diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2017-07-06 13:38:09 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 11:06:27 -0400 |
| commit | 12097c6d67ba851d7eea7ab82b7ba70019347bfd (patch) | |
| tree | 03a6251a2f19de63bb58da100ee1845a9a90c346 /drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | |
| parent | 9b7b8154cdb8225cbef2f470285fd97ddbd34a44 (diff) | |
drm/amdgpu: add nbio 6.1 register init function
Used for nbio registers that need to be initialized. Currently
only used for a golden setting that got missed on some boards.
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/nbio_v6_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c index 61c00281a61b..045988b18bc3 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c @@ -32,6 +32,7 @@ #define smnCPM_CONTROL 0x11180460 #define smnPCIE_CNTL2 0x11180070 +#define smnPCIE_CONFIG_CNTL 0x11180044 u32 nbio_v6_1_get_rev_id(struct amdgpu_device *adev) { @@ -256,3 +257,15 @@ void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev) adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE; } } + +void nbio_v6_1_init_registers(struct amdgpu_device *adev) +{ + uint32_t def, data; + + def = data = RREG32_PCIE(smnPCIE_CONFIG_CNTL); + data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1); + data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1); + + if (def != data) + WREG32_PCIE(smnPCIE_CONFIG_CNTL, data); +} |