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authorChristian König <christian.koenig@amd.com>2015-05-11 14:10:34 +0200
committerAlex Deucher <alexander.deucher@amd.com>2015-06-03 21:03:32 -0400
commitd2edb07b10fce5127a60671b55ca53921c212bc3 (patch)
tree5c6c7fe319aa67c5ca0a279008381f4a31d3cd22 /drivers/gpu/drm/amd/amdgpu/cik_sdma.c
parentdrm/amdgpu: always emit GDS switch (diff)
downloadlinux-dev-d2edb07b10fce5127a60671b55ca53921c212bc3.tar.xz
linux-dev-d2edb07b10fce5127a60671b55ca53921c212bc3.zip
drm/amdgpu: cleanup HDP flush handling
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com> Reviewed-by: Monk Liu <monk.liu@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik_sdma.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik_sdma.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 037e3db69547..d5055ea4d112 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -188,8 +188,6 @@ static void cik_sdma_ring_set_wptr(struct amdgpu_ring *ring)
WREG32(mmSDMA0_GFX_RB_WPTR + sdma_offsets[me], (ring->wptr << 2) & 0x3fffc);
}
-static void cik_sdma_hdp_flush_ring_emit(struct amdgpu_ring *);
-
/**
* cik_sdma_ring_emit_ib - Schedule an IB on the DMA engine
*
@@ -204,9 +202,6 @@ static void cik_sdma_ring_emit_ib(struct amdgpu_ring *ring,
u32 extra_bits = (ib->vm ? ib->vm->ids[ring->idx].id : 0) & 0xf;
u32 next_rptr = ring->wptr + 5;
- if (ib->flush_hdp_writefifo)
- next_rptr += 6;
-
while ((next_rptr & 7) != 4)
next_rptr++;
@@ -217,11 +212,6 @@ static void cik_sdma_ring_emit_ib(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, 1); /* number of DWs to follow */
amdgpu_ring_write(ring, next_rptr);
- if (ib->flush_hdp_writefifo) {
- /* flush HDP */
- cik_sdma_hdp_flush_ring_emit(ring);
- }
-
/* IB packet must end on a 8 DW boundary */
while ((ring->wptr & 7) != 4)
amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0));
@@ -233,13 +223,13 @@ static void cik_sdma_ring_emit_ib(struct amdgpu_ring *ring,
}
/**
- * cik_sdma_hdp_flush_ring_emit - emit an hdp flush on the DMA ring
+ * cik_sdma_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
*
* @ring: amdgpu ring pointer
*
* Emit an hdp flush packet on the requested DMA ring.
*/
-static void cik_sdma_hdp_flush_ring_emit(struct amdgpu_ring *ring)
+static void cik_sdma_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
u32 extra_bits = (SDMA_POLL_REG_MEM_EXTRA_OP(1) |
SDMA_POLL_REG_MEM_EXTRA_FUNC(3)); /* == */
@@ -1317,6 +1307,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
.emit_fence = cik_sdma_ring_emit_fence,
.emit_semaphore = cik_sdma_ring_emit_semaphore,
.emit_vm_flush = cik_sdma_ring_emit_vm_flush,
+ .emit_hdp_flush = cik_sdma_ring_emit_hdp_flush,
.test_ring = cik_sdma_ring_test_ring,
.test_ib = cik_sdma_ring_test_ib,
.is_lockup = cik_sdma_ring_is_lockup,