<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style></style> </head> <body lang="EN-US" link="blue" vlink="purple"> <div class="WordSection1"> Hi, All<o:p></o:p> <o:p> </o:p> We got a question from Dell Customer about Intel Graphics. <o:p></o:p> Anyone could help answer that? It is related with shared 3D buffer cache mechanism between Intel and AMD.<o:p></o:p> <o:p> </o:p> Thanks you in advance.<o:p></o:p> <o:p> </o:p> <a href="https://bugs.freedesktop.org/show_bug.cgi?id=101691#c37">https://bugs.freedesktop.org/show_bug.cgi?id=101691#c37</a><o:p></o:p> Comment #37 from AMD engineer<o:p></o:p> I wonder if it could be related to the caching attributes of the system memory pages being shared between the GPUs. AFAICT the amdgpu driver should end up treating them as non-cacheable, and correspondingly program the AMD GPU not to participate in cache coherency protocol for them. How does the i915 driver treat the pages of imported buffer objects?<o:p></o:p> <o:p> </o:p> Background:<o:p></o:p> DRM_PRIME=1, glxgears corruption with compiz in KBL-U platform which has integrated Intel Graphics and discrete AMD graphics card.<o:p></o:p> AC mode corruption(Power). DC mode works (Battery)<o:p></o:p> <a name="_MailEndCompose"><o:p> </o:p></a> Thanks<o:p></o:p> <o:p> </o:p> Regards<o:p></o:p> <o:p> </o:p> Quanxian Wang<o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Alex.Zhang1@Dell.com [mailto:Alex.Zhang1@Dell.com] Sent: Wednesday, August 30, 2017 10:52 AM To: Wang, Quanxian <quanxian.wang@intel.com>; David.D.Wang@dell.com Cc: emily.chien@canonical.com; chih.ho@canonical.com; Zorro.Zhang@dell.com; Darren.Powell@amd.com; Tim.Writer@amd.com; Steven.Yen@amd.com Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Dell - Internal Use - Confidential <o:p></o:p> Hi Quanxian,<o:p></o:p> I also want to ask one question, how many framebuffer you create after the driver finish loading, about 3d window content, do you get the source just from one buffer?<o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> <a name="_____replyseparator"></a>From: Zhang1, Alex Sent: Wednesday, August 30, 2017 10:37 AM To: 'Wang, Quanxian' <<a href="mailto:quanxian.wang@intel.com">quanxian.wang@intel.com</a>>; Wang, David D <<a href="mailto:David_D_Wang@dell.com">David_D_Wang@dell.com</a>> Cc: 'emily.chien@canonical.com' <<a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>>; 'chih.ho@canonical.com' <<a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>>; Zhang, Zorro <<a href="mailto:Zorro_Zhang@Dell.com">Zorro_Zhang@Dell.com</a>>; 'Powell, Darren' <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; 'Writer, Tim' <<a href="mailto:Tim.Writer@amd.com">Tim.Writer@amd.com</a>>; 'Yen, Steven' <<a href="mailto:Steven.Yen@amd.com">Steven.Yen@amd.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Dell - Internal Use - Confidential <o:p></o:p> Remove AMD,<o:p></o:p> Hi Quanxian,<o:p></o:p> Please reply <a href="https://bugs.freedesktop.org/show_bug.cgi?id=101691#c37">https://bugs.freedesktop.org/show_bug.cgi?id=101691#c37</a><o:p></o:p> comment 37.<o:p></o:p> Thanks<o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Quanxian [<a href="mailto:quanxian.wang@intel.com">mailto:quanxian.wang@intel.com</a>] Sent: Friday, August 25, 2017 3:21 AM To: Olsak, Marek <<a href="mailto:Marek.Olsak@amd.com">Marek.Olsak@amd.com</a>>; Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com">Napoleon.Wang@amd.com</a>>; Zhang1, Alex <<a href="mailto:Alex_Zhang1@Dell.com">Alex_Zhang1@Dell.com</a>>; Daenzer, Michel <<a href="mailto:Michel.Daenzer@amd.com">Michel.Daenzer@amd.com</a>> Cc: <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; Zhang, Zorro <<a href="mailto:Zorro_Zhang@Dell.com">Zorro_Zhang@Dell.com</a>>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; Writer, Tim <<a href="mailto:Tim.Writer@amd.com">Tim.Writer@amd.com</a>>; Yen, Steven <<a href="mailto:Steven.Yen@amd.com">Steven.Yen@amd.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> No, amdgpu will also use Xserver/Compiz/Kernel. AMD is a discrete card, by default it should be used instead of integrated card. We don’t find the same issue on KBL platform without AMD.<o:p></o:p> <o:p> </o:p> You can refer to 101691’s comment #18 from Timo, and #20 from Ethan. If amdgpu loaded failed, no corruption which make Timo think the bug is fixed. If amdgpu loaded, corruption is back! Ethan’s test proves that. Amdgpu.pm=0. Amdgpu load failed, means in xserver, Integrated card (Intel) takes the role.<o:p></o:p> <o:p> </o:p> Regards<o:p></o:p> Quanxian Wang<o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Olsak, Marek [<a href="mailto:Marek.Olsak@amd.com">mailto:Marek.Olsak@amd.com</a>] Sent: Friday, August 25, 2017 1:11 AM To: Wang, Quanxian <<a href="mailto:quanxian.wang@intel.com">quanxian.wang@intel.com</a>>; Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com">Napoleon.Wang@amd.com</a>>; <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a>; Daenzer, Michel <<a href="mailto:Michel.Daenzer@amd.com">Michel.Daenzer@amd.com</a>> Cc: <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; <a href="mailto:Zorro.Zhang@dell.com"> Zorro.Zhang@dell.