[PATCH v2 0/4] drm/vram: Provide helpers for prepare_fb() and cleanup_fb()

[Daniel Vetter]

On Thu, Oct 24, 2019 at 10:14:00AM +0200, Thomas Zimmermann wrote:
> The implementation of the plane's call-back functions prepare_fb() and
> cleanup_fb() for GEM VRAM helpers are sharable among drivers.
> 
> Patch #3 also fixes two bugs that have been present in hibmc since it was
> first added. The primary plane's atomic_update() is not responsible for
> pinning BOs. And it never unpinned unused BOs. VRAM is being exausted
> over time.
> 
> The new helpers have been tested to work.
> 
> v2:
> 	* provide helpers for struct drm_simple_display_pipe_funcs, and...
> 	* ...use them in bochs

Oh I thought we agreed on changing the simple_pipe type for
prepare/cleanup_fb ... But this works too ofc. On the series:

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> 
> Thomas Zimmermann (4):
>   drm/vram-helpers: Add helpers for prepare_fb() and cleanup_fb()
>   drm/bochs: Replace prepare_fb()/cleanup_fb() with GEM VRAM helpers
>   drm/hisilicon/hibmc: Use GEM VRAM's prepare_fb() and cleanup_fb()
>     helpers
>   drm/vboxvideo: Replace prepare_fb()/cleanup_fb() with GEM VRAM helpers
> 
>  drivers/gpu/drm/bochs/bochs_kms.c             |  26 +---
>  drivers/gpu/drm/drm_gem_vram_helper.c         | 126 ++++++++++++++++++
>  .../gpu/drm/hisilicon/hibmc/hibmc_drm_de.c    |  14 +-
>  drivers/gpu/drm/vboxvideo/vbox_mode.c         |  61 +--------
>  include/drm/drm_gem_vram_helper.h             |  25 ++++
>  5 files changed, 161 insertions(+), 91 deletions(-)
> 
> --
> 2.23.0
> 

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