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-rw-r--r--drivers/accel/ivpu/ivpu_drv.h1
-rw-r--r--drivers/accel/ivpu/ivpu_mmu_context.c9
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h
index ebc4b84f27b2..9b6e336626e3 100644
--- a/drivers/accel/ivpu/ivpu_drv.h
+++ b/drivers/accel/ivpu/ivpu_drv.h
@@ -56,6 +56,7 @@
#define IVPU_DBG_JSM BIT(10)
#define IVPU_DBG_KREF BIT(11)
#define IVPU_DBG_RPM BIT(12)
+#define IVPU_DBG_MMU_MAP BIT(13)
#define ivpu_err(vdev, fmt, ...) \
drm_err(&(vdev)->drm, "%s(): " fmt, __func__, ##__VA_ARGS__)
diff --git a/drivers/accel/ivpu/ivpu_mmu_context.c b/drivers/accel/ivpu/ivpu_mmu_context.c
index 12a8c09d4547..fe6161299236 100644
--- a/drivers/accel/ivpu/ivpu_mmu_context.c
+++ b/drivers/accel/ivpu/ivpu_mmu_context.c
@@ -355,6 +355,9 @@ ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
dma_addr_t dma_addr = sg_dma_address(sg) - sg->offset;
size_t size = sg_dma_len(sg) + sg->offset;
+ ivpu_dbg(vdev, MMU_MAP, "Map ctx: %u dma_addr: 0x%llx vpu_addr: 0x%llx size: %lu\n",
+ ctx->id, dma_addr, vpu_addr, size);
+
ret = ivpu_mmu_context_map_pages(vdev, ctx, vpu_addr, dma_addr, size, prot);
if (ret) {
ivpu_err(vdev, "Failed to map context pages\n");
@@ -366,6 +369,7 @@ ivpu_mmu_context_map_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ctx,
/* Ensure page table modifications are flushed from wc buffers to memory */
wmb();
+
mutex_unlock(&ctx->lock);
ret = ivpu_mmu_invalidate_tlb(vdev, ctx->id);
@@ -388,14 +392,19 @@ ivpu_mmu_context_unmap_sgt(struct ivpu_device *vdev, struct ivpu_mmu_context *ct
mutex_lock(&ctx->lock);
for_each_sgtable_dma_sg(sgt, sg, i) {
+ dma_addr_t dma_addr = sg_dma_address(sg) - sg->offset;
size_t size = sg_dma_len(sg) + sg->offset;
+ ivpu_dbg(vdev, MMU_MAP, "Unmap ctx: %u dma_addr: 0x%llx vpu_addr: 0x%llx size: %lu\n",
+ ctx->id, dma_addr, vpu_addr, size);
+
ivpu_mmu_context_unmap_pages(ctx, vpu_addr, size);
vpu_addr += size;
}
/* Ensure page table modifications are flushed from wc buffers to memory */
wmb();
+
mutex_unlock(&ctx->lock);
ret = ivpu_mmu_invalidate_tlb(vdev, ctx->id);