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linux-stable/Documentation/gpu/pl111.rst

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drm: pl111: Update documentation Remove notes about migrating from the old driver which is retired as all users are now migrated. Update the text to reflect that we support PL110 and PL111 alike. Drop the bullet on memory bandwidth scaling: this has been implemented. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Russell King <linux@armlinux.org.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200720130327.92364-1-linus.walleij@linaro.org
2020-07-20 15:03:27 +02:00
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drm/pl111 ARM PrimeCell PL110 and PL111 CLCD Driver
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drm/pl111: Initial drm/kms driver for pl111 This is a modesetting driver for the pl111 CLCD display controller found on various ARM platforms such as the Versatile Express. The driver has only been tested on the bcm911360_entphn platform so far, with PRIME-based buffer sharing between vc4 and clcd. It reuses the existing devicetree binding, while not using quite as many of its properties as the fbdev driver does (those are left for future work). v2: Nearly complete rewrite by anholt, cutting 2/3 of the code thanks to DRM core's excellent new helpers. v3: Don't match pl110 any more, don't attach if we don't have a DRM panel, use DRM_GEM_CMA_FOPS, update MAINTAINERS, use the simple display helper, use drm_gem_cma_dumb_create (same as our wrapper). v4: Change the driver's .name to not clash with fbdev in sysfs, drop platform alias, drop redundant "drm" in DRM driver name, hook up .prepare_fb to the CMA helper so that DMA fences should work. v5: Move register definitions inside the driver directory, fix build in COMPILE_TEST and !AMBA mode. v6: Drop TIM2_CLKSEL for now to be consistent with existing DT bindings, switch back to external register definitions. Signed-off-by: Tom Cooksey <tom.cooksey@arm.com> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> (v5) Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170413031746.12921-2-eric@anholt.net
2017-04-12 20:17:46 -07:00
.. kernel-doc:: drivers/gpu/drm/pl111/pl111_drv.c
drm: pl111: Update documentation Remove notes about migrating from the old driver which is retired as all users are now migrated. Update the text to reflect that we support PL110 and PL111 alike. Drop the bullet on memory bandwidth scaling: this has been implemented. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Russell King <linux@armlinux.org.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200720130327.92364-1-linus.walleij@linaro.org
2020-07-20 15:03:27 +02:00
:doc: ARM PrimeCell PL110 and PL111 CLCD Driver
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