diff options
| author | Jay Cornwall <jay.cornwall@amd.com> | 2023-07-12 23:51:47 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-08 00:14:06 +0300 |
| commit | 05c899eacc0412bae0581add19c4062db8bdffda (patch) | |
| tree | fd2af9bfda2c5dfecccdc7ba32d3529a1a63cfe2 /drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm | |
| parent | 96c211f1f9ef82183493f4ceed4e347b52849149 (diff) | |
| download | linux-05c899eacc0412bae0581add19c4062db8bdffda.tar.xz | |
drm/amdkfd: Sign-extend TMA address in trap handler
SMEM instructions can reach addresses above 47 bits but require
bit 47 to be sign-extended through bits [63:48].
This allows the TMA to be relocated in a following patch.
Signed-off-by: Jay Cornwall <jay.cornwall@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@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 | 5 |
1 files changed, 5 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 8b92c33c2a7c..fdab64624422 100644 --- a/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm +++ b/drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm @@ -276,6 +276,11 @@ L_FETCH_2ND_TRAP: #endif s_lshl_b64 [ttmp14, ttmp15], [ttmp14, ttmp15], 0x8 + s_bitcmp1_b32 ttmp15, 0xF + s_cbranch_scc0 L_NO_SIGN_EXTEND_TMA + s_or_b32 ttmp15, ttmp15, 0xFFFF0000 +L_NO_SIGN_EXTEND_TMA: + s_load_dword ttmp2, [ttmp14, ttmp15], 0x10 glc:1 // debug trap enabled flag s_waitcnt lgkmcnt(0) s_lshl_b32 ttmp2, ttmp2, TTMP11_DEBUG_TRAP_ENABLED_SHIFT |