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Hi Daniel, Thank you for the patch. On Tuesday, 15 January 2019 12:41:37 EET Daniel Vetter wrote: > Having the probe helper stuff (which pretty much everyone needs) in > the drm_crtc_helper.h file (which atomic drivers should never need) is > confusing. Split them out. > > To make sure I actually achieved the goal here I went through all > drivers. And indeed, all atomic drivers are now free of > drm_crtc_helper.h includes. > > v2: Make it compile. There was so much compile fail on arm drivers > that I figured I'll better not include any of the acks on v1. > > v3: Massive rebase because i915 has lost a lot of drmP.h includes, but > not all: Through drm_crtc_helper.h > drm_modeset_helper.h -> drmP.h > there was still one, which this patch largely removes. Which means > rolling out lots more includes all over. > > This will also conflict with ongoing drmP.h cleanup by others I > expect. > > v3: Rebase on top of atomic bochs. > > Cc: Sam Ravnborg <sam@xxxxxxxxxxxx> > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> (v2) > Acked-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx> (v2) > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx> > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx > Cc: etnaviv@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx > Cc: linux-amlogic@xxxxxxxxxxxxxxxxxxx > Cc: linux-arm-msm@xxxxxxxxxxxxxxx > Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx > Cc: nouveau@xxxxxxxxxxxxxxxxxxxxx > Cc: spice-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: linux-renesas-soc@xxxxxxxxxxxxxxx > Cc: linux-rockchip@xxxxxxxxxxxxxxxxxxx > Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx > Cc: linux-tegra@xxxxxxxxxxxxxxx > Cc: xen-devel@xxxxxxxxxxxxx > --- > Merging this is going to be a bit a mess due to all the ongoing drmP.h > cleanups. I think the following should work: > - Apply Sam's prep patches for removing drmP.h from > drm_modeset_helper.h > - Get the i915 drmP.h cleanup backmerged into drm-misc-next > - Apply this patch. > - Apply Sam's patch to remove drmP.h from drm_modeset_helper.h > - All through drm-misc-next, which has some potential for trivial > conflicts around #includes with other drivers unfortunately. > > I hope there's no other driver who'll blow up accidentally because > someone else is doing a drmP.h cleanup. Laurent maybe? There's a drmP.h cleanup in the R-Car DU driver, but it doesn't conflict with this patch, the combination of both compiles fine. > Jani, ack on this? > -Daniel > --- [snip] > drivers/gpu/drm/bridge/adv7511/adv7511.h | 5 +- > drivers/gpu/drm/bridge/analogix-anx78xx.c | 2 +- > drivers/gpu/drm/bridge/dumb-vga-dac.c | 2 +- > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 +- > drivers/gpu/drm/bridge/ti-tfp410.c | 2 +- > drivers/gpu/drm/drm_atomic_helper.c | 1 - > drivers/gpu/drm/drm_dp_mst_topology.c | 2 +- > drivers/gpu/drm/drm_modeset_helper.c | 2 +- > drivers/gpu/drm/drm_probe_helper.c | 2 +- > drivers/gpu/drm/drm_simple_kms_helper.c | 2 +- > drivers/gpu/drm/omapdrm/omap_connector.c | 2 +- > drivers/gpu/drm/omapdrm/omap_crtc.c | 2 +- > drivers/gpu/drm/omapdrm/omap_drv.c | 2 +- > drivers/gpu/drm/omapdrm/omap_drv.h | 2 +- > drivers/gpu/drm/omapdrm/omap_encoder.c | 2 +- > drivers/gpu/drm/omapdrm/omap_fb.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_crtc.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_drv.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_kms.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_plane.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_du_vsp.c | 2 +- > drivers/gpu/drm/rcar-du/rcar_lvds.c | 2 +- > drivers/gpu/drm/shmobile/shmob_drm_crtc.c | 1 + > drivers/gpu/drm/shmobile/shmob_drm_drv.c | 1 + > drivers/gpu/drm/shmobile/shmob_drm_kms.c | 1 + > include/drm/drm_crtc_helper.h | 16 ------ > include/drm/drm_probe_helper.h | 50 +++++++++++++++++++ For the above files, with the comments below addressed, Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > 227 files changed, 289 insertions(+), 200 deletions(-) > create mode 100644 include/drm/drm_probe_helper.h [snip] > diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h > b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 73d8ccb97742..d52ffab41eb4 > 100644 > --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h > +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h > @@ -14,8 +14,11 @@ > #include <linux/regmap.h> > #include <linux/regulator/consumer.h> > > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_probe_helper.h> The probe helpers are needed in adv7511_drv.c only, I would move the include there. > #include <drm/drm_mipi_dsi.h> > +#include <drm/drm_connector.h> > +#include <drm/drm_modes.h> > +#include <drm/drm_bridge.h> Please keep the headers alphabetically sorted, here and in all other drivers. > #define ADV7511_REG_CHIP_REVISION 0x00 > #define ADV7511_REG_N0 0x01 [snip] > diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c > b/drivers/gpu/drm/omapdrm/omap_crtc.c index 40acf4ce7c9f..9beb0edd5ffa > 100644 > --- a/drivers/gpu/drm/omapdrm/omap_crtc.c > +++ b/drivers/gpu/drm/omapdrm/omap_crtc.c > @@ -18,7 +18,7 @@ > #include <drm/drm_atomic.h> > #include <drm/drm_atomic_helper.h> > #include <drm/drm_crtc.