drm/amdkfd: Sign-extend TMA address in trap handler

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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>

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Jay Cornwall 2023-07-12 15:51:47 -05:00 • committed by Alex Deucher

parent 96c211f1f9

commit 05c899eacc

3 changed files with 46 additions and 22 deletions

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58

drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler.h

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5

drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx10.asm

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5

drivers/gpu/drm/amd/amdkfd/cwsr_trap_handler_gfx9.asm

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