| /* |
| * Copyright 2008 Advanced Micro Devices, Inc. |
| * Copyright 2008 Red Hat Inc. |
| * Copyright 2009 Jerome Glisse. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: Dave Airlie |
| * Alex Deucher |
| * Jerome Glisse |
| */ |
| #include <linux/kernel.h> |
| #include "drmP.h" |
| #include "radeon.h" |
| #include "r600d.h" |
| #include "r600_reg_safe.h" |
| |
| static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p, |
| struct radeon_cs_reloc **cs_reloc); |
| static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p, |
| struct radeon_cs_reloc **cs_reloc); |
| typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**); |
| static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm; |
| extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size); |
| |
| |
| struct r600_cs_track { |
| /* configuration we miror so that we use same code btw kms/ums */ |
| u32 group_size; |
| u32 nbanks; |
| u32 npipes; |
| /* value we track */ |
| u32 sq_config; |
| u32 nsamples; |
| u32 cb_color_base_last[8]; |
| struct radeon_bo *cb_color_bo[8]; |
| u32 cb_color_bo_offset[8]; |
| struct radeon_bo *cb_color_frag_bo[8]; |
| struct radeon_bo *cb_color_tile_bo[8]; |
| u32 cb_color_info[8]; |
| u32 cb_color_size_idx[8]; |
| u32 cb_target_mask; |
| u32 cb_shader_mask; |
| u32 cb_color_size[8]; |
| u32 vgt_strmout_en; |
| u32 vgt_strmout_buffer_en; |
| u32 db_depth_control; |
| u32 db_depth_info; |
| u32 db_depth_size_idx; |
| u32 db_depth_view; |
| u32 db_depth_size; |
| u32 db_offset; |
| struct radeon_bo *db_bo; |
| }; |
| |
| static inline int r600_bpe_from_format(u32 *bpe, u32 format) |
| { |
| switch (format) { |
| case V_038004_COLOR_8: |
| case V_038004_COLOR_4_4: |
| case V_038004_COLOR_3_3_2: |
| case V_038004_FMT_1: |
| *bpe = 1; |
| break; |
| case V_038004_COLOR_16: |
| case V_038004_COLOR_16_FLOAT: |
| case V_038004_COLOR_8_8: |
| case V_038004_COLOR_5_6_5: |
| case V_038004_COLOR_6_5_5: |
| case V_038004_COLOR_1_5_5_5: |
| case V_038004_COLOR_4_4_4_4: |
| case V_038004_COLOR_5_5_5_1: |
| *bpe = 2; |
| break; |
| case V_038004_FMT_8_8_8: |
| *bpe = 3; |
| break; |
| case V_038004_COLOR_32: |
| case V_038004_COLOR_32_FLOAT: |
| case V_038004_COLOR_16_16: |
| case V_038004_COLOR_16_16_FLOAT: |
| case V_038004_COLOR_8_24: |
| case V_038004_COLOR_8_24_FLOAT: |
| case V_038004_COLOR_24_8: |
| case V_038004_COLOR_24_8_FLOAT: |
| case V_038004_COLOR_10_11_11: |
| case V_038004_COLOR_10_11_11_FLOAT: |
| case V_038004_COLOR_11_11_10: |
| case V_038004_COLOR_11_11_10_FLOAT: |
| case V_038004_COLOR_2_10_10_10: |
| case V_038004_COLOR_8_8_8_8: |
| case V_038004_COLOR_10_10_10_2: |
| case V_038004_FMT_5_9_9_9_SHAREDEXP: |
| case V_038004_FMT_32_AS_8: |
| case V_038004_FMT_32_AS_8_8: |
| *bpe = 4; |
| break; |
| case V_038004_COLOR_X24_8_32_FLOAT: |
| case V_038004_COLOR_32_32: |
| case V_038004_COLOR_32_32_FLOAT: |
| case V_038004_COLOR_16_16_16_16: |
| case V_038004_COLOR_16_16_16_16_FLOAT: |
| *bpe = 8; |
| break; |
| case V_038004_FMT_16_16_16: |
| case V_038004_FMT_16_16_16_FLOAT: |
| *bpe = 6; |
| break; |
| case V_038004_FMT_32_32_32: |
| case V_038004_FMT_32_32_32_FLOAT: |
| *bpe = 12; |
| break; |
| case V_038004_COLOR_32_32_32_32: |
| case V_038004_COLOR_32_32_32_32_FLOAT: |
| *bpe = 16; |
| break; |
| case V_038004_FMT_GB_GR: |
| case V_038004_FMT_BG_RG: |
| case V_038004_COLOR_INVALID: |
| *bpe = 16; |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static void r600_cs_track_init(struct r600_cs_track *track) |
| { |
| int i; |
| |
| /* assume DX9 mode */ |
| track->sq_config = DX9_CONSTS; |
| for (i = 0; i < 8; i++) { |
| track->cb_color_base_last[i] = 0; |
| track->cb_color_size[i] = 0; |
| track->cb_color_size_idx[i] = 0; |
| track->cb_color_info[i] = 0; |
| track->cb_color_bo[i] = NULL; |
| track->cb_color_bo_offset[i] = 0xFFFFFFFF; |
| } |
| track->cb_target_mask = 0xFFFFFFFF; |
| track->cb_shader_mask = 0xFFFFFFFF; |
| track->db_bo = NULL; |
| /* assume the biggest format and that htile is enabled */ |
| track->db_depth_info = 7 | (1 << 25); |
| track->db_depth_view = 0xFFFFC000; |
| track->db_depth_size = 0xFFFFFFFF; |
| track->db_depth_size_idx = 0; |
| track->db_depth_control = 0xFFFFFFFF; |
| } |
| |
| static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) |
| { |
| struct r600_cs_track *track = p->track; |
| u32 bpe = 0, pitch, slice_tile_max, size, tmp, height, pitch_align; |
| volatile u32 *ib = p->ib->ptr; |
| |
| if (G_0280A0_TILE_MODE(track->cb_color_info[i])) { |
| dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n"); |
| return -EINVAL; |
| } |
| size = radeon_bo_size(track->cb_color_bo[i]); |
| if (r600_bpe_from_format(&bpe, G_0280A0_FORMAT(track->cb_color_info[i]))) { |
| dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n", |
| __func__, __LINE__, G_0280A0_FORMAT(track->cb_color_info[i]), |
| i, track->cb_color_info[i]); |
| return -EINVAL; |
| } |
| /* pitch is the number of 8x8 tiles per row */ |
| pitch = G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1; |
| slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1; |
| height = size / (pitch * 8 * bpe); |
| if (height > 8192) |
| height = 8192; |
| if (height > 7) |
| height &= ~0x7; |
| switch (G_0280A0_ARRAY_MODE(track->cb_color_info[i])) { |
| case V_0280A0_ARRAY_LINEAR_GENERAL: |
| /* technically height & 0x7 */ |
| break; |
| case V_0280A0_ARRAY_LINEAR_ALIGNED: |
| pitch_align = max((u32)64, (u32)(track->group_size / bpe)) / 8; |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| if (!IS_ALIGNED(height, 8)) { |
| dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", |
| __func__, __LINE__, height); |
| return -EINVAL; |
| } |
| break; |
| case V_0280A0_ARRAY_1D_TILED_THIN1: |
| pitch_align = max((u32)8, (u32)(track->group_size / (8 * bpe * track->nsamples))) / 8; |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| if (!IS_ALIGNED(height, 8)) { |
| dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", |
| __func__, __LINE__, height); |
| return -EINVAL; |
| } |
| break; |
| case V_0280A0_ARRAY_2D_TILED_THIN1: |
| pitch_align = max((u32)track->nbanks, |
| (u32)(((track->group_size / 8) / (bpe * track->nsamples)) * track->nbanks)); |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| if (!IS_ALIGNED((height / 8), track->nbanks)) { |
