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drm/amdkfd: Unify gfx9/gfx10 context save area layouts

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Add some padding before the MODE register in the HWREGs block to
preserve the same layout as gfx9. This simplifies implementation of a
user-mode debugger.

Signed-off-by: Laurent Morichetti <laurent.morichetti@amd.com>
Reviewed-by: Jay Cornwall <jay.cornwall@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Laurent Morichetti
2020-07-06 16:13:40 -07:00
committed by Alex Deucher
parent 26cfd12b5e
commit 0a5baee415
2 changed files with 487 additions and 483 deletions
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968
drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h
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File diff suppressed because it is too large Load Diff

2
drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm
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@@ -407,6 +407,7 @@ L_SAVE_HWREG:
// Not used on Sienna_Cichlid but keep layout same for debugger.
write_hwreg_to_mem(s_save_xnack_mask, s_save_buf_rsrc0, s_save_mem_offset)
s_add_u32 s_save_mem_offset, s_save_mem_offset, 4
s_getreg_b32 s_save_m0, hwreg(HW_REG_MODE)
write_hwreg_to_mem(s_save_m0, s_save_buf_rsrc0, s_save_mem_offset)
@@ -912,6 +913,7 @@ L_RESTORE_HWREG:
read_hwreg_from_mem(s_restore_status, s_restore_buf_rsrc0, s_restore_mem_offset)
read_hwreg_from_mem(s_restore_trapsts, s_restore_buf_rsrc0, s_restore_mem_offset)
read_hwreg_from_mem(s_restore_xnack_mask, s_restore_buf_rsrc0, s_restore_mem_offset)
s_add_u32 s_restore_mem_offset, s_restore_mem_offset, 4
read_hwreg_from_mem(s_restore_mode, s_restore_buf_rsrc0, s_restore_mem_offset)
read_hwreg_from_mem(s_restore_flat_scratch, s_restore_buf_rsrc0, s_restore_mem_offset)
s_waitcnt lgkmcnt(0)