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; Writer, Tim <<a href="mailto:Tim.Writer@amd.com">Tim.Writer@amd.com</a>>; Yen, Steven <<a href="mailto:Steven.Yen@amd.com">Steven.Yen@amd.com</a>> Subject: Re: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> <div id="divtagdefaultwrapper"> Hi,<o:p></o:p> <o:p> </o:p> My understanding is that only the application that has DRI_PRIME=1 runs on amdgpu (which is glxgears). Everything else runs on Intel. Compiz and X run on Intel. amdgpu only renders the contents of the glxgears framebuffer to an off-screen buffer. The amdgpu work ends there. The off-screen buffer is used as a texture by compiz, which runs on Intel and renders the whole desktop. From Intel's point of view, it's a simple texturing task.<o:p></o:p> <o:p> </o:p> Marek<o:p></o:p> </div> <div class="MsoNormal" align="center" style="text-align:center"> <hr size="3" width="98%" align="center"> </div> <div id="divRplyFwdMsg"> From: Wang, Quanxian <<a href="mailto:quanxian.wang@intel.com">quanxian.wang@intel.com</a>> Sent: Thursday, August 24, 2017 2:14:01 PM To: Wang, Napoleon; <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a>; Olsak, Marek; Daenzer, Michel Cc: <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; <a href="mailto:Zorro.Zhang@dell.com"> Zorro.Zhang@dell.com</a>; Powell, Darren; Writer, Tim; Yen, Steven; Wang, Quanxian Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900] <o:p></o:p> <div> <o:p></o:p> </div> </div> <div> Hi, All<o:p></o:p> I draw a design for whole graphic stack. The role of every card is tagged in the picture.<o:p></o:p> <o:p> </o:p> Currently the doubt point is 5th step. 1 and 2 are same output from glxgears. From the testing, they are fine.<o:p></o:p> 5th should have some issues for 3D composition. (the issue should be here).<o:p></o:p> <o:p> </o:p> if possible, could dump the compiz 3D snapshot buffer to take a look.<o:p></o:p> <o:p> </o:p> <img border="0" width="869" height="550" id="_x0000_i1026" src="cid:image001.jpg@01D3217D.B41F38D0" alt="cid:image002.jpg@01D320EE.BFE3F7D0"><o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Quanxian Sent: Thursday, August 24, 2017 6:36 PM To: 'Wang, Napoleon' <<a href="mailto:Napoleon.Wang@amd.com">Napoleon.Wang@amd.com</a>>; <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a>; Olsak, Marek <<a href="mailto:Marek.Olsak@amd.com">Marek.Olsak@amd.com</a>>; Daenzer, Michel <<a href="mailto:Michel.Daenzer@amd.com">Michel.Daenzer@amd.com</a>> Cc: <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; <a href="mailto:Zorro.Zhang@dell.com"> Zorro.Zhang@dell.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; Writer, Tim <<a href="mailto:Tim.Writer@amd.com">Tim.Writer@amd.com</a>>; Yen, Steven <<a href="mailto:Steven.Yen@amd.com">Steven.Yen@amd.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Hi All<o:p></o:p> <o:p> </o:p> Back to this original email.<o:p></o:p> <o:p> </o:p> DRI_PRIME=1 means use AMDGPU for rendering. From the corruption of picture, we found only glxgears corruption, about other parts in the screen, it works normally.<o:p></o:p> <o:p> </o:p> As AMD engineer described, without compiz, glxgears works. With compiz, glxgears corrupted. The problem should happens between glxgear and compiz. The buffer of glxgears is composited wrongly by AMD GPU rendering. This is part of framebuffer of compiz (compositor manager).<o:p></o:p> <o:p> </o:p> Compiz should talk with mesa (amdgpu 3d driver) and then connected AMD kernel driver for rendering if I am not wrong. And then rendering the whole screen which include glxgears parts.<o:p></o:p> <o:p> </o:p> From the beginning to the kernel driver end, does Intel graphics card (Integrated card) take any role?<o:p></o:p> <o:p> </o:p> Thanks<o:p></o:p> <o:p> </o:p> Regards<o:p></o:p> <o:p> </o:p> Quanxian Wang<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Napoleon [<a href="mailto:Napoleon.Wang@amd.com">mailto:Napoleon.Wang@amd.com</a>] Sent: Wednesday, August 23, 2017 2:51 PM To: <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a>; Wang, Quanxian <<a href="mailto:quanxian.wang@intel.com">quanxian.wang@intel.com</a>>; Olsak, Marek <<a href="mailto:Marek.Olsak@amd.com">Marek.Olsak@amd.com</a>>; Daenzer, Michel <<a href="mailto:Michel.Daenzer@amd.com">Michel.Daenzer@amd.com</a>> Cc: <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; <a href="mailto:Zorro.Zhang@dell.com"> Zorro.Zhang@dell.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; Writer, Tim <<a href="mailto:Tim.Writer@amd.com">Tim.Writer@amd.com</a>>; Yen, Steven <<a href="mailto:Steven.Yen@amd.com">Steven.Yen@amd.