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 v8

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 16:31:35 +01:00 committed by Alex Deucher
parent 3f3e9de803
commit 9ed88047d4
1 changed files with 17 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View file

@ -6618,8 +6618,22 @@ static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
static void gfx_v8_0_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
uint32_t val)
{
uint32_t cmd;
switch (ring->funcs->type) {
case AMDGPU_RING_TYPE_GFX:
cmd = WRITE_DATA_ENGINE_SEL(1) | WR_CONFIRM;
break;
case AMDGPU_RING_TYPE_KIQ:
cmd = 1 << 16; /* no inc addr */
break;
default:
cmd = WR_CONFIRM;
break;
}
amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
amdgpu_ring_write(ring, (1 << 16)); /* no inc addr */
amdgpu_ring_write(ring, cmd);
amdgpu_ring_write(ring, reg);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, val);
@ -6903,6 +6917,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
.emit_cntxcntl = gfx_v8_ring_emit_cntxcntl,
.init_cond_exec = gfx_v8_0_ring_emit_init_cond_exec,
.patch_cond_exec = gfx_v8_0_ring_emit_patch_cond_exec,
.emit_wreg = gfx_v8_0_ring_emit_wreg,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
@ -6933,6 +6948,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.set_priority = gfx_v8_0_ring_set_priority_compute,
.emit_wreg = gfx_v8_0_ring_emit_wreg,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = {