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video: rockchip: rga3: The import cmd supports virtual/physical addresses.

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It will only cache the corresponding address.

Signed-off-by: Yu Qiaowei <cerf.yu@rock-chips.com>
Change-Id: I81e110ce382ffe69a42462dd3586931b62eb4190
This commit is contained in:
Yu Qiaowei
2021-12-21 14:26:44 +08:00
parent 4f273fe53c
commit a959b73e08
1 changed files with 30 additions and 8 deletions
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38
drivers/video/rockchip/rga3/rga_mm.c
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@@ -51,8 +51,6 @@ static int rga_mm_map_dma_buffer(struct rga_external_buffer *external_buffer,
return -ENOMEM;
}
internal_buffer->type = RGA_DMA_BUFFER;
for (i = 0; i < internal_buffer->dma_buffer_size; i++) {
/* If the physical address is greater than 4G, there is no need to map RGA2. */
if ((rga_drvdata->rga_scheduler[i]->core == RGA2_SCHEDULER_CORE0) &&
@@ -92,9 +90,11 @@ static int rga_mm_unmap_buffer(struct rga_internal_buffer *internal_buffer)
rga_mm_unmap_dma_buffer(internal_buffer);
break;
case RGA_VIRTUAL_ADDRESS:
// TODO
internal_buffer->vir_addr = 0;
break;
case RGA_PHYSICAL_ADDRESS:
// TODO
internal_buffer->phy_addr = 0;
break;
default:
pr_err("Illegal external buffer!\n");
return -EFAULT;
@@ -110,6 +110,8 @@ static int rga_mm_map_buffer(struct rga_external_buffer *external_buffer,
switch (external_buffer->type) {
case RGA_DMA_BUFFER:
internal_buffer->type = RGA_DMA_BUFFER;
ret = rga_mm_map_dma_buffer(external_buffer, internal_buffer);
if (ret < 0) {
pr_err("%s map dma_buf error!\n", __func__);
@@ -117,9 +119,15 @@ static int rga_mm_map_buffer(struct rga_external_buffer *external_buffer,
}
break;
case RGA_VIRTUAL_ADDRESS:
// TODO
internal_buffer->type = RGA_VIRTUAL_ADDRESS;
internal_buffer->vir_addr = external_buffer->memory;
break;
case RGA_PHYSICAL_ADDRESS:
// TODO
internal_buffer->type = RGA_PHYSICAL_ADDRESS;
internal_buffer->phy_addr = external_buffer->memory;
break;
default:
pr_err("Illegal external buffer!\n");
return -EFAULT;
@@ -179,9 +187,23 @@ rga_mm_internal_buffer_lookup_external(struct rga_mm *mm_session,
dma_buf_put(dma_buf);
break;
case RGA_VIRTUAL_ADDRESS:
// TODO
idr_for_each_entry(&mm_session->memory_idr, temp_buffer, id) {
if (temp_buffer->vir_addr == external_buffer->memory) {
output_buffer = temp_buffer;
break;
}
}
break;
case RGA_PHYSICAL_ADDRESS:
// TODO
idr_for_each_entry(&mm_session->memory_idr, temp_buffer, id) {
if (temp_buffer->phy_addr == external_buffer->memory) {
output_buffer = temp_buffer;
break;
}
}
break;
default:
pr_err("Illegal external buffer!\n");
return NULL;