From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c | 58 +++++++++++++++++++++++++++++++++-------------------------
1 files changed, 33 insertions(+), 25 deletions(-)
diff --git a/kernel/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c b/kernel/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
index a3c44f1..9dc20d8 100644
--- a/kernel/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
+++ b/kernel/drivers/gpu/drm/etnaviv/etnaviv_cmdbuf.c
@@ -3,26 +3,25 @@
* Copyright (C) 2017-2018 Etnaviv Project
*/
+#include <linux/dma-mapping.h>
+
#include <drm/drm_mm.h>
#include "etnaviv_cmdbuf.h"
+#include "etnaviv_gem.h"
#include "etnaviv_gpu.h"
#include "etnaviv_mmu.h"
#include "etnaviv_perfmon.h"
-#define SUBALLOC_SIZE SZ_256K
+#define SUBALLOC_SIZE SZ_512K
#define SUBALLOC_GRANULE SZ_4K
#define SUBALLOC_GRANULES (SUBALLOC_SIZE / SUBALLOC_GRANULE)
struct etnaviv_cmdbuf_suballoc {
/* suballocated dma buffer properties */
- struct etnaviv_gpu *gpu;
+ struct device *dev;
void *vaddr;
dma_addr_t paddr;
-
- /* GPU mapping */
- u32 iova;
- struct drm_mm_node vram_node; /* only used on MMUv2 */
/* allocation management */
struct mutex lock;
@@ -32,7 +31,7 @@
};
struct etnaviv_cmdbuf_suballoc *
-etnaviv_cmdbuf_suballoc_new(struct etnaviv_gpu * gpu)
+etnaviv_cmdbuf_suballoc_new(struct device *dev)
{
struct etnaviv_cmdbuf_suballoc *suballoc;
int ret;
@@ -41,36 +40,44 @@
if (!suballoc)
return ERR_PTR(-ENOMEM);
- suballoc->gpu = gpu;
+ suballoc->dev = dev;
mutex_init(&suballoc->lock);
init_waitqueue_head(&suballoc->free_event);
- suballoc->vaddr = dma_alloc_wc(gpu->dev, SUBALLOC_SIZE,
+ BUILD_BUG_ON(ETNAVIV_SOFTPIN_START_ADDRESS < SUBALLOC_SIZE);
+ suballoc->vaddr = dma_alloc_wc(dev, SUBALLOC_SIZE,
&suballoc->paddr, GFP_KERNEL);
- if (!suballoc->vaddr)
+ if (!suballoc->vaddr) {
+ ret = -ENOMEM;
goto free_suballoc;
-
- ret = etnaviv_iommu_get_suballoc_va(gpu, suballoc->paddr,
- &suballoc->vram_node, SUBALLOC_SIZE,
- &suballoc->iova);
- if (ret)
- goto free_dma;
+ }
return suballoc;
-free_dma:
- dma_free_wc(gpu->dev, SUBALLOC_SIZE, suballoc->vaddr, suballoc->paddr);
free_suballoc:
kfree(suballoc);
- return NULL;
+ return ERR_PTR(ret);
+}
+
+int etnaviv_cmdbuf_suballoc_map(struct etnaviv_cmdbuf_suballoc *suballoc,
+ struct etnaviv_iommu_context *context,
+ struct etnaviv_vram_mapping *mapping,
+ u32 memory_base)
+{
+ return etnaviv_iommu_get_suballoc_va(context, mapping, memory_base,
+ suballoc->paddr, SUBALLOC_SIZE);
+}
+
+void etnaviv_cmdbuf_suballoc_unmap(struct etnaviv_iommu_context *context,
+ struct etnaviv_vram_mapping *mapping)
+{
+ etnaviv_iommu_put_suballoc_va(context, mapping);
}
void etnaviv_cmdbuf_suballoc_destroy(struct etnaviv_cmdbuf_suballoc *suballoc)
{
- etnaviv_iommu_put_suballoc_va(suballoc->gpu, &suballoc->vram_node,
- SUBALLOC_SIZE, suballoc->iova);
- dma_free_wc(suballoc->gpu->dev, SUBALLOC_SIZE, suballoc->vaddr,
+ dma_free_wc(suballoc->dev, SUBALLOC_SIZE, suballoc->vaddr,
suballoc->paddr);
kfree(suballoc);
}
@@ -95,7 +102,7 @@
suballoc->free_space,
msecs_to_jiffies(10 * 1000));
if (!ret) {
- dev_err(suballoc->gpu->dev,
+ dev_err(suballoc->dev,
"Timeout waiting for cmdbuf space\n");
return -ETIMEDOUT;
}
@@ -123,9 +130,10 @@
wake_up_all(&suballoc->free_event);
}
-u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf)
+u32 etnaviv_cmdbuf_get_va(struct etnaviv_cmdbuf *buf,
+ struct etnaviv_vram_mapping *mapping)
{
- return buf->suballoc->iova + buf->suballoc_offset;
+ return mapping->iova + buf->suballoc_offset;
}
dma_addr_t etnaviv_cmdbuf_get_pa(struct etnaviv_cmdbuf *buf)
--
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