From: Jerome Glisse jglisse@redhat.com
This simplify and cleanup the async dma checking.
Signed-off-by: Jerome Glisse jglisse@redhat.com --- drivers/gpu/drm/radeon/evergreen.c | 16 +- drivers/gpu/drm/radeon/evergreen_cs.c | 807 +++++++++++++++++----------------- drivers/gpu/drm/radeon/evergreend.h | 29 +- 3 files changed, 417 insertions(+), 435 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f92f6bb..28f8d4f 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3223,14 +3223,14 @@ void evergreen_dma_fence_ring_emit(struct radeon_device *rdev, struct radeon_ring *ring = &rdev->ring[fence->ring]; u64 addr = rdev->fence_drv[fence->ring].gpu_addr; /* write the fence */ - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0)); radeon_ring_write(ring, addr & 0xfffffffc); radeon_ring_write(ring, (upper_32_bits(addr) & 0xff)); radeon_ring_write(ring, fence->seq); /* generate an interrupt */ - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0)); /* flush HDP */ - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0)); radeon_ring_write(ring, (0xf << 16) | HDP_MEM_COHERENCY_FLUSH_CNTL); radeon_ring_write(ring, 1); } @@ -3253,7 +3253,7 @@ void evergreen_dma_ring_ib_execute(struct radeon_device *rdev, while ((next_rptr & 7) != 5) next_rptr++; next_rptr += 3; - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 1)); radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc); radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff); radeon_ring_write(ring, next_rptr); @@ -3263,8 +3263,8 @@ void evergreen_dma_ring_ib_execute(struct radeon_device *rdev, * Pad as necessary with NOPs. */ while ((ring->wptr & 7) != 5) - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0)); radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0)); radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF));
@@ -3323,7 +3323,7 @@ int evergreen_copy_dma(struct radeon_device *rdev, if (cur_size_in_dw > 0xFFFFF) cur_size_in_dw = 0xFFFFF; size_in_dw -= cur_size_in_dw; - radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw)); + radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, cur_size_in_dw)); radeon_ring_write(ring, dst_offset & 0xfffffffc); radeon_ring_write(ring, src_offset & 0xfffffffc); radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff); @@ -3431,7 +3431,7 @@ static int evergreen_startup(struct radeon_device *rdev) ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, DMA_RB_RPTR, DMA_RB_WPTR, - 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); + 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0)); if (r) return r;
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 7a44566..32c07bb 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -2858,16 +2858,6 @@ int evergreen_cs_parse(struct radeon_cs_parser *p) return 0; }
-/* - * DMA - */ - -#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28) -#define GET_DMA_COUNT(h) ((h) & 0x000fffff) -#define GET_DMA_T(h) (((h) & 0x00800000) >> 23) -#define GET_DMA_NEW(h) (((h) & 0x04000000) >> 26) -#define GET_DMA_MISC(h) (((h) & 0x0700000) >> 20) - /** * evergreen_dma_cs_parse() - parse the DMA IB * @p: parser structure holding parsing context. @@ -2881,9 +2871,9 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p) { struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx]; struct radeon_cs_reloc *src_reloc, *dst_reloc, *dst2_reloc; - u32 header, cmd, count, tiled, new_cmd, misc; + u32 header, cmd, count, sub_cmd; volatile u32 *ib = p->ib.ptr; - u32 idx, idx_value; + u32 idx; u64 src_offset, dst_offset, dst2_offset; int r;
@@ -2897,9 +2887,7 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p) header = radeon_get_ib_value(p, 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); + sub_cmd = GET_DMA_SUB_CMD(header);
switch (cmd) { case DMA_PACKET_WRITE: @@ -2908,19 +2896,27 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p) DRM_ERROR("bad DMA_PACKET_WRITE\n"); return -EINVAL; } - if (tiled) { + switch (sub_cmd) { + /* tiled */ + case 8: dst_offset = ib[idx+1]; dst_offset <<= 8;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); p->idx += count + 7; - } else { + break; + /* linear */ + case 0: dst_offset = ib[idx+1]; dst_offset |= ((u64)(ib[idx+2] & 0xff)) << 32;
ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); ib[idx+2] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; p->idx += count + 3; + break; + default: + DRM_ERROR("bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, ib[idx+0]); + return -EINVAL; } if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n", @@ -2939,338 +2935,330 @@ int evergreen_dma_cs_parse(struct radeon_cs_parser *p) DRM_ERROR("bad DMA_PACKET_COPY\n"); return -EINVAL; } - if (tiled) { - idx_value = radeon_get_ib_value(p, idx + 2); - if (new_cmd) { - switch (misc) { - case 0: - /* L2T, frame to fields */ - if (idx_value & (1 << 31)) { - DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n"); - return -EINVAL; - } - r = r600_dma_cs_next_reloc(p, &dst2_reloc); - if (r) { - DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n"); - return -EINVAL; - } - dst_offset = ib[idx+1]; - dst_offset <<= 8; - dst2_offset = ib[idx+2]; - dst2_offset <<= 8; - src_offset = ib[idx+8]; - src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32; - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, frame to fields src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n", - dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); - return -EINVAL; - } - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset >> 8); - ib[idx+8] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+9] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - p->idx += 10; - break; - case 1: - /* L2T, T2L partial */ - if (p->family < CHIP_CAYMAN) { - DRM_ERROR("L2T, T2L Partial is cayman only !\n"); - return -EINVAL; - } - /* detile bit */ - if (idx_value & (1 << 31)) { - /* tiled src, linear dst */ - ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); - - ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - } else { - /* linear src, tiled dst */ - ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - } - p->idx += 12; - break; - case 3: - /* L2T, broadcast */ - if (idx_value & (1 << 31)) { - DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); - return -EINVAL; - } - r = r600_dma_cs_next_reloc(p, &dst2_reloc); - if (r) { - DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); - return -EINVAL; - } - dst_offset = ib[idx+1]; - dst_offset <<= 8; - dst2_offset = ib[idx+2]; - dst2_offset <<= 8; - src_offset = ib[idx+8]; - src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32; - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n", - dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); - return -EINVAL; - } - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset >> 8); - ib[idx+8] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+9] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - p->idx += 10; - break; - case 4: - /* L2T, T2L */ - /* detile bit */ - if (idx_value & (1 << 31)) { - /* tiled src, linear dst */ - src_offset = ib[idx+1]; - src_offset <<= 8; - ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); - - dst_offset = ib[idx+7]; - dst_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; - ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - } else { - /* linear src, tiled dst */ - src_offset = ib[idx+7]; - src_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; - ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - - dst_offset = ib[idx+1]; - dst_offset <<= 8; - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - } - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, T2L src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, T2L dst buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - p->idx += 9; - break; - case 5: - /* T2T partial */ - if (p->family < CHIP_CAYMAN) { - DRM_ERROR("L2T, T2L Partial is cayman only !\n"); - return -EINVAL; - } - ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); - ib[idx+4] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - p->idx += 13; - break; - case 7: - /* L2T, broadcast */ - if (idx_value & (1 << 31)) { - DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); - return -EINVAL; - } - r = r600_dma_cs_next_reloc(p, &dst2_reloc); - if (r) { - DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); - return -EINVAL; - } - dst_offset = ib[idx+1]; - dst_offset <<= 8; - dst2_offset = ib[idx+2]; - dst2_offset <<= 8; - src_offset = ib[idx+8]; - src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32; - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n", - dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); - return -EINVAL; - } - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset >> 8); - ib[idx+8] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+9] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - p->idx += 10; - break; - default: - DRM_ERROR("bad DMA_PACKET_COPY misc %u\n", misc); - return -EINVAL; - } + switch (sub_cmd) { + /* Copy L2L, DW aligned */ + case 0x00: + /* L2L, dw */ + src_offset = ib[idx+2]; + src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32; + dst_offset = ib[idx+1]; + dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32; + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, dw src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, dw dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; + ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + p->idx += 5; + break; + /* Copy L2T/T2L */ + case 0x08: + /* detile bit */ + if (ib[idx + 2] & (1 << 31)) { + /* tiled src, linear dst */ + src_offset = ib[idx+1]; + src_offset <<= 8; + ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); + + dst_offset = radeon_get_ib_value(p, idx + 7); + dst_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; + ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; } else { - switch (misc) { - case 0: - /* detile bit */ - if (idx_value & (1 << 31)) { - /* tiled src, linear dst */ - src_offset = ib[idx+1]; - src_offset <<= 8; - ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); - - dst_offset = ib[idx+7]; - dst_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; - ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - } else { - /* linear src, tiled dst */ - src_offset = ib[idx+7]; - src_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; - ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - - dst_offset = ib[idx+1]; - dst_offset <<= 8; - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); - } - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - p->idx += 9; - break; - default: - DRM_ERROR("bad DMA_PACKET_COPY misc %u\n", misc); - return -EINVAL; - } + /* linear src, tiled dst */ + src_offset = ib[idx+7]; + src_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; + ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + + dst_offset = ib[idx+1]; + dst_offset <<= 8; + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); } - } else { - if (new_cmd) { - switch (misc) { - case 0: - /* L2L, byte */ - src_offset = ib[idx+2]; - src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32; - dst_offset = ib[idx+1]; - dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32; - if ((src_offset + count) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, byte src buffer too small (%llu %lu)\n", - src_offset + count, radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + count) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, byte dst buffer too small (%llu %lu)\n", - dst_offset + count, radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xffffffff); - ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xffffffff); - ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - p->idx += 5; - break; - case 1: - /* L2L, partial */ - if (p->family < CHIP_CAYMAN) { - DRM_ERROR("L2L Partial is cayman only !\n"); - return -EINVAL; - } - ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset & 0xffffffff); - ib[idx+2] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - ib[idx+4] += (u32)(dst_reloc->lobj.gpu_offset & 0xffffffff); - ib[idx+5] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - - p->idx += 9; - break; - case 4: - /* L2L, dw, broadcast */ - r = r600_dma_cs_next_reloc(p, &dst2_reloc); - if (r) { - DRM_ERROR("bad L2L, dw, broadcast DMA_PACKET_COPY\n"); - return -EINVAL; - } - dst_offset = ib[idx+1]; - dst_offset |= ((u64)(ib[idx+4] & 0xff)) << 32; - dst2_offset = ib[idx+2]; - dst2_offset |= ((u64)(ib[idx+5] & 0xff)) << 32; - src_offset = ib[idx+3]; - src_offset |= ((u64)(ib[idx+6] & 0xff)) << 32; - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, dw, broadcast src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, dw, broadcast dst buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, dw, broadcast dst2 buffer too small (%llu %lu)\n", - dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); - return -EINVAL; - } - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+3] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+4] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - ib[idx+5] += upper_32_bits(dst2_reloc->lobj.gpu_offset) & 0xff; - ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - p->idx += 7; - break; - default: - DRM_ERROR("bad DMA_PACKET_COPY misc %u\n", misc); - return -EINVAL; - } + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + p->idx += 9; + break; + /* Copy L2L, byte aligned */ + case 0x40: + /* L2L, byte */ + src_offset = ib[idx+2]; + src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32; + dst_offset = ib[idx+1]; + dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32; + if ((src_offset + count) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, byte src buffer too small (%llu %lu)\n", + src_offset + count, radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + count) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, byte dst buffer too small (%llu %lu)\n", + dst_offset + count, radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xffffffff); + ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xffffffff); + ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; + ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + p->idx += 5; + break; + /* Copy L2L, partial */ + case 0x41: + /* L2L, partial */ + if (p->family < CHIP_CAYMAN) { + DRM_ERROR("L2L Partial is cayman only !