the
encoder does not support.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/ab25925723cff2f3e773e7137567ef86fff5fdba.1649330171.git.hns@goldelico.com
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ingenic_drm_bridge_atomic_enable allows the CRTC to be enabled after
panels have slept out, and before their display is turned on, solving
a graphical bug on the newvision nv3502c.
Also add ingenic_drm_bridge_atomic_disable to balance it out.
Signed-off-by: Christophe Branchereau <cbranchereau@gmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Artur Rojek <contact@artur-rojek.eu>
Link: https://patchwork.freedesktop.org/patch/msgid/20220321133651.291592-2-cbranchereau@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here is the set of driver core changes for 5.18-rc1.
Not much here, primarily it was a bunch of cleanups and small updates:
- kobj_type cleanups for default_groups
- documentation updates
- firmware loader minor changes
- component common helper added and take advantage of it in many
drivers (the largest part of this pull request).
All of these have been in linux-next for a while with no reported
problems"
* tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (54 commits)
Documentation: update stable review cycle documentation
drivers/base/dd.c : Remove the initial value of the global variable
Documentation: update stable tree link
Documentation: add link to stable release candidate tree
devres: fix typos in comments
Documentation: add note block surrounding security patch note
samples/kobject: Use sysfs_emit instead of sprintf
base: soc: Make soc_device_match() simpler and easier to read
driver core: dd: fix return value of __setup handler
driver core: Refactor sysfs and drv/bus remove hooks
driver core: Refactor multiple copies of device cleanup
scripts: get_abi.pl: Fix typo in help message
kernfs: fix typos in comments
kernfs: remove unneeded #if 0 guard
ALSA: hda/realtek: Make use of the helper component_compare_dev_name
video: omapfb: dss: Make use of the helper component_compare_dev
power: supply: ab8500: Make use of the helper component_compare_dev
ASoC: codecs: wcd938x: Make use of the helper component_compare/release_of
iommu/mediatek: Make use of the helper component_compare/release_of
drm: of: Make use of the helper component_release_of
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Use the common compare helper from component.
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: linux-mips@vger.kernel.org
Acked-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20220214060819.7334-7-yong.wu@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We have to make sure that
- JZ_LCD_OSDC_ALPHAEN is set
- plane f0 is disabled as it's not working yet
Tested on MIPS Creator CI20 board.
Signed-off-by: Paul Boddie <paul@boddie.org.uk>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Fixes: ef2f5d0aa121 ("drm/ingenic: prepare ingenic drm for later addition of JZ4780")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
[pcercuei: add proper fixes commit, slightly reword commit description]
Link: https://patchwork.freedesktop.org/patch/msgid/9d3a2000d2bb014f1afb0613537bdc523202135d.1644681054.git.hns@goldelico.com
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According to disable Documentation/admin-guide/kernel-parameters.txt, this
parameter can be used to disable kernel modesetting.
DRM drivers will not perform display-mode changes or accelerated rendering
and only the system framebuffer will be available if it was set-up.
But only a few DRM drivers currently check for nomodeset, make this driver
to also support the command line parameter.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211217003752.3946210-27-javierm@redhat.com
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Add support for the LCD controller present on JZ4780 SoCs.
This SoC uses 8-byte descriptors which extend the current
4-byte descriptors used for other Ingenic SoCs.
Tested on MIPS Creator CI20 board.
Signed-off-by: Paul Boddie <paul@boddie.org.uk>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/caf9e56b64b0717563e03172b30fa03736e92e15.1638470392.git.hns@goldelico.com
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This changes the way the regmap is allocated to prepare for the
later addition of the JZ4780 which has more registers and bits
than the others.
Therefore we make the regmap as big as the reg property in
the device tree tells.
Suggested-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/ee65e70e91268b3963f8a6581c8aa6c3b643c53e.1638470392.git.hns@goldelico.com
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Link drm_fb_cma_helper.o into drm_cma_helper.ko if CONFIG_DRM_KMS_HELPER
has been set. Remove CONFIG_DRM_KMS_CMA_HELPER config option. Selecting
KMS helpers and CMA will now automatically enable CMA KMS helpers.
