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[Public]
Series is:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Yifan Zhang <yifan1.zhang@xxxxxxx>
Sent: Thursday, March 3, 2022 3:05 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Zhang, Yifan <Yifan1.Zhang@xxxxxxx>; Kuehling, Felix <Felix.Kuehling@xxxxxxx> Subject: [PATCH 2/2] drm/amdkfd: implement get_atc_vmid_pasid_mapping_info for gfx10.3 This patch implements get_atc_vmid_pasid_mapping_info for gfx10.3
Signed-off-by: Yifan Zhang <yifan1.zhang@xxxxxxx> --- .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c index e9c80ce13f3e..ba21ec6b35e0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c @@ -26,6 +26,8 @@ #include "gc/gc_10_3_0_sh_mask.h" #include "oss/osssys_5_0_0_offset.h" #include "oss/osssys_5_0_0_sh_mask.h" +#include "athub/athub_2_1_0_offset.h" +#include "athub/athub_2_1_0_sh_mask.h" #include "soc15_common.h" #include "v10_structs.h" #include "nv.h" @@ -606,6 +608,18 @@ static int wave_control_execute_v10_3(struct amdgpu_device *adev, return 0; } +static bool get_atc_vmid_pasid_mapping_info_v10_3(struct amdgpu_device *adev, + uint8_t vmid, uint16_t *p_pasid) +{ + uint32_t value; + + value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + + vmid); + *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK; + + return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK); +} + static void set_vm_context_page_table_base_v10_3(struct amdgpu_device *adev, uint32_t vmid, uint64_t page_table_base) { @@ -788,7 +802,7 @@ const struct kfd2kgd_calls gfx_v10_3_kfd2kgd = { .hqd_destroy = hqd_destroy_v10_3, .hqd_sdma_destroy = hqd_sdma_destroy_v10_3, .wave_control_execute = wave_control_execute_v10_3, - .get_atc_vmid_pasid_mapping_info = NULL, + .get_atc_vmid_pasid_mapping_info = get_atc_vmid_pasid_mapping_info_v10_3, .set_vm_context_page_table_base = set_vm_context_page_table_base_v10_3, .program_trap_handler_settings = program_trap_handler_settings_v10_3, #if 0 -- 2.25.1 |
