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Date: Wed, 6 Jul 2022 10:34:13 +0200
From: Thomas Zimmermann <tzimmermann@...e.de>
To: Danilo Krummrich <dakr@...hat.com>, daniel@...ll.ch,
laurent.pinchart@...asonboard.com, airlied@...ux.ie
Cc: linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 0/3] drm: rename CMA helpers to DMA helpers
Am 05.07.22 um 23:26 schrieb Danilo Krummrich:
> This patch series renames all CMA helpers to DMA helpers - considering the
> hierarchy of APIs (mm/cma -> dma -> gem/fb dma helpers) calling them DMA
> helpers seems to be more applicable.
Ok, why not.
Acked-by: Thomas Zimmermann <tzimmermann@...e.de>
for the series.
Sometimes allocation fails because there's no CMA memory left.
Increasing that value on boot usually fixes the problem. Should we note
somewhere in the docs that the allocator is backed by pages in CMA memory?
Best regards
Thomas
>
> Additionally, 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.
>
> The patches are compile-time tested building a x86_64 kernel with
> `make allyesconfig && make drivers/gpu/drm`.
>
> Danilo Krummrich (3):
> drm/fb: rename FB CMA helpers to FB DMA helpers
> drm/gem: rename GEM CMA helpers to GEM DMA helpers
> drm/todo: remove task to rename CMA helpers
>
> Documentation/gpu/drm-kms-helpers.rst | 8 +-
> Documentation/gpu/drm-mm.rst | 16 +-
> Documentation/gpu/todo.rst | 13 -
> drivers/gpu/drm/Kconfig | 4 +-
> drivers/gpu/drm/Makefile | 6 +-
> drivers/gpu/drm/arm/Kconfig | 4 +-
> drivers/gpu/drm/arm/display/Kconfig | 2 +-
> .../arm/display/komeda/komeda_framebuffer.c | 10 +-
> .../gpu/drm/arm/display/komeda/komeda_kms.c | 10 +-
> drivers/gpu/drm/arm/hdlcd_crtc.c | 6 +-
> drivers/gpu/drm/arm/hdlcd_drv.c | 8 +-
> drivers/gpu/drm/arm/malidp_drv.c | 10 +-
> drivers/gpu/drm/arm/malidp_mw.c | 6 +-
> drivers/gpu/drm/arm/malidp_planes.c | 24 +-
> drivers/gpu/drm/armada/armada_gem.c | 6 +-
> drivers/gpu/drm/aspeed/Kconfig | 2 +-
> drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c | 8 +-
> drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 8 +-
> drivers/gpu/drm/atmel-hlcdc/Kconfig | 2 +-
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 6 +-
> .../gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 6 +-
> ...rm_fb_cma_helper.c => drm_fb_dma_helper.c} | 52 +--
> drivers/gpu/drm/drm_file.c | 2 +-
> drivers/gpu/drm/drm_format_helper.c | 4 +-
> ..._gem_cma_helper.c => drm_gem_dma_helper.c} | 296 +++++++++---------
> drivers/gpu/drm/drm_mipi_dbi.c | 2 +-
> drivers/gpu/drm/fsl-dcu/Kconfig | 2 +-
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c | 8 +-
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_kms.c | 2 +-
> drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_plane.c | 8 +-
> drivers/gpu/drm/hisilicon/kirin/Kconfig | 2 +-