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Loop in Michel and Marek, Tim from our Linux team.<o:p></o:p> <o:p> </o:p> Hi Quanxian<o:p></o:p> <o:p> </o:p> The issue is still there with all below settings(Corruption and Tearing)<o:p></o:p> If you have further questions you can ask directly with our SW developers<o:p></o:p> <o:p> </o:p> R600_DEBUG=nodcc<o:p></o:p> R600_DEBUG=nodma<o:p></o:p> R600_DEBUG=nodma,nodcc<o:p></o:p> R600_DEBUG=notiling<o:p></o:p> R600_DEBUG=notiling,nodma<o:p></o:p> <o:p> </o:p> I suppose it's Intel's issue, as the gears with DRI3 works well without compiz.<o:p></o:p> corruption (as well as the tearing) only occurs with a compositing<o:p></o:p> manager (compiz), not without. But that only makes a difference on the<o:p></o:p> Intel GPU side, the AMD GPU side works exactly the same way in both<o:p></o:p> cases.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <div> Napoleon Wang <img border="0" width="14" height="14" id="_x0000_i1027" src="cid:image002.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O +(886) 2-3789-3376 M +(886) 939-893-320 <img border="0" width="69" height="23" id="_x0000_i1028" src="cid:image003.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD">facebook</a> | <a href="http://www.amd.com/">amd.com</a><o:p></o:p> </div> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a> [<a href="mailto:Alex.Zhang1@Dell.com">mailto:Alex.Zhang1@Dell.com</a>] Sent: Wednesday, August 23, 2017 2:39 PM To: Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com">Napoleon.Wang@amd.com</a>>; <a href="mailto:quanxian.wang@intel.com">quanxian.wang@intel.com</a> Cc: <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; <a href="mailto:Zorro.Zhang@dell.com"> Zorro.Zhang@dell.com</a> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Dell - Internal Use - Confidential <o:p></o:p> +Intel Quanxian. And Remove other people.<o:p></o:p> Loop AMD and Intel together to work on this issue.<o:p></o:p> Hi Quanxian,<o:p></o:p> About DRI_PRIME=1 glxgears tearing issue, AMD think this issue is due to Intel driver problem.<o:p></o:p> Please work together with AMD to dig the root cause out.<o:p></o:p> <o:p> </o:p> Hi Napoleon & Quanxian,<o:p></o:p> Loki 13 Armani 13 14 platform should prepare A-rev driver on 9/20, please make sure provide solution before 9/6.<o:p></o:p> Please co-work with each other, provide Dell daily detail update about this issue. Loop engineers necessary to this mail loop if needed.<o:p></o:p> Thanks<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Napoleon [<a href="mailto:Napoleon.Wang@amd.com">mailto:Napoleon.Wang@amd.com</a>] Sent: Wednesday, August 23, 2017 2:06 PM To: Zhang1, Alex <<a href="mailto:Alex_Zhang1@Dell.com">Alex_Zhang1@Dell.com</a>>; <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a> Cc: Lin, Will <<a href="mailto:Will.Lin@amd.com">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com"> chih.ho@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com"> rabbit_tsao@compal.com</a>; <a href="mailto:kevin.lu@canonical.com">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; Zhang, Zorro <<a href="mailto:Zorro_Zhang@Dell.com">Zorro_Zhang@Dell.com</a>>; <a href="mailto:yc.cheng@canonical.com">yc.cheng@canonical.com</a>; <a href="mailto:ethan.hsieh@canonical.com"> ethan.hsieh@canonical.com</a>; <a href="mailto:cyrus.lien@canonical.com">cyrus.lien@canonical.com</a> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Hi Alex<o:p></o:p> <o:p> </o:p> UMA is different from Hybrid Graphic or PowerXpress platform.<o:p></o:p> All display output rendered by Intel not AMD, what is Intel’s investigation that point to AMD issue<o:p></o:p> <o:p> </o:p> <img border="0" width="822" height="558" id="_x0000_i1029" src="cid:image004.jpg@01D3217D.B41F38D0" alt="cid:image005.jpg@01D320EE.BFE3F7D0"><o:p></o:p> <o:p> </o:p> If you look at the updates from Canonical<o:p></o:p> <o:p> </o:p> It turned out the amdgpu.dpm=0 did not fix the issue.<o:p></o:p> <o:p></o:p> Platform: AMN4-DVT1-C2 (201707-25595) Graphics Card: Intel [8086:5917] + AMD [1002:6900] Image: ubuntu-17.04-desktop-amd64.iso BIOS: 0.2.7<o:p></o:p> 1) tearing issue (run glxgears with full screen) Cannot reproduce the issue on 17.04.<o:p></o:p> 2) corruption issue (run glxgears with default window size) ----------------- glxinfo ------------------ libGL: pci id for fd 4: 8086:5917, driver i965 libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/tls/i965_dri.so libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/i965_dri.so libGL: Using DRI3 for screen 0 OpenGL renderer string: Mesa DRI Intel(R) Kabylake GT1.5 ----------------- DRI_PRIME=1 glxinfo ------------------ libGL: pci id for fd 5: 1002:6900, driver radeonsi libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/tls/radeonsi_dri.so libGL: OpenDriver: trying /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so libGL: Using DRI3 for screen 0 OpenGL renderer string: Gallium 0.4 on AMD ICELAND (DRM 3.9.0 / 4.10.0-32-generic, LLVM 4.0.0) ---------------------------------------------------------<o:p></o:p> a. modeset AC (Power adaptor): Failed DC (Battery, Unplug Power adaptor): Failed<o:p></o:p> b. 20-intel.conf + 30-amdgpu.conf AC (Power adaptor): Failed DC (Battery, Unplug Power adaptor): Pass<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <div> Napoleon Wang <img border="0" width="14" height="14" id="_x0000_i1030" src="cid:image002.