diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index ee1ccdcf2d30..87dd55e9d72b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3750,6 +3750,24 @@ static void gfx_v8_0_init_compute_vmid(struct amdgpu_device *adev) } } +static void gfx_v8_0_init_gds_vmid(struct amdgpu_device *adev) +{ + int vmid; + + /* + * Initialize all compute and user-gfx VMIDs to have no GDS, GWS, or OA + * access. Compute VMIDs should be enabled by FW for target VMIDs, + * the driver can enable them for graphics. VMID0 should maintain + * access so that HWS firmware can save/restore entries. + */ + for (vmid = 1; vmid < 16; vmid++) { + WREG32(amdgpu_gds_reg_offset[vmid].mem_base, 0); + WREG32(amdgpu_gds_reg_offset[vmid].mem_size, 0); + WREG32(amdgpu_gds_reg_offset[vmid].gws, 0); + WREG32(amdgpu_gds_reg_offset[vmid].oa, 0); + } +} + static void gfx_v8_0_config_init(struct amdgpu_device *adev) { switch (adev->asic_type) { @@ -3816,6 +3834,7 @@ static void gfx_v8_0_constants_init(struct amdgpu_device *adev) mutex_unlock(&adev->srbm_mutex); gfx_v8_0_init_compute_vmid(adev); + gfx_v8_0_init_gds_vmid(adev); mutex_lock(&adev->grbm_idx_mutex); /* |