> .../gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 10 +-
> .../gpu/drm/hisilicon/kirin/kirin_drm_drv.c | 4 +-
> drivers/gpu/drm/imx/Kconfig | 2 +-
> drivers/gpu/drm/imx/dcss/Kconfig | 2 +-
> drivers/gpu/drm/imx/dcss/dcss-kms.c | 6 +-
> drivers/gpu/drm/imx/dcss/dcss-plane.c | 18 +-
> drivers/gpu/drm/imx/imx-drm-core.c | 10 +-
> drivers/gpu/drm/imx/imx-drm.h | 2 +-
> drivers/gpu/drm/imx/ipuv3-crtc.c | 4 +-
> drivers/gpu/drm/imx/ipuv3-plane.c | 28 +-
> drivers/gpu/drm/ingenic/Kconfig | 2 +-
> drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 14 +-
> drivers/gpu/drm/ingenic/ingenic-ipu.c | 12 +-
> drivers/gpu/drm/kmb/Kconfig | 2 +-
> drivers/gpu/drm/kmb/kmb_drv.c | 6 +-
> drivers/gpu/drm/kmb/kmb_plane.c | 10 +-
> drivers/gpu/drm/mcde/Kconfig | 2 +-
> drivers/gpu/drm/mcde/mcde_display.c | 8 +-
> drivers/gpu/drm/mcde/mcde_drv.c | 10 +-
> drivers/gpu/drm/mediatek/Kconfig | 2 +-
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 +-
> drivers/gpu/drm/mediatek/mtk_drm_gem.c | 4 +-
> drivers/gpu/drm/meson/Kconfig | 2 +-
> drivers/gpu/drm/meson/meson_drv.c | 10 +-
> drivers/gpu/drm/meson/meson_overlay.c | 12 +-
> drivers/gpu/drm/meson/meson_plane.c | 8 +-
> drivers/gpu/drm/msm/msm_drv.c | 2 +-
> drivers/gpu/drm/mxsfb/Kconfig | 2 +-
> drivers/gpu/drm/mxsfb/mxsfb_drv.c | 6 +-
> drivers/gpu/drm/mxsfb/mxsfb_kms.c | 10 +-
> drivers/gpu/drm/panel/Kconfig | 2 +-
> drivers/gpu/drm/panel/panel-ilitek-ili9341.c | 6 +-
> drivers/gpu/drm/pl111/Kconfig | 2 +-
> drivers/gpu/drm/pl111/pl111_display.c | 8 +-
> drivers/gpu/drm/pl111/pl111_drv.c | 10 +-
> drivers/gpu/drm/rcar-du/Kconfig | 2 +-
> drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 4 +-
> drivers/gpu/drm/rcar-du/rcar_du_drv.c | 6 +-
> drivers/gpu/drm/rcar-du/rcar_du_kms.c | 38 +--
> drivers/gpu/drm/rcar-du/rcar_du_plane.c | 8 +-
> drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 6 +-
> drivers/gpu/drm/rockchip/Kconfig | 2 +-
> drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 2 +-
> drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 4 +-
> drivers/gpu/drm/shmobile/Kconfig | 2 +-
> drivers/gpu/drm/shmobile/shmob_drm_crtc.c | 10 +-
> drivers/gpu/drm/shmobile/shmob_drm_drv.c | 6 +-
> drivers/gpu/drm/shmobile/shmob_drm_kms.c | 4 +-
> drivers/gpu/drm/shmobile/shmob_drm_kms.h | 2 +-
> drivers/gpu/drm/shmobile/shmob_drm_plane.c | 10 +-
> drivers/gpu/drm/solomon/ssd130x.c | 2 +-
> drivers/gpu/drm/sprd/Kconfig | 2 +-
> drivers/gpu/drm/sprd/sprd_dpu.c | 10 +-
> drivers/gpu/drm/sprd/sprd_drm.c | 6 +-
> drivers/gpu/drm/sti/Kconfig | 2 +-
> drivers/gpu/drm/sti/sti_cursor.c | 14 +-
> drivers/gpu/drm/sti/sti_drv.c | 8 +-
> drivers/gpu/drm/sti/sti_gdp.c | 18 +-
> drivers/gpu/drm/sti/sti_hqvdp.c | 18 +-
> drivers/gpu/drm/sti/sti_plane.c | 4 +-
> drivers/gpu/drm/stm/Kconfig | 2 +-
> drivers/gpu/drm/stm/drv.c | 12 +-
