mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-27 19:29:37 +00:00
Code Issues Releases Wiki Activity

drm/amdgpu: wire up emit_wreg for gfx v7

Browse source 
Needed for vm_flush unification.

v2: handle compute rings as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-01-12 16:31:15 +01:00 committed by Alex Deucher
parent e18fb1fd34
commit 3f3e9de803
1 changed files with 15 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
View file

@ -3290,6 +3290,19 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
}
}
static void gfx_v7_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);
}
/*
* RLC
* The RLC is a multi-purpose microengine that handles a
@ -5134,6 +5147,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_cntxcntl = gfx_v7_ring_emit_cntxcntl,
.emit_wreg = gfx_v7_0_ring_emit_wreg,
};
static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
@ -5163,6 +5177,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
.test_ib = gfx_v7_0_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_wreg = gfx_v7_0_ring_emit_wreg,
};
static void gfx_v7_0_set_ring_funcs(struct amdgpu_device *adev)