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_probe_helper.h> This file doesn't use the probe helpers, you can drop this. > #include <drm/drm_mode.h> > #include <drm/drm_plane_helper.h> > #include <linux/math64.h> [snip] > diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h > b/drivers/gpu/drm/omapdrm/omap_drv.h index bd7f2c227a25..513ae8ab5e64 > 100644 > --- a/drivers/gpu/drm/omapdrm/omap_drv.h > +++ b/drivers/gpu/drm/omapdrm/omap_drv.h > @@ -23,7 +23,7 @@ > #include <linux/workqueue.h> > > #include <drm/drmP.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_probe_helper.h> This isn't needed globally in the driver either. > #include <drm/drm_gem.h> > #include <drm/omap_drm.h> > > diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c > b/drivers/gpu/drm/omapdrm/omap_encoder.c index 148b6b20274f..cd2328fa4ba6 > 100644 > --- a/drivers/gpu/drm/omapdrm/omap_encoder.c > +++ b/drivers/gpu/drm/omapdrm/omap_encoder.c > @@ -18,7 +18,7 @@ > #include <linux/list.h> > > #include <drm/drm_crtc.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_atomic_helper.h> As far as I can tell this is only used to include drm_modeset_helper_vtables.h. Should we include that file instead ? > #include <drm/drm_edid.h> > > #include "omap_drv.h" [snip] > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c index 90dacab67be5..b15d2b3a07f1 > 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.c > @@ -15,7 +15,7 @@ > #include <drm/drm_atomic.h> > #include <drm/drm_atomic_helper.h> > #include <drm/drm_crtc.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_probe_helper.h> Not needed either. > #include <drm/drm_fb_cma_helper.h> > #include <drm/drm_gem_cma_helper.h> > #include <drm/drm_plane_helper.h> [snip] > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index > 1877764bd6d9..0b440f554aed 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c > @@ -11,7 +11,7 @@ > > #include <drm/drmP.h> > #include <drm/drm_crtc.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_atomic_helper.h> As far as I can tell this is only used to include drm_modeset_helper_vtables.h. Should we include that file instead ? > #include <drm/drm_panel.h> > > #include "rcar_du_drv.h" [snip] > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c > b/drivers/gpu/drm/rcar-du/rcar_du_plane.c index 39d5ae3fdf72..b7fa278ca745 > 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c > @@ -11,7 +11,7 @@ > #include <drm/drm_atomic.h> > #include <drm/drm_atomic_helper.h> > #include <drm/drm_crtc.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_probe_helper.h> Not needed. > #include <drm/drm_fb_cma_helper.h> > #include <drm/drm_gem_cma_helper.h> > #include <drm/drm_plane_helper.h> > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c index 4576119e7777..35b2a4d3ae74 > 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > +++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c > @@ -10,7 +10,7 @@ > #include <drm/drmP.h> > #include <drm/drm_atomic_helper.h> > #include <drm/drm_crtc.h> > -#include <drm/drm_crtc_helper.h> > +#include <drm/drm_probe_helper.h> Not needed. > #include <drm/drm_fb_cma_helper.h> > #include <drm/drm_gem_cma_helper.h> > #include <drm/drm_gem_framebuffer_helper.h> [snip] > diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h > new file mode 100644 > index 000000000000..96c060c16a1e > --- /dev/null > +++ b/include/drm/drm_probe_helper.h > @@ -0,0 +1,50 @@ > +/* > + * Copyright © 2006 Keith Packard > + * Copyright © 2007-2008 Dave Airlie > + * Copyright © 2007-2008 Intel Corporation > + * Jesse Barnes <jesse.barnes@xxxxxxxxx> > + * > + * Permission is hereby granted, free of charge, to any person obtaining a > + * copy of this software and associated documentation files (the > "Software"), + * to deal in the Software without restriction, including > without limitation + * the rights to use, copy, modify, merge, publish, > distribute, sublicense, + * and/or sell copies of the Software, and to > permit persons to whom the + * Software is furnished to do so, subject to > the following conditions: + * > + * The above copyright notice and this permission notice shall be included > in + * all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS > OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF > MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. > IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR > ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF > CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH > THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. Let's use an SPDX tag instead. > + */ > + > +#ifndef __DRM_PROBE_HELPER_H__ > +#define __DRM_PROBE_HELPER_H__ > + > +#include <linux/types.h> > + > +struct drm_connector; > +struct drm_device; > +struct drm_modeset_acquire_ctx; > + > +int drm_helper_probe_single_connector_modes(struct drm_connector > + *connector, uint32_t maxX, > + uint32_t maxY); > +int drm_helper_probe_detect(struct drm_connector *connector, > + struct drm_modeset_acquire_ctx *ctx, > + bool force); > +void drm_kms_helper_poll_init(struct drm_device *dev); > +void drm_kms_helper_poll_fini(struct drm_device *dev); > +bool drm_helper_hpd_irq_event(struct drm_device *dev); > +void drm_kms_helper_hotplug_event(struct drm_device *dev); > + > +void drm_kms_helper_poll_disable(struct drm_device *dev); > +void drm_kms_helper_poll_enable(struct drm_device *dev); > +bool drm_kms_helper_is_poll_worker(void); > + > +#endif -- Regards, Laurent Pinchart _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel

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Re: [Xen-devel] [PATCH] drm: Split out drm_probe_helper.h