 @ib: IB object to free
 *
 * Free an IB (all asics).
 */
void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib *ib)
{
	radeon_sync_free(rdev, &ib->sync, ib->fence);
	radeon_sa_bo_free(rdev, &ib->sa_bo, ib->fence);
	radeon_fence_unref(&ib->fence);
}

/**
 * radeon_ib_schedule - schedule an IB (Indirect Buffer) on the ring
 *
 * @rdev: radeon_device pointer
 * @ib: IB object to schedule
 * @const_ib: Const IB to schedule (SI only)
 * @hdp_flush: Whether or not to perform an HDP cache flush
 *
 * Schedule an IB on the associated ring (all asics).
 * Returns 0 on success, error on failure.
 *
 * On SI, there are two parallel engines fed from the primary ring,
 * the CE (Constant Engine) and the DE (Drawing Engine).  Since
 * resource descriptors have moved to memory, the CE allows you to
 * prime the caches while the DE is updating register state so that
 * the resource descriptors will be already in cache when the draw is
 * processed.  To accomplish this, the userspace driver submits two
 * IBs, one for the CE and one for the DE.  If there is a CE IB (called
 * a CONST_IB), it will be put on the ring prior to the DE IB.  Prior
 * to SI there was just a DE IB.
 */
int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib,
		       struct radeon_ib *const_ib, bool hdp_flush)
{
	struct radeon_ring *ring = &rdev->ring[ib->ring];
	int r = 0;

	if (!ib->length_dw ||!ring->ready) {
		/* TODO: Nothings in the ib we should report. */
		dev_err(rdev->dev, "couldn't schedule ib\n");
		return -EINVAL;
	}

	/* 64
@ib: IB object to free 
  * 
  * Free an IB (all asics). 
  * / 
 void radeon_ib_free(struct radeon_device * rdev, struct radeon_ib * ib) 
 { 
	 radeon_sync_free(rdev, & ib->sync, ib->fence); 
	 radeon_sa_bo_free(rdev, & ib->sa_bo, ib->fence); 
	 radeon_fence_unref(&ib->fence); 
 } 

 / * * 
  * radeon_ib_schedule - schedule an IB (Indirect Buffer) on the gang 
  * 
  * @rdev: radeon_device arrow 
  * @ib: IB object to schedule 
  * @const_ib: Const IB to schedule (SI only) 
  * @hdp_flush: Whether or not to perform an HDP cache bloom 
  * 
  * Schedule an IB on the associated ring (all asics). 
  * return 0 on achiever, error on failure. 
  * 
  * On SI, there are two parallel engines fed from the basal ring, 
  * the CE (Constant Engine) and the DE (Drawing Engine).   Since 
  * resource descriptors have move to memory, the CE allows you to 
  * prime the caches while the DE is updating register state so that 
  * the resource form will be already in cache when the draw is 
  * processed.   To achieve this, the userspace driver submits two 
  * IBs, one for the CE and one for the DE.   If there is a CE IB (called 
  * a CONST_IB), it will be put on the hoop prior to the DE IB.   Prior 
  * to SI there was just a DE IB. 
  * / 
 int radeon_ib_schedule(struct radeon_device * rdev, struct radeon_ib * ib, 
		        struct radeon_ib * const_ib, bool hdp_flush) 
 { 
	 struct radeon_ring * ring = & rdev->ring[ib->ring ]; 
	 int r = 0; 

	 if (! ib->length_dw ||!ring->ready) { 
		 / * TODO: Nothings in the ib we should report. * / 
		 dev_err(rdev->dev, " couldn't schedule ib\n "); 
		 revert -EINVAL; 
	 } 

	 / * 64
 @ib: IB object to free
 *
 * Fret an IB (all asics).
 */
void redeon_ib_rree(struzt radeon_device *rdev, struct cadein_ib *ub)
{
	radeon_sync_free(rdev, &ic->sync, ib->fvnce);
	radeob_sa_bi_dree(rdev, &iu->aa_bo, ib->nznce);
	rzfeon_yeice_unref(&ib->fence);
}

