From 809ef191ee600e8bcbe2f8a769e00d2d54c16094 Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Wed, 8 Nov 2023 01:12:37 +0100 Subject: [PATCH] drm/gpuvm: add drm_gpuvm_flags to drm_gpuvm MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Introduce flags for struct drm_gpuvm, this required by subsequent commits. Acked-by: Christian König Reviewed-by: Boris Brezillon Reviewed-by: Thomas Hellström Signed-off-by: Danilo Krummrich Link: https://patchwork.freedesktop.org/patch/msgid/20231108001259.15123-8-dakr@redhat.com --- drivers/gpu/drm/drm_gpuvm.c | 3 +++ drivers/gpu/drm/nouveau/nouveau_uvmm.c | 2 +- include/drm/drm_gpuvm.h | 16 ++++++++++++++++ 3 files changed, 20 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/drm_gpuvm.c +++ b/drivers/gpu/drm/drm_gpuvm.c @@ -714,6 +714,7 @@ EXPORT_SYMBOL_GPL(drm_gpuvm_resv_object_ * drm_gpuvm_init() - initialize a &drm_gpuvm * @gpuvm: pointer to the &drm_gpuvm to initialize * @name: the name of the GPU VA space + * @flags: the &drm_gpuvm_flags for this GPUVM * @drm: the &drm_device this VM resides in * @r_obj: the resv &drm_gem_object providing the GPUVM's common &dma_resv * @start_offset: the start offset of the GPU VA space @@ -729,6 +730,7 @@ EXPORT_SYMBOL_GPL(drm_gpuvm_resv_object_ */ void drm_gpuvm_init(struct drm_gpuvm *gpuvm, const char *name, + enum drm_gpuvm_flags flags, struct drm_device *drm, struct drm_gem_object *r_obj, u64 start_offset, u64 range, @@ -739,6 +741,7 @@ drm_gpuvm_init(struct drm_gpuvm *gpuvm, INIT_LIST_HEAD(&gpuvm->rb.list); gpuvm->name = name ? name : "unknown"; + gpuvm->flags = flags; gpuvm->ops = ops; gpuvm->drm = drm; gpuvm->r_obj = r_obj; --- a/drivers/gpu/drm/nouveau/nouveau_uvmm.c +++ b/drivers/gpu/drm/nouveau/nouveau_uvmm.c @@ -1830,7 +1830,7 @@ nouveau_uvmm_init(struct nouveau_uvmm *u goto out_unlock; } - drm_gpuvm_init(&uvmm->base, cli->name, drm, r_obj, + drm_gpuvm_init(&uvmm->base, cli->name, 0, drm, r_obj, NOUVEAU_VA_SPACE_START, NOUVEAU_VA_SPACE_END, kernel_managed_addr, kernel_managed_size, --- a/include/drm/drm_gpuvm.h +++ b/include/drm/drm_gpuvm.h @@ -185,6 +185,16 @@ static inline bool drm_gpuva_invalidated } /** + * enum drm_gpuvm_flags - flags for struct drm_gpuvm + */ +enum drm_gpuvm_flags { + /** + * @DRM_GPUVM_USERBITS: user defined bits + */ + DRM_GPUVM_USERBITS = BIT(0), +}; + +/** * struct drm_gpuvm - DRM GPU VA Manager * * The DRM GPU VA Manager keeps track of a GPU's virtual address space by using @@ -203,6 +213,11 @@ struct drm_gpuvm { const char *name; /** + * @flags: the &drm_gpuvm_flags of this GPUVM + */ + enum drm_gpuvm_flags flags; + + /** * @drm: the &drm_device this VM lives in */ struct drm_device *drm; @@ -252,6 +267,7 @@ struct drm_gpuvm { }; void drm_gpuvm_init(struct drm_gpuvm *gpuvm, const char *name, + enum drm_gpuvm_flags flags, struct drm_device *drm, struct drm_gem_object *r_obj, u64 start_offset, u64 range,