[PATCH 3.11-rc3+] radeon: si_dpm: Fix 32 bit __divdi3 modpost failure
Deucher, Alexander
Alexander.Deucher at amd.com
Thu Aug 1 08:51:28 PDT 2013
I've already got the fix queued in my -fixes branch:
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.11&id=1d2867b98372929129c7f2ce2c83a9b446a1b43a
> -----Original Message-----
> From: Tim Gardner [mailto:tim.gardner at canonical.com]
> Sent: Thursday, August 01, 2013 11:26 AM
> To: dri-devel at lists.freedesktop.org; linux-kernel at vger.kernel.org
> Cc: Tim Gardner; David Airlie; Deucher, Alexander
> Subject: [PATCH 3.11-rc3+] radeon: si_dpm: Fix 32 bit __divdi3 modpost
> failure
>
> ERROR: "__divdi3" [drivers/gpu/drm/radeon/radeon.ko] undefined!
> make[3]: *** [__modpost] Error 1
>
> gcc version 4.8.1
>
> Cc: David Airlie <airlied at linux.ie>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
> ---
> drivers/gpu/drm/radeon/si_dpm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/si_dpm.c
> b/drivers/gpu/drm/radeon/si_dpm.c
> index 7ad22e87..4182557 100644
> --- a/drivers/gpu/drm/radeon/si_dpm.c
> +++ b/drivers/gpu/drm/radeon/si_dpm.c
> @@ -1767,7 +1767,7 @@ static void
> si_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coe
> s64 temperature, t_slope, t_intercept, av, bv, t_ref;
> s64 tmp;
>
> - i_leakage = drm_int2fixp(ileakage) / 100;
> + i_leakage = div64_s64(drm_int2fixp(ileakage), 100);
> vddc = div64_s64(drm_int2fixp(v), 1000);
> temperature = div64_s64(drm_int2fixp(t), 1000);
>
> --
> 1.7.9.5
>
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