Some drivers' Kconfig files did not correctly select KMS or CMA helpers.
Fix this as part of the change.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20211106193509.17472-3-tzimmermann@suse.de
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Commit 1bdb542da736 ("drm/ingenic: Simplify code by using hwdescs
array") caused the dma_hwdesc_phys_f{0,1} variables to be used while
uninitialized in a mmio register write, which most certainly broke the
ingenic-drm driver.
However, the very same patchset also submitted commit 6055466203df
("drm/ingenic: Upload palette before frame"), which restored a correct
behaviour by doing the register writes in a different place in the code.
What's left of this, is just to remove the bogus register writes in the
probe function.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211030100032.42066-1-paul@crapouillou.net
Acked-by: Sam Ravnborg <sam@ravnborg.org>
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Attach a top-level bridge to each encoder, which will be used for
negociating the bus format and flags.
All the bridges are now attached with DRM_BRIDGE_ATTACH_NO_CONNECTOR.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026181240.213806-7-paul@crapouillou.net
Tested-by: Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com>
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When using C8 color mode, make sure that the palette is always uploaded
before a frame; otherwise the very first frame will have wrong colors.
Do that by changing the link order of the DMA descriptors.
v3: Fix ingenic_drm_get_new_priv_state() called instead of
ingenic_drm_get_priv_state()
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026181240.213806-6-paul@crapouillou.net
Tested-by: Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com>
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Setting the DMA descriptor chain register in the probe function has been
fine until now, because we only ever had one descriptor per foreground.
As the driver will soon have real descriptor chains, and the DMA
descriptor chain register updates itself to point to the current
descriptor being processed, this register needs to be reset after a full
modeset to point to the first descriptor of the chain.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026181240.213806-5-paul@crapouillou.net
Tested-by: Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com>
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The IPU scaling information is computed in the plane's ".atomic_check"
callback, and used in the ".atomic_update" callback. As such, it is
state-specific, and should be moved to a private state structure.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026181240.213806-4-paul@crapouillou.net
Tested-by: Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com>
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Until now, the ingenic-drm as well as the ingenic-ipu drivers used to
put state-specific information in their respective private structure.
Add boilerplate code to support private objects in the two drivers, so
that state-specific information can be put in the state-specific private
structure.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026181240.213806-3-paul@crapouillou.net
Tested-by: Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com>
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Instead of having one 'hwdesc' variable for the plane #0, one for the
plane #1 and one for the palette, use a 'hwdesc[3]' array, where the
DMA hardware descriptors are indexed by the plane's number.
v2: dma_hwdesc_addr() extended to support palette hwdesc. The palette
hwdesc is now hwdesc[3] to simplify things. Add
ingenic_drm_configure_hwdesc*() functions to factorize code.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20211026181240.213806-2-paul@crapouillou.net
Tested-by: Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Christophe Branchereau <cbranchereau@gmail.com>
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By making the CRTC's .vblank_enable() function return an error when it
is known that the hardware won't deliver a VBLANK, we can drop the
ingenic_drm_atomic_helper_commit_tail() function and use the standard
drm_atomic_helper_commit_tail() function instead.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210808134526.119198-4-paul@crapouillou.net
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The priv->ipu_plane would get a different value further down the code,
without the first assigned value being read first; so the first
assignation can be dropped.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210808134526.119198-2-paul@crapouillou.net
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Being informed of a failure to attach a bridge is useful, and many
drivers prints an error message in that case. Move the message to
drm_bridge_attach() to avoid code duplication.
Suggested-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Jyri Sarha <jyri.sarha@iki.fi>
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Drop the DRM IRQ midlayer in favor of Linux IRQ interfaces. DRM's
IRQ helpers are mostly useful for UMS drivers. Modern KMS drivers
don't benefit from using it.
This patch also fixes a bug where the driver didn't release the
IRQ.
v2:
* automatically release IRQ via devm_request_irq() (Paul)
* mention the bugfix (Sam)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210715100258.6638-1-tzimmermann@suse.de
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No need to set it explicitly.
