On Mon, Jul 01, 2019 at 09:28:59AM +0200, Thomas Zimmermann wrote:
> Hi
>
> Am 01.07.19 um 08:32 schrieb Gerd Hoffmann:
> > On Fri, Jun 28, 2019 at 02:26:56PM +0200, Thomas Zimmermann wrote:
> >> PRIME functionality is now provided via the callback functions in
> >> struct drm_gem_object_funcs. The driver-structure functions are obsolete.
> >> As a side effect of this patch, VRAM-based drivers get basic PRIME
> >> support automatically without having to set any flags or additional
> >> fields.
> >
> >> +static void drm_gem_vram_object_free(struct drm_gem_object *gem)
> >> +static int drm_gem_vram_object_funcs_pin(struct drm_gem_object *gem)
> >> +static void drm_gem_vram_object_funcs_unpin(struct drm_gem_object *gem)
> >> +static void *drm_gem_vram_object_funcs_vmap(struct drm_gem_object *gem)
> >> +static void drm_gem_vram_object_funcs_vunmap(struct drm_gem_object *gem,
> >> + void *vaddr)
> >
> >> +static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = {
> >> + .free = drm_gem_vram_object_free,
> >> + .pin = drm_gem_vram_object_funcs_pin,
> >> + .unpin = drm_gem_vram_object_funcs_unpin,
> >> + .vmap = drm_gem_vram_object_funcs_vmap,
> >> + .vunmap = drm_gem_vram_object_funcs_vunmap
> >> +};
> >
> > Why new functions? Can't you just hook up the existing prime functions?
>
> The final patch will remove the existing functions, so drivers won't use
> them accidentally.
But the new and the old ones are identical, right? So why add/remove?
Why not just rename them?
I'd also suggest to name them consistently (free has no _funcs, all
others have). I'd drop _funcs from all function names.
cheers,
Gerd
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