Re: [Intel-gfx] [PATCH 2/2] drm/i915: remove gvt/Makefile

2020-04-09 Thread Zhenyu Wang
On 2020.04.10 00:58:16 +0300, Jani Nikula wrote:
> On Fri, 10 Apr 2020, Masahiro Yamada  wrote:
> > Including subdirectory Makefile from the driver main Makefile does not
> > buy us much because this is not real isolation.
> 
> The isolation it does buy us is that gvt/ subdirectory is developed and
> maintained on a separate mailing list and separate git repo. I think at
> some point there were plans to make it an actual module too.
> 
> So while you could quip about Conway's law here, I think it might be
> better to keep this as it is.
> 
> Zhenyu, Zhi, what do you think?

Yeah, I have the same feeling, maybe we can add some comment in gvt Makefile
to state that point.

Thanks

> >
> > Having a single Makefile at the top of the module is clearer, and
> > it is what this driver almost does.
> >
> > Move all gvt objects to the i915 main Makefile.
> >
> > Signed-off-by: Masahiro Yamada 
> > ---
> >
> >  drivers/gpu/drm/i915/Makefile | 28 
> >  drivers/gpu/drm/i915/gvt/Makefile |  8 
> >  2 files changed, 24 insertions(+), 12 deletions(-)
> >  delete mode 100644 drivers/gpu/drm/i915/gvt/Makefile
> >
> > diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> > index 6cd1f6253814..74e965882a98 100644
> > --- a/drivers/gpu/drm/i915/Makefile
> > +++ b/drivers/gpu/drm/i915/Makefile
> > @@ -275,10 +275,30 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
> >  # virtual gpu code
> >  i915-y += i915_vgpu.o
> >  
> > -ifeq ($(CONFIG_DRM_I915_GVT),y)
> > -i915-y += intel_gvt.o
> > -include $(src)/gvt/Makefile
> > -endif
> > +i915-$(CONFIG_DRM_I915_GVT) += \
> > +   intel_gvt.o \
> > +   gvt/gvt.o \
> > +   gvt/aperture_gm.o \
> > +   gvt/handlers.o \
> > +   gvt/vgpu.o \
> > +   gvt/trace_points.o \
> > +   gvt/firmware.o \
> > +   gvt/interrupt.o \
> > +   gvt/gtt.o \
> > +   gvt/cfg_space.o \
> > +   gvt/opregion.o \
> > +   gvt/mmio.o \
> > +   gvt/display.o \
> > +   gvt/edid.o \
> > +   gvt/execlist.o \
> > +   gvt/scheduler.o \
> > +   gvt/sched_policy.o \
> > +   gvt/mmio_context.o \
> > +   gvt/cmd_parser.o \
> > +   gvt/debugfs.o \
> > +   gvt/fb_decoder.o \
> > +   gvt/dmabuf.o \
> > +   gvt/page_track.o
> >  
> >  obj-$(CONFIG_DRM_I915) += i915.o
> >  obj-$(CONFIG_DRM_I915_GVT_KVMGT) += gvt/kvmgt.o
> > diff --git a/drivers/gpu/drm/i915/gvt/Makefile 
> > b/drivers/gpu/drm/i915/gvt/Makefile
> > deleted file mode 100644
> > index 4d70f4689479..
> > --- a/drivers/gpu/drm/i915/gvt/Makefile
> > +++ /dev/null
> > @@ -1,8 +0,0 @@
> > -# SPDX-License-Identifier: GPL-2.0
> > -GVT_DIR := gvt
> > -GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o 
> > firmware.o \
> > -   interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
> > -   execlist.o scheduler.o sched_policy.o mmio_context.o cmd_parser.o 
> > debugfs.o \
> > -   fb_decoder.o dmabuf.o page_track.o
> > -
> > -i915-y += $(addprefix $(GVT_DIR)/, 
> > $(GVT_SOURCE))
> 
> -- 
> Jani Nikula, Intel Open Source Graphics Center

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Re: [Intel-gfx] [PATCH 2/2] drm/i915: remove gvt/Makefile

2020-04-09 Thread Jani Nikula
On Fri, 10 Apr 2020, Masahiro Yamada  wrote:
> Including subdirectory Makefile from the driver main Makefile does not
> buy us much because this is not real isolation.

The isolation it does buy us is that gvt/ subdirectory is developed and
maintained on a separate mailing list and separate git repo. I think at
some point there were plans to make it an actual module too.

So while you could quip about Conway's law here, I think it might be
better to keep this as it is.

Zhenyu, Zhi, what do you think?


BR,
Jani.


