[Intel-gfx] [PATCH v4 0/4] Handle dma fences in dirtyfb ioctl

[Hogander, Jouni]

On Fri, 2023-09-01 at 14:09 +0300, Ville Syrjälä wrote:
> On Fri, Sep 01, 2023 at 12:34:56PM +0300, Jouni Högander wrote:
> > Currently i915 dirtyfb ioctl is not taking dma fences into
> > account. This works with features like FBC, PSR, DRRS because our
> > gem
> > code is triggering flush again when rendering completes. We are
> > targeting in getting rid of frontbuffer tracking code: Flusing hook
> > from gem code will be removed as well.
> > 
> > This patch set is adding dma fence handling into i915 dirtyfb
> > ioctl.
> > 
> > v4:
> >  - Move invalidate back being done before cb is added
> > v3:
> >  - Check frontbuffer bits before adding any fence fb
> >  - Invalidate only when adding fence cb succeeds
> >  - Check schedule work success rather than work being pending
> >  - Init flush work when frontbuffer struct is initialized
> > v2:
> >  - Clear fbc and psr busy bits on flip
> >  - Check if flush work is already pending
> >  - Use dma_resv_get_singleton
> > 
> > Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> 
> For the series:
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Thank you Ville and Luca for checking my patches. These are now merged.

BR,

Jouni Högander

> 
> > 
> > Jouni Högander (4):
> >   drm/i915/fbc: Clear frontbuffer busy bits on flip
> >   drm/i915/psr: Clear frontbuffer busy bits on flip
> >   drm/i915: Add new frontbuffer tracking interface to queue flush
> >   drm/i915: Handle dma fences in dirtyfb callback
> > 
> >  drivers/gpu/drm/i915/display/intel_fb.c       | 60
> > ++++++++++++++++++-
> >  drivers/gpu/drm/i915/display/intel_fbc.c      |  6 +-
> >  .../gpu/drm/i915/display/intel_frontbuffer.c  | 28 +++++++++
> >  .../gpu/drm/i915/display/intel_frontbuffer.h  |  4 ++
> >  drivers/gpu/drm/i915/display/intel_psr.c      |  6 ++
> >  5 files changed, 97 insertions(+), 7 deletions(-)
> > 
> > -- 
> > 2.34.1
>