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-rw-r--r--drivers/gpu/drm/xe/xe_lrc.c24
-rw-r--r--drivers/gpu/drm/xe/xe_svm.c2
2 files changed, 21 insertions, 5 deletions
diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 63d74e27f54c..bf7c3981897d 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -941,11 +941,18 @@ static void xe_lrc_finish(struct xe_lrc *lrc)
* store it in the PPHSWP.
*/
#define CONTEXT_ACTIVE 1ULL
-static void xe_lrc_setup_utilization(struct xe_lrc *lrc)
+static int xe_lrc_setup_utilization(struct xe_lrc *lrc)
{
- u32 *cmd;
+ u32 *cmd, *buf = NULL;
- cmd = lrc->bb_per_ctx_bo->vmap.vaddr;
+ if (lrc->bb_per_ctx_bo->vmap.is_iomem) {
+ buf = kmalloc(lrc->bb_per_ctx_bo->size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ cmd = buf;
+ } else {
+ cmd = lrc->bb_per_ctx_bo->vmap.vaddr;
+ }
*cmd++ = MI_STORE_REGISTER_MEM | MI_SRM_USE_GGTT | MI_SRM_ADD_CS_OFFSET;
*cmd++ = ENGINE_ID(0).addr;
@@ -966,9 +973,16 @@ static void xe_lrc_setup_utilization(struct xe_lrc *lrc)
*cmd++ = MI_BATCH_BUFFER_END;
+ if (buf) {
+ xe_map_memcpy_to(gt_to_xe(lrc->gt), &lrc->bb_per_ctx_bo->vmap, 0,
+ buf, (cmd - buf) * sizeof(*cmd));
+ kfree(buf);
+ }
+
xe_lrc_write_ctx_reg(lrc, CTX_BB_PER_CTX_PTR,
xe_bo_ggtt_addr(lrc->bb_per_ctx_bo) | 1);
+ return 0;
}
#define PVC_CTX_ASID (0x2e + 1)
@@ -1125,7 +1139,9 @@ static int xe_lrc_init(struct xe_lrc *lrc, struct xe_hw_engine *hwe,
map = __xe_lrc_start_seqno_map(lrc);
xe_map_write32(lrc_to_xe(lrc), &map, lrc->fence_ctx.next_seqno - 1);
- xe_lrc_setup_utilization(lrc);
+ err = xe_lrc_setup_utilization(lrc);
+ if (err)
+ goto err_lrc_finish;
return 0;
diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c
index 6345896585de..f0b167b3fb6a 100644
--- a/drivers/gpu/drm/xe/xe_svm.c
+++ b/drivers/gpu/drm/xe/xe_svm.c
@@ -764,7 +764,7 @@ static bool xe_svm_range_needs_migrate_to_vram(struct xe_svm_range *range,
return false;
}
- if (range_size <= SZ_64K && !supports_4K_migration(vm->xe)) {
+ if (range_size < SZ_64K && !supports_4K_migration(vm->xe)) {
drm_dbg(&vm->xe->drm, "Platform doesn't support SZ_4K range migration\n");
return false;
}