From ea2d2f8ececdd4c778b66e19b82ce278dfc5e1c4 Mon Sep 17 00:00:00 2001 From: Rajneesh Bhardwaj Date: Tue, 5 Apr 2022 13:00:13 -0400 Subject: drm/amdgpu: detect current GPU memory partition mode - Add helpers to detect the current GPU memory partition. - Add current memory partition mode sysfs node. Tested-by: Ori Messinger Reviewed-by: Felix Kuehling Signed-off-by: Rajneesh Bhardwaj Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h index 789115f5505f..e37501685fa9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -71,6 +71,14 @@ enum amdgpu_pkg_type { AMDGPU_PKG_TYPE_UNKNOWN, }; +enum amdgpu_memory_partition { + UNKNOWN_MEMORY_PARTITION_MODE = 0, + AMDGPU_NPS1_PARTITION_MODE = 1, + AMDGPU_NPS2_PARTITION_MODE = 2, + AMDGPU_NPS4_PARTITION_MODE = 3, + AMDGPU_NPS8_PARTITION_MODE = 4, +}; + struct amdgpu_mec { struct amdgpu_bo *hpd_eop_obj; u64 hpd_eop_gpu_addr; @@ -268,6 +276,8 @@ struct amdgpu_gfx_funcs { struct amdgpu_gfx_shadow_info *shadow_info); enum amdgpu_gfx_partition (*query_partition_mode)(struct amdgpu_device *adev); + enum amdgpu_memory_partition + (*query_mem_partition_mode)(struct amdgpu_device *adev); int (*switch_partition_mode)(struct amdgpu_device *adev, enum amdgpu_gfx_partition mode); }; @@ -404,6 +414,7 @@ struct amdgpu_gfx { enum amdgpu_gfx_partition partition_mode; uint16_t xcc_mask; + enum amdgpu_memory_partition mem_partition_mode; uint32_t num_xcc_per_xcp; struct mutex partition_mutex; }; -- cgit