diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 98d6cb9e9543..ef9f552b7001 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -1516,17 +1516,27 @@ static void gfx_v10_0_init_compute_vmid(struct amdgpu_device *adev) } nv_grbm_select(adev, 0, 0, 0, 0); mutex_unlock(&adev->srbm_mutex); +} - /* Initialize all compute VMIDs to have no GDS, GWS, or OA - acccess. These should be enabled by FW for target VMIDs. */ - for (i = FIRST_COMPUTE_VMID; i < LAST_COMPUTE_VMID; i++) { - WREG32_SOC15_OFFSET(GC, 0, mmGDS_VMID0_BASE, 2 * i, 0); - WREG32_SOC15_OFFSET(GC, 0, mmGDS_VMID0_SIZE, 2 * i, 0); - WREG32_SOC15_OFFSET(GC, 0, mmGDS_GWS_VMID0, i, 0); - WREG32_SOC15_OFFSET(GC, 0, mmGDS_OA_VMID0, i, 0); +static void gfx_v10_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_SOC15_OFFSET(GC, 0, mmGDS_VMID0_BASE, 2 * vmid, 0); + WREG32_SOC15_OFFSET(GC, 0, mmGDS_VMID0_SIZE, 2 * vmid, 0); + WREG32_SOC15_OFFSET(GC, 0, mmGDS_GWS_VMID0, vmid, 0); + WREG32_SOC15_OFFSET(GC, 0, mmGDS_OA_VMID0, vmid, 0); } } + static void gfx_v10_0_tcp_harvest(struct amdgpu_device *adev) { int i, j, k; @@ -1629,6 +1639,7 @@ static void gfx_v10_0_constants_init(struct amdgpu_device *adev) mutex_unlock(&adev->srbm_mutex); gfx_v10_0_init_compute_vmid(adev); + gfx_v10_0_init_gds_vmid(adev); } |