Em Qua, 2016-10-19 às 15:13 -0700, Matt Roper escreveu:
> On Wed, Oct 12, 2016 at 03:28:16PM +0200, Maarten Lankhorst wrote:
> >
> > This is not required any more now that we get fresh state from
> > drm_atomic_crtc_state_for_each_plane_state. Zero all state
> > in advance.
> >
> > Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx
> > >
>
> Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
You could also get rid of the unsafe loop that computes alloc_size:
just do it in the main loop now that we iterate over everything. But
this can be done in a separate patch.
>
> >
> > ---
> > drivers/gpu/drm/i915/intel_drv.h | 4 ----
> > drivers/gpu/drm/i915/intel_pm.c | 15 +++++----------
> > 2 files changed, 5 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_drv.h
> > b/drivers/gpu/drm/i915/intel_drv.h
> > index 888054518f3c..a176e6cebab3 100644
> > --- a/drivers/gpu/drm/i915/intel_drv.h
> > +++ b/drivers/gpu/drm/i915/intel_drv.h
> > @@ -501,10 +501,6 @@ struct intel_crtc_wm_state {
> > /* gen9+ only needs 1-step wm programming
> > */
> > struct skl_pipe_wm optimal;
> > struct skl_ddb_entry ddb;
> > -
> > - /* minimum block allocation */
> > - uint16_t minimum_blocks[I915_MAX_PLANES];
> > - uint16_t
> > minimum_y_blocks[I915_MAX_PLANES];
> > } skl;
> > };
> >
> > diff --git a/drivers/gpu/drm/i915/intel_pm.c
> > b/drivers/gpu/drm/i915/intel_pm.c
> > index 97b6202c4097..83c1b0acef38 100644
> > --- a/drivers/gpu/drm/i915/intel_pm.c
> > +++ b/drivers/gpu/drm/i915/intel_pm.c
> > @@ -3356,8 +3356,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state
> > *cstate,
> > enum pipe pipe = intel_crtc->pipe;
> > struct skl_ddb_entry *alloc = &cstate->wm.skl.ddb;
> > uint16_t alloc_size, start, cursor_blocks;
> > - uint16_t *minimum = cstate->wm.skl.minimum_blocks;
> > - uint16_t *y_minimum = cstate->wm.skl.minimum_y_blocks;
> > + uint16_t minimum[I915_MAX_PLANES] = {};
> > + uint16_t y_minimum[I915_MAX_PLANES] = {};
> > unsigned int total_data_rate;
> > int num_active;
> > int id, i;
> > @@ -3398,16 +3398,11 @@ skl_allocate_pipe_ddb(struct
> > intel_crtc_state *cstate,
> > if (intel_plane->pipe != pipe)
> > continue;
> >
> > - if (!pstate->visible) {
> > - minimum[id] = 0;
> > - y_minimum[id] = 0;
> > + if (!pstate->visible)
> > continue;
> > - }
> > - if (plane->type == DRM_PLANE_TYPE_CURSOR) {
> > - minimum[id] = 0;
> > - y_minimum[id] = 0;
> > +
> > + if (plane->type == DRM_PLANE_TYPE_CURSOR)
> > continue;
> > - }
> >
> > minimum[id] = skl_ddb_min_alloc(pstate, 0);
> > y_minimum[id] = skl_ddb_min_alloc(pstate, 1);
> > --
> > 2.7.4
> >
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
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