| dev_warn(p->dev, "%s:%d cb height (%d) invalid\n", |
| __func__, __LINE__, height); |
| return -EINVAL; |
| } |
| break; |
| default: |
| dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__, |
| G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i, |
| track->cb_color_info[i]); |
| return -EINVAL; |
| } |
| /* check offset */ |
| tmp = height * pitch * 8 * bpe; |
| if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) { |
| dev_warn(p->dev, "%s offset[%d] %d too big\n", __func__, i, track->cb_color_bo_offset[i]); |
| return -EINVAL; |
| } |
| if (!IS_ALIGNED(track->cb_color_bo_offset[i], track->group_size)) { |
| dev_warn(p->dev, "%s offset[%d] %d not aligned\n", __func__, i, track->cb_color_bo_offset[i]); |
| return -EINVAL; |
| } |
| /* limit max tile */ |
| tmp = (height * pitch * 8) >> 6; |
| if (tmp < slice_tile_max) |
| slice_tile_max = tmp; |
| tmp = S_028060_PITCH_TILE_MAX(pitch - 1) | |
| S_028060_SLICE_TILE_MAX(slice_tile_max - 1); |
| ib[track->cb_color_size_idx[i]] = tmp; |
| return 0; |
| } |
| |
| static int r600_cs_track_check(struct radeon_cs_parser *p) |
| { |
| struct r600_cs_track *track = p->track; |
| u32 tmp; |
| int r, i; |
| volatile u32 *ib = p->ib->ptr; |
| |
| /* on legacy kernel we don't perform advanced check */ |
| if (p->rdev == NULL) |
| return 0; |
| /* we don't support out buffer yet */ |
| if (track->vgt_strmout_en || track->vgt_strmout_buffer_en) { |
| dev_warn(p->dev, "this kernel doesn't support SMX output buffer\n"); |
| return -EINVAL; |
| } |
| /* check that we have a cb for each enabled target, we don't check |
| * shader_mask because it seems mesa isn't always setting it :( |
| */ |
| tmp = track->cb_target_mask; |
| for (i = 0; i < 8; i++) { |
| if ((tmp >> (i * 4)) & 0xF) { |
| /* at least one component is enabled */ |
| if (track->cb_color_bo[i] == NULL) { |
| dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n", |
| __func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i); |
| return -EINVAL; |
| } |
| /* perform rewrite of CB_COLOR[0-7]_SIZE */ |
| r = r600_cs_track_validate_cb(p, i); |
| if (r) |
| return r; |
| } |
| } |
| /* Check depth buffer */ |
| if (G_028800_STENCIL_ENABLE(track->db_depth_control) || |
| G_028800_Z_ENABLE(track->db_depth_control)) { |
| u32 nviews, bpe, ntiles, pitch, pitch_align, height, size; |
| if (track->db_bo == NULL) { |
| dev_warn(p->dev, "z/stencil with no depth buffer\n"); |
| return -EINVAL; |
| } |
| if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) { |
| dev_warn(p->dev, "this kernel doesn't support z/stencil htile\n"); |
| return -EINVAL; |
| } |
| switch (G_028010_FORMAT(track->db_depth_info)) { |
| case V_028010_DEPTH_16: |
| bpe = 2; |
| break; |
| case V_028010_DEPTH_X8_24: |
| case V_028010_DEPTH_8_24: |
| case V_028010_DEPTH_X8_24_FLOAT: |
| case V_028010_DEPTH_8_24_FLOAT: |
| case V_028010_DEPTH_32_FLOAT: |
| bpe = 4; |
| break; |
| case V_028010_DEPTH_X24_8_32_FLOAT: |
| bpe = 8; |
| break; |
| default: |
| dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info)); |
| return -EINVAL; |
| } |
| if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) { |
| if (!track->db_depth_size_idx) { |
| dev_warn(p->dev, "z/stencil buffer size not set\n"); |
| return -EINVAL; |
| } |
| printk_once(KERN_WARNING "You have old & broken userspace please consider updating mesa\n"); |
| tmp = radeon_bo_size(track->db_bo) - track->db_offset; |
| tmp = (tmp / bpe) >> 6; |
| if (!tmp) { |
| dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n", |
| track->db_depth_size, bpe, track->db_offset, |
| radeon_bo_size(track->db_bo)); |
| return -EINVAL; |
| } |
| ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF); |
| } else { |
| size = radeon_bo_size(track->db_bo); |
| pitch = G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1; |
| height = size / (pitch * 8 * bpe); |
| height &= ~0x7; |
| if (!height) |
| height = 8; |
| |
| switch (G_028010_ARRAY_MODE(track->db_depth_info)) { |
| case V_028010_ARRAY_1D_TILED_THIN1: |
| pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8); |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| if (!IS_ALIGNED(height, 8)) { |
| dev_warn(p->dev, "%s:%d db height (%d) invalid\n", |
| __func__, __LINE__, height); |
| return -EINVAL; |
| } |
| break; |
| case V_028010_ARRAY_2D_TILED_THIN1: |
| pitch_align = max((u32)track->nbanks, |
| (u32)(((track->group_size / 8) / bpe) * track->nbanks)); |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| if ((height / 8) & (track->nbanks - 1)) { |
| dev_warn(p->dev, "%s:%d db height (%d) invalid\n", |
| __func__, __LINE__, height); |
| return -EINVAL; |
| } |
| break; |
| default: |
| dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, |
| G_028010_ARRAY_MODE(track->db_depth_info), |
| track->db_depth_info); |
| return -EINVAL; |
| } |
| if (!IS_ALIGNED(track->db_offset, track->group_size)) { |
| dev_warn(p->dev, "%s offset[%d] %d not aligned\n", __func__, i, track->db_offset); |
| return -EINVAL; |
| } |
| ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; |
| nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1; |
| tmp = ntiles * bpe * 64 * nviews; |
| if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) { |
| dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %d -> %d have %ld)\n", |
| track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset, |
| radeon_bo_size(track->db_bo)); |
| return -EINVAL; |
| } |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * r600_cs_packet_parse() - parse cp packet and point ib index to next packet |
| * @parser: parser structure holding parsing context. |
| * @pkt: where to store packet informations |
| * |
| * Assume that chunk_ib_index is properly set. Will return -EINVAL |
| * if packet is bigger than remaining ib size. or if packets is unknown. |
| **/ |
| int r600_cs_packet_parse(struct radeon_cs_parser *p, |
| struct radeon_cs_packet *pkt, |
| unsigned idx) |
| { |
| struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx]; |
| uint32_t header; |
| |
| if (idx >= ib_chunk->length_dw) { |
| DRM_ERROR("Can not parse packet at %d after CS end %d !\n", |
