Commit 97515d0b authored by Michal Wajdeczko's avatar Michal Wajdeczko
Browse files

drm/xe/vf: Don't emit access to Global HWSP if VF 



VFs can't access Global HWSP, don't emit questionable MI_FLUSH_DW
while processing a migration job.

Bspec: 52398
Signed-off-by: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarPiotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405133936.891-2-michal.wajdeczko@intel.com
parent 83787afe

drivers/gpu/drm/xe/xe_ring_ops.c

+7 −4
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include "xe_lrc.h"

#include "xe_macros.h"

#include "xe_sched_job.h"

#include "xe_sriov.h"

#include "xe_vm_types.h"

#include "xe_vm.h"

#include "xe_wa.h"
@@ -367,10 +368,12 @@ static void emit_migration_job_gen12(struct xe_sched_job *job, 


	i = emit_bb_start(job->batch_addr[0], BIT(8), dw, i);



	if (!IS_SRIOV_VF(gt_to_xe(job->q->gt))) {

		/* XXX: Do we need this? Leaving for now. */

		dw[i++] = preparser_disable(true);

		i = emit_flush_invalidate(0, dw, i);

		dw[i++] = preparser_disable(false);

	}



	i = emit_bb_start(job->batch_addr[1], BIT(8), dw, i);