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O +(886) 2-3789-3376 M +(886) 939-893-320 <img border="0" width="69" height="23" id="_x0000_i1031" src="cid:image003.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD">facebook</a> | <a href="http://www.amd.com/">amd.com</a><o:p></o:p> </div> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a> [<a href="mailto:Alex.Zhang1@Dell.com">mailto:Alex.Zhang1@Dell.com</a>] Sent: Wednesday, August 23, 2017 1:35 PM To: Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com">Napoleon.Wang@amd.com</a>>; <a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a> Cc: Lin, Will <<a href="mailto:Will.Lin@amd.com">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com"> chih.ho@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com"> rabbit_tsao@compal.com</a>; <a href="mailto:kevin.lu@canonical.com">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; <a href="mailto:Zorro.Zhang@dell.com">Zorro.Zhang@dell.com</a>; <a href="mailto:yc.cheng@canonical.com"> yc.cheng@canonical.com</a>; <a href="mailto:ethan.hsieh@canonical.com">ethan.hsieh@canonical.com</a>; <a href="mailto:cyrus.lien@canonical.com">cyrus.lien@canonical.com</a> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Dell - Internal Use - Confidential <o:p></o:p> Hi Napoleon,<o:p></o:p> We use UMA driver, no this issue occur. Intel will refute your conclusion with this argument.<o:p></o:p> Please explain us the following lifecycle of render output. If necessary I will bring Intel and AMD together.<o:p></o:p> <o:p> </o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Napoleon [<a href="mailto:Napoleon.Wang@amd.com">mailto:Napoleon.Wang@amd.com</a>] Sent: Tuesday, August 22, 2017 10:26 PM To: Emily Chien <<a href="mailto:emily.chien@canonical.com">emily.chien@canonical.com</a>> Cc: Zhang1, Alex <<a href="mailto:Alex_Zhang1@Dell.com">Alex_Zhang1@Dell.com</a>>; Lin, Will <<a href="mailto:Will.Lin@amd.com">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com"> rabbit_tsao@compal.com</a>; <a href="mailto:kevin.lu@canonical.com">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; Zhang, Zorro <<a href="mailto:Zorro_Zhang@Dell.com">Zorro_Zhang@Dell.com</a>>; YC Cheng <<a href="mailto:yc.cheng@canonical.com">yc.cheng@canonical.com</a>>; Ethan Hsieh <<a href="mailto:ethan.hsieh@canonical.com">ethan.hsieh@canonical.com</a>>; cyrus <<a href="mailto:cyrus.lien@canonical.com">cyrus.lien@canonical.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p> </o:p> Hi Emily<o:p></o:p> <o:p> </o:p> The upstream 4.4 kernel is definitely too old to avoid the tearing. <o:p></o:p> Unless Canonical is backporting the needed PRIME synchronization related changes from the >= 4.9 i915 & amdgpu drivers, that would explain the tearing.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> The issue is still there with all below settings.<o:p></o:p> R600_DEBUG=nodcc<o:p></o:p> R600_DEBUG=nodma<o:p></o:p> R600_DEBUG=nodma,nodcc<o:p></o:p> R600_DEBUG=notiling<o:p></o:p> R600_DEBUG=notiling,nodma<o:p></o:p> <o:p> </o:p> I suppose it's Intel's issue, as the gears with DRI3 works well without compiz.<o:p></o:p> corruption (as well as the tearing) only occurs with a compositing<o:p></o:p> manager (compiz), not without. But that only makes a difference on the<o:p></o:p> Intel GPU side, the AMD GPU side works exactly the same way in both<o:p></o:p> cases.<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p> Napoleon Wang <img border="0" width="14" height="14" id="_x0000_i1032" src="cid:image002.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O +(886) 2-3789-3376 M +(886) 939-893-320 <img border="0" width="69" height="23" id="_x0000_i1033" src="cid:image003.