| idx, ib_chunk->length_dw); |
| return -EINVAL; |
| } |
| header = radeon_get_ib_value(p, idx); |
| pkt->idx = idx; |
| pkt->type = CP_PACKET_GET_TYPE(header); |
| pkt->count = CP_PACKET_GET_COUNT(header); |
| pkt->one_reg_wr = 0; |
| switch (pkt->type) { |
| case PACKET_TYPE0: |
| pkt->reg = CP_PACKET0_GET_REG(header); |
| break; |
| case PACKET_TYPE3: |
| pkt->opcode = CP_PACKET3_GET_OPCODE(header); |
| break; |
| case PACKET_TYPE2: |
| pkt->count = -1; |
| break; |
| default: |
| DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx); |
| return -EINVAL; |
| } |
| if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) { |
| DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n", |
| pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| /** |
| * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3 |
| * @parser: parser structure holding parsing context. |
| * @data: pointer to relocation data |
| * @offset_start: starting offset |
| * @offset_mask: offset mask (to align start offset on) |
| * @reloc: reloc informations |
| * |
| * Check next packet is relocation packet3, do bo validation and compute |
| * GPU offset using the provided start. |
| **/ |
| static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p, |
| struct radeon_cs_reloc **cs_reloc) |
| { |
| struct radeon_cs_chunk *relocs_chunk; |
| struct radeon_cs_packet p3reloc; |
| unsigned idx; |
| int r; |
| |
| if (p->chunk_relocs_idx == -1) { |
| DRM_ERROR("No relocation chunk !\n"); |
| return -EINVAL; |
| } |
| *cs_reloc = NULL; |
| relocs_chunk = &p->chunks[p->chunk_relocs_idx]; |
| r = r600_cs_packet_parse(p, &p3reloc, p->idx); |
| if (r) { |
| return r; |
| } |
| p->idx += p3reloc.count + 2; |
| if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { |
| DRM_ERROR("No packet3 for relocation for packet at %d.\n", |
| p3reloc.idx); |
| return -EINVAL; |
| } |
| idx = radeon_get_ib_value(p, p3reloc.idx + 1); |
| if (idx >= relocs_chunk->length_dw) { |
| DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", |
| idx, relocs_chunk->length_dw); |
| return -EINVAL; |
| } |
| /* FIXME: we assume reloc size is 4 dwords */ |
| *cs_reloc = p->relocs_ptr[(idx / 4)]; |
| return 0; |
| } |
| |
| /** |
| * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3 |
| * @parser: parser structure holding parsing context. |
| * @data: pointer to relocation data |
| * @offset_start: starting offset |
| * @offset_mask: offset mask (to align start offset on) |
| * @reloc: reloc informations |
| * |
| * Check next packet is relocation packet3, do bo validation and compute |
| * GPU offset using the provided start. |
| **/ |
| static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p, |
| struct radeon_cs_reloc **cs_reloc) |
| { |
| struct radeon_cs_chunk *relocs_chunk; |
| struct radeon_cs_packet p3reloc; |
| unsigned idx; |
| int r; |
| |
| if (p->chunk_relocs_idx == -1) { |
| DRM_ERROR("No relocation chunk !\n"); |
| return -EINVAL; |
| } |
| *cs_reloc = NULL; |
| relocs_chunk = &p->chunks[p->chunk_relocs_idx]; |
| r = r600_cs_packet_parse(p, &p3reloc, p->idx); |
| if (r) { |
| return r; |
| } |
| p->idx += p3reloc.count + 2; |
| if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { |
| DRM_ERROR("No packet3 for relocation for packet at %d.\n", |
| p3reloc.idx); |
| return -EINVAL; |
| } |
| idx = radeon_get_ib_value(p, p3reloc.idx + 1); |
| if (idx >= relocs_chunk->length_dw) { |
| DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", |
| idx, relocs_chunk->length_dw); |
| return -EINVAL; |
| } |
| *cs_reloc = p->relocs; |
| (*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32; |
| (*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0]; |
| return 0; |
| } |
| |
| /** |
| * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc |
| * @parser: parser structure holding parsing context. |
| * |
| * Check next packet is relocation packet3, do bo validation and compute |
| * GPU offset using the provided start. |
| **/ |
| static inline int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p) |
| { |
| struct radeon_cs_packet p3reloc; |
| int r; |
| |
| r = r600_cs_packet_parse(p, &p3reloc, p->idx); |
| if (r) { |
| return 0; |
| } |
| if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { |
| return 0; |
| } |
| return 1; |
| } |
| |
| /** |
| * r600_cs_packet_next_vline() - parse userspace VLINE packet |
| * @parser: parser structure holding parsing context. |
| * |
| * Userspace sends a special sequence for VLINE waits. |
| * PACKET0 - VLINE_START_END + value |
| * PACKET3 - WAIT_REG_MEM poll vline status reg |
| * RELOC (P3) - crtc_id in reloc. |
| * |
| * This function parses this and relocates the VLINE START END |
| * and WAIT_REG_MEM packets to the correct crtc. |
| * It also detects a switched off crtc and nulls out the |
| * wait in that case. |
| */ |
| static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p) |
| { |
| struct drm_mode_object *obj; |
| struct drm_crtc *crtc; |
| struct radeon_crtc *radeon_crtc; |
| struct radeon_cs_packet p3reloc, wait_reg_mem; |
| int crtc_id; |
| int r; |
| uint32_t header, h_idx, reg, wait_reg_mem_info; |
| volatile uint32_t *ib; |
| |
| ib = p->ib->ptr; |
| |
| /* parse the WAIT_REG_MEM */ |
| r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx); |
| if (r) |
| return r; |
| |
| /* check its a WAIT_REG_MEM */ |
| if (wait_reg_mem.type != PACKET_TYPE3 || |
| wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) { |
| DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n"); |
| r = -EINVAL; |
| return r; |
| } |
| |
| wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1); |
| /* bit 4 is reg (0) or mem (1) */ |
| if (wait_reg_mem_info & 0x10) { |
| DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n"); |
| r = -EINVAL; |
| return r; |
| } |
| /* waiting for value to be equal */ |
| if ((wait_reg_mem_info & 0x7) != 0x3) { |
| DRM_ERROR("vline WAIT_REG_MEM function not equal\n"); |
| r = -EINVAL; |
| return r; |
| } |
| if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) { |
| DRM_ERROR("vline WAIT_REG_MEM bad reg\n"); |
| r = -EINVAL; |
| return r; |
| } |
| |
| if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) { |
| DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n"); |
| r = -EINVAL; |
| return r; |
| } |
| |
| /* jump over the NOP */ |
| r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2); |
| if (r) |
| return r; |
| |
| h_idx = p->idx - 2; |
| p->idx += wait_reg_mem.count + 2; |
| p->idx += p3reloc.count + 2; |
| |
| header = radeon_get_ib_value(p, h_idx); |
| crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1); |
| reg = CP_PACKET0_GET_REG(header); |
| mutex_lock(&p->rdev->ddev->mode_config.mutex); |
| obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); |
| if (!obj) { |
| DRM_ERROR("cannot find crtc %d\n", crtc_id); |
| r = -EINVAL; |
| goto out; |
| } |
| crtc = obj_to_crtc(obj); |
| radeon_crtc = to_radeon_crtc(crtc); |
| crtc_id = radeon_crtc->crtc_id; |
| |
| if (!crtc->enabled) { |
| /* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */ |
| ib[h_idx + 2] = PACKET2(0); |
| ib[h_idx + 3] = PACKET2(0); |
| ib[h_idx + 4] = PACKET2(0); |
| ib[h_idx + 5] = PACKET2(0); |
| ib[h_idx + 6] = PACKET2(0); |
| ib[h_idx + 7] = PACKET2(0); |
| ib[h_idx + 8] = PACKET2(0); |
| } else if (crtc_id == 1) { |
| switch (reg) { |
| case AVIVO_D1MODE_VLINE_START_END: |
| header &= ~R600_CP_PACKET0_REG_MASK; |
| header |= AVIVO_D2MODE_VLINE_START_END >> 2; |
| break; |
| default: |
| DRM_ERROR("unknown crtc reloc\n"); |
| r = -EINVAL; |
| goto out; |
| } |
| ib[h_idx] = header; |
| ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2; |
| } |
| out: |
| mutex_unlock(&p->rdev->ddev->mode_config.mutex); |
| return r; |
| } |
| |
| static int r600_packet0_check(struct radeon_cs_parser *p, |
| struct radeon_cs_packet *pkt, |
| unsigned idx, unsigned reg) |
| { |
| int r; |
| |
| switch (reg) { |
| case AVIVO_D1MODE_VLINE_START_END: |
| r = r600_cs_packet_parse_vline(p); |
| if (r) { |
| DRM_ERROR("No reloc for ib[%d]=0x%04X\n", |
| idx, reg); |
| return r; |
| } |
| break; |
| default: |
| printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n", |
| reg, idx); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int r600_cs_parse_packet0(struct radeon_cs_parser *p, |
| struct radeon_cs_packet *pkt) |
| { |
| unsigned reg, i; |
| unsigned idx; |
| int r; |
| |
| idx = pkt->idx + 1; |
| reg = pkt->reg; |
| for (i = 0; i <= pkt->count; i++, idx++, reg += 4) { |
| r = r600_packet0_check(p, pkt, idx, reg); |
| if (r) { |
| return r; |
| } |
| } |
| return 0; |
| } |
| |
| /** |
| * r600_cs_check_reg() - check if register is authorized or not |
| * @parser: parser structure holding parsing context |
| * @reg: register we are testing |
| * @idx: index into the cs buffer |
| * |
| * This function will test against r600_reg_safe_bm and return 0 |
| * if register is safe. If register is not flag as safe this function |
| * will test it against a list of register needind special handling. |
| */ |
| static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) |
| { |
| struct r600_cs_track *track = (struct r600_cs_track *)p->track; |
| struct radeon_cs_reloc *reloc; |
| u32 last_reg = ARRAY_SIZE(r600_reg_safe_bm); |
| u32 m, i, tmp, *ib; |
| int r; |
| |
| i = (reg >> 7); |
| if (i > last_reg) { |
| dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); |
| return -EINVAL; |
| } |
| m = 1 << ((reg >> 2) & 31); |
| if (!(r600_reg_safe_bm[i] & m)) |
| return 0; |
| ib = p->ib->ptr; |
| switch (reg) { |
| /* force following reg to 0 in an attemp to disable out buffer |
| * which will need us to better understand how it works to perform |
| * security check on it (Jerome) |
| */ |
| case R_0288A8_SQ_ESGS_RING_ITEMSIZE: |
| case R_008C44_SQ_ESGS_RING_SIZE: |
| case R_0288B0_SQ_ESTMP_RING_ITEMSIZE: |
| case R_008C54_SQ_ESTMP_RING_SIZE: |
| case R_0288C0_SQ_FBUF_RING_ITEMSIZE: |
| case R_008C74_SQ_FBUF_RING_SIZE: |
| case R_0288B4_SQ_GSTMP_RING_ITEMSIZE: |
| case R_008C5C_SQ_GSTMP_RING_SIZE: |
| case R_0288AC_SQ_GSVS_RING_ITEMSIZE: |
| case R_008C4C_SQ_GSVS_RING_SIZE: |
| case R_0288BC_SQ_PSTMP_RING_ITEMSIZE: |
| case R_008C6C_SQ_PSTMP_RING_SIZE: |
| case R_0288C4_SQ_REDUC_RING_ITEMSIZE: |
| case R_008C7C_SQ_REDUC_RING_SIZE: |
| case R_0288B8_SQ_VSTMP_RING_ITEMSIZE: |
| case R_008C64_SQ_VSTMP_RING_SIZE: |
| case R_0288C8_SQ_GS_VERT_ITEMSIZE: |
| /* get value to populate the IB don't remove */ |
| tmp =radeon_get_ib_value(p, idx); |
| ib[idx] = 0; |
| break; |
| case SQ_CONFIG: |
| track->sq_config = radeon_get_ib_value(p, idx); |
| break; |
| case R_028800_DB_DEPTH_CONTROL: |
| track->db_depth_control = radeon_get_ib_value(p, idx); |
| break; |
| case R_028010_DB_DEPTH_INFO: |
| if (r600_cs_packet_next_is_pkt3_nop(p)) { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_warn(p->dev, "bad SET_CONTEXT_REG " |
| "0x%04X\n", reg); |
| return -EINVAL; |
| } |
| track->db_depth_info = radeon_get_ib_value(p, idx); |
| ib[idx] &= C_028010_ARRAY_MODE; |
| track->db_depth_info &= C_028010_ARRAY_MODE; |
| if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { |
| ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1); |
| track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1); |
| } else { |
| ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1); |
| track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1); |
| } |
| } else |
| track->db_depth_info = radeon_get_ib_value(p, idx); |
| break; |
| case R_028004_DB_DEPTH_VIEW: |
| track->db_depth_view = radeon_get_ib_value(p, idx); |
| break; |
| case R_028000_DB_DEPTH_SIZE: |
| track->db_depth_size = radeon_get_ib_value(p, idx); |
| track->db_depth_size_idx = idx; |
| break; |
| case R_028AB0_VGT_STRMOUT_EN: |
| track->vgt_strmout_en = radeon_get_ib_value(p, idx); |
| break; |
| case R_028B20_VGT_STRMOUT_BUFFER_EN: |
| track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx); |
| break; |
| case R_028238_CB_TARGET_MASK: |
| track->cb_target_mask = radeon_get_ib_value(p, idx); |
| break; |
| case R_02823C_CB_SHADER_MASK: |
| track->cb_shader_mask = radeon_get_ib_value(p, idx); |
| break; |
| case R_028C04_PA_SC_AA_CONFIG: |
| tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx)); |
| track->nsamples = 1 << tmp; |
| break; |
| case R_0280A0_CB_COLOR0_INFO: |
| case R_0280A4_CB_COLOR1_INFO: |