>
> Having a single Makefile at the top of the module is clearer, and
> it is what this driver almost does.
>
> Move all gvt objects to the i915 main Makefile.
>
> Signed-off-by: Masahiro Yamada 
> ---
>
>  drivers/gpu/drm/i915/Makefile | 28 
>  drivers/gpu/drm/i915/gvt/Makefile |  8 
>  2 files changed, 24 insertions(+), 12 deletions(-)
>  delete mode 100644 drivers/gpu/drm/i915/gvt/Makefile
>
> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> index 6cd1f6253814..74e965882a98 100644
> --- a/drivers/gpu/drm/i915/Makefile
> +++ b/drivers/gpu/drm/i915/Makefile
> @@ -275,10 +275,30 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
>  # virtual gpu code
>  i915-y += i915_vgpu.o
>  
> -ifeq ($(CONFIG_DRM_I915_GVT),y)
> -i915-y += intel_gvt.o
> -include $(src)/gvt/Makefile
> -endif
> +i915-$(CONFIG_DRM_I915_GVT) += \
> + intel_gvt.o \
> + gvt/gvt.o \
> + gvt/aperture_gm.o \
> + gvt/handlers.o \
> + gvt/vgpu.o \
> + gvt/trace_points.o \
> + gvt/firmware.o \
> + gvt/interrupt.o \
> + gvt/gtt.o \
> + gvt/cfg_space.o \
> + gvt/opregion.o \
> + gvt/mmio.o \
> + gvt/display.o \
> + gvt/edid.o \
> + gvt/execlist.o \
> + gvt/scheduler.o \
> + gvt/sched_policy.o \
> + gvt/mmio_context.o \
> + gvt/cmd_parser.o \
> + gvt/debugfs.o \
> + gvt/fb_decoder.o \
> + gvt/dmabuf.o \
> + gvt/page_track.o
>  
>  obj-$(CONFIG_DRM_I915) += i915.o
>  obj-$(CONFIG_DRM_I915_GVT_KVMGT) += gvt/kvmgt.o
> diff --git a/drivers/gpu/drm/i915/gvt/Makefile 
> b/drivers/gpu/drm/i915/gvt/Makefile
> deleted file mode 100644
> index 4d70f4689479..
> --- a/drivers/gpu/drm/i915/gvt/Makefile
> +++ /dev/null
> @@ -1,8 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0
> -GVT_DIR := gvt
> -GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o 
> firmware.o \
> - interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
> - execlist.o scheduler.o sched_policy.o mmio_context.o cmd_parser.o 
> debugfs.o \
> - fb_decoder.o dmabuf.o page_track.o
> -
> -i915-y   += $(addprefix $(GVT_DIR)/, 
> $(GVT_SOURCE))

-- 
Jani Nikula, Intel Open Source Graphics Center
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[Intel-gfx] [PATCH 2/2] drm/i915: remove gvt/Makefile

2020-04-09 Thread Masahiro Yamada
Including subdirectory Makefile from the driver main Makefile does not
buy us much because this is not real isolation.

Having a single Makefile at the top of the module is clearer, and
it is what this driver almost does.

Move all gvt objects to the i915 main Makefile.

Signed-off-by: Masahiro Yamada 
---

 drivers/gpu/drm/i915/Makefile | 28 
 drivers/gpu/drm/i915/gvt/Makefile |  8 
 2 files changed, 24 insertions(+), 12 deletions(-)
 delete mode 100644 drivers/gpu/drm/i915/gvt/Makefile

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 6cd1f6253814..74e965882a98 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -275,10 +275,30 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
 # virtual gpu code
 i915-y += i915_vgpu.o
 
-ifeq ($(CONFIG_DRM_I915_GVT),y)
-i915-y += intel_gvt.o
-include $(src)/gvt/Makefile
-endif
+i915-$(CONFIG_DRM_I915_GVT) += \
+   intel_gvt.o \
+   gvt/gvt.o \
+   gvt/aperture_gm.o \
+   gvt/handlers.o \
+   gvt/vgpu.o \
+   gvt/trace_points.o \
+   gvt/firmware.o \
+   gvt/interrupt.o \
+   gvt/gtt.o \
+   gvt/cfg_space.o \
+   gvt/opregion.o \
+   gvt/mmio.o \
+   gvt/display.o \
+   gvt/edid.o \
+   gvt/execlist.o \
+   gvt/scheduler.o \
+   gvt/sched_policy.o \
+   gvt/mmio_context.o \
+   gvt/cmd_parser.o \
+   gvt/debugfs.o \
+   gvt/fb_decoder.o \
+   gvt/dmabuf.o \
+   gvt/page_track.o
 
 obj-$(CONFIG_DRM_I915) += i915.o
 obj-$(CONFIG_DRM_I915_GVT_KVMGT) += gvt/kvmgt.o
diff --git a/drivers/gpu/drm/i915/gvt/Makefile 
b/drivers/gpu/drm/i915/gvt/Makefile
deleted file mode 100644
index 4d70f4689479..
--- a/drivers/gpu/drm/i915/gvt/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-GVT_DIR := gvt
-GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \
-   interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \
-   execlist.o scheduler.o sched_policy.o mmio_context.o cmd_parser.o 
debugfs.o \
-   fb_decoder.o dmabuf.o page_track.o
-
-i915-y += $(addprefix $(GVT_DIR)/, 
$(GVT_SOURCE))
-- 
2.17.1

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