diff options
| author | Thomas Hellstrom <thellstrom@vmware.com> | 2019-11-13 19:02:42 +0100 |
|---|---|---|
| committer | Thomas Hellstrom <thellstrom@vmware.com> | 2019-11-14 08:41:23 +0100 |
| commit | e2e966636aee99971965c0965a4c11b8ce077da3 (patch) | |
| tree | b7cdabd76f2145436333076c9b32bfc886a6d5e7 | |
| parent | 3ca3a9eab7085b3c938b5d088c3020269cfecdc8 (diff) | |
drm/ttm, drm/vmwgfx: Use a configuration option for the TTM dma page pool
Drivers like vmwgfx may want to test whether the dma page pool is present
or not. Since it's activated by default by TTM if compiled-in, define a
hidden configuration option that the driver can test for.
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
| -rw-r--r-- | drivers/gpu/drm/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/ttm/Makefile | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 3 | ||||
| -rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 2 |
5 files changed, 11 insertions, 8 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 617d9c3a86c3..1168351267fd 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -179,6 +179,13 @@ config DRM_TTM GPU memory types. Will be enabled automatically if a device driver uses it. +config DRM_TTM_DMA_PAGE_POOL + bool + depends on DRM_TTM && (SWIOTLB || INTEL_IOMMU) + default y + help + Choose this if you need the TTM dma page pool + config DRM_VRAM_HELPER tristate depends on DRM diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile index 01fc670ce7a2..caea2a099496 100644 --- a/drivers/gpu/drm/ttm/Makefile +++ b/drivers/gpu/drm/ttm/Makefile @@ -4,8 +4,8 @@ ttm-y := ttm_memory.o ttm_tt.o ttm_bo.o \ ttm_bo_util.o ttm_bo_vm.o ttm_module.o \ - ttm_execbuf_util.o ttm_page_alloc.o ttm_bo_manager.o \ - ttm_page_alloc_dma.o + ttm_execbuf_util.o ttm_page_alloc.o ttm_bo_manager.o ttm-$(CONFIG_AGP) += ttm_agp_backend.o +ttm-$(CONFIG_DRM_TTM_DMA_PAGE_POOL) += ttm_page_alloc_dma.o obj-$(CONFIG_DRM_TTM) += ttm.o diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index ff54e7609e8f..bf876faea592 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -33,7 +33,6 @@ * when freed). */ -#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) #define pr_fmt(fmt) "[TTM] " fmt #include <linux/dma-mapping.h> @@ -1238,5 +1237,3 @@ int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data) return 0; } EXPORT_SYMBOL_GPL(ttm_dma_page_alloc_debugfs); - -#endif diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 81a95651643f..e962048f65d2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -576,8 +576,7 @@ static int vmw_dma_select_mode(struct vmw_private *dev_priv) else dev_priv->map_mode = vmw_dma_map_populate; - /* No TTM coherent page pool? FIXME: Ask TTM instead! */ - if (!(IS_ENABLED(CONFIG_SWIOTLB) || IS_ENABLED(CONFIG_INTEL_IOMMU)) && + if (!IS_ENABLED(CONFIG_DRM_TTM_DMA_PAGE_POOL) && (dev_priv->map_mode == vmw_dma_alloc_coherent)) return -EINVAL; diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 4d9b019d253c..a6b6ef5f9bf4 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -74,7 +74,7 @@ void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt); */ int ttm_page_alloc_debugfs(struct seq_file *m, void *data); -#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU) +#if defined(CONFIG_DRM_TTM_DMA_PAGE_POOL) /** * Initialize pool allocator. */ |