xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

amdgpu/soc15: make the pcie index/data registers constant.

Browse Source 
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>
This commit is contained in:
Dave Airlie
2017-09-29 10:08:01 +10:00
committed by Alex Deucher
parent 6cdb91e281
commit 35b31f7c64
5 changed files with 12 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/soc15.c
View File

@@ -101,7 +101,7 @@ static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
{
unsigned long flags, address, data;
u32 r;
struct nbio_pcie_index_data *nbio_pcie_id;
const struct nbio_pcie_index_data *nbio_pcie_id;
if (adev->flags & AMD_IS_APU)
nbio_pcie_id = &nbio_v7_0_pcie_index_data;
@@ -122,7 +122,7 @@ static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
unsigned long flags, address, data;
struct nbio_pcie_index_data *nbio_pcie_id;
const struct nbio_pcie_index_data *nbio_pcie_id;
if (adev->flags & AMD_IS_APU)
nbio_pcie_id = &nbio_v7_0_pcie_index_data;