diff options
Diffstat (limited to 'drivers/gpu/drm/radeon')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 65 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/nid.h | 5 |
2 files changed, 52 insertions, 18 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 78aead0ada7b..fd03f318cc1c 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -2079,28 +2079,57 @@ void cayman_vm_set_page(struct radeon_device *rdev, } } } else { - while (count) { - ndw = count * 2; - if (ndw > 0xFFFFE) - ndw = 0xFFFFE; + if ((flags & RADEON_VM_PAGE_SYSTEM) || + (count == 1)) { + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; + + /* for non-physically contiguous pages (system) */ + ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw); + ib->ptr[ib->length_dw++] = pe; + ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; + for (; ndw > 0; ndw -= 2, --count, pe += 8) { + if (flags & RADEON_VM_PAGE_SYSTEM) { + value = radeon_vm_map_gart(rdev, addr); + value &= 0xFFFFFFFFFFFFF000ULL; + } else if (flags & RADEON_VM_PAGE_VALID) { + value = addr; + } else { + value = 0; + } + addr += incr; + value |= r600_flags; + ib->ptr[ib->length_dw++] = value; + ib->ptr[ib->length_dw++] = upper_32_bits(value); + } + } + while (ib->length_dw & 0x7) + ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0); + } else { + while (count) { + ndw = count * 2; + if (ndw > 0xFFFFE) + ndw = 0xFFFFE; - /* for non-physically contiguous pages (system) */ - ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw); - ib->ptr[ib->length_dw++] = pe; - ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; - for (; ndw > 0; ndw -= 2, --count, pe += 8) { - if (flags & RADEON_VM_PAGE_SYSTEM) { - value = radeon_vm_map_gart(rdev, addr); - value &= 0xFFFFFFFFFFFFF000ULL; - } else if (flags & RADEON_VM_PAGE_VALID) { + if (flags & RADEON_VM_PAGE_VALID) value = addr; - } else { + else value = 0; - } - addr += incr; - value |= r600_flags; - ib->ptr[ib->length_dw++] = value; + /* for physically contiguous pages (vram) */ + ib->ptr[ib->length_dw++] = DMA_PTE_PDE_PACKET(ndw); + ib->ptr[ib->length_dw++] = pe; /* dst addr */ + ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff; + ib->ptr[ib->length_dw++] = r600_flags; /* mask */ + ib->ptr[ib->length_dw++] = 0; + ib->ptr[ib->length_dw++] = value; /* value */ ib->ptr[ib->length_dw++] = upper_32_bits(value); + ib->ptr[ib->length_dw++] = incr; /* increment size */ + ib->ptr[ib->length_dw++] = 0; + pe += ndw * 4; + addr += (ndw / 2) * incr; + count -= ndw / 2; } } while (ib->length_dw & 0x7) diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 71a1709de154..e226faf16fea 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -684,6 +684,11 @@ (((vmid) & 0xF) << 20) | \ (((n) & 0xFFFFF) << 0)) +#define DMA_PTE_PDE_PACKET(n) ((2 << 28) | \ + (1 << 26) | \ + (1 << 21) | \ + (((n) & 0xFFFFF) << 0)) + /* async DMA Packet types */ #define DMA_PACKET_WRITE 0x2 #define DMA_PACKET_COPY 0x3 |