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<p style="margin-top:0;margin-bottom:0">I think Harry sent out a similar patch a few days ago.</p>
<p style="margin-top:0;margin-bottom:0">Reviewed-by: Alex Deucher <alexander.deucher@amd.com><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Rex Zhu <Rex.Zhu@amd.com><br>
<b>Sent:</b> Tuesday, April 17, 2018 5:37:59 AM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org<br>
<b>Cc:</b> Zhu, Rex<br>
<b>Subject:</b> [PATCH] drm/amd/display: fix compiling error on 32-Bit Linux</font>
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<div class="PlainText">ERROR: "__udivdi3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!<br>
<br>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com><br>
---<br>
drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 5 +++--<br>
1 file changed, 3 insertions(+), 2 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c<br>
index 5e12e46..d1f57d0 100644<br>
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c<br>
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c<br>
@@ -616,6 +616,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,<br>
unsigned int refresh_range = 0;<br>
unsigned int min_refresh_in_uhz = 0;<br>
unsigned int max_refresh_in_uhz = 0;<br>
+ unsigned long long tmp;<br>
<br>
if (mod_freesync == NULL)<br>
return;<br>
@@ -646,8 +647,8 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,<br>
* calculated from pixel rate and vertical/horizontal totals, but<br>
* this should be allowed instead of blocking FreeSync.<br>
*/<br>
- if ((min_refresh_in_uhz / 1000000) ><br>
- ((nominal_field_rate_in_uhz + 1000000 - 1) / 1000000))<br>
+ tmp = div_u64(nominal_field_rate_in_uhz + 1000000 - 1, 1000000);<br>
+ if ((min_refresh_in_uhz / 1000000) > tmp)<br>
nominal_field_rate_in_range = false;<br>
<br>
// Full range may be larger than current video timing, so cap at nominal<br>
-- <br>
1.9.1<br>
<br>
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