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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-04-05 15:39:34 +0200 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-04-08 14:33:13 +0200 |
| commit | 97515d0b3ed9243e613dcec36e03528b303314d0 (patch) | |
| tree | f3b8ad76732378219e42365d00c293af06fd5015 | |
| parent | 83787afe069ee2bc5ed4aaf6e29bdaabd06fb4db (diff) | |
| download | lwn-97515d0b3ed9243e613dcec36e03528b303314d0.tar.gz lwn-97515d0b3ed9243e613dcec36e03528b303314d0.zip | |
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: 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
| -rw-r--r-- | drivers/gpu/drm/xe/xe_ring_ops.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/xe/xe_ring_ops.c b/drivers/gpu/drm/xe/xe_ring_ops.c index 5b2b37b59813..d42b3f33bd7a 100644 --- a/drivers/gpu/drm/xe/xe_ring_ops.c +++ b/drivers/gpu/drm/xe/xe_ring_ops.c @@ -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); |