diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen_cs.c | 111 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_asic.h | 1 |
3 files changed, 118 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 0a1ec4e6f15e..9a9d3ae6c188 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -3556,3 +3556,114 @@ int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib) return ret; } + +/** + * evergreen_dma_ib_parse() - parse the DMA IB for VM + * @rdev: radeon_device pointer + * @ib: radeon_ib pointer + * + * Parses the DMA IB from the VM CS ioctl + * checks for errors. (Cayman-SI) + * Returns 0 for success and an error on failure. + **/ +int evergreen_dma_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib) +{ + u32 idx = 0; + u32 header, cmd, count, tiled, new_cmd, misc; + + do { + header = ib->ptr[idx]; + cmd = GET_DMA_CMD(header); + count = GET_DMA_COUNT(header); + tiled = GET_DMA_T(header); + new_cmd = GET_DMA_NEW(header); + misc = GET_DMA_MISC(header); + + switch (cmd) { + case DMA_PACKET_WRITE: + if (tiled) + idx += count + 7; + else + idx += count + 3; + break; + case DMA_PACKET_COPY: + if (tiled) { + if (new_cmd) { + switch (misc) { + case 0: + /* L2T, frame to fields */ + idx += 10; + break; + case 1: + /* L2T, T2L partial */ + idx += 12; + break; + case 3: + /* L2T, broadcast */ + idx += 10; + break; + case 4: + /* L2T, T2L */ + idx += 9; + break; + case 5: + /* T2T partial */ + idx += 13; + break; + case 7: + /* L2T, broadcast */ + idx += 10; + break; + default: + DRM_ERROR("bad DMA_PACKET_COPY misc %u\n", misc); + return -EINVAL; + } + } else { + switch (misc) { + case 0: + idx += 9; + break; + default: + DRM_ERROR("bad DMA_PACKET_COPY misc %u\n", misc); + return -EINVAL; + } + } + } else { + if (new_cmd) { + switch (misc) { + case 0: + /* L2L, byte */ + idx += 5; + break; + case 1: + /* L2L, partial */ + idx += 9; + break; + case 4: + /* L2L, dw, broadcast */ + idx += 7; + break; + default: + DRM_ERROR("bad DMA_PACKET_COPY misc %u\n", misc); + return -EINVAL; + } + } else { + /* L2L, dw */ + idx += 5; + } + } + break; + case DMA_PACKET_CONSTANT_FILL: + idx += 4; + break; + case DMA_PACKET_NOP: + idx += 1; + break; + default: + DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx); + return -EINVAL; + } + } while (idx < ib->length_dw); + + return 0; +} diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index ac1d5702144c..596bcbe80ed0 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1484,6 +1484,7 @@ static struct radeon_asic cayman_asic = { }, [R600_RING_TYPE_DMA_INDEX] = { .ib_execute = &cayman_dma_ring_ib_execute, + .ib_parse = &evergreen_dma_ib_parse, .emit_fence = &evergreen_dma_fence_ring_emit, .emit_semaphore = &r600_dma_semaphore_ring_emit, .cs_parse = &evergreen_dma_cs_parse, @@ -1494,6 +1495,7 @@ static struct radeon_asic cayman_asic = { }, [CAYMAN_RING_TYPE_DMA1_INDEX] = { .ib_execute = &cayman_dma_ring_ib_execute, + .ib_parse = &evergreen_dma_ib_parse, .emit_fence = &evergreen_dma_fence_ring_emit, .emit_semaphore = &r600_dma_semaphore_ring_emit, .cs_parse = &evergreen_dma_cs_parse, @@ -1609,6 +1611,7 @@ static struct radeon_asic trinity_asic = { }, [R600_RING_TYPE_DMA_INDEX] = { .ib_execute = &cayman_dma_ring_ib_execute, + .ib_parse = &evergreen_dma_ib_parse, .emit_fence = &evergreen_dma_fence_ring_emit, .emit_semaphore = &r600_dma_semaphore_ring_emit, .cs_parse = &evergreen_dma_cs_parse, @@ -1619,6 +1622,7 @@ static struct radeon_asic trinity_asic = { }, [CAYMAN_RING_TYPE_DMA1_INDEX] = { .ib_execute = &cayman_dma_ring_ib_execute, + .ib_parse = &evergreen_dma_ib_parse, .emit_fence = &evergreen_dma_fence_ring_emit, .emit_semaphore = &r600_dma_semaphore_ring_emit, .cs_parse = &evergreen_dma_cs_parse, @@ -1734,6 +1738,7 @@ static struct radeon_asic si_asic = { }, [R600_RING_TYPE_DMA_INDEX] = { .ib_execute = &cayman_dma_ring_ib_execute, + .ib_parse = &evergreen_dma_ib_parse, .emit_fence = &evergreen_dma_fence_ring_emit, .emit_semaphore = &r600_dma_semaphore_ring_emit, .cs_parse = NULL, @@ -1744,6 +1749,7 @@ static struct radeon_asic si_asic = { }, [CAYMAN_RING_TYPE_DMA1_INDEX] = { .ib_execute = &cayman_dma_ring_ib_execute, + .ib_parse = &evergreen_dma_ib_parse, .emit_fence = &evergreen_dma_fence_ring_emit, .emit_semaphore = &r600_dma_semaphore_ring_emit, .cs_parse = NULL, diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index d2ac64619f37..5f4882cc2152 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -473,6 +473,7 @@ void cayman_vm_set_page(struct radeon_device *rdev, uint64_t pe, uint64_t addr, unsigned count, uint32_t incr, uint32_t flags); int evergreen_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib); +int evergreen_dma_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib); void cayman_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib); bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring); |