Am 16.01.2018 um 21:15 schrieb Alex Deucher:
On Tue, Jan 16, 2018 at 2:39 PM, Christian König
<[email protected]> wrote:
Needed for vm_flush unification.
Signed-off-by: Christian König <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 39acafbc84d6..e72f3e5d24b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -2402,6 +2402,18 @@ static void gfx_v6_0_ring_emit_vm_flush(struct
amdgpu_ring *ring,
}
}
+static void gfx_v6_0_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX);
+
+ amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
+ amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) |
+ WRITE_DATA_DST_SEL(0)));
+ amdgpu_ring_write(ring, reg);
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, val);
+}
static void gfx_v6_0_rlc_fini(struct amdgpu_device *adev)
{
@@ -3529,6 +3541,7 @@ static const struct amdgpu_ring_funcs
gfx_v6_0_ring_funcs_gfx = {
.test_ib = gfx_v6_0_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.emit_cntxcntl = gfx_v6_ring_emit_cntxcntl,
+ .emit_wreg = gfx_v6_0_ring_emit_wreg,
I think you need to update the compute ring_funcs as well for all the gfx IPs.
Ah, yes good point.
Regards,
Christian.
Alex
};
static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = {
--
2.14.1
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