From 4db6f200a5fef12666ab66e54bacb65c5d675e9d Mon Sep 17 00:00:00 2001 From: Lijo Lazar Date: Wed, 29 Jun 2022 16:26:49 +0530 Subject: [PATCH] drm/amdgpu: Add mask for SDMA instances Add a mask of SDMA instances available for use. On certain ASIC configs, not all SDMA instances are available for software use. v2: Change sdma mask type to uint32_t (Le) Signed-off-by: Lijo Lazar Reviewed-by: Hawking Zhang Reviewed-by: Le Ma Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h index 632b77138fe40..62afb282a3ff1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h @@ -48,6 +48,8 @@ enum amdgpu_sdma_irq { AMDGPU_SDMA_IRQ_LAST }; +#define NUM_SDMA(x) hweight32(x) + struct amdgpu_sdma_instance { /* SDMA firmware */ const struct firmware *fw; @@ -75,6 +77,7 @@ struct amdgpu_sdma { struct amdgpu_irq_src srbm_write_irq; int num_instances; + uint32_t sdma_mask; int num_inst_per_aid; uint32_t srbm_soft_reset; bool has_page_queue; -- 2.30.2