diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 21187275dfd3..791ba398f007 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -1890,6 +1890,24 @@ static void gfx_v7_0_init_compute_vmid(struct amdgpu_device *adev) } } +static void gfx_v7_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_v7_0_config_init(struct amdgpu_device *adev) { adev->gfx.config.double_offchip_lds_buf = 1; @@ -1968,6 +1986,7 @@ static void gfx_v7_0_constants_init(struct amdgpu_device *adev) mutex_unlock(&adev->srbm_mutex); gfx_v7_0_init_compute_vmid(adev); + gfx_v7_0_init_gds_vmid(adev); WREG32(mmSX_DEBUG_1, 0x20); |