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Message-ID: <20240701191319.087b227e@canb.auug.org.au>
Date: Mon, 1 Jul 2024 19:13:19 +1000
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Dave Airlie <airlied@...hat.com>
Cc: Ville Syrjälä <ville.syrjala@...ux.intel.com>, DRI
<dri-devel@...ts.freedesktop.org>, Linux Kernel Mailing List
<linux-kernel@...r.kernel.org>, Linux Next Mailing List
<linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the drm tree
Hi all,
After merging the drm tree, today's linux-next build (powerpc
allyesconfig) failed like this:
In file included from arch/powerpc/include/asm/mmu.h:144,
from arch/powerpc/include/asm/paca.h:18,
from arch/powerpc/include/asm/current.h:13,
from include/linux/sched.h:12,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from include/linux/dma-mapping.h:8,
from drivers/gpu/drm/omapdrm/omap_gem.c:7:
drivers/gpu/drm/omapdrm/omap_gem.c: In function 'omap_gem_pin_tiler':
arch/powerpc/include/asm/page.h:25:33: error: conversion from 'long unsigned int' to 'u16' {aka 'short unsigned int'} changes value from '65536' to '0' [-Werror=overflow]
25 | #define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/omapdrm/omap_gem.c:758:42: note: in expansion of macro 'PAGE_SIZE'
758 | PAGE_SIZE);
| ^~~~~~~~~
drivers/gpu/drm/omapdrm/omap_gem.c: In function 'omap_gem_init':
arch/powerpc/include/asm/page.h:25:33: error: conversion from 'long unsigned int' to 'u16' {aka 'short unsigned int'} changes value from '65536' to '0' [-Werror=overflow]
25 | #define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/omapdrm/omap_gem.c:1504:65: note: in expansion of macro 'PAGE_SIZE'
1504 | block = tiler_reserve_2d(fmts[i], w, h, PAGE_SIZE);
| ^~~~~~~~~
cc1: all warnings being treated as errors
Exposed by commit
dc6fcaaba5a5 ("drm/omap: Allow build with COMPILE_TEST=y")
PowerPC 64 bit uses 64k pages.
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell
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