4a83c26a1d
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
45 lines
1.1 KiB
Plaintext
45 lines
1.1 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config DRM_IMX
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tristate "DRM Support for Freescale i.MX"
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select DRM_KMS_HELPER
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select VIDEOMODE_HELPERS
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select DRM_GEM_DMA_HELPER
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select DRM_KMS_HELPER
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depends on DRM && (ARCH_MXC || ARCH_MULTIPLATFORM || COMPILE_TEST)
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depends on IMX_IPUV3_CORE
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help
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enable i.MX graphics support
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config DRM_IMX_PARALLEL_DISPLAY
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tristate "Support for parallel displays"
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select DRM_PANEL
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depends on DRM_IMX
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select VIDEOMODE_HELPERS
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config DRM_IMX_TVE
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tristate "Support for TV and VGA displays"
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depends on DRM_IMX
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depends on COMMON_CLK
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select REGMAP_MMIO
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help
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Choose this to enable the internal Television Encoder (TVe)
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found on i.MX53 processors.
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config DRM_IMX_LDB
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tristate "Support for LVDS displays"
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depends on DRM_IMX && MFD_SYSCON
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depends on COMMON_CLK
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select DRM_PANEL
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help
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Choose this to enable the internal LVDS Display Bridge (LDB)
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found on i.MX53 and i.MX6 processors.
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config DRM_IMX_HDMI
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tristate "Freescale i.MX DRM HDMI"
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select DRM_DW_HDMI
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depends on DRM_IMX && OF
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help
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Choose this if you want to use HDMI on i.MX6.
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source "drivers/gpu/drm/imx/dcss/Kconfig"
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