Hi all,
On Mon, 13 May 2024 12:03:12 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>
> On Tue, 7 May 2024 12:51:32 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >
> > Today's linux-next merge of the drm-msm tree got a conflict in:
> >
> > drivers/gpu/drm/msm/Makefile
> >
> > between commit:
> >
> > 7c972986689b ("kbuild: use $(src) instead of $(srctree)/$(src) for source directory")
> >
> > from the kbuild tree and commits:
> >
> > 0fddd045f88e ("drm/msm: generate headers on the fly")
> > 07a2f8716c41 ("drm/msm/gen_header: allow skipping the validation")
> >
> > from the drm-msm tree.
> >
> > I fixed it up (see below) and can carry the fix as necessary. This
> > is now fixed as far as linux-next is concerned, but any non trivial
> > conflicts should be mentioned to your upstream maintainer when your tree
> > is submitted for merging. You may also want to consider cooperating
> > with the maintainer of the conflicting tree to minimise any particularly
> > complex conflicts.
> >
> > diff --cc drivers/gpu/drm/msm/Makefile
> > index b8cc007fc1b9,718968717ad5..000000000000
> > --- a/drivers/gpu/drm/msm/Makefile
> > +++ b/drivers/gpu/drm/msm/Makefile
> > @@@ -1,10 -1,11 +1,11 @@@
> > # SPDX-License-Identifier: GPL-2.0
> > -ccflags-y := -I $(srctree)/$(src)
> > +ccflags-y := -I $(src)
> > + ccflags-y += -I $(obj)/generated
> > -ccflags-y += -I $(srctree)/$(src)/disp/dpu1
> > -ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(srctree)/$(src)/dsi
> > -ccflags-$(CONFIG_DRM_MSM_DP) += -I $(srctree)/$(src)/dp
> > +ccflags-y += -I $(src)/disp/dpu1
> > +ccflags-$(CONFIG_DRM_MSM_DSI) += -I $(src)/dsi
> > +ccflags-$(CONFIG_DRM_MSM_DP) += -I $(src)/dp
> >
> > - msm-y := \
> > + adreno-y := \
> > adreno/adreno_device.o \
> > adreno/adreno_gpu.o \
> > adreno/a2xx_gpu.o \
> > @@@ -140,11 -145,68 +145,68 @@@ msm-display-$(CONFIG_DRM_MSM_DSI) += ds
> > dsi/dsi_manager.o \
> > dsi/phy/dsi_phy.o
> >
> > - msm-$(CONFIG_DRM_MSM_DSI_28NM_PHY) += dsi/phy/dsi_phy_28nm.o
> > - msm-$(CONFIG_DRM_MSM_DSI_20NM_PHY) += dsi/phy/dsi_phy_20nm.o
> > - msm-$(CONFIG_DRM_MSM_DSI_28NM_8960_PHY) += dsi/phy/dsi_phy_28nm_8960.o
> > - msm-$(CONFIG_DRM_MSM_DSI_14NM_PHY) += dsi/phy/dsi_phy_14nm.o
> > - msm-$(CONFIG_DRM_MSM_DSI_10NM_PHY) += dsi/phy/dsi_phy_10nm.o
> > - msm-$(CONFIG_DRM_MSM_DSI_7NM_PHY) += dsi/phy/dsi_phy_7nm.o
> > + msm-display-$(CONFIG_DRM_MSM_DSI_28NM_PHY) += dsi/phy/dsi_phy_28nm.o
> > + msm-display-$(CONFIG_DRM_MSM_DSI_20NM_PHY) += dsi/phy/dsi_phy_20nm.o
> > + msm-display-$(CONFIG_DRM_MSM_DSI_28NM_8960_PHY) += dsi/phy/dsi_phy_28nm_8960.o
> > + msm-display-$(CONFIG_DRM_MSM_DSI_14NM_PHY) += dsi/phy/dsi_phy_14nm.o
> > + msm-display-$(CONFIG_DRM_MSM_DSI_10NM_PHY) += dsi/phy/dsi_phy_10nm.o
> > + msm-display-$(CONFIG_DRM_MSM_DSI_7NM_PHY) += dsi/phy/dsi_phy_7nm.o
> > +
> > + msm-y += $(adreno-y) $(msm-display-y)
> >
> > obj-$(CONFIG_DRM_MSM) += msm.o
> > +
> > + ifeq (y,$(CONFIG_DRM_MSM_VALIDATE_XML))
> > + headergen-opts += --validate
> > + else
> > + headergen-opts += --no-validate
> > + endif
> > +
> > + quiet_cmd_headergen = GENHDR $@
> > - cmd_headergen = mkdir -p $(obj)/generated && $(PYTHON3) $(srctree)/$(src)/registers/gen_header.py \
> > - $(headergen-opts) --rnn $(srctree)/$(src)/registers --xml $< c-defines > $@
> > ++ cmd_headergen = mkdir -p $(obj)/generated && $(PYTHON3) $(src)/registers/gen_header.py \
> > ++ $(headergen-opts) --rnn $(src)/registers --xml $< c-defines > $@
> > +
> > + $(obj)/generated/%.xml.h: $(src)/registers/adreno/%.xml \
> > + $(src)/registers/adreno/adreno_common.xml \
> > + $(src)/registers/adreno/adreno_pm4.xml \
> > + $(src)/registers/freedreno_copyright.xml \
> > + $(src)/registers/gen_header.py \
> > + $(src)/registers/rules-fd.xsd \
> > + FORCE
> > + $(call if_changed,headergen)
> > +
> > + $(obj)/generated/%.xml.h: $(src)/registers/display/%.xml \
> > + $(src)/registers/freedreno_copyright.xml \
> > + $(src)/registers/gen_header.py \
> > + $(src)/registers/rules-fd.xsd \
> > + FORCE
> > + $(call if_changed,headergen)
> > +
> > + ADRENO_HEADERS = \
> > + generated/a2xx.xml.h \
> > + generated/a3xx.xml.h \
> > + generated/a4xx.xml.h \
> > + generated/a5xx.xml.h \
> > + generated/a6xx.xml.h \
> > + generated/a6xx_gmu.xml.h \
> > + generated/adreno_common.xml.h \
> > + generated/adreno_pm4.xml.h \
> > +
> > + DISPLAY_HEADERS = \
> > + generated/dsi_phy_7nm.xml.h \
> > + generated/dsi_phy_10nm.xml.h \
> > + generated/dsi_phy_14nm.xml.h \
> > + generated/dsi_phy_20nm.xml.h \
> > + generated/dsi_phy_28nm_8960.xml.h \
> > + generated/dsi_phy_28nm.xml.h \
> > + generated/dsi.xml.h \
> > + generated/hdmi.xml.h \
> > + generated/mdp4.xml.h \
> > + generated/mdp5.xml.h \
> > + generated/mdp_common.xml.h \
> > + generated/sfpb.xml.h
> > +
> > + $(addprefix $(obj)/,$(adreno-y)): $(addprefix $(obj)/,$(ADRENO_HEADERS))
> > + $(addprefix $(obj)/,$(msm-display-y)): $(addprefix $(obj)/,$(DISPLAY_HEADERS))
> > +
> > + targets += $(ADRENO_HEADERS) $(DISPLAY_HEADERS)
>
> This is now conflict between the drm tree and the kbuild tree.
And now a conflict between the kbuild tree and Linus' tree.
--
Cheers,
Stephen Rothwell
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