From c6fd980ab154455df62adc89d81898d24654ab72 Mon Sep 17 00:00:00 2001 From: Oak Zeng Date: Tue, 4 Dec 2018 16:08:33 -0600 Subject: 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: Oak Zeng Reviewed-by: Felix Kuehling Signed-off-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/include/cik_structs.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/gpu/drm/amd/include/cik_structs.h') diff --git a/drivers/gpu/drm/amd/include/cik_structs.h b/drivers/gpu/drm/amd/include/cik_structs.h index 749eab94e335..699e658c3cec 100644 --- a/drivers/gpu/drm/amd/include/cik_structs.h +++ b/drivers/gpu/drm/amd/include/cik_structs.h @@ -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; }; -- cgit v1.2.3-70-g09d2