radeon: si_dpm.c: avoid a signed 64-bit divide

Commit Message

Kyle McMartin Aug. 2, 2013, 5:12 p.m. UTC

Hit a compile failure here referencing divdi3 on i686.

Signed-off-by: Kyle McMartin <[e-mail]>

Comments

Kyle McMartin Aug. 2, 2013, 5:16 p.m. UTC | #1

On Fri, Aug 02, 2013 at 05:14:52PM +0000, Deucher, Alexander wrote:
> The fix is already queued in my tree:
> http://lists.freedesktop.org/archives/dri-devel/2013-August/042668.html
> 

thanks. ;-)

Patch

--- 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);