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<div style="margin:0;"><font size="2" face="Calibri,sans-serif"><span style="font-size:11pt;"><font color="black" face="Arial,sans-serif">Reviewed-by: Rex Zhu<</font><a href="mailto:rezhu@amd.com" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" id="LPlnk464718" class="OWAAutoLink"><font size="3"><span style="font-size:12pt;"><font size="2" face="Arial,sans-serif"><span style="font-size:11pt;">rezhu@amd.com</span></font></span></font></a><font color="black" face="Arial,sans-serif">> </font></span></font></div>
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Regards<br>
Rex<br>
<br>
<div style="color: rgb(0, 0, 0);">
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Evan Quan <evan.quan@amd.com><br>
<b>Sent:</b> Friday, July 20, 2018 10:35 AM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org<br>
<b>Cc:</b> Quan, Evan; Zhu, Rex<br>
<b>Subject:</b> [PATCH 1/3] drm/amd/powerplay: slow UCLK switch when multiple displays not in sync</font>
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<div class="PlainText">Slow switch for UCLK when there is multiple displays and they are<br>
not in sync.<br>
<br>
Change-Id: I8a296400d8b96443cc95518905307fc76c9f9e44<br>
Signed-off-by: Evan Quan <evan.quan@amd.com><br>
---<br>
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 3 ++-<br>
1 file changed, 2 insertions(+), 1 deletion(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c<br>
index 1a0dccb3fac1..bf7b8cfebe2b 100644<br>
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c<br>
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c<br>
@@ -3780,7 +3780,8 @@ static int vega10_notify_smc_display_config_after_ps_adjustment(<br>
uint32_t i;<br>
struct pp_display_clock_request clock_req;<br>
<br>
- if (hwmgr->display_config->num_display > 1)<br>
+ if ((hwmgr->display_config->num_display > 1) &&<br>
+ !hwmgr->display_config->multi_monitor_in_sync)<br>
vega10_notify_smc_display_change(hwmgr, false);<br>
else<br>
vega10_notify_smc_display_change(hwmgr, true);<br>
-- <br>
2.18.0<br>
<br>
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