diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_drv.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_drv.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c index 6500f3999c5f..3e91747ed339 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c @@ -488,7 +488,16 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = { ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW), }; -DEFINE_DRM_GEM_FOPS(fops); +static void etnaviv_show_fdinfo(struct drm_printer *p, struct drm_file *file) +{ + drm_show_memory_stats(p, file); +} + +static const struct file_operations fops = { + .owner = THIS_MODULE, + DRM_GEM_FOPS, + .show_fdinfo = drm_show_fdinfo, +}; static const struct drm_driver etnaviv_drm_driver = { .driver_features = DRIVER_GEM | DRIVER_RENDER, @@ -498,12 +507,12 @@ static const struct drm_driver etnaviv_drm_driver = { #ifdef CONFIG_DEBUG_FS .debugfs_init = etnaviv_debugfs_init, #endif + .show_fdinfo = etnaviv_show_fdinfo, .ioctls = etnaviv_ioctls, .num_ioctls = DRM_ETNAVIV_NUM_IOCTLS, .fops = &fops, .name = "etnaviv", .desc = "etnaviv DRM", - .date = "20151214", .major = 1, .minor = 4, }; @@ -538,6 +547,16 @@ static int etnaviv_bind(struct device *dev) priv->num_gpus = 0; priv->shm_gfp_mask = GFP_HIGHUSER | __GFP_RETRY_MAYFAIL | __GFP_NOWARN; + /* + * If the GPU is part of a system with DMA addressing limitations, + * request pages for our SHM backend buffers from the DMA32 zone to + * hopefully avoid performance killing SWIOTLB bounce buffering. + */ + if (dma_addressing_limited(dev)) { + priv->shm_gfp_mask |= GFP_DMA32; + priv->shm_gfp_mask &= ~__GFP_HIGHMEM; + } + priv->cmdbuf_suballoc = etnaviv_cmdbuf_suballoc_new(drm->dev); if (IS_ERR(priv->cmdbuf_suballoc)) { dev_err(drm->dev, "Failed to create cmdbuf suballocator\n"); @@ -564,6 +583,7 @@ out_unbind: out_destroy_suballoc: etnaviv_cmdbuf_suballoc_destroy(priv->cmdbuf_suballoc); out_free_priv: + mutex_destroy(&priv->gem_lock); kfree(priv); out_put: drm_dev_put(drm); @@ -608,7 +628,7 @@ static int etnaviv_pdev_probe(struct platform_device *pdev) if (!of_device_is_available(core_node)) continue; - drm_of_component_match_add(&pdev->dev, &match, + drm_of_component_match_add(dev, &match, component_compare_of, core_node); } } else { @@ -631,9 +651,9 @@ static int etnaviv_pdev_probe(struct platform_device *pdev) * bit to make sure we are allocating the command buffers and * TLBs in the lower 4 GiB address space. */ - if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(40)) || - dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) { - dev_dbg(&pdev->dev, "No suitable DMA available\n"); + if (dma_set_mask(dev, DMA_BIT_MASK(40)) || + dma_set_coherent_mask(dev, DMA_BIT_MASK(32))) { + dev_dbg(dev, "No suitable DMA available\n"); return -ENODEV; } @@ -644,7 +664,7 @@ static int etnaviv_pdev_probe(struct platform_device *pdev) */ first_node = etnaviv_of_first_available_node(); if (first_node) { - of_dma_configure(&pdev->dev, first_node, true); + of_dma_configure(dev, first_node, true); of_node_put(first_node); } @@ -658,7 +678,7 @@ static void etnaviv_pdev_remove(struct platform_device *pdev) static struct platform_driver etnaviv_platform_driver = { .probe = etnaviv_pdev_probe, - .remove_new = etnaviv_pdev_remove, + .remove = etnaviv_pdev_remove, .driver = { .name = "etnaviv", }, |