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| author | Ken Wang <Ken.Wang@amd.com> | 2017-09-14 16:25:19 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 15:14:06 -0400 |
| commit | 98512bb8c241f67f3a5cf0a121624b28a852db45 (patch) | |
| tree | 831cc54c989ba68a5ff44abc3b30e0a251296927 /drivers/gpu/drm/amd/amdgpu/soc15.c | |
| parent | 4135d9f82cd4c8d956ccc85063e24c468dc6fa63 (diff) | |
| download | linux-98512bb8c241f67f3a5cf0a121624b28a852db45.tar.gz linux-98512bb8c241f67f3a5cf0a121624b28a852db45.tar.bz2 linux-98512bb8c241f67f3a5cf0a121624b28a852db45.zip | |
drm/amdgpu: Add GPU reset functionality for Vega10
V2
Signed-off-by: Ken Wang <Ken.Wang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/soc15.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index f2c3a49f73a0..245a18aeb389 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -407,18 +407,27 @@ static int soc15_read_register(struct amdgpu_device *adev, u32 se_num, return -EINVAL; } -static void soc15_gpu_pci_config_reset(struct amdgpu_device *adev) +static int soc15_asic_reset(struct amdgpu_device *adev) { u32 i; - dev_info(adev->dev, "GPU pci config reset\n"); + amdgpu_atombios_scratch_regs_engine_hung(adev, true); + + dev_info(adev->dev, "GPU reset\n"); /* disable BM */ pci_clear_master(adev->pdev); - /* reset */ - amdgpu_pci_config_reset(adev); - udelay(100); + pci_save_state(adev->pdev); + + for (i = 0; i < AMDGPU_MAX_IP_NUM; i++) { + if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_PSP){ + adev->ip_blocks[i].version->funcs->soft_reset((void *)adev); + break; + } + } + + pci_restore_state(adev->pdev); /* wait for asic to come out of reset */ for (i = 0; i < adev->usec_timeout; i++) { @@ -430,14 +439,6 @@ static void soc15_gpu_pci_config_reset(struct amdgpu_device *adev) udelay(1); } -} - -static int soc15_asic_reset(struct amdgpu_device *adev) -{ - amdgpu_atombios_scratch_regs_engine_hung(adev, true); - - soc15_gpu_pci_config_reset(adev); - amdgpu_atombios_scratch_regs_engine_hung(adev, false); return 0; |