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amd: implement conformant TRUNC_COORD behavior for gfx11

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For testing, the conformant behavior can be enabled by setting
conformant_trunc_coord to true manually and running this to enable
the conformant behavior in hw:
    umr -w *.*.regTA_CNTL2 0x40000

The layer index rounding and TRUNC_COORD resetting workarounds can disabled
in the shader compiler.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21525>
This commit is contained in:
Marek Olšák
2023-01-24 19:15:35 -05:00
committed by Marge Bot
parent 39fefeabee
commit df6380ddc9
11 changed files with 42 additions and 8 deletions
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1
include/drm-uapi/amdgpu_drm.h
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@@ -715,6 +715,7 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_IDS_FLAGS_FUSION 0x1
#define AMDGPU_IDS_FLAGS_PREEMPTION 0x2
#define AMDGPU_IDS_FLAGS_TMZ 0x4
#define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD 0x8
/* indicate if acceleration can be working */
#define AMDGPU_INFO_ACCEL_WORKING 0x00