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Acked-by: Philippe Cornu <philippe.cornu@foss.st.com>
Acked-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: "Heiko Stübner" <heiko@sntech.de>
Cc: Yannick Fertre <yannick.fertre@foss.st.com>
Cc: Philippe Cornu <philippe.cornu@foss.st.com>
Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Jyri Sarha <jyri.sarha@iki.fi>
Cc: Tomi Valkeinen <tomba@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@vger.kernel.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-sunxi@lists.linux.dev
Link: https://patchwork.freedesktop.org/patch/msgid/20210622165511.3169559-9-daniel.vetter@ffwll.ch
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Alloc GEM buffers backed by noncoherent memory on SoCs where it is
actually faster than write-combine.
This dramatically speeds up software rendering on these SoCs, even for
tasks where write-combine memory should in theory be faster (e.g. simple
blits).
v3: The option is now selected per-SoC instead of being a module
parameter.
v5: - Fix drm_atomic_get_new_plane_state() used to retrieve the old
state
- Use custom drm_gem_fb_create()
- Only check damage clips and sync DMA buffers if non-coherent
buffers are used
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210523170415.90410-4-paul@crapouillou.net
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When using a 24-bit panel on a 8-bit serial bus, the pixel clock
requested by the panel has to be multiplied by 3, since the subpixels
are shifted sequentially.
The code (in ingenic_drm_encoder_atomic_check) already computed
crtc_state->adjusted_mode->crtc_clock accordingly, but clk_set_rate()
used crtc_state->adjusted_mode->clock instead.
Fixes: 28ab7d35b6e0 ("drm/ingenic: Properly compute timings when using a 3x8-bit panel")
Cc: stable@vger.kernel.org # v5.10
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com> # CI20/jz4780 (HDMI) and Alpha400/jz4730 (LCD)
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210323144008.166248-1-paul@crapouillou.net
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It should have been an OVERLAY from the beginning. The documentation
stipulates that there should be an unique PRIMARY plane per CRTC.
Fixes: fc1acf317b01 ("drm/ingenic: Add support for the IPU")
Cc: <stable@vger.kernel.org> # 5.8+
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Simon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20210329175046.214629-2-paul@crapouillou.net
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Since the encoders have been devm-allocated, they will be freed way
before drm_mode_config_cleanup() is called. To avoid use-after-free
conditions, we then must ensure that drm_encoder_cleanup() is called
before the encoders are freed.
v2: Use the new __drmm_simple_encoder_alloc() function
v3: Use the new drmm_plain_simple_encoder_alloc() macro
v4: Use drmm_plain_encoder_alloc() macro
Fixes: c369cb27c267 ("drm/ingenic: Support multiple panels/bridges")
Cc: <stable@vger.kernel.org> # 5.8+
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210327115742.18986-4-paul@crapouillou.net
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Even though the JZ4740 did not have the OSD mode, it had (according to
the documentation) two DMA channels, but there is absolutely no
information about how to select the second DMA channel.
Make the ingenic-drm driver work in non-OSD mode by using the
foreground0 plane (which is bound to the DMA0 channel) as the primary
plane, instead of the foreground1 plane, which is the primary plane
when in OSD mode.
Fixes: 3c9bea4ef32b ("drm/ingenic: Add support for OSD mode")
Cc: <stable@vger.kernel.org> # v5.8+
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210124085552.29146-5-paul@crapouillou.net
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Many drivers reference the plane->state pointer in order to get the
current plane state in their atomic_update or atomic_disable hooks,
which would be the new plane state in the global atomic state since
_swap_state happened when those hooks are run.
Use the drm_atomic_get_new_plane_state helper to get that state to make it
more obvious.
This was made using the coccinelle script below:
@ plane_atomic_func @
identifier helpers;
identifier func;
@@
(
static const struct drm_plane_helper_funcs helpers = {
...,
.atomic_disable = func,
...,
};
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static const struct drm_plane_helper_funcs helpers = {
...,
.atomic_update = func,
...,
};
)
@ adds_new_state @
identifier plane_atomic_func.func;
identifier plane, state;
identifier new_state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state)
{
...
