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Merge branch 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-fixes 

The first one is a one liner fixing a stupid typo in the VM handling code and is only relevant if play with one of the VM defines.

The other two switches CIK to use the CPDMA instead of the SDMA for buffer moves, as it turned out the SDMA is still sometimes not 100% reliable.

* 'drm-fixes-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: use the CP DMA on CIK
  drm/radeon: sync page table updates
  drm/radeon: fix vm buffer size estimation
This commit is contained in:
Dave Airlie 2014-06-04 13:29:13 +10:00
parent ba6f582606 91b0275c0e
commit 0a4ae727d6
2 changed files with 10 additions and 5 deletions
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4
drivers/gpu/drm/radeon/radeon_asic.c
View File

@ -2049,8 +2049,8 @@ static struct radeon_asic ci_asic = {
.blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
.dma = &cik_copy_dma,
.dma_ring_index = R600_RING_TYPE_DMA_INDEX,
.copy = &cik_copy_dma,
.copy_ring_index = R600_RING_TYPE_DMA_INDEX,
.copy = &cik_copy_cpdma,
.copy_ring_index = RADEON_RING_TYPE_GFX_INDEX,
},
.surface = {
.set_reg = r600_set_surface_reg,

11
drivers/gpu/drm/radeon/radeon_vm.c
View File

@ -132,7 +132,7 @@ struct radeon_cs_reloc *radeon_vm_get_bos(struct radeon_device *rdev,
struct radeon_cs_reloc *list;
unsigned i, idx;
list = kmalloc_array(vm->max_pde_used + 1,
list = kmalloc_array(vm->max_pde_used + 2,
sizeof(struct radeon_cs_reloc), GFP_KERNEL);
if (!list)
return NULL;
@ -585,7 +585,8 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
{
static const uint32_t incr = RADEON_VM_PTE_COUNT * 8;
uint64_t pd_addr = radeon_bo_gpu_offset(vm->page_directory);
struct radeon_bo *pd = vm->page_directory;
uint64_t pd_addr = radeon_bo_gpu_offset(pd);
uint64_t last_pde = ~0, last_pt = ~0;
unsigned count = 0, pt_idx, ndw;
struct radeon_ib ib;
@ -642,6 +643,7 @@ int radeon_vm_update_page_directory(struct radeon_device *rdev,
incr, R600_PTE_VALID);
if (ib.length_dw != 0) {
radeon_semaphore_sync_to(ib.semaphore, pd->tbo.sync_obj);
radeon_semaphore_sync_to(ib.semaphore, vm->last_id_use);
r = radeon_ib_schedule(rdev, &ib, NULL);
if (r) {
@ -689,15 +691,18 @@ static void radeon_vm_update_ptes(struct radeon_device *rdev,
/* walk over the address space and update the page tables */
for (addr = start; addr < end; ) {
uint64_t pt_idx = addr >> RADEON_VM_BLOCK_SIZE;
struct radeon_bo *pt = vm->page_tables[pt_idx].bo;
unsigned nptes;
uint64_t pte;
radeon_semaphore_sync_to(ib->semaphore, pt->tbo.sync_obj);
if ((addr & ~mask) == (end & ~mask))
nptes = end - addr;
else
nptes = RADEON_VM_PTE_COUNT - (addr & mask);
pte = radeon_bo_gpu_offset(vm->page_tables[pt_idx].bo);
pte = radeon_bo_gpu_offset(pt);
pte += (addr & mask) * 8;
if ((last_pte + 8 * count) != pte) {