[Intel-gfx] [PATCH 3/6] drm/i915: Clean up intel_find_initial_plane_obj() a bit
Rodrigo Vivi
rodrigo.vivi at intel.com
Wed Jun 9 21:05:53 UTC 2021
On Wed, Jun 09, 2021 at 03:15:54PM +0300, Ville Syrjälä wrote:
> On Wed, Jun 09, 2021 at 07:36:01AM -0400, Rodrigo Vivi wrote:
> > On Wed, Jun 09, 2021 at 11:56:29AM +0300, Ville Syrjala wrote:
> > > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > >
> > > Sort out the mess with the local variables in
> > > intel_find_initial_plane_obj(). Get rid of all aliasing pointers
> > > and use standard naming/types.
> > >
> > > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > > ---
> > > drivers/gpu/drm/i915/display/intel_display.c | 113 ++++++++++---------
> > > 1 file changed, 62 insertions(+), 51 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> > > index 78815a1ac0ca..1615501685c9 100644
> > > --- a/drivers/gpu/drm/i915/display/intel_display.c
> > > +++ b/drivers/gpu/drm/i915/display/intel_display.c
> > > @@ -1914,20 +1914,50 @@ static void intel_dpt_unpin(struct i915_address_space *vm)
> > > i915_vma_put(dpt->vma);
> > > }
> > >
> > > +static bool
> > > +intel_reuse_initial_plane_obj(struct drm_i915_private *i915,
> > > + const struct intel_initial_plane_config *plane_config,
> > > + struct drm_framebuffer **fb,
> > > + struct i915_vma **vma)
> > > +{
> > > + struct intel_crtc *crtc;
> > > +
> > > + for_each_intel_crtc(&i915->drm, crtc) {
> > > + struct intel_crtc_state *crtc_state =
> > > + to_intel_crtc_state(crtc->base.state);
> > > + struct intel_plane *plane =
> > > + to_intel_plane(crtc->base.primary);
> > > + struct intel_plane_state *plane_state =
> > > + to_intel_plane_state(plane->base.state);
> > > +
> > > + if (!crtc_state->uapi.active)
> > > + continue;
> > > +
> > > + if (!plane_state->ggtt_vma)
> > > + continue;
> > > +
> > > + if (intel_plane_ggtt_offset(plane_state) == plane_config->base) {
> > > + *fb = plane_state->hw.fb;
> > > + *vma = plane_state->ggtt_vma;
> > > + return true;
> > > + }
> > > + }
> > > +
> > > + return false;
> > > +}
> > > +
> > > static void
> > > -intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > > +intel_find_initial_plane_obj(struct intel_crtc *crtc,
> > > struct intel_initial_plane_config *plane_config)
> > > {
> > > - struct drm_device *dev = intel_crtc->base.dev;
> > > + struct drm_device *dev = crtc->base.dev;
> > > struct drm_i915_private *dev_priv = to_i915(dev);
> > > - struct drm_crtc *c;
> > > - struct drm_plane *primary = intel_crtc->base.primary;
> > > - struct drm_plane_state *plane_state = primary->state;
> > > - struct intel_plane *intel_plane = to_intel_plane(primary);
> > > - struct intel_plane_state *intel_state =
> > > - to_intel_plane_state(plane_state);
> > > struct intel_crtc_state *crtc_state =
> > > - to_intel_crtc_state(intel_crtc->base.state);
> > > + to_intel_crtc_state(crtc->base.state);
> > > + struct intel_plane *plane =
> > > + to_intel_plane(crtc->base.primary);
> > > + struct intel_plane_state *plane_state =
> > > + to_intel_plane_state(plane->base.state);
> > > struct drm_framebuffer *fb;
> > > struct i915_vma *vma;
> > >
> > > @@ -1939,7 +1969,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > > if (!plane_config->fb)
> > > return;
> > >
> > > - if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) {
> > > + if (intel_alloc_initial_plane_obj(crtc, plane_config)) {
> > > fb = &plane_config->fb->base;
> > > vma = plane_config->vma;
> > > goto valid_fb;
> > > @@ -1949,25 +1979,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > > * Failed to alloc the obj, check to see if we should share
> > > * an fb with another CRTC instead
> > > */
> > > - for_each_crtc(dev, c) {
> > > - struct intel_plane_state *state;
> > > -
> > > - if (c == &intel_crtc->base)
> > > - continue;
> > > -
> > > - if (!to_intel_crtc_state(c->state)->uapi.active)
> > > - continue;
> > > -
> > > - state = to_intel_plane_state(c->primary->state);
> > > - if (!state->ggtt_vma)
> > > - continue;
> > > -
> > > - if (intel_plane_ggtt_offset(state) == plane_config->base) {
> > > - fb = state->hw.fb;
> > > - vma = state->ggtt_vma;
> > > - goto valid_fb;
> > > - }
> > > - }
> > > + if (intel_reuse_initial_plane_obj(dev_priv, plane_config, &fb, &vma))
> > > + goto valid_fb;
> > >
> > > /*
> > > * We've failed to reconstruct the BIOS FB. Current display state
> > > @@ -1976,7 +1989,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > > * simplest solution is to just disable the primary plane now and
> > > * pretend the BIOS never had it enabled.