- struct drm_plane_state *new_state = plane->state;
+ struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane);
...
}
@ include depends on adds_new_state @
@@
#include <drm/drm_atomic.h>
@ no_include depends on !include && adds_new_state @
@@
+ #include <drm/drm_atomic.h>
#include <drm/...>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20210219120032.260676-1-maxime@cerno.tech
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The current atomic helpers have either their object state being passed as
an argument or the full atomic state.
The former is the pattern that was done at first, before switching to the
latter for new hooks or when it was needed.
Let's convert the remaining helpers to provide a consistent interface,
this time with the planes atomic_update and atomic_disable.
The conversion was done using the coccinelle script below, built tested on
all the drivers.
@@
identifier plane, plane_state;
symbol state;
@@
struct drm_plane_helper_funcs {
...
void (*atomic_update)(struct drm_plane *plane,
- struct drm_plane_state *plane_state);
+ struct drm_atomic_state *state);
...
}
@@
identifier plane, plane_state;
symbol state;
@@
struct drm_plane_helper_funcs {
...
void (*atomic_disable)(struct drm_plane *plane,
- struct drm_plane_state *plane_state);
+ struct drm_atomic_state *state);
...
}
@ plane_atomic_func @
identifier helpers;
identifier func;
@@
(
static const struct drm_plane_helper_funcs helpers = {
...,
.atomic_update = func,
...,
};
|
static const struct drm_plane_helper_funcs helpers = {
...,
.atomic_disable = func,
...,
};
)
@@
struct drm_plane_helper_funcs *FUNCS;
identifier f;
identifier crtc_state;
identifier plane, plane_state, state;
expression e;
@@
f(struct drm_crtc_state *crtc_state)
{
...
struct drm_atomic_state *state = e;
<+...
(
- FUNCS->atomic_disable(plane, plane_state)
+ FUNCS->atomic_disable(plane, state)
|
- FUNCS->atomic_update(plane, plane_state)
+ FUNCS->atomic_update(plane, state)
)
...+>
}
@@
identifier plane_atomic_func.func;
identifier plane;
symbol state;
@@
func(struct drm_plane *plane,
- struct drm_plane_state *state)
+ struct drm_plane_state *old_plane_state)
{
<...
- state
+ old_plane_state
...>
}
@ ignores_old_state @
identifier plane_atomic_func.func;
identifier plane, old_state;
@@
func(struct drm_plane *plane, struct drm_plane_state *old_state)
{
... when != old_state
}
@ adds_old_state depends on plane_atomic_func && !ignores_old_state @
identifier plane_atomic_func.func;
identifier plane, plane_state;
@@
func(struct drm_plane *plane, struct drm_plane_state *plane_state)
{
+ struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane);
...
}
@ depends on plane_atomic_func @
identifier plane_atomic_func.func;
identifier plane, plane_state;
@@
func(struct drm_plane *plane,
- struct drm_plane_state *plane_state
+ struct drm_atomic_state *state
)
{ ... }
@ include depends on adds_old_state @
@@
#include <drm/drm_atomic.h>
@ no_include depends on !include && adds_old_state @
@@
+ #include <drm/drm_atomic.h>
#include <drm/...>
@@
identifier plane_atomic_func.func;
identifier plane, state;
identifier plane_state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state) {
...
struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane);
<+...
- plane_state->state
+ state
...+>
}
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219120032.260676-9-maxime@cerno.tech
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Some drivers are storing the plane->state pointer in atomic_update and
atomic_disable in a variable simply called state, while the state passed
as an argument is called old_state.
In order to ease subsequent reworks and to avoid confusing or
inconsistent names, let's rename those variables to new_state.
This was done using the following coccinelle script, plus some manual
changes for mtk and tegra.
@ plane_atomic_func @
identifier helpers;
identifier func;
@@
(
static const struct drm_plane_helper_funcs helpers = {
...,
.atomic_disable = func,
...,
};
|
static const struct drm_plane_helper_funcs helpers = {
...,
.atomic_update = func,
...,
};
)
@ moves_new_state_old_state @
identifier plane_atomic_func.func;
identifier plane;
symbol old_state;
symbol state;
@@
func(struct drm_plane *plane, struct drm_plane_state *old_state)
{
...
