diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_cs.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600_cs.c | 2621 |
1 files changed, 2621 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c new file mode 100644 index 0000000..2dc3b57 --- /dev/null +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -0,0 +1,2621 @@ +/* + * 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 <drm/drmP.h> +#include "radeon.h" +#include "r600d.h" +#include "r600_reg_safe.h" + +static int r600_nomm; +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 log_nsamples; + u32 nsamples; + u32 cb_color_base_last[8]; + struct radeon_bo *cb_color_bo[8]; + u64 cb_color_bo_mc[8]; + u64 cb_color_bo_offset[8]; + struct radeon_bo *cb_color_frag_bo[8]; + u64 cb_color_frag_offset[8]; + struct radeon_bo *cb_color_tile_bo[8]; + u64 cb_color_tile_offset[8]; + u32 cb_color_mask[8]; + u32 cb_color_info[8]; + u32 cb_color_view[8]; + u32 cb_color_size_idx[8]; /* unused */ + u32 cb_target_mask; + u32 cb_shader_mask; /* unused */ + bool is_resolve; + u32 cb_color_size[8]; + u32 vgt_strmout_en; + u32 vgt_strmout_buffer_en; + struct radeon_bo *vgt_strmout_bo[4]; + u64 vgt_strmout_bo_mc[4]; /* unused */ + u32 vgt_strmout_bo_offset[4]; + u32 vgt_strmout_size[4]; + 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; + u64 db_bo_mc; + bool sx_misc_kill_all_prims; + bool cb_dirty; + bool db_dirty; + bool streamout_dirty; + struct radeon_bo *htile_bo; + u64 htile_offset; + u32 htile_surface; +}; + +#define FMT_8_BIT(fmt, vc) [fmt] = { 1, 1, 1, vc, CHIP_R600 } +#define FMT_16_BIT(fmt, vc) [fmt] = { 1, 1, 2, vc, CHIP_R600 } +#define FMT_24_BIT(fmt) [fmt] = { 1, 1, 4, 0, CHIP_R600 } +#define FMT_32_BIT(fmt, vc) [fmt] = { 1, 1, 4, vc, CHIP_R600 } +#define FMT_48_BIT(fmt) [fmt] = { 1, 1, 8, 0, CHIP_R600 } +#define FMT_64_BIT(fmt, vc) [fmt] = { 1, 1, 8, vc, CHIP_R600 } +#define FMT_96_BIT(fmt) [fmt] = { 1, 1, 12, 0, CHIP_R600 } +#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 } + +struct gpu_formats { + unsigned blockwidth; + unsigned blockheight; + unsigned blocksize; + unsigned valid_color; + enum radeon_family min_family; +}; + +static const struct gpu_formats color_formats_table[] = { + /* 8 bit */ + FMT_8_BIT(V_038004_COLOR_8, 1), + FMT_8_BIT(V_038004_COLOR_4_4, 1), + FMT_8_BIT(V_038004_COLOR_3_3_2, 1), + FMT_8_BIT(V_038004_FMT_1, 0), + + /* 16-bit */ + FMT_16_BIT(V_038004_COLOR_16, 1), + FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1), + FMT_16_BIT(V_038004_COLOR_8_8, 1), + FMT_16_BIT(V_038004_COLOR_5_6_5, 1), + FMT_16_BIT(V_038004_COLOR_6_5_5, 1), + FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1), + FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1), + FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1), + + /* 24-bit */ + FMT_24_BIT(V_038004_FMT_8_8_8), + + /* 32-bit */ + FMT_32_BIT(V_038004_COLOR_32, 1), + FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1), + FMT_32_BIT(V_038004_COLOR_16_16, 1), + FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1), + FMT_32_BIT(V_038004_COLOR_8_24, 1), + FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1), + FMT_32_BIT(V_038004_COLOR_24_8, 1), + FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1), + FMT_32_BIT(V_038004_COLOR_10_11_11, 1), + FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1), + FMT_32_BIT(V_038004_COLOR_11_11_10, 1), + FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1), + FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1), + FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1), + FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1), + FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0), + FMT_32_BIT(V_038004_FMT_32_AS_8, 0), + FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0), + + /* 48-bit */ + FMT_48_BIT(V_038004_FMT_16_16_16), + FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT), + + /* 64-bit */ + FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1), + FMT_64_BIT(V_038004_COLOR_32_32, 1), + FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1), + FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1), + FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1), + + FMT_96_BIT(V_038004_FMT_32_32_32), + FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT), + + /* 128-bit */ + FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1), + FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1), + + [V_038004_FMT_GB_GR] = { 2, 1, 4, 0 }, + [V_038004_FMT_BG_RG] = { 2, 1, 4, 0 }, + + /* block compressed formats */ + [V_038004_FMT_BC1] = { 4, 4, 8, 0 }, + [V_038004_FMT_BC2] = { 4, 4, 16, 