> > > */
> > > - intel_plane_disable_noatomic(intel_crtc, intel_plane);
> > > + intel_plane_disable_noatomic(crtc, plane);
> > > if (crtc_state->bigjoiner) {
> > > struct intel_crtc *slave =
> > > crtc_state->bigjoiner_linked_crtc;
> > > @@ -1986,40 +1999,38 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > > return;
> > >
> > > valid_fb:
> > > - plane_state->rotation = plane_config->rotation;
> > > - intel_fb_fill_view(to_intel_framebuffer(fb), plane_state->rotation,
> > > - &intel_state->view);
> > > + plane_state->uapi.rotation = plane_config->rotation;
> > > + intel_fb_fill_view(to_intel_framebuffer(fb),
> > > + plane_state->uapi.rotation, &plane_state->view);
> > >
> > > __i915_vma_pin(vma);
> > > - intel_state->ggtt_vma = i915_vma_get(vma);
> > > - if (intel_plane_uses_fence(intel_state) && i915_vma_pin_fence(vma) == 0)
> > > - if (vma->fence)
> > > - intel_state->flags |= PLANE_HAS_FENCE;
> > > + plane_state->ggtt_vma = i915_vma_get(vma);
> > > + if (intel_plane_uses_fence(plane_state) &&
> > > + i915_vma_pin_fence(vma) == 0 && vma->fence)
> > > + plane_state->flags |= PLANE_HAS_FENCE;
> > >
> > > - plane_state->src_x = 0;
> > > - plane_state->src_y = 0;
> > > - plane_state->src_w = fb->width << 16;
> > > - plane_state->src_h = fb->height << 16;
> > > + plane_state->uapi.src_x = 0;
> > > + plane_state->uapi.src_y = 0;
> > > + plane_state->uapi.src_w = fb->width << 16;
> > > + plane_state->uapi.src_h = fb->height << 16;
> > >
> > > - plane_state->crtc_x = 0;
> > > - plane_state->crtc_y = 0;
> > > - plane_state->crtc_w = fb->width;
> > > - plane_state->crtc_h = fb->height;
> > > + plane_state->uapi.crtc_x = 0;
> > > + plane_state->uapi.crtc_y = 0;
> > > + plane_state->uapi.crtc_w = fb->width;
> > > + plane_state->uapi.crtc_h = fb->height;
> > >
> > > if (plane_config->tiling)
> > > dev_priv->preserve_bios_swizzle = true;
> > >
> > > - plane_state->fb = fb;
> > > + plane_state->uapi.fb = fb;
> >
> > I believe we should have a separated patch for these plane_state uapi changes
>
> There is no change here. &to_intel_plane_state(s)->uapi == s
Duh! of course...
Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
>
> >
> > > drm_framebuffer_get(fb);
> > >
> > > - plane_state->crtc = &intel_crtc->base;
> > > - intel_plane_copy_uapi_to_hw_state(intel_state, intel_state,
> > > - intel_crtc);
> > > + plane_state->uapi.crtc = &crtc->base;
> > > + intel_plane_copy_uapi_to_hw_state(plane_state, plane_state, crtc);
> > >
> > > intel_frontbuffer_flush(to_intel_frontbuffer(fb), ORIGIN_DIRTYFB);
> > >
> > > - atomic_or(to_intel_plane(primary)->frontbuffer_bit,
> > > - &to_intel_frontbuffer(fb)->bits);
> > > + atomic_or(plane->frontbuffer_bit, &to_intel_frontbuffer(fb)->bits);
> > > }
> > >
> > > unsigned int
> > > --
> > > 2.31.1
> > >
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>
> --
> Ville Syrjälä
> Intel
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