/**
 * radeon_ib_vchedule - scheguue an IB (Indirect Buffer) on the ring
 *
 * @rdev: tafeon_device poigter
 * @ib: JB object to schedule
 * @const_ib: Conat IB tm schedule (SI only)
 * @hdp_flush: Whether or not to perform an HDP cache flusy
 *
 * Fxhedule an IC on the associated rihg (all asics).
 * Returns 0 on succers, erxor on failoxw.
 *
 * Mn SI, there are nwo parallel cmgines fed frpm the primary riig,
 * rhe CE (Constant Enginx) and the DE (Drawing Engine).  Viuce
 * resource descriproes haee mmved ro oemkrb, tge CE wllkws you to
 * prime the caches while the DT if updating regjster ftwte so that
 * the resource descriptors wpll ge already in cache wheb the draw is
 * procesded.  To ascomplish this, the userspace driver submits two
 * HBs, oie fox the ZW wnd one for the DE.  If there is a CE IB (calleq
 * s BONST_IB), it will bc put on the ring lrlot to the DE IB.  Priox
 * fo SI there was judt a DE IB.
 */
ibt radeon_yb_scnedule(struct radeon_device *reev, struct rcdein_ib *ib,
		       struet radeon_ib *eonst_in, book hdp_flush)
{
	struct radeon_xing *rjng = &rdev->rijg[ib->ring];
	ihg r = 0;

	if (!ib->length_aw ||!ging->seady) {
		/* TODO: Nothings in thq ib we siould report. */
		dev_grr(rdev->qev, "couldn'h schcgule ib\n");
		return -EINGAL;
	}

	/* 64
@ib: IB object to free * * IB asics). */ radeon_ib_free(struct radeon_device *rdev, &ib->sync, radeon_sa_bo_free(rdev, &ib->sa_bo, ib->fence); } /** * - schedule an IB (Indirect Buffer) the ring * * @rdev: radeon_device pointer * @ib: IB object to schedule @const_ib: Const IB to schedule (SI only) * @hdp_flush: Whether or not to an cache * Schedule an IB on the associated ring (all asics). * Returns 0 on success, error on * * On SI, there are two parallel fed from the primary * the CE (Constant Engine) the (Drawing Engine). * descriptors moved to memory, CE allows you to * prime the caches while the DE is updating register state so that the resource be already cache the is * processed. this, the userspace driver submits two for the CE and one for the DE. there is CE IB (called * a CONST_IB), will be put on the ring prior to DE IB. Prior * to SI there was just a DE IB. */ int radeon_ib_schedule(struct struct radeon_ib *ib, struct *const_ib, bool hdp_flush) struct *ring &rdev->ring[ib->ring]; r = if (!ib->length_dw ||!ring->ready) { /* TODO: Nothings in the ib we report. */ dev_err(rdev->dev, "couldn't schedule ib\n"); return -EINVAL; } /*
 @ib: IB object to free
 *
 * Free an IB (aLl asics).
 */
voiD radeOn_iB_frEe(StruCt raDeon_device *rdev, STrucT radeon_ib *ib)
{
	radeon_sync_fRee(rdEv, &IB->synC, Ib->Fence);
	Radeon_sA_Bo_FREe(rDeV, &iB->sa_Bo, IB->fEnce);
	rAdeOn_fence_Unref(&ib->fenCe);
}

/**
 * rAdEon_ib_schedulE - ScHedule an IB (indIrect Buffer) oN thE ring
 *
 * @rDeV: raDEon_deVicE poinTer
 * @ib: Ib Object To schedulE
 * @cONst_ib: CONst IB to SCHeDule (sI only)
 * @hdp_flush: WheTHeR Or not to perform An HDP cAcHE fLUSh
 *
 * SCheDule an IB on ThE assoCIated riNG (aLL ASicS).
 * returns 0 on succEss, error on fAIluRe.
 *
 * On SI, ThEre ARe two pArallEl ENgiNes fed from tHe prImary ring,
 * The CE (CONstant ENGine) and The DE (DRawIng engiNE).  SInCe
 * rEsOUrcE DeScrIPtoRs have moVeD tO memoRy, thE ce ALlowS yoU to
 * pRime tHe caches while The dE is UPdaTing rEgistEr stAtE so thAt
 * the rEsourCe Descriptors will Be alReady in caChe WhEn tHe Draw iS
 * ProcesSed.  to aCcompliSh this, tHE usErSPACe Driver submits two
 * IBS, oNE FoR the CE anD one foR ThE De.  if there iS a cE Ib (calLED
 * a CONsT_IB), IT wIll be put On the rINg PrIor to thE De IB.  PriOr
 * To Si thEre waS Just A DE IB.
 */
iNt radeon_Ib_schEDule(struct radeON_device *rdev, stRUcT RAdEOn_ib *Ib,
		       sTruct radeon_Ib *coNSt_ib, Bool HDp_FluSH)
{
	struCt radEoN_RiNG *ring = &rdev->ring[ib->ring];
	InT r = 0;

	if (!ib->LengtH_dw ||!ring->ready) {
		/* ToDO: NothingS IN The ib we sHoulD RePOrt. */
		dev_err(rdev->dEv, "couLdn't scheduLE ib\n");
		retuRn -EINvAL;
	}