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD">facebook</a> | <a href="http://www.amd.com/">amd.com</a><o:p></o:p> <o:p> </o:p> From: Emily Chien [<a href="mailto:emily.chien@canonical.com">mailto:emily.chien@canonical.com</a>] Sent: Tuesday, August 22, 2017 6:25 PM To: Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com">Napoleon.Wang@amd.com</a>> Cc: <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a>; Lin, Will <<a href="mailto:Will.Lin@amd.com">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com">chih.ho@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com"> rabbit_tsao@compal.com</a>; <a href="mailto:kevin.lu@canonical.com">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com">Darren.Powell@amd.com</a>>; <a href="mailto:Zorro.Zhang@dell.com">Zorro.Zhang@dell.com</a>; YC Cheng <<a href="mailto:yc.cheng@canonical.com">yc.cheng@canonical.com</a>>; Ethan Hsieh <<a href="mailto:ethan.hsieh@canonical.com">ethan.hsieh@canonical.com</a>>; cyrus <<a href="mailto:cyrus.lien@canonical.com">cyrus.lien@canonical.com</a>> Subject: Re: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> <o:p> </o:p> <div> <div> Hi Napoleon,<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> To clarify a bit further, when we mentioned tearing issue is gone with 4.10, 4.10 is using amdgpu open source driver. 4.4 is using amd dkms driver.<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> 4.4 kernel + amdgpu-pro, 17.10-414273 (dkms) => reproduced tearing<o:p></o:p> </div> <div> 4.10 kernel (4.10 built-in amdgpu driver) => tearing issue not reproduced<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> It will need AMD to investigate further what is the difference between the dkms driver and the 4.10 built-in driver.<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Thank you.<o:p></o:p> </div> <div> Emily<o:p></o:p> </div> <div> <o:p> </o:p> </div> </div> <div> <o:p> </o:p> <div> On Tue, Aug 22, 2017 at 5:23 PM, Emily Chien <<a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>> wrote:<o:p></o:p> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"> <div> <div> Hi Napoleon,<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> As Timo put, tearing issue is gone with 4.10; while the corruption issue still remained.<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> If you already have a Launchpad account, I could subscribe you to these two issues for transparency.<o:p></o:p> </div> <div> Can you share what is your launchpad account id?<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Corruption issue (original reported as tearing) [EXT-15760<o:p></o:p> <div> ]<o:p></o:p> </div> - <a href="https://bugs.launchpad.net/somerville/+bug/1698268" target="_blank">https://bugs.launchpad.net/somerville/+bug/1698268</a> <o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Tearing issue - <a href="https://bugs.launchpad.net/somerville/+bug/1711328" target="_blank">https://bugs.launchpad.net/somerville/+bug/1711328</a><o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> FYI. Timo is our HWE engineer and his comments is based on our input on launchpad bugs.<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> Thank you.<o:p></o:p> </div> <div> Emily<o:p></o:p> </div> <div> <o:p> </o:p> </div> <div> <o:p> </o:p> </div> </div> <div> <div> <div> <o:p> </o:p> <div> On Tue, Aug 22, 2017 at 5:07 PM, Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>> wrote:<o:p></o:p> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"> <div> <div> Hi Emily<o:p></o:p> <o:p></o:p> Can you confirm if tearing is gone at Kernel 4.10 ?<o:p></o:p> <o:p></o:p> Napoleon Wang <img border="0" width="9" height="9" id="_x0000_i1034" src="cid:image005.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O <a href="tel:+886%202%203789%203376" target="_blank">+(886) 2-3789-3376</a> M <a href="tel:+886%20939%20893%20320" target="_blank">+(886) 939-893-320</a> <img border="0" width="46" height="15" id="_x0000_i1035" src="cid:image006.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD" target="_blank">facebook</a> | <a href="http://www.amd.com/" target="_blank">amd.com</a><o:p></o:p> <o:p></o:p> From: Emily Chien [mailto:<a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>] Sent: Tuesday, August 22, 2017 5:03 PM To: Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>> Cc: <a href="mailto:Alex.Zhang1@Dell.com">Alex.Zhang1@Dell.com</a>; Lin, Will <<a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a>>; <a href="mailto:Zorro.Zhang@dell.com" target="_blank">Zorro.Zhang@dell.com</a>; YC Cheng <<a href="mailto:yc.cheng@canonical.com" target="_blank">yc.cheng@canonical.com</a>><o:p></o:p> <div> <div> Subject: Re: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <div> <div> <o:p></o:p> <div> <div> Hi Napoleon,<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> We are shipping with 4.4 kernel for Loki/Armani platforms.<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> Thank you.<o:p></o:p> </div> <div> Emily<o:p></o:p> </div> </div> <div> <o:p></o:p> <div> On Tue, Aug 22, 2017 at 4:59 PM, Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>> wrote:<o:p></o:p> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"> <div> <div> Hi Emily/Alex<o:p></o:p> <o:p></o:p> <a href="https://bugs.freedesktop.org/show_bug.cgi?id=101691#c27" target="_blank">https://bugs.freedesktop.org/show_bug.cgi?id=101691#c27</a><o:p></o:p> <o:p></o:p> <img border="0" width="682" height="129" id="_x0000_i1036" src="cid:image007.png@01D3217D.B41F38D0" alt="cid:image008.png@01D320EE.BFE3F7D0"><o:p></o:p> <o:p></o:p> Tearing is gone with Kernel 4.10, which kernel are you plan to ship with Dell Loki/Armani projects?