Re: linux-next: build failure after merge of the drm-xe tree

[Mark Brown]

On Wed, Jun 03, 2026 at 03:02:08PM +0100, Mark Brown wrote:
> Hi all,
> 
> After merging the drm-xe tree, today's linux-next build (x86_64
> allmodconfig) failed.  Unfortunately I fat fingered things and deleted
> the logs, assuming the issue remains I'll report proprely tomorrow.  I'm
> fairly sure the issue was due to:
> 
>   5ff004fdc7377 (drm/xe/rtp: Add struct types for RTP tables)
> 
> with some of the fields in rtp_to_sr_cases[] haiving non-const values.
> Sorry about the lack of clarity here.
> 
> I have merged the version from next-20260602 instead.

The error message is:

/tmp/next/build/drivers/gpu/drm/xe/xe_hw_engine.c:361:6: error: initializer element is not a compile-time constant
  361 |                                  blit_cctl_val,
      |                                  ^~~~~~~~~~~~~
/tmp/next/build/drivers/gpu/drm/xe/xe_rtp.h:461:41: note: expanded from macro 'XE_RTP_ACTIONS'
  461 |                 XE_RTP_PASTE_FOREACH(ACTION_, COMMA, (__VA_ARGS__))     \
      |                                                       ^~~~~~~~~~~
/tmp/next/build/drivers/gpu/drm/xe/xe_rtp_helpers.h:56:108: note: expanded from macro 'XE_RTP_PASTE_FOREACH'
   56 | #define XE_RTP_PASTE_FOREACH(prefix_, sep_, args_) _XE_RTP_CONCAT(PASTE_, COUNT_ARGS args_)(prefix_, sep_, args_)
      |                                                                                                            ^~~~~
/tmp/next/build/drivers/gpu/drm/xe/xe_rtp_helpers.h:57:80: note: expanded from macro 'XE_RTP_PASTE_1'
   57 | #define XE_RTP_PASTE_1(prefix_, sep_, args_) _XE_RTP_CONCAT(prefix_, FIRST_ARG args_)
      |                                                                                ^~~~~
note: (skipping 11 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/tmp/next/build/include/linux/compiler.h:204:39: note: expanded from macro '__is_array'
  204 | #define __is_array(a)           (!__same_type((a), &(a)[0]))
      |                                                ^
/tmp/next/build/include/linux/compiler_types.h:610:63: note: expanded from macro '__same_type'
  610 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
      |                                                               ^
/tmp/next/build/include/linux/compiler.h:200:84: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
  200 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
      |                                                                                    ^
/tmp/next/build/drivers/gpu/drm/xe/xe_hw_engine.c:416:9: error: initializer element is not a compile-time constant
  416 |                                            ring_cmd_cctl_val,
      |                                            ^~~~~~~~~~~~~~~~~
/tmp/next/build/drivers/gpu/drm/xe/xe_rtp.h:461:41: note: expanded from macro 'XE_RTP_ACTIONS'
  461 |                 XE_RTP_PASTE_FOREACH(ACTION_, COMMA, (__VA_ARGS__))     \
      |                                                       ^~~~~~~~~~~
/tmp/next/build/drivers/gpu/drm/xe/xe_rtp_helpers.h:56:108: note: expanded from macro 'XE_RTP_PASTE_FOREACH'
   56 | #define XE_RTP_PASTE_FOREACH(prefix_, sep_, args_) _XE_RTP_CONCAT(PASTE_, COUNT_ARGS args_)(prefix_, sep_, args_)
      |                                                                                                            ^~~~~
/tmp/next/build/drivers/gpu/drm/xe/xe_rtp_helpers.h:57:80: note: expanded from macro 'XE_RTP_PASTE_1'
   57 | #define XE_RTP_PASTE_1(prefix_, sep_, args_) _XE_RTP_CONCAT(prefix_, FIRST_ARG args_)
      |                                                                                ^~~~~
note: (skipping 11 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
/tmp/next/build/include/linux/compiler.h:204:39: note: expanded from macro '__is_array'
  204 | #define __is_array(a)           (!__same_type((a), &(a)[0]))
      |                                                ^
/tmp/next/build/include/linux/compiler_types.h:610:63: note: expanded from macro '__same_type'
  610 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
      |                                                               ^
/tmp/next/build/include/linux/compiler.h:200:84: note: expanded from macro '__BUILD_BUG_ON_ZERO_MSG'
  200 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);}))
      |                                                                                    ^
2 errors generated.

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