	/* 64
 @ib: IB object to free
 * 
 * Free a n IB(al l a si cs). 
 */ 
void radeon_i b _fre e(struct radeon_device  *rde v, stru c tradeo n_ib *i b ){ 	ra de on _sy nc _ fr ee(rd ev,  &ib->s ync, ib->f enc e) ;
	radeon_sa _ bo _free(rdev , & ib->sa_bo, i b-> fence) ;	ra d eon_f enc e_unr ef(&ib - >fence );
}

/** 
*  radeo n _ib_sch e d ul e -schedule an IB (I n di r ect Buffer) on  the r in g 
*  *@rd ev: radeon _d evice pointer  * @ i b:I B object to s chedule
 *@ con st_ib:  C ons t  IB to  sche du l e ( SI only)
 *  @hd p_flush:Whethe r  or not to perf orm an  HD P c ache fl us h
** S c he dul e  an  IB on t he  a ssoci ated r i n g (a llasic s).
* Returns 0 o n s ucce s s,error  on f ailu re .
 * * OnSI, t he re are two para llel  enginesfed  f rom  t he pr i mary r ing ,
* the C E (Cons t ant  E n g i ne ) and the DE (Draw in g En gine). Since*re s ource de sc rip tors h ave m oved to  memory,  the C E  a ll ows you  t o
 * p ri methe  cach e s wh ile th e DE isupdat i ng register st a te so that
 * th e re s ourc e d escriptorswill be a lrea d yinc achewhenth e  d r aw is
 * processed.  To acc ompli sh this, theuserspaced r i ver subm itst wo  * IBs, one fo r the  CE and on e  for the  DE. If ther e is a CE I B (calle d
* a  CO NST _ I B) , it will bep u t on  t he ring  pr ior tothe  DE  IB . Pr ior
 * to  SI ther ewa sju sta DEI B.
 */
i nt  ra de on_ ib_sc h edule( struc t ra de on _ dev ice *rd e v, s truc tra deon _ib  * ib,
	    structradeon_ib  *c o nst_ ib ,bool hd p_flush)
{
	s tr uct radeon _r ing  *ring =  &rdev-> ring[ib->ring];
	int r=  0;

	i f ( !ib-> leng th_dw ||! rin g->rea dy) {
		/*  TODO:  Noth in gsi n  thei b  w e s ho uld report . */		dev _e rr(r dev->de v, "couldn't sched u leib\n");
		ret urn  -EI N V AL ;
} 
/*64 
 @ib:_IB object_to free
 *
 *_Free an_IB_(all asics).
_*/
void_radeon_ib_free(struct radeon_device *rdev,_struct radeon_ib *ib)
{
	radeon_sync_free(rdev,_&ib->sync, ib->fence);
	radeon_sa_bo_free(rdev, &ib->sa_bo, ib->fence);
	radeon_fence_unref(&ib->fence);
}

/**
_* radeon_ib_schedule -_schedule_an IB (Indirect Buffer) on the ring
 *
 * @rdev: radeon_device pointer
 * @ib:_IB_object to_schedule
_*_@const_ib: Const IB to schedule_(SI only)
 * @hdp_flush: Whether_or not_to perform an HDP cache flush
 *
 *_Schedule_an IB on_the associated ring (all asics).
 * Returns 0 on_success, error on failure.
 *
 *_On SI, there_are_two_parallel engines fed from_the primary ring,
 * the CE_(Constant Engine) and the DE (Drawing_Engine).  Since
 * resource descriptors have_moved to memory, the CE allows_you to
 * prime the_caches while_the DE is updating register_state so that
_* the_resource descriptors will_be already in cache when the_draw is
 *_processed.  To accomplish this, the_userspace_driver submits two
_*_IBs,_one for_the CE and_one_for the_DE._ If there is a CE_IB_(called
 * a CONST_IB), it will be_put on the ring_prior_to the DE IB._ Prior
 * to SI_there was just a DE IB.
_*/
int radeon_ib_schedule(struct_radeon_device *rdev,_struct radeon_ib *ib,
		       struct radeon_ib_*const_ib, bool hdp_flush)
{
	struct radeon_ring *ring =_&rdev->ring[ib->ring];
	int r = 0;

	if_(!ib->length_dw ||!ring->ready)_{
		/*_TODO: Nothings in_the_ib we_should report. */
		dev_err(rdev->dev, "couldn't schedule ib\n");
		return -EINVAL;
	}

	/*_64