<o:p></o:p> <o:p></o:p> Napoleon Wang <img border="0" width="9" height="9" id="_x0000_i1037" src="cid:image005.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O <a href="tel:+886%202%203789%203376" target="_blank">+(886) 2-3789-3376</a> M <a href="tel:+886%20939%20893%20320" target="_blank">+(886) 939-893-320</a> <img border="0" width="46" height="15" id="_x0000_i1038" src="cid:image006.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD" target="_blank">facebook</a> | <a href="http://www.amd.com/" target="_blank">amd.com</a><o:p></o:p> <o:p></o:p> From: Emily Chien [mailto:<a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>] Sent: Wednesday, August 9, 2017 4:53 PM To: Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>> Cc: <a href="mailto:Alex.Zhang1@Dell.com" target="_blank">Alex.Zhang1@Dell.com</a>; Lin, Will <<a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a>>; <a href="mailto:Zorro.Zhang@dell.com" target="_blank">Zorro.Zhang@dell.com</a> Subject: Re: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> <div> <div> <o:p></o:p> <div> <div> Hi Napoleon,<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> Is there update on this issue from your SW team?<o:p></o:p> </div> <div> <o:p></o:p> </div> <div> Thank you.<o:p></o:p> </div> <div> Emily<o:p></o:p> </div> </div> </div> </div> <div> <o:p></o:p> <div> <div> <div> On Thu, Aug 3, 2017 at 1:59 PM, Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>> wrote:<o:p></o:p> </div> </div> <blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt"> <div> <div> <div> <div> Hi Alex<o:p></o:p> <o:p></o:p> I will follow up with SW team tonight <o:p></o:p> <o:p></o:p> <div> Napoleon Wang <img border="0" width="14" height="14" id="_x0000_i1039" src="cid:image002.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O <a href="tel:+886%202%203789%203376" target="_blank">+(886) 2-3789-3376</a> M <a href="tel:+886%20939%20893%20320" target="_blank">+(886) 939-893-320</a> <img border="0" width="69" height="23" id="_x0000_i1040" src="cid:image003.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD" target="_blank">facebook</a> | <a href="http://www.amd.com/" target="_blank">amd.com</a><o:p></o:p> </div> <o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: <a href="mailto:Alex.Zhang1@Dell.com" target="_blank">Alex.Zhang1@Dell.com</a> [mailto:<a href="mailto:Alex.Zhang1@Dell.com" target="_blank">Alex.Zhang1@Dell.com</a>] Sent: Thursday, August 3, 2017 1:49 PM To: Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>>; NoReply-JIRA <<a href="mailto:NoReply-JIRA@amd.com" target="_blank">NoReply-JIRA@amd.com</a>>; Lin, Will <<a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; <a href="mailto:kent.lin@canonical.com" target="_blank">kent.lin@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a>><o:p></o:p> <div> <div> Cc: <a href="mailto:Zorro.Zhang@dell.com" target="_blank">Zorro.Zhang@dell.com</a> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> </div> </div> </div> </div> <div> <div> <div> <div> <o:p></o:p> Dell - Internal Use - Confidential <o:p></o:p> Hi Napoleon,<o:p></o:p> Is there any reply from your team?<o:p></o:p> <o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> <a name="m_2086843425197398972_m_9045884479671348"></a>From: Zhang1, Alex Sent: Monday, July 31, 2017 5:54 PM To: 'Wang, Napoleon' <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>>; NoReply-JIRA <<a href="mailto:NoReply-JIRA@amd.com" target="_blank">NoReply-JIRA@amd.com</a>>; Lin, Will <<a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; <a href="mailto:kent.lin@canonical.com" target="_blank">kent.lin@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a>> Cc: Zhang, Zorro <<a href="mailto:Zorro_Zhang@Dell.com" target="_blank">Zorro_Zhang@Dell.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p></o:p> Dell - Internal Use - Confidential <o:p></o:p> Thanks Napoleon.<o:p></o:p> As our schedule plan, we will release final driver version on 8/10, so it is appreciated if you can provide a workable solution before 8/8, so we can have an internal test. <o:p></o:p> <o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Wang, Napoleon [<a href="mailto:Napoleon.Wang@amd.com" target="_blank">mailto:Napoleon.Wang@amd.com</a>] Sent: Monday, July 31, 2017 5:37 PM To: Zhang1, Alex <<a href="mailto:Alex_Zhang1@Dell.com" target="_blank">Alex_Zhang1@Dell.com</a>>; NoReply-JIRA <<a href="mailto:NoReply-JIRA@amd.com" target="_blank">NoReply-JIRA@amd.com</a>>; Lin, Will <<a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; <a href="mailto:kent.lin@canonical.com" target="_blank">kent.lin@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a>> Cc: Zhang, Zorro <<a href="mailto:Zorro_Zhang@Dell.com" target="_blank">Zorro_Zhang@Dell.com</a>> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p></o:p> Hi Alex<o:p></o:p> <o:p></o:p> I will check with our Internal SW team<o:p></o:p> <o:p></o:p> <div> Napoleon Wang <img border="0" width="9" height="9" id="_x0000_i1041" src="cid:image005.png@01D3217D.B41F38D0" alt="Description: Description: Description: green"> Program Management | AMD CE Taiwan 6F, No.3 YuanCyu Street, NanKang Software Park, <o:p></o:p> Taipei 115, Taiwan O <a href="tel:+886%202%203789%203376" target="_blank">+(886) 2-3789-3376</a> M <a href="tel:+886%20939%20893%20320" target="_blank">+(886) 939-893-320</a> <img border="0" width="46" height="15" id="_x0000_i1042" src="cid:image006.png@01D3217D.B41F38D0" alt="Description: Description: Description: image004"> <a href="https://www.facebook.com/AMD" target="_blank">facebook</a> | <a href="http://www.amd.com/" target="_blank">amd.com</a><o:p></o:p> </div> <o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: <a href="mailto:Alex.Zhang1@Dell.com" target="_blank">Alex.Zhang1@Dell.com</a> [<a href="mailto:Alex.Zhang1@Dell.com" target="_blank">mailto:Alex.Zhang1@Dell.com</a>] Sent: Monday, July 31, 2017 3:48 PM To: NoReply-JIRA <<a href="mailto:NoReply-JIRA@amd.com" target="_blank">NoReply-JIRA@amd.com</a>>; Lin, Will <<a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; Wang, Napoleon <<a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>>; <a href="mailto:kent.lin@canonical.com" target="_blank">kent.lin@canonical.com</a>; Wu, Frasier <<a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; Powell, Darren <<a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a>> Cc: <a href="mailto:Zorro.Zhang@dell.com" target="_blank">Zorro.Zhang@dell.com</a> Subject: RE: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p></o:p> Dell - Internal Use - Confidential <o:p></o:p> Hi AMDs,<o:p></o:p> Could you please help to check this issue? There might be some connection between this issue and AMD dpm function.<o:p></o:p> Thanks<o:p></o:p> <o:p></o:p> <div> <div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in"> From: Emily Chien (JIRA) [<a href="mailto:NoReply-JIRA@amd.com" target="_blank">mailto:NoReply-JIRA@amd.com</a>] Sent: Monday, July 31, 2017 11:04 AM To: <a href="mailto:Will.Lin@amd.com" target="_blank">Will.Lin@amd.com</a>; <a href="mailto:chih.ho@canonical.com" target="_blank">chih.ho@canonical.com</a>; <a href="mailto:Napoleon.Wang@amd.com" target="_blank">Napoleon.Wang@amd.com</a>; <a href="mailto:kent.lin@canonical.com" target="_blank">kent.lin@canonical.com</a>; <a href="mailto:Frasier.Wu@amd.com" target="_blank">Frasier.Wu@amd.com</a>; Zhang1, Alex <<a href="mailto:Alex_Zhang1@Dell.com" target="_blank">Alex_Zhang1@Dell.com</a>>; <a href="mailto:jeffp_wang@compal.com" target="_blank">jeffp_wang@compal.com</a>; <a href="mailto:rabbit_tsao@compal.com" target="_blank">rabbit_tsao@compal.com</a>; <a href="mailto:emily.chien@canonical.com" target="_blank">emily.chien@canonical.com</a>; <a href="mailto:kevin.lu@canonical.com" target="_blank">kevin.lu@canonical.com</a>; <a href="mailto:Darren.Powell@amd.com" target="_blank">Darren.Powell@amd.com</a> Subject: (EXT-15760) [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]<o:p></o:p> </div> </div> <o:p></o:p> </div> </div> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;background:whitesmoke;border-collapse:collapse"> <tbody> <tr> <td style="padding:7.5pt 15.0pt 7.5pt 15.0pt"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse"> <tbody> <tr> <td width="32" valign="top" style="width:24.0pt;padding:0in 6.0pt 0in 0in"></td> <td style="padding:0in 0in 0in 0in" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386header-text-container"> <a href="https://ontrack.amd.com/secure/ViewProfile.jspa?name=emily.chien%40canonical.com" target="_blank" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386email_emily.chien@canonical.com">Emily Chien</a> commented on <a href="https://ontrack.amd.com/browse/EXT-15760" target="_blank"><img border="0" width="16" height="16" id="_x0000_i1043" src="cid:image008.png@01D3217D.B41F38D0" alt="Ticket">EXT-15760</a> <o:p></o:p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td style="padding:0in 15.0pt 0in 15.0pt" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386email-content-container"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;border-collapse:collapse;border-spacing:0" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386email-content-table"> <tbody> <tr style="height:7.5pt"> <td style="border:solid #CCCCCC 1.0pt;border-bottom:none;background:white;padding:0in 11.25pt 0in 12.0pt;height:7.5pt;border-spacing:0"> <o:p></o:p> </td> </tr> <tr> <td style="border-top:none;border-left:solid #CCCCCC 1.0pt;border-bottom:none;border-right:solid #CCCCCC 