From: Alex Deucher Date: Fri, 4 Jan 2013 17:16:05 +0000 (-0500) Subject: drm/radeon: fix DMA CS parser for r6xx linear copy packet X-Git-Tag: firefly_0821_release~3680^2~1293^2~1^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a10fbb4224e53c6b3528d671051be4b98bd8e9b9;p=firefly-linux-kernel-4.4.55.git drm/radeon: fix DMA CS parser for r6xx linear copy packet Was using the r7xx format. Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 9ea13d07cc55..03191a56eb44 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -2677,16 +2677,29 @@ int r600_dma_cs_parse(struct radeon_cs_parser *p) } p->idx += 7; } else { - 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 (p->family >= CHIP_RV770) { + 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; - 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; + 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; + } else { + src_offset = ib[idx+2]; + src_offset |= ((u64)(ib[idx+3] & 0xff)) << 32; + dst_offset = ib[idx+1]; + dst_offset |= ((u64)(ib[idx+3] & 0xff0000)) << 16; + + 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(src_reloc->lobj.gpu_offset) & 0xff; + ib[idx+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff) << 16; + p->idx += 4; + } } if ((src_offset + (count * 4)) > radeon_bo_size(src_reloc->robj)) { dev_warn(p->dev, "DMA copy src buffer too small (%llu %lu)\n",