| Bug ID | 111806 |
|---|---|
| Summary | VDPAU broken in radeonsi by commit 0692ae34e939845e5185d3bdd33ddfe4afcdb995 |
| Product | Mesa |
| Version | git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | not set |
| Priority | not set |
| Component | Drivers/Gallium/radeonsi |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | makosoft@googlemail.com |
| QA Contact | dri-devel@lists.freedesktop.org |
VDPAU support appears to be broken on radeonsi as of git commit 0692ae34e939845e5185d3bdd33ddfe4afcdb995 "ac: move ac_get_num_physical_sgprs into radeon_info". Trying to play back videos using MPV 0.29.1 with it enabled fails with the following error within libvdpau_radeon: "LLVM failed to compile a shader correctly: SGPR:VGPR usage is 56:20, but the hw limit is 0:0" (or 0:256 without the subsequent commit that does the same thing with ac_get_num_physical_vgprs). I assume that information about the limits isn't getting set properly for some reason. Tested with a Radeon HD 7770 on Linux 5.2 with mpv 0.29.1, ffmpeg 4.2.1, the radeon kernel driver, and xf86-video-ati 19.0.1.
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