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| author | Jay Cornwall <jay.cornwall@amd.com> | 2019-09-26 01:05:01 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-03 17:11:04 +0300 |
| commit | c18cc2bb9e064d3a613d8276f2cab3984926a779 (patch) | |
| tree | 53e01cd2ebd20f081ab1e4e7fe2cdd76f8399f59 /drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm | |
| parent | b2100ce1db91d65b3f90414777ec32dbc547bde1 (diff) | |
| download | linux-c18cc2bb9e064d3a613d8276f2cab3984926a779.tar.xz | |
drm/amdkfd: Fix race in gfx10 context restore handler
Missing synchronization with VGPR restore leads to intermittent
VGPR trashing in the user shader.
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Yong Zhao <Yong.Zhao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm index cdaa523ce6be..4433bda2ce25 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm @@ -758,6 +758,7 @@ L_RESTORE_V0: buffer_load_dword v1, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256 buffer_load_dword v2, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*2 buffer_load_dword v3, v0, s_restore_buf_rsrc0, s_restore_mem_offset_save slc:1 glc:1 offset:256*3 + s_waitcnt vmcnt(0) /* restore SGPRs */ //will be 2+8+16*6 |