| Summary: | setting SQ_LDS_RESOURCE_MGMT register to zero in other applications muddles up font rendering permanently | ||||||||||
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| Product: | DRI | Reporter: | Adam Rak <adam.rak> | ||||||||
| Component: | DRM/Radeon | Assignee: | Default DRI bug account <dri-devel> | ||||||||
| Status: | RESOLVED FIXED | QA Contact: | |||||||||
| Severity: | normal | ||||||||||
| Priority: | medium | ||||||||||
| Version: | XOrg 6.7.0 | ||||||||||
| Hardware: | x86-64 (AMD64) | ||||||||||
| OS: | Linux (All) | ||||||||||
| Whiteboard: | |||||||||||
| i915 platform: | i915 features: | ||||||||||
| Attachments: |
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Created attachment 48939 [details] [review] attempted fix. If I set the pixel shader part (lower 16 bits) of the register to 0x1000 in my code, than it works perfectly with X, so this patch should work, but what about mesa? Created attachment 48944 [details] [review] fix r600g emit SQ_LDS_RESOURCE_MGMT in r600g. Pushed the patches and also sent out drm blit patch. http://cgit.freedesktop.org/mesa/mesa/commit/?id=5d0d8366f9ab0ca4c52eb927ab476953daa77f1e http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=e8d0d437957b15252dfad775796a3949ed50dbcf A patch referencing this bug report has been merged in Linux v3.0: commit c61d0af9131976db150c40996a71387ba59edb67 Author: Alex Deucher <alexdeucher@gmail.com> Date: Tue Jul 12 11:53:23 2011 -0400 drm/radeon/kms/evergreen: emit SQ_LDS_RESOURCE_MGMT for blits |
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Created attachment 48938 [details] a screenshot of how the fonts look after setting SQ_LDS_RESOURCE_MGMT register to zero in other applications muddles up font rendering permanently, so permanently that not even X reset, or GPU softreset helped the issue after it happaned. In order to do GPGPU thing, I need to set this register, so this bug pretty much kills any chance that I do GPGPU and X on the same GPU.