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authorDavid S. Miller <davem@davemloft.net>2015-07-31 23:52:20 -0700
committerDavid S. Miller <davem@davemloft.net>2015-07-31 23:52:20 -0700
commit5510b3c2a173921374ec847848fb20b98e1c698a (patch)
treec9e185281ef17280ce0dc30be7923124874736b0 /drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
parent17f901e8915cb922c2ca710835ef34f166f53ee9 (diff)
parent7c764cec3703583247c4ab837c652975a3d41f4b (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: arch/s390/net/bpf_jit_comp.c drivers/net/ethernet/ti/netcp_ethss.c net/bridge/br_multicast.c net/ipv4/ip_fragment.c All four conflicts were cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c46
1 files changed, 35 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 2c188fb9fd22..2db6ab0a543d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -2561,7 +2561,7 @@ static bool gfx_v7_0_ring_emit_semaphore(struct amdgpu_ring *ring,
* sheduling on the ring. This function schedules the IB
* on the gfx ring for execution by the GPU.
*/
-static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring,
+static void gfx_v7_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,
struct amdgpu_ib *ib)
{
bool need_ctx_switch = ring->current_ctx != ib->ctx;
@@ -2569,15 +2569,10 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring,
u32 next_rptr = ring->wptr + 5;
/* drop the CE preamble IB for the same context */
- if ((ring->type == AMDGPU_RING_TYPE_GFX) &&
- (ib->flags & AMDGPU_IB_FLAG_PREAMBLE) &&
- !need_ctx_switch)
+ if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && !need_ctx_switch)
return;
- if (ring->type == AMDGPU_RING_TYPE_COMPUTE)
- control |= INDIRECT_BUFFER_VALID;
-
- if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX)
+ if (need_ctx_switch)
next_rptr += 2;
next_rptr += 4;
@@ -2588,7 +2583,7 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, next_rptr);
/* insert SWITCH_BUFFER packet before first IB in the ring frame */
- if (need_ctx_switch && ring->type == AMDGPU_RING_TYPE_GFX) {
+ if (need_ctx_switch) {
amdgpu_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
amdgpu_ring_write(ring, 0);
}
@@ -2611,6 +2606,35 @@ static void gfx_v7_0_ring_emit_ib(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, control);
}
+static void gfx_v7_0_ring_emit_ib_compute(struct amdgpu_ring *ring,
+ struct amdgpu_ib *ib)
+{
+ u32 header, control = 0;
+ u32 next_rptr = ring->wptr + 5;
+
+ control |= INDIRECT_BUFFER_VALID;
+ next_rptr += 4;
+ amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
+ amdgpu_ring_write(ring, WRITE_DATA_DST_SEL(5) | WR_CONFIRM);
+ amdgpu_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
+ amdgpu_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xffffffff);
+ amdgpu_ring_write(ring, next_rptr);
+
+ header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
+
+ control |= ib->length_dw |
+ (ib->vm ? (ib->vm->ids[ring->idx].id << 24) : 0);
+
+ amdgpu_ring_write(ring, header);
+ amdgpu_ring_write(ring,
+#ifdef __BIG_ENDIAN
+ (2 << 0) |
+#endif
+ (ib->gpu_addr & 0xFFFFFFFC));
+ amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
+ amdgpu_ring_write(ring, control);
+}
+
/**
* gfx_v7_0_ring_test_ib - basic ring IB test
*
@@ -5555,7 +5579,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
.get_wptr = gfx_v7_0_ring_get_wptr_gfx,
.set_wptr = gfx_v7_0_ring_set_wptr_gfx,
.parse_cs = NULL,
- .emit_ib = gfx_v7_0_ring_emit_ib,
+ .emit_ib = gfx_v7_0_ring_emit_ib_gfx,
.emit_fence = gfx_v7_0_ring_emit_fence_gfx,
.emit_semaphore = gfx_v7_0_ring_emit_semaphore,
.emit_vm_flush = gfx_v7_0_ring_emit_vm_flush,
@@ -5571,7 +5595,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
.get_wptr = gfx_v7_0_ring_get_wptr_compute,
.set_wptr = gfx_v7_0_ring_set_wptr_compute,
.parse_cs = NULL,
- .emit_ib = gfx_v7_0_ring_emit_ib,
+ .emit_ib = gfx_v7_0_ring_emit_ib_compute,
.emit_fence = gfx_v7_0_ring_emit_fence_compute,
.emit_semaphore = gfx_v7_0_ring_emit_semaphore,
.emit_vm_flush = gfx_v7_0_ring_emit_vm_flush,