xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/radeon: use one VMID for each ring

Browse Source 
Use multiple VMIDs for each VM, one for each ring. That allows
us to execute flushes separately on each ring, still not ideal
cause in a lot of cases rings can share IDs.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2014-11-19 14:01:25 +01:00
committed by Alex Deucher
parent ad1a58a45a
commit 7c42bc1aa2
7 changed files with 68 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/radeon/cik.c
View File

@@ -4066,6 +4066,7 @@ struct radeon_fence *cik_copy_cpdma(struct radeon_device *rdev,
void cik_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
struct radeon_ring *ring = &rdev->ring[ib->ring];
unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
u32 header, control = INDIRECT_BUFFER_VALID;
if (ib->is_const_ib) {
@@ -4094,8 +4095,7 @@ void cik_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
}
control |= ib->length_dw |
(ib->vm ? (ib->vm->id << 24) : 0);
control |= ib->length_dw | (vm_id << 24);
radeon_ring_write(ring, header);
radeon_ring_write(ring,