Stub out the minimal set of DRM pagemap IOVA vfuncs required for Xe. This provides the basic scaffolding needed for functionality while the full implementation is developed.
Signed-off-by: Matthew Brost <[email protected]> --- drivers/gpu/drm/xe/xe_svm.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c index 213f0334518a..eb8d8fe6ff75 100644 --- a/drivers/gpu/drm/xe/xe_svm.c +++ b/drivers/gpu/drm/xe/xe_svm.c @@ -1649,6 +1649,14 @@ int xe_svm_alloc_vram(struct xe_svm_range *range, const struct drm_gpusvm_ctx *c return err; } +static void *xe_drm_pagemap_device_iova_alloc(struct drm_pagemap *dpagemap, + struct device *dev, size_t length, + enum dma_data_direction dir) +{ + /* NIY */ + return NULL; +} + static struct drm_pagemap_addr xe_drm_pagemap_device_map(struct drm_pagemap *dpagemap, struct device *dev, @@ -1720,6 +1728,7 @@ static void xe_pagemap_destroy(struct drm_pagemap *dpagemap, bool from_atomic_or } static const struct drm_pagemap_ops xe_drm_pagemap_ops = { + .device_iova_alloc = xe_drm_pagemap_device_iova_alloc, .device_map = xe_drm_pagemap_device_map, .device_unmap = xe_drm_pagemap_device_unmap, .populate_mm = xe_drm_pagemap_populate_mm, -- 2.34.1
