diff options
| author | Graham Sider <Graham.Sider@amd.com> | 2021-11-30 21:24:12 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-05-11 00:53:11 +0300 |
| commit | de4c8a7b028ee16e340745de107b17555d8dc925 (patch) | |
| tree | f7a1d44aa091a9ada2f8c6bcf3daa6d285f4dbab /drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | |
| parent | b4e7b0e86f4c0acd4e377bf2d3ce38cad5105d59 (diff) | |
| download | linux-de4c8a7b028ee16e340745de107b17555d8dc925.tar.xz | |
drm/amdgpu: Disable SDMA WPTR_POLL_ENABLE for sdma_v6_0
WPTR_POLL_ENABLE = 1 was kept to support legacy doorbell programming in
SimNow environment. Disable for real hardware.
Signed-off-by: Graham Sider <Graham.Sider@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c index 6cc6a81a7d73..8cfaed55b192 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c @@ -558,7 +558,7 @@ static int sdma_v6_0_gfx_resume(struct amdgpu_device *adev) lower_32_bits(ring->rptr_gpu_addr) & 0xFFFFFFFC); rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, RPTR_WRITEBACK_ENABLE, 1); - rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 1); + rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, WPTR_POLL_ENABLE, 0); rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_QUEUE0_RB_CNTL, F32_WPTR_POLL_ENABLE, 1); WREG32_SOC15_IP(GC, sdma_v6_0_get_reg_offset(adev, i, regSDMA0_QUEUE0_RB_BASE), ring->gpu_addr >> 8); |