drm/rockchip: rga: replace primitive api with dma sync api

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / rockchip / rockchip_drm_rga.c

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_rga.c b/drivers/gpu/drm/rockchip/rockchip_drm_rga.c
index 4334c220c94f9c594412db088e7ffb6719a3f142..95da17bbb983bc688f9d6fc61712d40f636f29f5 100644 (file)
--- a/drivers/gpu/drm/rockchip/rockchip_drm_rga.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_rga.c
@@ -51,16 +51,6 @@ static void __user *rga_compat_ptr(u64 value)
 #endif
 }
 
-static void rga_dma_flush_range(void *ptr, int size)
-{
-#ifdef CONFIG_ARM
-       dmac_flush_range(ptr, ptr + size);
-       outer_flush_range(virt_to_phys(ptr), virt_to_phys(ptr + size));
-#elif defined CONFIG_ARM64
-       __dma_flush_range(ptr, ptr + size);
-#endif
-}
-
 static inline void rga_write(struct rockchip_rga *rga, u32 reg, u32 value)
 {
        writel(value, rga->regs + reg);
@@ -196,7 +186,9 @@ static int rga_alloc_dma_buf_for_cmdlist(struct rga_runqueue_node *runqueue)
                dest[reg >> 2] = mmu_ctrl;
        }
 
-       rga_dma_flush_range(cmdlist_pool_virt, cmdlist_cnt * RGA_CMDLIST_SIZE);
+       dma_sync_single_for_device(runqueue->drm_dev->dev,
+                                  virt_to_phys(cmdlist_pool_virt),
+                                  PAGE_SIZE, DMA_TO_DEVICE);
 
        runqueue->cmdlist_dma_attrs = cmdlist_dma_attrs;
        runqueue->cmdlist_pool_virt = cmdlist_pool_virt;
@@ -221,10 +213,12 @@ static int rga_check_reg_offset(struct device *dev,
                switch (reg) {
                case RGA_BUF_TYPE_GEMFD | RGA_DST_Y_RGB_BASE_ADDR:
                case RGA_BUF_TYPE_GEMFD | RGA_SRC_Y_RGB_BASE_ADDR:
+               case RGA_BUF_TYPE_GEMFD | RGA_SRC1_RGB_BASE_ADDR:
                        break;
 
                case RGA_BUF_TYPE_USERPTR | RGA_DST_Y_RGB_BASE_ADDR:
                case RGA_BUF_TYPE_USERPTR | RGA_SRC_Y_RGB_BASE_ADDR:
+               case RGA_BUF_TYPE_USERPTR | RGA_SRC1_RGB_BASE_ADDR:
                        goto err;
 
                default:
@@ -289,16 +283,15 @@ rga_gem_buf_to_pages(struct rockchip_rga *rga, void **mmu_pages, int fd)
 
                for (p = 0; p < len; p++) {
                        dma_addr_t phys = address + (p << PAGE_SHIFT);
-                       void *virt = phys_to_virt(phys);
 
-                       rga_dma_flush_range(virt, 4 * 1024);
                        pages[mapped_size + p] = phys;
                }
 
                mapped_size += len;
        }
 
-       rga_dma_flush_range(pages, 32 * 1024);
+       dma_sync_single_for_device(rga->drm_dev->dev, virt_to_phys(pages),
+                                  8 * PAGE_SIZE, DMA_TO_DEVICE);
 
        *mmu_pages = pages;
 
@@ -329,6 +322,16 @@ static int rga_map_cmdlist_gem(struct rockchip_rga *rga,
                int index = cmdlist->last - 2 * (i + 1);
 
                switch (cmdlist->data[index]) {
+               case RGA_SRC1_RGB_BASE_ADDR | RGA_BUF_TYPE_GEMFD:
+                       fd = cmdlist->data[index + 1];
+                       attach = rga_gem_buf_to_pages(rga, &mmu_pages, fd);
+                       if (IS_ERR(attach))
+                               return PTR_ERR(attach);
+
+                       cmdlist->src1_attach = attach;
+                       cmdlist->src1_mmu_pages = mmu_pages;
+                       break;
+
                case RGA_SRC_Y_RGB_BASE_ADDR | RGA_BUF_TYPE_GEMFD:
                        fd = cmdlist->data[index + 1];
                        attach = rga_gem_buf_to_pages(rga, &mmu_pages, fd);
@@ -368,6 +371,14 @@ static void rga_unmap_cmdlist_gem(struct rockchip_rga *rga,
        }
        node->cmdlist.src_attach = NULL;
 
+       attach = node->cmdlist.src1_attach;
+       if (attach) {
+               dma_buf = attach->dmabuf;
+               dma_buf_detach(dma_buf, attach);
+               dma_buf_put(dma_buf);
+       }
+       node->cmdlist.src1_attach = NULL;
+
        attach = node->cmdlist.dst_attach;
        if (attach) {
                dma_buf = attach->dmabuf;
@@ -639,6 +650,7 @@ int rockchip_rga_exec_ioctl(struct drm_device *drm_dev, void *data,
                return -ENOMEM;
        }
 
+       runqueue->drm_dev = drm_dev;
        runqueue->dev = rga->dev;
 
        init_completion(&runqueue->complete);
@@ -678,6 +690,10 @@ static int rockchip_rga_open(struct drm_device *drm_dev, struct device *dev,
 {
        struct rockchip_drm_file_private *file_priv = file->driver_priv;
        struct rockchip_drm_rga_private *rga_priv;
+       struct rockchip_rga *rga;
+
+       rga = dev_get_drvdata(dev);
+       rga->drm_dev = drm_dev;
 
        rga_priv = kzalloc(sizeof(*rga_priv), GFP_KERNEL);
        if (!rga_priv)
@@ -845,7 +861,7 @@ static int rga_probe(struct platform_device *pdev)
        rga->rga_workq = create_singlethread_workqueue("rga");
        if (!rga->rga_workq) {
                dev_err(rga->dev, "failed to create workqueue\n");
-               ret = PTR_ERR(rga->rga_workq);
+               ret = -ENOMEM;
                goto err_destroy_slab;
        }