diff options
author | Dave Airlie <airlied@redhat.com> | 2017-09-29 10:08:01 +1000 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-29 12:24:38 -0400 |
commit | 35b31f7c6464480b10f3a54c9a35699e02f17ae8 (patch) | |
tree | 0d59273b84ccea004d59c6d28ca10932917e24dc /drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c | |
parent | 6cdb91e28128595c1e2b7d0fa1ead30dc34ff15c (diff) | |
download | linux-35b31f7c6464480b10f3a54c9a35699e02f17ae8.tar.bz2 |
amdgpu/soc15: make the pcie index/data registers constant.
These don't seem to change at runtime, and the initialisers
are constant data. This could be improved by not selecting
the apu/non-apu path on each pcie read/write access.
Signed-off-by: Dave Airlie <airlied@redhat.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 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c index 045988b18bc3..7723d7bccb96 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c @@ -216,7 +216,10 @@ void nbio_v6_1_get_clockgating_state(struct amdgpu_device *adev, u32 *flags) } struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg; -struct nbio_pcie_index_data nbio_v6_1_pcie_index_data; +const struct nbio_pcie_index_data nbio_v6_1_pcie_index_data = { + .index_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX), + .data_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA), +}; int nbio_v6_1_init(struct amdgpu_device *adev) { @@ -235,9 +238,6 @@ int nbio_v6_1_init(struct amdgpu_device *adev) nbio_v6_1_hdp_flush_reg.ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK; nbio_v6_1_hdp_flush_reg.ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK; - nbio_v6_1_pcie_index_data.index_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX); - nbio_v6_1_pcie_index_data.data_offset = SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA); - return 0; } |