| case R_0280A8_CB_COLOR2_INFO: |
| case R_0280AC_CB_COLOR3_INFO: |
| case R_0280B0_CB_COLOR4_INFO: |
| case R_0280B4_CB_COLOR5_INFO: |
| case R_0280B8_CB_COLOR6_INFO: |
| case R_0280BC_CB_COLOR7_INFO: |
| if (r600_cs_packet_next_is_pkt3_nop(p)) { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); |
| return -EINVAL; |
| } |
| tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4; |
| track->cb_color_info[tmp] = radeon_get_ib_value(p, idx); |
| if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { |
| ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1); |
| track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1); |
| } else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { |
| ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1); |
| track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1); |
| } |
| } else { |
| tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4; |
| track->cb_color_info[tmp] = radeon_get_ib_value(p, idx); |
| } |
| break; |
| case R_028060_CB_COLOR0_SIZE: |
| case R_028064_CB_COLOR1_SIZE: |
| case R_028068_CB_COLOR2_SIZE: |
| case R_02806C_CB_COLOR3_SIZE: |
| case R_028070_CB_COLOR4_SIZE: |
| case R_028074_CB_COLOR5_SIZE: |
| case R_028078_CB_COLOR6_SIZE: |
| case R_02807C_CB_COLOR7_SIZE: |
| tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4; |
| track->cb_color_size[tmp] = radeon_get_ib_value(p, idx); |
| track->cb_color_size_idx[tmp] = idx; |
| break; |
| /* This register were added late, there is userspace |
| * which does provide relocation for those but set |
| * 0 offset. In order to avoid breaking old userspace |
| * we detect this and set address to point to last |
| * CB_COLOR0_BASE, note that if userspace doesn't set |
| * CB_COLOR0_BASE before this register we will report |
| * error. Old userspace always set CB_COLOR0_BASE |
| * before any of this. |
| */ |
| case R_0280E0_CB_COLOR0_FRAG: |
| case R_0280E4_CB_COLOR1_FRAG: |
| case R_0280E8_CB_COLOR2_FRAG: |
| case R_0280EC_CB_COLOR3_FRAG: |
| case R_0280F0_CB_COLOR4_FRAG: |
| case R_0280F4_CB_COLOR5_FRAG: |
| case R_0280F8_CB_COLOR6_FRAG: |
| case R_0280FC_CB_COLOR7_FRAG: |
| tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4; |
| if (!r600_cs_packet_next_is_pkt3_nop(p)) { |
| if (!track->cb_color_base_last[tmp]) { |
| dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg); |
| return -EINVAL; |
| } |
| ib[idx] = track->cb_color_base_last[tmp]; |
| printk_once(KERN_WARNING "You have old & broken userspace " |
| "please consider updating mesa & xf86-video-ati\n"); |
| track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp]; |
| } else { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); |
| return -EINVAL; |
| } |
| ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| track->cb_color_frag_bo[tmp] = reloc->robj; |
| } |
| break; |
| case R_0280C0_CB_COLOR0_TILE: |
| case R_0280C4_CB_COLOR1_TILE: |
| case R_0280C8_CB_COLOR2_TILE: |
| case R_0280CC_CB_COLOR3_TILE: |
| case R_0280D0_CB_COLOR4_TILE: |
| case R_0280D4_CB_COLOR5_TILE: |
| case R_0280D8_CB_COLOR6_TILE: |
| case R_0280DC_CB_COLOR7_TILE: |
| tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4; |
| if (!r600_cs_packet_next_is_pkt3_nop(p)) { |
| if (!track->cb_color_base_last[tmp]) { |
| dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg); |
| return -EINVAL; |
| } |
| ib[idx] = track->cb_color_base_last[tmp]; |
| printk_once(KERN_WARNING "You have old & broken userspace " |
| "please consider updating mesa & xf86-video-ati\n"); |
| track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp]; |
| } else { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); |
| return -EINVAL; |
| } |
| ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| track->cb_color_tile_bo[tmp] = reloc->robj; |
| } |
| break; |
| case CB_COLOR0_BASE: |
| case CB_COLOR1_BASE: |
| case CB_COLOR2_BASE: |
| case CB_COLOR3_BASE: |
| case CB_COLOR4_BASE: |
| case CB_COLOR5_BASE: |
| case CB_COLOR6_BASE: |
| case CB_COLOR7_BASE: |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_warn(p->dev, "bad SET_CONTEXT_REG " |
| "0x%04X\n", reg); |
| return -EINVAL; |
| } |
| tmp = (reg - CB_COLOR0_BASE) / 4; |
| track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx); |
| ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| track->cb_color_base_last[tmp] = ib[idx]; |
| track->cb_color_bo[tmp] = reloc->robj; |
| break; |
| case DB_DEPTH_BASE: |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_warn(p->dev, "bad SET_CONTEXT_REG " |
| "0x%04X\n", reg); |
| return -EINVAL; |
| } |
| track->db_offset = radeon_get_ib_value(p, idx); |
| ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| track->db_bo = reloc->robj; |
| break; |
| case DB_HTILE_DATA_BASE: |
| case SQ_PGM_START_FS: |
| case SQ_PGM_START_ES: |
| case SQ_PGM_START_VS: |
| case SQ_PGM_START_GS: |
| case SQ_PGM_START_PS: |
| case SQ_ALU_CONST_CACHE_GS_0: |
| case SQ_ALU_CONST_CACHE_GS_1: |
| case SQ_ALU_CONST_CACHE_GS_2: |
| case SQ_ALU_CONST_CACHE_GS_3: |
| case SQ_ALU_CONST_CACHE_GS_4: |
| case SQ_ALU_CONST_CACHE_GS_5: |
| case SQ_ALU_CONST_CACHE_GS_6: |
| case SQ_ALU_CONST_CACHE_GS_7: |
| case SQ_ALU_CONST_CACHE_GS_8: |
| case SQ_ALU_CONST_CACHE_GS_9: |
| case SQ_ALU_CONST_CACHE_GS_10: |
| case SQ_ALU_CONST_CACHE_GS_11: |
| case SQ_ALU_CONST_CACHE_GS_12: |
| case SQ_ALU_CONST_CACHE_GS_13: |
| case SQ_ALU_CONST_CACHE_GS_14: |
| case SQ_ALU_CONST_CACHE_GS_15: |
| case SQ_ALU_CONST_CACHE_PS_0: |
| case SQ_ALU_CONST_CACHE_PS_1: |
| case SQ_ALU_CONST_CACHE_PS_2: |
| case SQ_ALU_CONST_CACHE_PS_3: |
| case SQ_ALU_CONST_CACHE_PS_4: |
| case SQ_ALU_CONST_CACHE_PS_5: |
| case SQ_ALU_CONST_CACHE_PS_6: |
| case SQ_ALU_CONST_CACHE_PS_7: |
| case SQ_ALU_CONST_CACHE_PS_8: |
| case SQ_ALU_CONST_CACHE_PS_9: |
| case SQ_ALU_CONST_CACHE_PS_10: |
| case SQ_ALU_CONST_CACHE_PS_11: |
| case SQ_ALU_CONST_CACHE_PS_12: |
| case SQ_ALU_CONST_CACHE_PS_13: |
| case SQ_ALU_CONST_CACHE_PS_14: |
| case SQ_ALU_CONST_CACHE_PS_15: |
| case SQ_ALU_CONST_CACHE_VS_0: |
| case SQ_ALU_CONST_CACHE_VS_1: |
| case SQ_ALU_CONST_CACHE_VS_2: |
| case SQ_ALU_CONST_CACHE_VS_3: |
| case SQ_ALU_CONST_CACHE_VS_4: |
| case SQ_ALU_CONST_CACHE_VS_5: |
| case SQ_ALU_CONST_CACHE_VS_6: |