- struct drm_plane_state *state = plane->state;
+ struct drm_plane_state *new_state = plane->state;
...
}
@ depends on moves_new_state_old_state @
identifier plane_atomic_func.func;
identifier plane;
identifier old_state;
symbol state;
@@
func(struct drm_plane *plane, struct drm_plane_state *old_state)
{
<...
- state
+ new_state
...>
}
@ moves_new_state_oldstate @
identifier plane_atomic_func.func;
identifier plane;
symbol oldstate;
symbol state;
@@
func(struct drm_plane *plane, struct drm_plane_state *oldstate)
{
...
- struct drm_plane_state *state = plane->state;
+ struct drm_plane_state *newstate = plane->state;
...
}
@ depends on moves_new_state_oldstate @
identifier plane_atomic_func.func;
identifier plane;
identifier old_state;
symbol state;
@@
func(struct drm_plane *plane, struct drm_plane_state *old_state)
{
<...
- state
+ newstate
...>
}
@ moves_new_state_old_pstate @
identifier plane_atomic_func.func;
identifier plane;
symbol old_pstate;
symbol state;
@@
func(struct drm_plane *plane, struct drm_plane_state *old_pstate)
{
...
- struct drm_plane_state *state = plane->state;
+ struct drm_plane_state *new_pstate = plane->state;
...
}
@ depends on moves_new_state_old_pstate @
identifier plane_atomic_func.func;
identifier plane;
identifier old_pstate;
symbol state;
@@
func(struct drm_plane *plane, struct drm_plane_state *old_pstate)
{
<...
- state
+ new_pstate
...>
}
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219120032.260676-8-maxime@cerno.tech
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Many drivers reference the plane->state pointer in order to get the
current plane state in their atomic_check hook, which would be the old
plane state in the global atomic state since _swap_state hasn't happened
when atomic_check is run.
Use the drm_atomic_get_old_plane_state helper to get that state to make
it more obvious.
This was made using the coccinelle script below:
@ plane_atomic_func @
identifier helpers;
identifier func;
@@
static struct drm_plane_helper_funcs helpers = {
...,
.atomic_check = func,
...,
};
@ replaces_old_state @
identifier plane_atomic_func.func;
identifier plane, state, plane_state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state) {
...
- struct drm_plane_state *plane_state = plane->state;
+ struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane);
...
}
@@
identifier plane_atomic_func.func;
identifier plane, state, plane_state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state) {
struct drm_plane_state *plane_state = drm_atomic_get_old_plane_state(state, plane);
<...
- plane->state
+ plane_state
...>
}
@ adds_old_state @
identifier plane_atomic_func.func;
identifier plane, state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state) {
+ struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
<...
- plane->state
+ old_plane_state
...>
}
@ include depends on adds_old_state || replaces_old_state @
@@
#include <drm/drm_atomic.h>
@ no_include depends on !include && (adds_old_state || replaces_old_state) @
@@
+ #include <drm/drm_atomic.h>
#include <drm/...>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219120032.260676-6-maxime@cerno.tech
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Now that atomic_check takes the global atomic state as a parameter, we
don't need to go through the pointer in the plane state.
This was done using the following coccinelle script:
@ plane_atomic_func @
identifier helpers;
identifier func;
@@
static struct drm_plane_helper_funcs helpers = {
...,
.atomic_check = func,
...,
};
@@
identifier plane_atomic_func.func;
identifier plane, state;
identifier plane_state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state) {
...
- struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
<... when != plane_state
- plane_state->state
+ state
...>
}
@@
identifier plane_atomic_func.func;
identifier plane, state;
identifier plane_state;
@@
func(struct drm_plane *plane, struct drm_atomic_state *state) {
...
struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
<...
- plane_state->state
+ state
...>
}
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210219120032.260676-5-maxime@cerno.tech
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