diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3488-drm-amd-display-Fix-32-bit-divide-error-in-wait_for_.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3488-drm-amd-display-Fix-32-bit-divide-error-in-wait_for_.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3488-drm-amd-display-Fix-32-bit-divide-error-in-wait_for_.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3488-drm-amd-display-Fix-32-bit-divide-error-in-wait_for_.patch new file mode 100644 index 00000000..277166e7 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3488-drm-amd-display-Fix-32-bit-divide-error-in-wait_for_.patch @@ -0,0 +1,52 @@ +From 8afef59a7782d448a790d34394d6ee6ba1b86006 Mon Sep 17 00:00:00 2001 +From: Nathan Chancellor <natechancellor@gmail.com> +Date: Tue, 20 Aug 2019 16:57:13 -0700 +Subject: [PATCH 3488/4256] drm/amd/display: Fix 32-bit divide error in + wait_for_alt_mode + +When building arm32 allyesconfig: + +ld.lld: error: undefined symbol: __aeabi_uldivmod +>>> referenced by dc_link.c +>>> gpu/drm/amd/display/dc/core/dc_link.o:(wait_for_alt_mode) in archive drivers/built-in.a +>>> referenced by dc_link.c +>>> gpu/drm/amd/display/dc/core/dc_link.o:(wait_for_alt_mode) in archive drivers/built-in.a + +time_taken_in_ns is of type unsigned long long so we need to use div_u64 +to avoid this error. + +Fixes: b5b1f4554904 ("drm/amd/display: Enable type C hotplug") +Reported-by: Randy Dunlap <rdunlap@infradead.org> +Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc_link.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c +index c953f6d2770a..8ec4fa3ed675 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c +@@ -719,7 +719,7 @@ bool wait_for_alt_mode(struct dc_link *link) + time_taken_in_ns = dm_get_elapse_time_in_ns( + link->ctx, finish_timestamp, enter_timestamp); + DC_LOG_WARNING("Alt mode entered finished after %llu ms\n", +- time_taken_in_ns / 1000000); ++ div_u64(time_taken_in_ns, 1000000)); + return true; + } + +@@ -728,7 +728,7 @@ bool wait_for_alt_mode(struct dc_link *link) + time_taken_in_ns = dm_get_elapse_time_in_ns(link->ctx, finish_timestamp, + enter_timestamp); + DC_LOG_WARNING("Alt mode has timed out after %llu ms\n", +- time_taken_in_ns / 1000000); ++ div_u64(time_taken_in_ns, 1000000)); + return false; + } + +-- +2.17.1 + |