[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Non-interface changing GuC CTBs updates (rev2)

[Matthew Brost]

On Thu, May 27, 2021 at 10:13:21AM -0700, John Harrison wrote:
> On 5/25/2021 23:42, Patchwork wrote:
> > == Series Details ==
> > 
> > Series: Non-interface changing GuC CTBs updates (rev2)
> > URL   : https://patchwork.freedesktop.org/series/90552/
> > State : warning
> > 
> > == Summary ==
> > 
> > $ dim checkpatch origin/drm-tip
> > 6b6bffd59ced drm/i915/guc: skip disabling CTBs before sanitizing the GuC
> > 3f9bbaddbf9d drm/i915/guc: use probe_error log for CT enablement failure
> > 866285dad8d0 drm/i915/guc: enable only the user interrupt when using GuC submission
> > eafc57f85f6f drm/i915/guc: Remove sample_forcewake h2g action
> > cb62a7f50e3b drm/i915/guc: Keep strict GuC ABI definitions
> > -:18: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
> > #18:
> > new file mode 100644
> > 
> > total: 0 errors, 1 warnings, 0 checks, 476 lines checked
> > 28e9b20a7873 drm/i915/guc: Drop guc->interrupts.enabled
> > 190975af8c9f drm/i915/guc: Stop using fence/status from CTB descriptor
> > 15a068ac5b1e drm/i915: Promote ptrdiff() to i915_utils.h
> > e3a6d58106c2 drm/i915/guc: Only rely on own CTB size
> > aaa8781a008e drm/i915/guc: Don't repeat CTB layout calculations
> > b065023c038e drm/i915/guc: Replace CTB array with explicit members
> > 9f1ec21626ae drm/i915/guc: Update sizes of CTB buffers
> > 7a0e05be601b drm/i915/guc: Relax CTB response timeout
> > 11573d2c3987 drm/i915/guc: Start protecting access to CTB descriptors
> > -:87: CHECK:UNCOMMENTED_DEFINITION: spinlock_t definition without comment
> > #87: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h:36:
> > +	spinlock_t lock;
> > 
> > total: 0 errors, 0 warnings, 1 checks, 61 lines checked
> > f32e4faa422e drm/i915/guc: Ensure H2G buffer updates visible before tail update
> > -:23: ERROR:OPEN_BRACE: open brace '{' following function definitions go on the next line
> > #23: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c:331:
> > +static void write_barrier(struct intel_guc_ct *ct) {
> > 
> > -:31: WARNING:MEMORY_BARRIER: memory barrier without comment
> > #31: FILE: drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c:339:
> > +		wmb();
> These three warnings should be fixed.
> 

Will do. But it seems odd to require comments for these.

> John.
> 
> > total: 1 errors, 1 warnings, 0 checks, 30 lines checked
> > 6feab437948e drm/i915/guc: Stop using mutex while sending CTB messages
> > a44bbeef3e75 drm/i915/guc: Don't receive all G2H messages in irq handler
> > 41650b9fd9e5 drm/i915/guc: Always copy CT message to new allocation
> > 
> > 
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>