> drivers/gpu/drm/stm/ltdc.c | 16 +-
> drivers/gpu/drm/sun4i/Kconfig | 2 +-
> drivers/gpu/drm/sun4i/sun4i_backend.c | 6 +-
> drivers/gpu/drm/sun4i/sun4i_drv.c | 10 +-
> drivers/gpu/drm/sun4i/sun4i_frontend.c | 10 +-
> drivers/gpu/drm/sun4i/sun8i_mixer.c | 4 +-
> drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 8 +-
> drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 8 +-
> drivers/gpu/drm/tegra/fb.c | 2 +-
> drivers/gpu/drm/tidss/Kconfig | 2 +-
> drivers/gpu/drm/tidss/tidss_crtc.c | 4 +-
> drivers/gpu/drm/tidss/tidss_dispc.c | 12 +-
> drivers/gpu/drm/tidss/tidss_drv.c | 6 +-
> drivers/gpu/drm/tidss/tidss_kms.c | 2 +-
> drivers/gpu/drm/tidss/tidss_plane.c | 2 +-
> drivers/gpu/drm/tilcdc/Kconfig | 2 +-
> drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 8 +-
> drivers/gpu/drm/tilcdc/tilcdc_drv.c | 6 +-
> drivers/gpu/drm/tiny/Kconfig | 22 +-
> drivers/gpu/drm/tiny/arcpgu.c | 12 +-
> drivers/gpu/drm/tiny/hx8357d.c | 6 +-
> drivers/gpu/drm/tiny/ili9163.c | 6 +-
> drivers/gpu/drm/tiny/ili9225.c | 12 +-
> drivers/gpu/drm/tiny/ili9341.c | 6 +-
> drivers/gpu/drm/tiny/ili9486.c | 6 +-
> drivers/gpu/drm/tiny/mi0283qt.c | 6 +-
> drivers/gpu/drm/tiny/panel-mipi-dbi.c | 6 +-
> drivers/gpu/drm/tiny/repaper.c | 12 +-
> drivers/gpu/drm/tiny/st7586.c | 12 +-
> drivers/gpu/drm/tiny/st7735r.c | 6 +-
> drivers/gpu/drm/tve200/Kconfig | 2 +-
> drivers/gpu/drm/tve200/tve200_display.c | 12 +-
> drivers/gpu/drm/tve200/tve200_drv.c | 8 +-
> drivers/gpu/drm/v3d/v3d_drv.c | 2 +-
> drivers/gpu/drm/v3d/v3d_gem.c | 4 +-
> drivers/gpu/drm/vc4/Kconfig | 2 +-
> drivers/gpu/drm/vc4/vc4_bo.c | 44 +--
> drivers/gpu/drm/vc4/vc4_crtc.c | 10 +-
> drivers/gpu/drm/vc4/vc4_drv.c | 8 +-
> drivers/gpu/drm/vc4/vc4_drv.h | 18 +-
> drivers/gpu/drm/vc4/vc4_gem.c | 4 +-
> drivers/gpu/drm/vc4/vc4_plane.c | 10 +-
> drivers/gpu/drm/vc4/vc4_render_cl.c | 26 +-
> drivers/gpu/drm/vc4/vc4_txp.c | 6 +-
> drivers/gpu/drm/vc4/vc4_v3d.c | 4 +-
> drivers/gpu/drm/vc4/vc4_validate.c | 16 +-
> drivers/gpu/drm/vc4/vc4_validate_shaders.c | 2 +-
> drivers/gpu/drm/xlnx/Kconfig | 2 +-
> drivers/gpu/drm/xlnx/zynqmp_disp.c | 4 +-
> drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 8 +-
> ...rm_fb_cma_helper.h => drm_fb_dma_helper.h} | 10 +-
> include/drm/drm_gem.h | 2 +-
> ..._gem_cma_helper.h => drm_gem_dma_helper.h} | 154 ++++-----
> 146 files changed, 777 insertions(+), 790 deletions(-)
> rename drivers/gpu/drm/{drm_fb_cma_helper.c => drm_fb_dma_helper.c} (68%)
> rename drivers/gpu/drm/{drm_gem_cma_helper.c => drm_gem_dma_helper.c} (60%)
> rename include/drm/{drm_fb_cma_helper.h => drm_fb_dma_helper.h} (56%)
> rename include/drm/{drm_gem_cma_helper.h => drm_gem_dma_helper.h} (53%)
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev
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