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authorTom St Denis <tom.stdenis@amd.com>2016-02-08 12:47:58 -0500
committerAlex Deucher <alexander.deucher@amd.com>2016-02-12 15:30:26 -0500
commit7edd6b2faa9dc8bdc79bb0219592738abfedfd48 (patch)
tree98f94d5ecc425472fa351cbd8f9d9212972d6ada /drivers/gpu
parent6d1d6831814418b1348db83c1d90042a3b017efe (diff)
drm/amdgpu/gfx7: Simplify wptr/rptr functions
Signed-off-by: Tom St Denis <tom.stdenis@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 3aaa0f9eea9d..cdd3f3f1232f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -2652,21 +2652,14 @@ static int gfx_v7_0_cp_gfx_resume(struct amdgpu_device *adev)
static u32 gfx_v7_0_ring_get_rptr_gfx(struct amdgpu_ring *ring)
{
- u32 rptr;
-
- rptr = ring->adev->wb.wb[ring->rptr_offs];
-
- return rptr;
+ return ring->adev->wb.wb[ring->rptr_offs];
}
static u32 gfx_v7_0_ring_get_wptr_gfx(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- u32 wptr;
- wptr = RREG32(mmCP_RB0_WPTR);
-
- return wptr;
+ return RREG32(mmCP_RB0_WPTR);
}
static void gfx_v7_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
@@ -2679,21 +2672,13 @@ static void gfx_v7_0_ring_set_wptr_gfx(struct amdgpu_ring *ring)
static u32 gfx_v7_0_ring_get_rptr_compute(struct amdgpu_ring *ring)
{
- u32 rptr;
-
- rptr = ring->adev->wb.wb[ring->rptr_offs];
-
- return rptr;
+ return ring->adev->wb.wb[ring->rptr_offs];
}
static u32 gfx_v7_0_ring_get_wptr_compute(struct amdgpu_ring *ring)
{
- u32 wptr;
-
/* XXX check if swapping is necessary on BE */
- wptr = ring->adev->wb.wb[ring->wptr_offs];
-
- return wptr;
+ return ring->adev->wb.wb[ring->wptr_offs];
}
static void gfx_v7_0_ring_set_wptr_compute(struct amdgpu_ring *ring)