0 }, + [V_038004_FMT_BC3] = { 4, 4, 16, 0 }, + [V_038004_FMT_BC4] = { 4, 4, 8, 0 }, + [V_038004_FMT_BC5] = { 4, 4, 16, 0}, + [V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */ + [V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */ + + /* The other Evergreen formats */ + [V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR}, +}; + +bool r600_fmt_is_valid_color(u32 format) +{ + if (format >= ARRAY_SIZE(color_formats_table)) + return false; + + if (color_formats_table[format].valid_color) + return true; + + return false; +} + +bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family) +{ + if (format >= ARRAY_SIZE(color_formats_table)) + return false; + + if (family < color_formats_table[format].min_family) + return false; + + if (color_formats_table[format].blockwidth > 0) + return true; + + return false; +} + +int r600_fmt_get_blocksize(u32 format) +{ + if (format >= ARRAY_SIZE(color_formats_table)) + return 0; + + return color_formats_table[format].blocksize; +} + +int r600_fmt_get_nblocksx(u32 format, u32 w) +{ + unsigned bw; + + if (format >= ARRAY_SIZE(color_formats_table)) + return 0; + + bw = color_formats_table[format].blockwidth; + if (bw == 0) + return 0; + + return (w + bw - 1) / bw; +} + +int r600_fmt_get_nblocksy(u32 format, u32 h) +{ + unsigned bh; + + if (format >= ARRAY_SIZE(color_formats_table)) + return 0; + + bh = color_formats_table[format].blockheight; + if (bh == 0) + return 0; + + return (h + bh - 1) / bh; +} + +struct array_mode_checker { + int array_mode; + u32 group_size; + u32 nbanks; + u32 npipes; + u32 nsamples; + u32 blocksize; +}; + +/* returns alignment in pixels for pitch/height/depth and bytes for base */ +static int r600_get_array_mode_alignment(struct array_mode_checker *values, + u32 *pitch_align, + u32 *height_align, + u32 *depth_align, + u64 *base_align) +{ + u32 tile_width = 8; + u32 tile_height = 8; + u32 macro_tile_width = values->nbanks; + u32 macro_tile_height = values->npipes; + u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples; + u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes; + + switch (values->array_mode) { + case ARRAY_LINEAR_GENERAL: + /* technically tile_width/_height for pitch/height */ + *pitch_align = 1; /* tile_width */ + *height_align = 1; /* tile_height */ + *depth_align = 1; + *base_align = 1; + break; + case ARRAY_LINEAR_ALIGNED: + *pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize)); + *height_align = 1; + *depth_align = 1; + *base_align = values->group_size; + break; + case ARRAY_1D_TILED_THIN1: + *pitch_align = max((u32)tile_width, + (u32)(values->group_size / + (tile_height * values->blocksize * values->nsamples))); + *height_align = tile_height; + *depth_align = 1; + *base_align = values->group_size; + break; + case ARRAY_2D_TILED_THIN1: + *pitch_align = max((u32)macro_tile_width * tile_width, + (u32)((values->group_size * values->nbanks) / + (values->blocksize * values->nsamples * tile_width))); + *height_align = macro_tile_height * tile_height; + *depth_align = 1; + *base_align = max(macro_tile_bytes, + (*pitch_align) * values->blocksize * (*height_align) * values->nsamples); + break; + default: + 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_view[i] = 0xFFFFFFFF; + track->cb_color_bo[i] = NULL; + track->cb_color_bo_offset[i] = 0xFFFFFFFF; + track->cb_color_bo_mc[i] = 0xFFFFFFFF; + track->cb_color_frag_bo[i] = NULL; + track->cb_color_frag_offset[i] = 0xFFFFFFFF; + track->cb_color_tile_bo[i] = NULL; + track->cb_color_tile_offset[i] = 0xFFFFFFFF; + track->cb_color_mask[i] = 0xFFFFFFFF; + } + track->is_resolve = false; + track->nsamples = 16; + track->log_nsamples = 4; + track->cb_target_mask = 0xFFFFFFFF; + track->cb_shader_mask = 0xFFFFFFFF; + track->cb_dirty = true; + track->db_bo = NULL; + track->db_bo_mc = 0xFFFFFFFF; + /* 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; + track->db_dirty = true; + track->htile_bo = NULL; + track->htile_offset = 0xFFFFFFFF; + track->htile_surface = 0; + + for (i = 0; i < 4; i++) { + track->vgt_strmout_size[i] = 0; + track->vgt_strmout_bo[i] = NULL; + track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF; + track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF; + } + track->streamout_dirty = true; + track->sx_misc_kill_all_prims = false; +} + +static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) +{ + struct r600_cs_track *track = p->track; + u32 slice_tile_max, size, tmp; + u32 height, height_align, pitch, pitch_align, depth_align; + u64 base_offset, base_align; + struct array_mode_checker array_check; + volatile u32 *ib = p->ib.ptr; + unsigned