[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/6] dma-buf: add dynamic DMA-buf handling v12

[Patchwork]

== Series Details ==

Series: series starting with [1/6] dma-buf: add dynamic DMA-buf handling v12
URL   : https://patchwork.freedesktop.org/series/62703/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
5e67f863406a dma-buf: add dynamic DMA-buf handling v12
-:11: WARNING:COMMIT_LOG_LONG_LINE: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#11: 
map/unmap callbacks are always called with the lock of the reservation object

-:500: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 2 warnings, 0 checks, 435 lines checked
643c70cde405 drm/ttm: remove the backing store if no placement is given
-:36: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 18 lines checked
bda6a595237a drm/ttm: use the parent resv for ghost objects v2
-:88: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 62 lines checked
45c4422ca84c drm/amdgpu: use allowed_domains for exported DMA-bufs
-:36: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 17 lines checked
e49369d3f0ff drm/amdgpu: add independent DMA-buf export v6
-:338: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 293 lines checked
60e6bdd2934e drm/amdgpu: add independent DMA-buf import v7
-:280: WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal patch author 'Christian König <ckoenig.leichtzumerken at gmail.com>'

total: 0 errors, 1 warnings, 0 checks, 222 lines checked