diff options
Diffstat (limited to 'common/recipes-kernel/linux/files/0298-drm-amdgpu-gfx7-Simplify-wptr-rptr-functions.patch')
-rw-r--r-- | common/recipes-kernel/linux/files/0298-drm-amdgpu-gfx7-Simplify-wptr-rptr-functions.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0298-drm-amdgpu-gfx7-Simplify-wptr-rptr-functions.patch b/common/recipes-kernel/linux/files/0298-drm-amdgpu-gfx7-Simplify-wptr-rptr-functions.patch new file mode 100644 index 00000000..8af9cb30 --- /dev/null +++ b/common/recipes-kernel/linux/files/0298-drm-amdgpu-gfx7-Simplify-wptr-rptr-functions.patch @@ -0,0 +1,66 @@ +From d5c3076f344179387355e1efede457318c6a625a Mon Sep 17 00:00:00 2001 +From: Tom St Denis <tom.stdenis@amd.com> +Date: Mon, 8 Feb 2016 12:47:58 -0500 +Subject: [PATCH 0298/1110] 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> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 23 ++++------------------- + 1 file 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 940dc0b..2cccd81 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) +-- +2.7.4 + |