The documentation for the flags field is missing there. It sounds that some last-time change converted some bools into flags, but the kernel-doc change didn't follow it. Fix those warnings: drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c:135: warning: Function parameter or member 'flags' not described in 'i915_ttm_backup_region' drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c:135: warning: Excess function parameter 'allow_gpu' description in 'i915_ttm_backup_region' drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c:135: warning: Excess function parameter 'backup_pinned' description in 'i915_ttm_backup_region' drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c:199: warning: Function parameter or member 'flags' not described in 'i915_ttm_restore_region' drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c:199: warning: Excess function parameter 'allow_gpu' description in 'i915_ttm_restore_region' 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 v2 00/39] at: https://lore.kernel.org/all/cover.1657699522.git.mchehab@xxxxxxxxxx/ drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c index 9aad84059d56..9843831c9b37 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_pm.c @@ -123,8 +123,9 @@ void i915_ttm_recover_region(struct intel_memory_region *mr) /** * i915_ttm_backup_region - Back up all objects of a region to smem. * @mr: The memory region - * @allow_gpu: Whether to allow the gpu blitter for this backup. - * @backup_pinned: Backup also pinned objects. + * @flags: Bitmap field with the following flags: + * %I915_TTM_BACKUP_ALLOW_GPU: allow the gpu blitter for this backup; + * %I915_TTM_BACKUP_PINNED: backup also pinned objects. * * Loops over all objects of a region and either evicts them if they are * evictable or backs them up using a backup object if they are pinned. @@ -188,7 +189,8 @@ static int i915_ttm_restore(struct i915_gem_apply_to_region *apply, /** * i915_ttm_restore_region - Restore backed-up objects of a region from smem. * @mr: The memory region - * @allow_gpu: Whether to allow the gpu blitter to recover. + * @flags: Bitmap field with the following flags: + * %I915_TTM_BACKUP_ALLOW_GPU: allow the gpu blitter for this backup; * * Loops over all objects of a region and if they are backed-up, restores * them from smem. -- 2.36.1