<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<p style="font-family:Arial;font-size:10pt;color:#0000FF;margin:5pt;font-style:normal;font-weight:normal;text-decoration:none;" align="Left">
[AMD Official Use Only - General]<br>
</p>
<br>
<div>
<div style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
Reviewed-by: Alex Deucher <alexander.deucher@amd.com><br>
</div>
<div id="appendonsend"></div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Limonciello, Mario <Mario.Limonciello@amd.com><br>
<b>Sent:</b> Monday, September 25, 2023 9:44 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Limonciello, Mario <Mario.Limonciello@amd.com>; Deucher, Alexander <Alexander.Deucher@amd.com>; Xu, Feifei <Feifei.Xu@amd.com><br>
<b>Subject:</b> [PATCH] drm/amd: Limit seamless boot by default to APUs</font>
<div> </div>
</div>
<div class="BodyFragment"><font size="2"><span style="font-size:11pt;">
<div class="PlainText">A hang is reported on DCN 3.2 with seamless boot enabled.<br>
As the benefits come from an eDP setup, limit it to only enabled<br>
by default with APUs.<br>
<br>
Suggested-by: Alexander.Deucher@amd.com<br>
Reported-by: feifei.xu@amd.com<br>
Closes: <a href="https://lore.kernel.org/amd-gfx/85b427f6-11ec-4249-bf6f-eadf9c375f88@amd.com/T/#m2887e919d7c01b2a4860d2261b366d22e070f309">
https://lore.kernel.org/amd-gfx/85b427f6-11ec-4249-bf6f-eadf9c375f88@amd.com/T/#m2887e919d7c01b2a4860d2261b366d22e070f309</a><br>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com><br>
---<br>
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++<br>
1 file changed, 3 insertions(+)<br>
<br>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c<br>
index 22c0e035de81..5436d7a34014 100644<br>
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c<br>
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c<br>
@@ -1380,6 +1380,9 @@ bool amdgpu_device_seamless_boot_supported(struct amdgpu_device *adev)<br>
return false;<br>
}<br>
<br>
+ if (!(adev->flags & AMD_IS_APU))<br>
+ return false;<br>
+<br>
if (adev->mman.keep_stolen_vga_memory)<br>
return false;<br>
<br>
-- <br>
2.34.1<br>
<br>
</div>
</span></font></div>
</div>
</body>
</html>