[PATCH v3 09/37] drm/i915: gem: add kernel-doc description for some function parameters

From: Mauro Carvalho Chehab
Date: Fri Sep 09 2022 - 03:37:06 EST


There are some parameters missing at the kernel-doc markups on
some gem files. Some of those are trivial enough to be added.

Document them.

Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---

To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH v3 00/37] at: https://lore.kernel.org/all/cover.1662708705.git.mchehab@xxxxxxxxxx/

drivers/gpu/drm/i915/gem/i915_gem_object.c | 2 ++
drivers/gpu/drm/i915/gem/i915_gem_ttm.h | 1 +
drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 2 ++
3 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 85482a04d158..35637e2f51f3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -815,6 +815,8 @@ int i915_gem_object_wait_moving_fence(struct drm_i915_gem_object *obj,
* in an unknown_state. This means that userspace must NEVER be allowed to touch
* the pages, with either the GPU or CPU.
*
+ * @obj: The object to check its state.
+ *
* ONLY valid to be called after ensuring that all kernel fences have signalled
* (in particular the fence for moving/clearing the object).
*/
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
index e4842b4296fc..64151f40098f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
@@ -30,6 +30,7 @@ void i915_ttm_bo_destroy(struct ttm_buffer_object *bo);
/**
* i915_ttm_to_gem - Convert a struct ttm_buffer_object to an embedding
* struct drm_i915_gem_object.
+ * @bo: The ttm buffer object.
*
* Return: Pointer to the embedding struct ttm_buffer_object, or NULL
* if the object was not an i915 ttm object.
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
index 9a7e50534b84..56217d324a9b 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
@@ -237,6 +237,7 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo,
* @_src_iter: Storage space for the source kmap iterator.
* @dst_iter: Pointer to the destination kmap iterator.
* @src_iter: Pointer to the source kmap iterator.
+ * @num_pages: Number of pages to copy or to be cleared.
* @clear: Whether to clear instead of copy.
* @src_rsgt: Refcounted scatter-gather list of source memory.
* @dst_rsgt: Refcounted scatter-gather list of destination memory.
@@ -541,6 +542,7 @@ __i915_ttm_move(struct ttm_buffer_object *bo,
* i915_ttm_move - The TTM move callback used by i915.
* @bo: The buffer object.
* @evict: Whether this is an eviction.
+ * @ctx: Pointer to a struct ttm_operation_ctx
* @dst_mem: The destination ttm resource.
* @hop: If we need multihop, what temporary memory type to move to.
*
--
2.37.3