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

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

Bspec: 52398
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405133936.891-2-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko
2024-04-05 15:39:34 +02:00
parent 83787afe06
commit 97515d0b3e
1 changed files with 7 additions and 4 deletions
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11
drivers/gpu/drm/xe/xe_ring_ops.c
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@@ -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);
/* 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);
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);