Re: linux-next: build failure after merge of the drm-xe tree
From: Thomas Hellström
Date: Thu Jun 04 2026 - 10:52:22 EST
On Thu, 2026-06-04 at 15:35 +0100, Mark Brown wrote:
> 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.
Funny, I see no build errors with drm-xe-next allmodconfig. What
compiler is being used? Any sha1 of the drm-xe-next top commit you're
testing?
Thanks,
Thomas