1.0pt;background:white;padding:0in 11.25pt 0in 12.0pt"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;border-collapse:collapse"> <tbody> <tr> <td valign="top" style="padding:0in 3.75pt 0in 0in"> <a href="https://ontrack.amd.com/browse/EXT-15760" target="_blank">Re: [I+A] DRI_PRIME=1 glxgears tearing [8086:5917][1002:6900]</a> <o:p></o:p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td style="border-top:none;border-left:solid #CCCCCC 1.0pt;border-bottom:none;border-right:solid #CCCCCC 1.0pt;background:white;padding:0in 11.25pt 0in 12.0pt" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386text-paragraph-pattern-top"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;border-collapse:collapse"> <tbody> <tr> <td style="padding:0in 0in 7.5pt 0in"> We still need AMD to investigate on this issue.<o:p></o:p> Here are further findings:<o:p></o:p> 1. Cannot reproduce the issue in DC mode. 2. Cyrus cannot reproduce the issue in AC and DC mode after he adds "amdpgu.dpm=0" into kernel command line.<o:p></o:p> Test Environment: 1. Image: dell-bto-xenial-loki-13-armani-13-14-X75-iso-20170713-0.iso 2. Platform: ANM4-DVT1-C2 (201707-25595) (5917), LOIT5-DVT1-C2 (201706-25560) (5917)<o:p></o:p> Test Result [8086:5917]:<o:p></o:p> 1. AC Mode: $ DRI_PRIME=1 glxgear -fullscreen: tearing $ DRI_PRIME=1 glxgear: tearing<o:p></o:p> 2. DC Mode: $ DRI_PRIME=1 glxgear -fullscreen: tearing $ DRI_PRIME=1 glxgear: PASS<o:p></o:p> 3. AC Mode + amdgpu.dpm=0: $ DRI_PRIME=1 glxgear -fullscreen: PASS $ DRI_PRIME=1 glxgear: PASS<o:p></o:p> 4. DC Mode + amdgpu.dpm=0: $ DRI_PRIME=1 glxgear -fullscreen: PASS $ DRI_PRIME=1 glxgear: PASS<o:p></o:p> </td> </tr> </tbody> </table> </td> </tr> <tr> <td style="border-top:none;border-left:solid #CCCCCC 1.0pt;border-bottom:none;border-right:solid #CCCCCC 1.0pt;background:white;padding:0in 11.25pt 0in 12.0pt" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386actions-pattern-container"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;border-collapse:collapse" id="m_2086843425197398972m_9045884479671348316m_1880701380851764697m_3236600084616602386actions-pattern"> <tbody> <tr> <td style="padding:7.5pt 0in 7.5pt 0in"> <table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" align="left" style="border-collapse:collapse"> <tbody> <tr> <td style="padding:0in 0in 0in 0in"> <a href="https://ontrack.amd.com/browse/EXT-15760#add-comment" target="_blank" title="Add Comment"><img 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</tbody> </table> </td> </tr> </tbody> </table> </td> </tr> </tbody> </table> <o:p></o:p> </div> </div> </div> </div> </blockquote> </div> <div> <div> <o:p></o:p> <div> <o:p></o:p> </div> -- <o:p></o:p> <div> <div> <o:p></o:p> <div> <pre>-- <o:p></o:p></pre> <pre>Emily Chien<o:p></o:p></pre> <pre>Project Manager<o:p></o:p></pre> <pre>Canonical Group Ltd.<o:p></o:p></pre> <pre><a href="mailto:e-mail%3Aemily.chien@canonical.com" target="_blank">e-mail:emily.chien@canonical.com</a> Tel: <a href="tel:+886%202%208729%206815" target="_blank">+886-2-8729-6815</a> Ubuntu | <a href="http://www.ubuntu.com" target="_blank">www.ubuntu.com</a><o:p></o:p></pre> </div> </div> </div> </div> </div> </div> </div> </div> </blockquote> </div> <o:p></o:p> <div> <o:p></o:p> </div> -- <o:p></o:p> <div> <div> <o:p></o:p> <div> <pre>-- <o:p></o:p></pre> <pre>Emily Chien<o:p></o:p></pre> <pre>Project Manager<o:p></o:p></pre> <pre>Canonical Group Ltd.<o:p></o:p></pre> <pre><a href="mailto:e-mail%3Aemily.chien@canonical.com" target="_blank">e-mail:emily.chien@canonical.com</a> Tel: <a href="tel:+886%202%208729%206815" target="_blank">+886-2-8729-6815</a> Ubuntu | <a href="http://www.ubuntu.com" target="_blank">www.ubuntu.com</a><o:p></o:p></pre> </div> </div> </div> </div> </div> </div> </div> </div> </blockquote> </div> <o:p></o:p> <div> <o:p> </o:p> </div> -- <o:p></o:p> <div> <div> <o:p> </o:p> <div> <pre>-- <o:p></o:p></pre> <pre>Emily Chien<o:p></o:p></pre> <pre>Project Manager<o:p></o:p></pre> <pre>Canonical Group Ltd.<o:p></o:p></pre> <pre><a href="mailto:e-mail%3Aemily.chien@canonical.com" target="_blank">e-mail:emily.chien@canonical.com</a> Tel: <a href="tel:+886%202%208729%206815" target="_blank">+886-2-8729-6815</a> Ubuntu | <a href="http://www.ubuntu.com" target="_blank">www.ubuntu.com</a><o:p></o:p></pre> </div> </div> </div> </div> </div> </div> </blockquote> </div> <o:p></o:p> <div> <o:p> </o:p> </div> -- <o:p></o:p> <div> <div> <o:p> </o:p> <div> <pre>-- <o:p></o:p></pre> <pre>Emily Chien<o:p></o:p></pre> <pre>Project Manager<o:p></o:p></pre> <pre>Canonical Group Ltd.<o:p></o:p></pre> <pre><a href="mailto:e-mail%3Aemily.chien@canonical.com" target="_blank">e-mail:emily.chien@canonical.com</a> Tel: +886-2-8729-6815 Ubuntu | <a href="http://www.ubuntu.com" target="_blank">www.ubuntu.com</a><o:p></o:p></pre> </div> </div> </div> </div> </div> </div> </body> </html>