| case SQ_ALU_CONST_CACHE_VS_7: |
| case SQ_ALU_CONST_CACHE_VS_8: |
| case SQ_ALU_CONST_CACHE_VS_9: |
| case SQ_ALU_CONST_CACHE_VS_10: |
| case SQ_ALU_CONST_CACHE_VS_11: |
| case SQ_ALU_CONST_CACHE_VS_12: |
| case SQ_ALU_CONST_CACHE_VS_13: |
| case SQ_ALU_CONST_CACHE_VS_14: |
| case SQ_ALU_CONST_CACHE_VS_15: |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| dev_warn(p->dev, "bad SET_CONTEXT_REG " |
| "0x%04X\n", reg); |
| return -EINVAL; |
| } |
| ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| break; |
| default: |
| dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static inline unsigned minify(unsigned size, unsigned levels) |
| { |
| size = size >> levels; |
| if (size < 1) |
| size = 1; |
| return size; |
| } |
| |
| static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned nlevels, |
| unsigned w0, unsigned h0, unsigned d0, unsigned bpe, |
| unsigned pitch_align, |
| unsigned *l0_size, unsigned *mipmap_size) |
| { |
| unsigned offset, i, level, face; |
| unsigned width, height, depth, rowstride, size; |
| |
| w0 = minify(w0, 0); |
| h0 = minify(h0, 0); |
| d0 = minify(d0, 0); |
| for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) { |
| width = minify(w0, i); |
| height = minify(h0, i); |
| depth = minify(d0, i); |
| for(face = 0; face < nfaces; face++) { |
| rowstride = ALIGN((width * bpe), pitch_align); |
| size = height * rowstride * depth; |
| offset += size; |
| offset = (offset + 0x1f) & ~0x1f; |
| } |
| } |
| *l0_size = ALIGN((w0 * bpe), pitch_align) * h0 * d0; |
| *mipmap_size = offset; |
| if (!blevel) |
| *mipmap_size -= *l0_size; |
| if (!nlevels) |
| *mipmap_size = *l0_size; |
| } |
| |
| /** |
| * r600_check_texture_resource() - check if register is authorized or not |
| * @p: parser structure holding parsing context |
| * @idx: index into the cs buffer |
| * @texture: texture's bo structure |
| * @mipmap: mipmap's bo structure |
| * |
| * This function will check that the resource has valid field and that |
| * the texture and mipmap bo object are big enough to cover this resource. |
| */ |
| static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, |
| struct radeon_bo *texture, |
| struct radeon_bo *mipmap, |
| u32 tiling_flags) |
| { |
| struct r600_cs_track *track = p->track; |
| u32 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0; |
| u32 word0, word1, l0_size, mipmap_size, pitch, pitch_align; |
| |
| /* on legacy kernel we don't perform advanced check */ |
| if (p->rdev == NULL) |
| return 0; |
| |
| word0 = radeon_get_ib_value(p, idx + 0); |
| if (tiling_flags & RADEON_TILING_MACRO) |
| word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); |
| else if (tiling_flags & RADEON_TILING_MICRO) |
| word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); |
| word1 = radeon_get_ib_value(p, idx + 1); |
| w0 = G_038000_TEX_WIDTH(word0) + 1; |
| h0 = G_038004_TEX_HEIGHT(word1) + 1; |
| d0 = G_038004_TEX_DEPTH(word1); |
| nfaces = 1; |
| switch (G_038000_DIM(word0)) { |
| case V_038000_SQ_TEX_DIM_1D: |
| case V_038000_SQ_TEX_DIM_2D: |
| case V_038000_SQ_TEX_DIM_3D: |
| break; |
| case V_038000_SQ_TEX_DIM_CUBEMAP: |
| nfaces = 6; |
| break; |
| case V_038000_SQ_TEX_DIM_1D_ARRAY: |
| case V_038000_SQ_TEX_DIM_2D_ARRAY: |
| case V_038000_SQ_TEX_DIM_2D_MSAA: |
| case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA: |
| default: |
| dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0)); |
| return -EINVAL; |
| } |
| if (r600_bpe_from_format(&bpe, G_038004_DATA_FORMAT(word1))) { |
| dev_warn(p->dev, "%s:%d texture invalid format %d\n", |
| __func__, __LINE__, G_038004_DATA_FORMAT(word1)); |
| return -EINVAL; |
| } |
| |
| pitch = G_038000_PITCH(word0) + 1; |
| switch (G_038000_TILE_MODE(word0)) { |
| case V_038000_ARRAY_LINEAR_GENERAL: |
| pitch_align = 1; |
| /* XXX check height align */ |
| break; |
| case V_038000_ARRAY_LINEAR_ALIGNED: |
| pitch_align = max((u32)64, (u32)(track->group_size / bpe)) / 8; |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| /* XXX check height align */ |
| break; |
| case V_038000_ARRAY_1D_TILED_THIN1: |
| pitch_align = max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8; |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| /* XXX check height align */ |
| break; |
| case V_038000_ARRAY_2D_TILED_THIN1: |
| pitch_align = max((u32)track->nbanks, |
| (u32)(((track->group_size / 8) / bpe) * track->nbanks)); |
| if (!IS_ALIGNED(pitch, pitch_align)) { |
| dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n", |
| __func__, __LINE__, pitch); |
| return -EINVAL; |
| } |
| /* XXX check height align */ |
| break; |
| default: |
| dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, |
| G_038000_TILE_MODE(word0), word0); |
| return -EINVAL; |
| } |
| /* XXX check offset align */ |
| |
| word0 = radeon_get_ib_value(p, idx + 4); |
| word1 = radeon_get_ib_value(p, idx + 5); |
| blevel = G_038010_BASE_LEVEL(word0); |
| nlevels = G_038014_LAST_LEVEL(word1); |
| r600_texture_size(nfaces, blevel, nlevels, w0, h0, d0, bpe, |
| (pitch_align * bpe), |
| &l0_size, &mipmap_size); |
| /* using get ib will give us the offset into the texture bo */ |
| word0 = radeon_get_ib_value(p, idx + 2); |
| if ((l0_size + word0) > radeon_bo_size(texture)) { |
| dev_warn(p->dev, "texture bo too small (%d %d %d %d -> %d have %ld)\n", |
| w0, h0, bpe, word0, l0_size, radeon_bo_size(texture)); |
| return -EINVAL; |
| } |
| /* using get ib will give us the offset into the mipmap bo */ |
| word0 = radeon_get_ib_value(p, idx + 3); |
| if ((mipmap_size + word0) > radeon_bo_size(mipmap)) { |
| dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n", |
| w0, h0, bpe, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture)); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int r600_packet3_check(struct radeon_cs_parser *p, |
| struct radeon_cs_packet *pkt) |
| { |
| struct radeon_cs_reloc *reloc; |
| struct r600_cs_track *track; |
| volatile u32 *ib; |
| unsigned idx; |
| unsigned i; |
| unsigned start_reg, end_reg, reg; |
| int r; |
| u32 idx_value; |
| |
| track = (struct r600_cs_track *)p->track; |
| ib = p->ib->ptr; |
| idx = pkt->idx + 1; |
| idx_value = radeon_get_ib_value(p, idx); |
| |
| switch (pkt->opcode) { |
