renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-10 14:43:54 +08:00
Code

drm/amdgpu/sdma4: use paging queue for buffer funcs

Browse Source 
Use the paging queue for buffer functions to avoid contention
with the other queues.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Tested-by: Chen Gong <Curry.Gong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2018-11-07 12:25:30 -05:00
parent f0c9fabda1
commit d2cfabbdaf
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
View File

@ -662,6 +662,10 @@ static void sdma_v4_0_page_stop(struct amdgpu_device *adev)
u32 rb_cntl, ib_cntl;
int i;
if ((adev->mman.buffer_funcs_ring == sdma0) ||
(adev->mman.buffer_funcs_ring == sdma1))
amdgpu_ttm_set_buffer_funcs_status(adev, false);
for (i = 0; i < adev->sdma.num_instances; i++) {
rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
@ -1152,6 +1156,9 @@ static int sdma_v4_0_start(struct amdgpu_device *adev)
r = amdgpu_ring_test_helper(page);
if (r)
return r;
if (adev->mman.buffer_funcs_ring == page)
amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
if (adev->mman.buffer_funcs_ring == ring)
@ -2057,7 +2064,10 @@ static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
if (adev->sdma.has_page_queue)
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].page;
else
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
}
static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = {