Re: [Intel-gfx] [PATCH 10/10] drm/i915: Remove i915_globals

[Daniel Vetter <daniel@ffwll.ch>]

On Mon, Jul 26, 2021 at 10:51:26AM -0500, Jason Ekstrand wrote:
> On Fri, Jul 23, 2021 at 2:29 PM Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> >
> > No longer used.
> >
> > Cc: Jason Ekstrand <jason@jlekstrand.net>
> > Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> 
> Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
> 
> But, also, tvrtko is right that dumping all that stuff in i915_pci.c
> isn't great.  Mind typing a quick follow-on that moves i915_init/exit
> to i915_drv.c?

I think if we want it a new i915_module.c for the module stuff makes more
sense. And leaving the pci driver in i915_pci.c. At least imo i915_drv is
about the drm_driver instance ...

I'll see what it looks like for v2.
-Daniel

> 
> --Jason
> 
> > ---
> >  drivers/gpu/drm/i915/Makefile         |  1 -
> >  drivers/gpu/drm/i915/gt/intel_gt_pm.c |  1 -
> >  drivers/gpu/drm/i915/i915_globals.c   | 53 ---------------------------
> >  drivers/gpu/drm/i915/i915_globals.h   | 25 -------------
> >  drivers/gpu/drm/i915/i915_pci.c       |  2 -
> >  5 files changed, 82 deletions(-)
> >  delete mode 100644 drivers/gpu/drm/i915/i915_globals.c
> >  delete mode 100644 drivers/gpu/drm/i915/i915_globals.h
> >
> > diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> > index 10b3bb6207ba..9022dc638ed6 100644
> > --- a/drivers/gpu/drm/i915/Makefile
> > +++ b/drivers/gpu/drm/i915/Makefile
> > @@ -166,7 +166,6 @@ i915-y += \
> >           i915_gem_gtt.o \
> >           i915_gem_ww.o \
> >           i915_gem.o \
> > -         i915_globals.o \
> >           i915_query.o \
> >           i915_request.o \
> >           i915_scheduler.o \
> > diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
> > index d86825437516..943c1d416ec0 100644
> > --- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
> > +++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
> > @@ -6,7 +6,6 @@
> >  #include <linux/suspend.h>
> >
> >  #include "i915_drv.h"
> > -#include "i915_globals.h"
> >  #include "i915_params.h"
> >  #include "intel_context.h"
> >  #include "intel_engine_pm.h"
> > diff --git a/drivers/gpu/drm/i915/i915_globals.c b/drivers/gpu/drm/i915/i915_globals.c
> > deleted file mode 100644
> > index 04979789e7be..000000000000
> > --- a/drivers/gpu/drm/i915/i915_globals.c
> > +++ /dev/null
> > @@ -1,53 +0,0 @@
> > -/*
> > - * SPDX-License-Identifier: MIT
> > - *
> > - * Copyright © 2019 Intel Corporation
> > - */
> > -
> > -#include <linux/slab.h>
> > -#include <linux/workqueue.h>
> > -
> > -#include "i915_globals.h"
> > -#include "i915_drv.h"
> > -
> > -static LIST_HEAD(globals);
> > -
> > -void __init i915_global_register(struct i915_global *global)
> > -{
> > -       GEM_BUG_ON(!global->exit);
> > -
> > -       list_add_tail(&global->link, &globals);
> > -}
> > -
> > -static void __i915_globals_cleanup(void)
> > -{
> > -       struct i915_global *global, *next;
> > -
> > -       list_for_each_entry_safe_reverse(global, next, &globals, link)
> > -               global->exit();
> > -}
> > -
> > -static __initconst int (* const initfn[])(void) = {
> > -};
> > -
> > -int __init i915_globals_init(void)
> > -{
> > -       int i;
> > -
> > -       for (i = 0; i < ARRAY_SIZE(initfn); i++) {
> > -               int err;
> > -
> > -               err = initfn[i]();
> > -               if (err) {
> > -                       __i915_globals_cleanup();
> > -                       return err;
> > -               }
> > -       }
> > -
> > -       return 0;
> > -}
> > -
> > -void i915_globals_exit(void)
> > -{
> > -       __i915_globals_cleanup();
> > -}
> > diff --git a/drivers/gpu/drm/i915/i915_globals.h b/drivers/gpu/drm/i915/i915_globals.h
> > deleted file mode 100644
> > index 57d2998bba45..000000000000
> > --- a/drivers/gpu/drm/i915/i915_globals.h
> > +++ /dev/null
> > @@ -1,25 +0,0 @@
> > -/*
> > - * SPDX-License-Identifier: MIT
> > - *
> > - * Copyright © 2019 Intel Corporation
> > - */
> > -
> > -#ifndef _I915_GLOBALS_H_
> > -#define _I915_GLOBALS_H_
> > -
> > -#include <linux/types.h>
> > -
> > -typedef void (*i915_global_func_t)(void);
> > -
> > -struct i915_global {
> > -       struct list_head link;
> > -
> > -       i915_global_func_t exit;
> > -};
> > -
> > -void i915_global_register(struct i915_global *global);
> > -
> > -int i915_globals_init(void);
> > -void i915_globals_exit(void);
> > -
> > -#endif /* _I915_GLOBALS_H_ */
> > diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> > index 0affcf33a211..ed72bcb58331 100644
> > --- a/drivers/gpu/drm/i915/i915_pci.c
> > +++ b/drivers/gpu/drm/i915/i915_pci.c
> > @@ -37,7 +37,6 @@
> >  #include "gem/i915_gem_object.h"
> >  #include "i915_request.h"
> >  #include "i915_perf.h"
> > -#include "i915_globals.h"
> >  #include "i915_selftest.h"
> >  #include "i915_scheduler.h"
> >  #include "i915_vma.h"
> > @@ -1308,7 +1307,6 @@ static const struct {
> >         { i915_request_module_init, i915_request_module_exit },
> >         { i915_scheduler_module_init, i915_scheduler_module_exit },
> >         { i915_vma_module_init, i915_vma_module_exit },
> > -       { i915_globals_init, i915_globals_exit },
> >         { i915_mock_selftests, NULL },
> >         { i915_pmu_init, i915_pmu_exit },
> >         { i915_register_pci_driver, i915_unregister_pci_driver },
> > --
> > 2.32.0
> >

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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