| case PACKET3_START_3D_CMDBUF: |
| if (p->family >= CHIP_RV770 || pkt->count) { |
| DRM_ERROR("bad START_3D\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_CONTEXT_CONTROL: |
| if (pkt->count != 1) { |
| DRM_ERROR("bad CONTEXT_CONTROL\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_INDEX_TYPE: |
| case PACKET3_NUM_INSTANCES: |
| if (pkt->count) { |
| DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_DRAW_INDEX: |
| if (pkt->count != 3) { |
| DRM_ERROR("bad DRAW_INDEX\n"); |
| return -EINVAL; |
| } |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad DRAW_INDEX\n"); |
| return -EINVAL; |
| } |
| ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff); |
| ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
| r = r600_cs_track_check(p); |
| if (r) { |
| dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__); |
| return r; |
| } |
| break; |
| case PACKET3_DRAW_INDEX_AUTO: |
| if (pkt->count != 1) { |
| DRM_ERROR("bad DRAW_INDEX_AUTO\n"); |
| return -EINVAL; |
| } |
| r = r600_cs_track_check(p); |
| if (r) { |
| dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx); |
| return r; |
| } |
| break; |
| case PACKET3_DRAW_INDEX_IMMD_BE: |
| case PACKET3_DRAW_INDEX_IMMD: |
| if (pkt->count < 2) { |
| DRM_ERROR("bad DRAW_INDEX_IMMD\n"); |
| return -EINVAL; |
| } |
| r = r600_cs_track_check(p); |
| if (r) { |
| dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__); |
| return r; |
| } |
| break; |
| case PACKET3_WAIT_REG_MEM: |
| if (pkt->count != 5) { |
| DRM_ERROR("bad WAIT_REG_MEM\n"); |
| return -EINVAL; |
| } |
| /* bit 4 is reg (0) or mem (1) */ |
| if (idx_value & 0x10) { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad WAIT_REG_MEM\n"); |
| return -EINVAL; |
| } |
| ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff); |
| ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
| } |
| break; |
| case PACKET3_SURFACE_SYNC: |
| if (pkt->count != 3) { |
| DRM_ERROR("bad SURFACE_SYNC\n"); |
| return -EINVAL; |
| } |
| /* 0xffffffff/0x0 is flush all cache flag */ |
| if (radeon_get_ib_value(p, idx + 1) != 0xffffffff || |
| radeon_get_ib_value(p, idx + 2) != 0) { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad SURFACE_SYNC\n"); |
| return -EINVAL; |
| } |
| ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| } |
| break; |
| case PACKET3_EVENT_WRITE: |
| if (pkt->count != 2 && pkt->count != 0) { |
| DRM_ERROR("bad EVENT_WRITE\n"); |
| return -EINVAL; |
| } |
| if (pkt->count) { |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad EVENT_WRITE\n"); |
| return -EINVAL; |
| } |
| ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff); |
| ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
| } |
| break; |
| case PACKET3_EVENT_WRITE_EOP: |
| if (pkt->count != 4) { |
| DRM_ERROR("bad EVENT_WRITE_EOP\n"); |
| return -EINVAL; |
| } |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad EVENT_WRITE\n"); |
| return -EINVAL; |
| } |
| ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff); |
| ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
| break; |
| case PACKET3_SET_CONFIG_REG: |
| start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) || |
| (start_reg >= PACKET3_SET_CONFIG_REG_END) || |
| (end_reg >= PACKET3_SET_CONFIG_REG_END)) { |
| DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n"); |
| return -EINVAL; |
| } |
| for (i = 0; i < pkt->count; i++) { |
| reg = start_reg + (4 * i); |
| r = r600_cs_check_reg(p, reg, idx+1+i); |
| if (r) |
| return r; |
| } |
| break; |
| case PACKET3_SET_CONTEXT_REG: |
| start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) || |
| (start_reg >= PACKET3_SET_CONTEXT_REG_END) || |
| (end_reg >= PACKET3_SET_CONTEXT_REG_END)) { |
| DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n"); |
| return -EINVAL; |
| } |
| for (i = 0; i < pkt->count; i++) { |
| reg = start_reg + (4 * i); |
| r = r600_cs_check_reg(p, reg, idx+1+i); |
| if (r) |
| return r; |
| } |
| break; |
| case PACKET3_SET_RESOURCE: |
| if (pkt->count % 7) { |
| DRM_ERROR("bad SET_RESOURCE\n"); |
| return -EINVAL; |
| } |
| start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) || |
| (start_reg >= PACKET3_SET_RESOURCE_END) || |
| (end_reg >= PACKET3_SET_RESOURCE_END)) { |
| DRM_ERROR("bad SET_RESOURCE\n"); |
| return -EINVAL; |
| } |
| for (i = 0; i < (pkt->count / 7); i++) { |
| struct radeon_bo *texture, *mipmap; |
| u32 size, offset; |
| |
| switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) { |
| case SQ_TEX_VTX_VALID_TEXTURE: |
| /* tex base */ |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad SET_RESOURCE\n"); |
| return -EINVAL; |
| } |
| ib[idx+1+(i*7)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) |
| ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); |
| else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) |
| ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); |
| texture = reloc->robj; |
| /* tex mip base */ |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad SET_RESOURCE\n"); |
| return -EINVAL; |
| } |
| ib[idx+1+(i*7)+3] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); |
| mipmap = reloc->robj; |
| r = r600_check_texture_resource(p, idx+(i*7)+1, |
| texture, mipmap, reloc->lobj.tiling_flags); |
| if (r) |
| return r; |
| break; |
| case SQ_TEX_VTX_VALID_BUFFER: |
| /* vtx base */ |
| r = r600_cs_packet_next_reloc(p, &reloc); |
| if (r) { |
| DRM_ERROR("bad SET_RESOURCE\n"); |
| return -EINVAL; |
| } |
| offset = radeon_get_ib_value(p, idx+1+(i*7)+0); |
| size = radeon_get_ib_value(p, idx+1+(i*7)+1); |
| if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) { |
| /* force size to size of the buffer */ |
| dev_warn(p->dev, "vbo resource seems too big for the bo\n"); |
| ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj); |
| } |
| ib[idx+1+(i*7)+0] += (u32)((reloc->lobj.gpu_offset) & 0xffffffff); |
| ib[idx+1+(i*7)+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff; |
| break; |
| case SQ_TEX_VTX_INVALID_TEXTURE: |
| case SQ_TEX_VTX_INVALID_BUFFER: |
| default: |
| DRM_ERROR("bad SET_RESOURCE\n"); |
| return -EINVAL; |
| } |
| } |
| break; |
| case PACKET3_SET_ALU_CONST: |
| if (track->sq_config & DX9_CONSTS) { |
