diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 193d1655bd8c..dcab05744f56 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -144,6 +144,50 @@ const char *amdgpu_asic_name[] = { "LAST", }; +#define AMDGPU_IP_BLK_MASK_ALL GENMASK(AMDGPU_MAX_IP_NUM - 1, 0) +/* + * Default init level where all blocks are expected to be initialized. This is + * the level of initialization expected by default and also after a full reset + * of the device. + */ +struct amdgpu_init_level amdgpu_init_default = { + .level = AMDGPU_INIT_LEVEL_DEFAULT, + .hwini_ip_block_mask = AMDGPU_IP_BLK_MASK_ALL, +}; + +/* + * Minimal blocks needed to be initialized before a XGMI hive can be reset. This + * is used for cases like reset on initialization where the entire hive needs to + * be reset before first use. + */ +struct amdgpu_init_level amdgpu_init_minimal_xgmi = { + .level = AMDGPU_INIT_LEVEL_MINIMAL_XGMI, + .hwini_ip_block_mask = + BIT(AMD_IP_BLOCK_TYPE_GMC) | BIT(AMD_IP_BLOCK_TYPE_SMC) | + BIT(AMD_IP_BLOCK_TYPE_COMMON) | BIT(AMD_IP_BLOCK_TYPE_IH) +}; + +static inline bool amdgpu_ip_member_of_hwini(struct amdgpu_device *adev, + enum amd_ip_block_type block) +{ + return (adev->init_lvl->hwini_ip_block_mask & (1U << block)) != 0; +} + +void amdgpu_set_init_level(struct amdgpu_device *adev, + enum amdgpu_init_lvl_id lvl) +{ + switch (lvl) { + case AMDGPU_INIT_LEVEL_MINIMAL_XGMI: + adev->init_lvl = &amdgpu_init_minimal_xgmi; + break; + case AMDGPU_INIT_LEVEL_DEFAULT: + fallthrough; + default: + adev->init_lvl = &amdgpu_init_default; + break; + } +} + static inline void amdgpu_device_stop_pending_resets(struct amdgpu_device *adev); /** @@ -2655,6 +2699,9 @@ static int amdgpu_device_ip_hw_init_phase1(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hw) continue; + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) + continue; if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON || (amdgpu_sriov_vf(adev) && (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP)) || adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_IH) { @@ -2680,6 +2727,9 @@ static int amdgpu_device_ip_hw_init_phase2(struct amdgpu_device *adev) continue; if (adev->ip_blocks[i].status.hw) continue; + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) + continue; r = adev->ip_blocks[i].version->funcs->hw_init(adev); if (r) { DRM_ERROR("hw_init of IP block <%s> failed %d\n", @@ -2703,6 +2753,10 @@ static int amdgpu_device_fw_loading(struct amdgpu_device *adev) if (adev->ip_blocks[i].version->type != AMD_IP_BLOCK_TYPE_PSP) continue; + if (!amdgpu_ip_member_of_hwini(adev, + AMD_IP_BLOCK_TYPE_PSP)) + break; + if (!adev->ip_blocks[i].status.sw) continue; @@ -2825,6 +2879,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) } adev->ip_blocks[i].status.sw = true; + if (!amdgpu_ip_member_of_hwini( + adev, adev->ip_blocks[i].version->type)) + continue; + if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) { /* need to do common hw init early so everything is set up for gmc */ r = adev->ip_blocks[i].version->funcs->hw_init((void *)adev); @@ -4215,6 +4273,12 @@ int amdgpu_device_init(struct amdgpu_device *adev, amdgpu_device_set_mcbp(adev); + /* + * By default, use default mode where all blocks are expected to be + * initialized. At present a 'swinit' of blocks is required to be + * completed before the need for a different level is detected. + */ + amdgpu_set_init_level(adev, AMDGPU_INIT_LEVEL_DEFAULT); /* early init functions */ r = amdgpu_device_ip_early_init(adev); if (r) @@ -5414,6 +5478,8 @@ int amdgpu_do_asic_reset(struct list_head *device_list_handle, } list_for_each_entry(tmp_adev, device_list_handle, reset_list) { + /* After reset, it's default init level */ + amdgpu_set_init_level(tmp_adev, AMDGPU_INIT_LEVEL_DEFAULT); if (need_full_reset) { /* post card */ amdgpu_ras_set_fed(tmp_adev, false); |