diff options
| author | Laurent Morichetti <laurent.morichetti@amd.com> | 2023-11-09 03:16:18 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-17 17:29:54 +0300 |
| commit | f4fac4163c2f99aada9cc60292f2ea377afe6c71 (patch) | |
| tree | 0a26af071456c7ff4ddf8969be89b4729703c2c9 /drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm | |
| parent | 8a1de314d1890793bbf9e77542574ceda007564e (diff) | |
| download | linux-f4fac4163c2f99aada9cc60292f2ea377afe6c71.tar.xz | |
drm/amdkfd: Clear the VALU exception state in the trap handler
The trap handler could be entered with pending VALU exceptions, so
clear the exception state before issuing vector instructions.
Reviewed-by: Jay Cornwall <jay.cornwall@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Laurent Morichetti <laurent.morichetti@amd.com>
Tested-by: Lancelot Six <lancelot.six@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 | 6 |
1 files changed, 6 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 fdab64624422..e0140df0b0ec 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm @@ -369,6 +369,12 @@ L_SLEEP: s_or_b32 s_save_pc_hi, s_save_pc_hi, s_save_tmp #if NO_SQC_STORE +#if ASIC_FAMILY <= CHIP_SIENNA_CICHLID + // gfx10: If there was a VALU exception, the exception state must be + // cleared before executing the VALU instructions below. + v_clrexcp +#endif + // Trap temporaries must be saved via VGPR but all VGPRs are in use. // There is no ttmp space to hold the resource constant for VGPR save. // Save v0 by itself since it requires only two SGPRs. |