| start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) || |
| (start_reg >= PACKET3_SET_ALU_CONST_END) || |
| (end_reg >= PACKET3_SET_ALU_CONST_END)) { |
| DRM_ERROR("bad SET_ALU_CONST\n"); |
| return -EINVAL; |
| } |
| } |
| break; |
| case PACKET3_SET_BOOL_CONST: |
| start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) || |
| (start_reg >= PACKET3_SET_BOOL_CONST_END) || |
| (end_reg >= PACKET3_SET_BOOL_CONST_END)) { |
| DRM_ERROR("bad SET_BOOL_CONST\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_SET_LOOP_CONST: |
| start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) || |
| (start_reg >= PACKET3_SET_LOOP_CONST_END) || |
| (end_reg >= PACKET3_SET_LOOP_CONST_END)) { |
| DRM_ERROR("bad SET_LOOP_CONST\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_SET_CTL_CONST: |
| start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) || |
| (start_reg >= PACKET3_SET_CTL_CONST_END) || |
| (end_reg >= PACKET3_SET_CTL_CONST_END)) { |
| DRM_ERROR("bad SET_CTL_CONST\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_SET_SAMPLER: |
| if (pkt->count % 3) { |
| DRM_ERROR("bad SET_SAMPLER\n"); |
| return -EINVAL; |
| } |
| start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET; |
| end_reg = 4 * pkt->count + start_reg - 4; |
| if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) || |
| (start_reg >= PACKET3_SET_SAMPLER_END) || |
| (end_reg >= PACKET3_SET_SAMPLER_END)) { |
| DRM_ERROR("bad SET_SAMPLER\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_SURFACE_BASE_UPDATE: |
| if (p->family >= CHIP_RV770 || p->family == CHIP_R600) { |
| DRM_ERROR("bad SURFACE_BASE_UPDATE\n"); |
| return -EINVAL; |
| } |
| if (pkt->count) { |
| DRM_ERROR("bad SURFACE_BASE_UPDATE\n"); |
| return -EINVAL; |
| } |
| break; |
| case PACKET3_NOP: |
| break; |
| default: |
| DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| int r600_cs_parse(struct radeon_cs_parser *p) |
| { |
| struct radeon_cs_packet pkt; |
| struct r600_cs_track *track; |
| int r; |
| |
| if (p->track == NULL) { |
| /* initialize tracker, we are in kms */ |
| track = kzalloc(sizeof(*track), GFP_KERNEL); |
| if (track == NULL) |
| return -ENOMEM; |
| r600_cs_track_init(track); |
| if (p->rdev->family < CHIP_RV770) { |
| track->npipes = p->rdev->config.r600.tiling_npipes; |
| track->nbanks = p->rdev->config.r600.tiling_nbanks; |
| track->group_size = p->rdev->config.r600.tiling_group_size; |
| } else if (p->rdev->family <= CHIP_RV740) { |
| track->npipes = p->rdev->config.rv770.tiling_npipes; |
| track->nbanks = p->rdev->config.rv770.tiling_nbanks; |
| track->group_size = p->rdev->config.rv770.tiling_group_size; |
| } |
| p->track = track; |
| } |
| do { |
| r = r600_cs_packet_parse(p, &pkt, p->idx); |
| if (r) { |
| kfree(p->track); |
| p->track = NULL; |
| return r; |
| } |
| p->idx += pkt.count + 2; |
| switch (pkt.type) { |
| case PACKET_TYPE0: |
| r = r600_cs_parse_packet0(p, &pkt); |
| break; |
| case PACKET_TYPE2: |
| break; |
| case PACKET_TYPE3: |
| r = r600_packet3_check(p, &pkt); |
| break; |
| default: |
| DRM_ERROR("Unknown packet type %d !\n", pkt.type); |
| kfree(p->track); |
| p->track = NULL; |
| return -EINVAL; |
| } |
| if (r) { |
| kfree(p->track); |
| p->track = NULL; |
| return r; |
| } |
| } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); |
| #if 0 |
| for (r = 0; r < p->ib->length_dw; r++) { |
| printk(KERN_INFO "%05d 0x%08X\n", r, p->ib->ptr[r]); |
| mdelay(1); |
| } |
| #endif |
| kfree(p->track); |
| p->track = NULL; |
| return 0; |
| } |
| |
| static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p) |
| { |
| if (p->chunk_relocs_idx == -1) { |
| return 0; |
| } |
| p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL); |
| if (p->relocs == NULL) { |
| return -ENOMEM; |
| } |
| return 0; |
| } |
| |
| /** |
| * cs_parser_fini() - clean parser states |
| * @parser: parser structure holding parsing context. |
| * @error: error number |
| * |
| * If error is set than unvalidate buffer, otherwise just free memory |
| * used by parsing context. |
| **/ |
| static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error) |
| { |
| unsigned i; |
| |
| kfree(parser->relocs); |
| for (i = 0; i < parser->nchunks; i++) { |
| kfree(parser->chunks[i].kdata); |
| kfree(parser->chunks[i].kpage[0]); |
| kfree(parser->chunks[i].kpage[1]); |
| } |
| kfree(parser->chunks); |
| kfree(parser->chunks_array); |
| } |
| |
| int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp, |
| unsigned family, u32 *ib, int *l) |
| { |
| struct radeon_cs_parser parser; |
| struct radeon_cs_chunk *ib_chunk; |
| struct radeon_ib fake_ib; |
| struct r600_cs_track *track; |
| int r; |
| |
| /* initialize tracker */ |
| track = kzalloc(sizeof(*track), GFP_KERNEL); |
| if (track == NULL) |
| return -ENOMEM; |
| r600_cs_track_init(track); |
| r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size); |
| /* initialize parser */ |
| memset(&parser, 0, sizeof(struct radeon_cs_parser)); |
| parser.filp = filp; |
| parser.dev = &dev->pdev->dev; |
| parser.rdev = NULL; |
| parser.family = family; |
| parser.ib = &fake_ib; |
| parser.track = track; |
| fake_ib.ptr = ib; |
| r = radeon_cs_parser_init(&parser, data); |
| if (r) { |
| DRM_ERROR("Failed to initialize parser !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| r = r600_cs_parser_relocs_legacy(&parser); |
| if (r) { |
| DRM_ERROR("Failed to parse relocation !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| /* Copy the packet into the IB, the parser will read from the |
| * input memory (cached) and write to the IB (which can be |
| * uncached). */ |
| ib_chunk = &parser.chunks[parser.chunk_ib_idx]; |
| parser.ib->length_dw = ib_chunk->length_dw; |
| *l = parser.ib->length_dw; |
| r = r600_cs_parse(&parser); |
| if (r) { |
| DRM_ERROR("Invalid command stream !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| r = radeon_cs_finish_pages(&parser); |
| if (r) { |
| DRM_ERROR("Invalid command stream !\n"); |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| r600_cs_parser_fini(&parser, r); |
| return r; |
| } |
| |
| void r600_cs_legacy_init(void) |
| { |
| r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm; |
| } |