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 SI DMA

Browse source 
Needed for vm_flush unification.

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 16:33:03 +01:00 committed by Alex Deucher
parent 254e825b37
commit 5b9263d9f2
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
drivers/gpu/drm/amd/amdgpu/si_dma.c
View file

@ -497,6 +497,14 @@ static void si_dma_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, (0 << 28) | 0x20); /* func(always) | poll interval */
}
static void si_dma_ring_emit_wreg(struct amdgpu_ring *ring,
uint32_t reg, uint32_t val)
{
amdgpu_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0, 0));
amdgpu_ring_write(ring, (0xf << 16) | reg);
amdgpu_ring_write(ring, val);
}
static int si_dma_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@ -789,6 +797,7 @@ static const struct amdgpu_ring_funcs si_dma_ring_funcs = {
.test_ib = si_dma_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = si_dma_ring_pad_ib,
.emit_wreg = si_dma_ring_emit_wreg,
};
static void si_dma_set_ring_funcs(struct amdgpu_device *adev)