\n"); + return -EINVAL; + } + ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset & 0xffffffff); + ib[idx+2] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + ib[idx+4] += (u32)(dst_reloc->lobj.gpu_offset & 0xffffffff); + ib[idx+5] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; + + p->idx += 9; + break; + /* Copy L2L, DW aligned, broadcast */ + case 0x44: + /* L2L, dw, broadcast */ + r = r600_dma_cs_next_reloc(p, &dst2_reloc); + if (r) { + DRM_ERROR("bad L2L, dw, broadcast DMA_PACKET_COPY\n"); + return -EINVAL; + } + dst_offset = ib[idx+1]; + dst_offset |= ((u64)(ib[idx+4] & 0xff)) << 32; + dst2_offset = ib[idx+2]; + dst2_offset |= ((u64)(ib[idx+5] & 0xff)) << 32; + src_offset = ib[idx+3]; + src_offset |= ((u64)(ib[idx+6] & 0xff)) << 32; + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, dw, broadcast src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, dw, broadcast dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { + dev_warn(p->dev, "DMA L2L, dw, broadcast dst2 buffer too small (%llu %lu)\n", + dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+3] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+4] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; + ib[idx+5] += upper_32_bits(dst2_reloc->lobj.gpu_offset) & 0xff; + ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + p->idx += 7; + break; + /* Copy L2T Frame to Field */ + case 0x48: + if (ib[idx + 2] & (1 << 31)) { + DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n"); + return -EINVAL; + } + r = r600_dma_cs_next_reloc(p, &dst2_reloc); + if (r) { + DRM_ERROR("bad L2T, frame to fields DMA_PACKET_COPY\n"); + return -EINVAL; + } + dst_offset = ib[idx+1]; + dst_offset <<= 8; + dst2_offset = ib[idx+2]; + dst2_offset <<= 8; + src_offset = ib[idx+8]; + src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32; + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, frame to fields src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, frame to fields buffer too small (%llu %lu)\n", + dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset >> 8); + ib[idx+8] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+9] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + p->idx += 10; + break; + /* Copy L2T/T2L, partial */ + case 0x49: + /* L2T, T2L partial */ + if (p->family < CHIP_CAYMAN) { + DRM_ERROR("L2T, T2L Partial is cayman only !\n"); + return -EINVAL; + } + /* detile bit */ + if (ib[idx + 2 ] & (1 << 31)) { + /* tiled src, linear dst */ + ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); + + ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; + } else { + /* linear src, tiled dst */ + ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + } + p->idx += 12; + break; + /* Copy L2T broadcast */ + case 0x4b: + /* L2T, broadcast */ + if (ib[idx + 2] & (1 << 31)) { + DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); + return -EINVAL; + } + r = r600_dma_cs_next_reloc(p, &dst2_reloc); + if (r) { + DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); + return -EINVAL; + } + dst_offset = ib[idx+1]; + dst_offset <<= 8; + dst2_offset = ib[idx+2]; + dst2_offset <<= 8; + src_offset = ib[idx+8]; + src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32; + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n", + dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset >> 8); + ib[idx+8] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+9] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + p->idx += 10; + break; + /* Copy L2T/T2L (tile units) */ + case 0x4c: + /* L2T, T2L */ + /* detile bit */ + if (ib[idx + 2] & (1 << 31)) { + /* tiled src, linear dst */ + src_offset = ib[idx+1]; + src_offset <<= 8; + ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); + + dst_offset = ib[idx+7]; + dst_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; + ib[idx+7] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+8] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; } else { - /* L2L, dw */ - src_offset = ib[idx+2]; - src_offset |= ((u64)(ib[idx+4] & 0xff)) << 32; + /* linear src, tiled dst */ + src_offset = ib[idx+7]; + src_offset |= ((u64)(ib[idx+8] & 0xff)) << 32; + ib[idx+7] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+8] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + dst_offset = ib[idx+1]; - dst_offset |= ((u64)(ib[idx+3] & 0xff)) << 32; - if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, dw src buffer too small (%llu %lu)\n", - src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); - return -EINVAL; - } - if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { - dev_warn(p->dev, "DMA L2L, dw dst buffer too small (%llu %lu)\n", - dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); - return -EINVAL; - } - ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+2] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); - ib[idx+3] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; - ib[idx+4] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; - p->idx += 5; + dst_offset <<= 8; + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); } + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, T2L src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, T2L dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + p->idx += 9; + break; + /* Copy T2T, partial (tile units) */ + case 0x4d: + /* T2T partial */ + if (p->family < CHIP_CAYMAN) { + DRM_ERROR("L2T, T2L Partial is cayman only !\n"); + return -EINVAL; + } + ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); + ib[idx+4] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + p->idx += 13; + break; + /* Copy L2T broadcast (tile units) */ + case 0x4f: + /* L2T, broadcast */ + if (ib[idx + 2] & (1 << 31)) { + DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); + return -EINVAL; + } + r = r600_dma_cs_next_reloc(p, &dst2_reloc); + if (r) { + DRM_ERROR("bad L2T, broadcast DMA_PACKET_COPY\n"); + return -EINVAL; + } + dst_offset = ib[idx+1]; + dst_offset <<= 8; + dst2_offset = ib[idx+2]; + dst2_offset <<= 8; + src_offset = ib[idx+8]; + src_offset |= ((u64)(ib[idx+9] & 0xff)) << 32; + if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, broadcast src buffer too small (%llu %lu)\n", + src_offset + (count * 4), radeon_bo_size(src_reloc->robj)); + return -EINVAL; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, broadcast dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + if ((dst2_offset + (count * 4)) > radeon_bo_size(dst2_reloc->robj)) { + dev_warn(p->dev, "DMA L2T, broadcast dst2 buffer too small (%llu %lu)\n", + dst2_offset + (count * 4), radeon_bo_size(dst2_reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + ib[idx+2] += (u32)(dst2_reloc->lobj.gpu_offset >> 8); + ib[idx+8] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+9] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + p->idx += 10; + break; + default: + DRM_ERROR("bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, ib[idx+0]); + return -EINVAL; } break; case DMA_PACKET_CONSTANT_FILL: @@ -3623,88 +3611,79 @@ 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) { u32 idx = 0; - u32 header, cmd, count, tiled, new_cmd, misc; + u32 header, cmd, count, sub_cmd;
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); + sub_cmd = GET_DMA_SUB_CMD(header);
switch (cmd) { case DMA_PACKET_WRITE: - if (tiled) + switch (sub_cmd) { + /* tiled */ + case 8: idx += count + 7; - else + break; + /* linear */ + case 0: idx += count + 3; + break; + default: + DRM_ERROR("bad DMA_PACKET_WRITE [%6d] 0x%08x sub cmd is not 0 or 8\n", idx, ib->ptr[idx]); + return -EINVAL; + } 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; - } + switch (sub_cmd) { + /* Copy L2L, DW aligned */ + case 0x00: + idx += 5; + break; + /* Copy L2T/T2L */ + case 0x08: + idx += 9; + break; + /* Copy L2L, byte aligned */ + case 0x40: + idx += 5; + break; + /* Copy L2L, partial */ + case 0x41: + idx += 9; + break; + /* Copy L2L, DW aligned, broadcast */ + case 0x44: + idx += 7; + break; + /* Copy L2T Frame to Field */ + case 0x48: + idx += 10; + break; + /* Copy L2T/T2L, partial */ + case 0x49: + idx += 12; + break; + /* Copy L2T broadcast */ + case 0x4b: + idx += 10; + break; + /* Copy L2T/T2L (tile units) */ + case 0x4c: + idx += 9; + break; + /* Copy T2T, partial (tile units) */ + case 0x4d: + idx += 13; + break; + /* Copy L2T broadcast (tile units) */ + case 0x4f: + idx += 10; + break; + default: + DRM_ERROR("bad DMA_PACKET_COPY [%6d] 0x%08x invalid sub cmd\n", idx, ib->ptr[idx]); + return -EINVAL; } break; case DMA_PACKET_CONSTANT_FILL: diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 5786a32..abb1571 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -924,20 +924,23 @@ #define CAYMAN_DMA1_CNTL 0xd82c
/* async DMA packets */ -#define DMA_PACKET(cmd, t, s, n) ((((cmd) & 0xF) << 28) | \ - (((t) & 0x1) << 23) | \ - (((s) & 0x1) << 22) | \ - (((n) & 0xFFFFF) << 0)) +#define DMA_PACKET(cmd, sub_cmd, n) ((((cmd) & 0xF) << 28) | \ + (((sub_cmd) & 0xFF) << 20) |\ + (((n) & 0xFFFFF) << 0)) +#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28) +#define GET_DMA_COUNT(h) ((h) & 0x000fffff) +#define GET_DMA_SUB_CMD(h) (((h) & 0x0ff00000) >> 20) + /* async DMA Packet types */ -#define DMA_PACKET_WRITE 0x2 -#define DMA_PACKET_COPY 0x3 -#define DMA_PACKET_INDIRECT_BUFFER 0x4 -#define DMA_PACKET_SEMAPHORE 0x5 -#define DMA_PACKET_FENCE 0x6 -#define DMA_PACKET_TRAP 0x7 -#define DMA_PACKET_SRBM_WRITE 0x9 -#define DMA_PACKET_CONSTANT_FILL 0xd -#define DMA_PACKET_NOP 0xf +#define DMA_PACKET_WRITE 0x2 +#define DMA_PACKET_COPY 0x3 +#define DMA_PACKET_INDIRECT_BUFFER 0x4 +#define DMA_PACKET_SEMAPHORE 0x5 +#define DMA_PACKET_FENCE 0x6 +#define DMA_PACKET_TRAP 0x7 +#define DMA_PACKET_SRBM_WRITE 0x9 +#define DMA_PACKET_CONSTANT_FILL 0xd +#define DMA_PACKET_NOP 0xf
/* PCIE link stuff */ #define PCIE_LC_TRAINING_CNTL 0xa1 /* PCIE_P */