Commit c6fd980a authored by Oak Zeng's avatar Oak Zeng Committed by Alex Deucher
Browse files

drm/amdkfd: Shift sdma_engine_id and sdma_queue_id in mqd 



FW of some new ASICs requires sdma mqd size to be not more than
128 dwords. Repurpose the last 2 reserved fields of sdma mqd for
driver internal use, so the total mqd size is no bigger than 128
dwords

Signed-off-by: default avatarOak Zeng <ozeng@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 323c71df

drivers/gpu/drm/amd/include/cik_structs.h

+1 −2
Original line number Diff line number Diff line
@@ -282,8 +282,7 @@ struct cik_sdma_rlc_registers { 
	uint32_t reserved_123;

	uint32_t reserved_124;

	uint32_t reserved_125;

	uint32_t reserved_126;

	uint32_t reserved_127;

	/* reserved_126,127: repurposed for driver-internal use */

	uint32_t sdma_engine_id;

	uint32_t sdma_queue_id;

};

drivers/gpu/drm/amd/include/v9_structs.h

+1 −2
Original line number Diff line number Diff line
@@ -151,8 +151,7 @@ struct v9_sdma_mqd { 
	uint32_t reserved_123;

	uint32_t reserved_124;

	uint32_t reserved_125;

	uint32_t reserved_126;

	uint32_t reserved_127;

	/* reserved_126,127: repurposed for driver-internal use */

	uint32_t sdma_engine_id;

	uint32_t sdma_queue_id;

};

drivers/gpu/drm/amd/include/vi_structs.h

+1 −2
Original line number Diff line number Diff line
@@ -151,8 +151,7 @@ struct vi_sdma_mqd { 
	uint32_t reserved_123;

	uint32_t reserved_124;

	uint32_t reserved_125;

	uint32_t reserved_126;

	uint32_t reserved_127;

	/* reserved_126,127: repurposed for driver-internal use */

	uint32_t sdma_engine_id;

	uint32_t sdma_queue_id;

};