[PATCH] drm/radeon: fix 64 bit divide in SI spm code

alexdeucher at gmail.com alexdeucher at gmail.com
Thu Aug 1 06:03:29 PDT 2013


From: Alex Deucher <alexander.deucher at amd.com>

Forgot to use the appropriate math64 function.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---

This is already in my -fixes queue, but for those that are running into
issues, here's the fix.

 drivers/gpu/drm/radeon/si_dpm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 7ad22e8..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);
 
-- 
1.7.7.5



More information about the dri-devel mailing list