array_mode; + u32 format; + /* When resolve is used, the second colorbuffer has always 1 sample. */ + unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples; + + size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i]; + format = G_0280A0_FORMAT(track->cb_color_info[i]); + if (!r600_fmt_is_valid_color(format)) { + dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n", + __func__, __LINE__, format, + i, track->cb_color_info[i]); + return -EINVAL; + } + /* pitch in pixels */ + pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8; + slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1; + slice_tile_max *= 64; + height = slice_tile_max / pitch; + if (height > 8192) + height = 8192; + array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]); + + base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i]; + array_check.array_mode = array_mode; + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = nsamples; + array_check.blocksize = r600_fmt_get_blocksize(format); + if (r600_get_array_mode_alignment(&array_check, + &pitch_align, &height_align, &depth_align, &base_align)) { + 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; + } + switch (array_mode) { + case V_0280A0_ARRAY_LINEAR_GENERAL: + break; + case V_0280A0_ARRAY_LINEAR_ALIGNED: + break; + case V_0280A0_ARRAY_1D_TILED_THIN1: + /* avoid breaking userspace */ + if (height > 7) + height &= ~0x7; + break; + case V_0280A0_ARRAY_2D_TILED_THIN1: + 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; + } + + if (!IS_ALIGNED(pitch, pitch_align)) { + dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n", + __func__, __LINE__, pitch, pitch_align, array_mode); + return -EINVAL; + } + if (!IS_ALIGNED(height, height_align)) { + dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n", + __func__, __LINE__, height, height_align, array_mode); + return -EINVAL; + } + if (!IS_ALIGNED(base_offset, base_align)) { + dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i, + base_offset, base_align, array_mode); + return -EINVAL; + } + + /* check offset */ + tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) * + r600_fmt_get_blocksize(format) * nsamples; + switch (array_mode) { + default: + case V_0280A0_ARRAY_LINEAR_GENERAL: + case V_0280A0_ARRAY_LINEAR_ALIGNED: + tmp += track->cb_color_view[i] & 0xFF; + break; + case V_0280A0_ARRAY_1D_TILED_THIN1: + case V_0280A0_ARRAY_2D_TILED_THIN1: + tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp; + break; + } + if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) { + if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) { + /* the initial DDX does bad things with the CB size occasionally */ + /* it rounds up height too far for slice tile max but the BO is smaller */ + /* r600c,g also seem to flush at bad times in some apps resulting in + * bogus values here. So for linear just allow anything to avoid breaking + * broken userspace. + */ + } else { + dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n", + __func__, i, array_mode, + track->cb_color_bo_offset[i], tmp, + radeon_bo_size(track->cb_color_bo[i]), + pitch, height, r600_fmt_get_nblocksx(format, pitch), + r600_fmt_get_nblocksy(format, height), + r600_fmt_get_blocksize(format)); + return -EINVAL; + } + } + /* limit max tile */ + tmp = (height * pitch) >> 6; + if (tmp < slice_tile_max) + slice_tile_max = tmp; + tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) | + S_028060_SLICE_TILE_MAX(slice_tile_max - 1); + ib[track->cb_color_size_idx[i]] = tmp; + + /* FMASK/CMASK */ + switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) { + case V_0280A0_TILE_DISABLE: + break; + case V_0280A0_FRAG_ENABLE: + if (track->nsamples > 1) { + uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]); + /* the tile size is 8x8, but the size is in units of bits. + * for bytes, do just * 8. */ + uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1); + + if (bytes + track->cb_color_frag_offset[i] > + radeon_bo_size(track->cb_color_frag_bo[i])) { + dev_warn(p->dev, "%s FMASK_TILE_MAX too large " + "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n", + __func__, tile_max, bytes, + track->cb_color_frag_offset[i], + radeon_bo_size(track->cb_color_frag_bo[i])); + return -EINVAL; + } + } + /* fall through */ + case V_0280A0_CLEAR_ENABLE: + { + uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]); + /* One block = 128x128 pixels, one 8x8 tile has 4 bits.. + * (128*128) / (8*8) / 2 = 128 bytes per block. */ + uint32_t bytes = (block_max + 1) * 128; + + if (bytes + track->cb_color_tile_offset[i] > + radeon_bo_size(track->cb_color_tile_bo[i])) { + dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large " + "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n", + __func__, block_max, bytes, + track->cb_color_tile_offset[i], + radeon_bo_size(track->cb_color_tile_bo[i])); + return -EINVAL; + } + break; + } + default: + dev_warn(p->dev, "%s invalid tile mode\n", __func__); + return -EINVAL; + } + return 0; +} + +static int r600_cs_track_validate_db(struct radeon_cs_parser *p) +{ + struct r600_cs_track *track = p->track; + u32 nviews, bpe, ntiles, size, slice_tile_max, tmp; + u32 height_align, pitch_align, depth_align; + u32 pitch = 8192; + u32 height = 8192; + u64 base_offset, base_align; + struct array_mode_checker array_check; + int array_mode; + volatile u32 *ib = p->ib.ptr; + + + if (track->db_bo == NULL) { + dev_warn(p->dev, "z/stencil with no depth buffer\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; + } + 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 in pixels */ + pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8; + slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; + slice_tile_max *= 64; + height = slice_tile_max / pitch; + if (height > 8192) + height = 8192; + base_offset = track->db_bo_mc + track->db_offset; + array_mode = G_028010_ARRAY_MODE(track->db_depth_info); + array_check.array_mode = array_mode; + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = track->nsamples; + array_check.blocksize = bpe; + if (r600_get_array_mode_alignment(&array_check, + &pitch_align, &height_align, &depth_align, &base_align)) { + 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; + } + switch (array_mode) { + case V_028010_ARRAY_1D_TILED_THIN1: + /* don't break userspace */ + height &= ~0x7; + break; + case V_028010_ARRAY_2D_TILED_THIN1: + 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(pitch, pitch_align)) { + dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n", + __func__, __LINE__, pitch, pitch_align, array_mode); + return -EINVAL; + } + if (!IS_ALIGNED(height, height_align)) { + dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n", + __func__, __LINE__, height, height_align, array_mode); + return -EINVAL; + } + if (!IS_ALIGNED(base_offset, base_align)) { + dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__, + base_offset, base_align, array_mode); + 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 * track->nsamples; + if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) { + dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n", + array_mode, + track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset, + radeon_bo_size(track->db_bo)); + return -EINVAL; + } + } + + /* hyperz */ + if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) { + unsigned long size; + unsigned nbx, nby; + + if (track->htile_bo == NULL) { + dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n", + __func__, __LINE__, track->db_depth_info); + return -EINVAL; + } + if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) { + dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n", + __func__, __LINE__, track->db_depth_size); + return -EINVAL; + } + + nbx = pitch; + nby = height; + if (G_028D24_LINEAR(track->htile_surface)) { + /* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */ + nbx = round_up(nbx, 16 * 8); + /* nby is npipes htiles aligned == npipes * 8 pixel aligned */ + nby = round_up(nby, track->npipes * 8); + } else { + /* always assume 8x8 htile */ + /* align is htile align * 8, htile align vary according to + * number of pipe and tile width and nby + */ + switch (track->npipes) { + case 8: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ + nbx = round_up(nbx, 64 * 8); + nby = round_up(nby, 64 * 8); + break; + case 4: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ + nbx = round_up(nbx, 64 * 8); + nby = round_up(nby, 32 * 8); + break; + case 2: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ + nbx = round_up(nbx, 32 * 8); + nby = round_up(nby, 32 * 8); + break; + case 1: + /* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ + nbx = round_up(nbx, 32 * 8); + nby = round_up(nby, 16 * 8); + break; + default: + dev_warn(p->dev, "%s:%d invalid num pipes %d\n", + __func__, __LINE__, track->npipes); + return -EINVAL; + } + } + /* compute number of htile */ + nbx = nbx >> 3; + nby = nby >> 3; + /* size must be aligned on npipes * 2K boundary */ + size = roundup(nbx * nby * 4, track->npipes * (2 << 10)); + size += track->htile_offset; + + if (size > radeon_bo_size(track->htile_bo)) { + dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n", + __func__, __LINE__, radeon_bo_size(track->htile_bo), + size, nbx, nby); + return -EINVAL; + } + } + + track->db_dirty = false; + 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; + + /* on legacy kernel we don't perform advanced check */ + if (p->rdev == NULL) + return 0; + + /* check streamout */ + if (track->streamout_dirty && track->vgt_strmout_en) { + for (i = 0; i < 4; i++) { + if (track->vgt_strmout_buffer_en & (1 << i)) { + if (track->vgt_strmout_bo[i]) { + u64 offset = (u64)track->vgt_strmout_bo_offset[i] + + (u64)track->vgt_strmout_size[i]; + if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) { + DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n", + i, offset, + radeon_bo_size(track->vgt_strmout_bo[i])); + return -EINVAL; + } + } else { + dev_warn(p->dev, "No buffer for streamout %d\n", i); + return -EINVAL; + } + } + } + track->streamout_dirty = false; + } + + if (track->sx_misc_kill_all_prims) + return 0; + + /* 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 :( + */ + if (track->cb_dirty) { + tmp = track->cb_target_mask; + + /* We must check both colorbuffers for RESOLVE. */ + if (track->is_resolve) { + tmp |= 0xff; + } + + 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; + } + } + track->cb_dirty = false; + } + + /* Check depth buffer */ + if (track->db_dirty && + G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID && + (G_028800_STENCIL_ENABLE(track->db_depth_control) || + G_028800_Z_ENABLE(track->db_depth_control))) { + r = r600_cs_track_validate_db(p); + if (r) + return r; + } + + return 0; +} + +/** + * r600_cs_packet_parse_vline() - parse userspace VLINE packet + * @parser: parser structure holding parsing context. + * + * This is an R600-specific function for parsing VLINE packets. + * Real work is done by r600_cs_common_vline_parse function. + * Here we just set up ASIC-specific register table and call + * the common implementation function. + */ +static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p) +{ + static uint32_t vline_start_end[2] = {AVIVO_D1MODE_VLINE_START_END, + AVIVO_D2MODE_VLINE_START_END}; + static uint32_t vline_status[2] = {AVIVO_D1MODE_VLINE_STATUS, + AVIVO_D2MODE_VLINE_STATUS}; + + return r600_cs_common_vline_parse(p, vline_start_end, vline_status); +} + +/** + * r600_cs_common_vline_parse() - common vline parser + * @parser: parser structure holding parsing context. + * @vline_start_end: table of vline_start_end registers + * @vline_status: table of vline_status registers + * + * 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. This function is common for all ASICs that + * are R600 and newer. The parsing algorithm is the same, and only + * differs in which registers are used. + * + * Caller is the ASIC-specific function which passes the parser + * context and ASIC-specific register table + */ +int r600_cs_common_vline_parse(struct radeon_cs_parser *p, + uint32_t *vline_start_end, + uint32_t *vline_status) +{ + 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 = radeon_cs_packet_parse(p, &wait_reg_mem, p->idx); + if (r) + return r; + + /* check its a WAIT_REG_MEM */ + if (wait_reg_mem.type != RADEON_PACKET_TYPE3 || + wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) { + DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n"); + return -EINVAL; + } + + 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 instead of REG\n"); + return -EINVAL; + } + /* bit 8 is me (0) or pfp (1) */ + if (wait_reg_mem_info & 0x100) { + DRM_ERROR("vline WAIT_REG_MEM waiting on PFP instead of ME\n"); + return -EINVAL; + } + /* waiting for value to be equal */ + if ((wait_reg_mem_info & 0x7) != 0x3) { + DRM_ERROR("vline WAIT_REG_MEM function not equal\n"); + return -EINVAL; + } + if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != vline_status[0]) { + DRM_ERROR("vline WAIT_REG_MEM bad reg\n"); + return -EINVAL; + } + + if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != RADEON_VLINE_STAT) { + DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n"); + return -EINVAL; + } + + /* jump over the NOP */ + r = radeon_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 = R600_CP_PACKET0_GET_REG(header); + + 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); + return -EINVAL; + } + crtc = obj_to_crtc(obj); + radeon_crtc = to_radeon_crtc(crtc); + crtc_id = radeon_crtc->crtc_id; + + if (!crtc->enabled) { + /* 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 (reg == vline_start_end[0]) { + header &= ~R600_CP_PACKET0_REG_MASK; + header |= vline_start_end[crtc_id] >> 2; + ib[h_idx] = header; + ib[h_idx + 4] = vline_status[crtc_id] >> 2; + } else { + DRM_ERROR("unknown crtc reloc\n"); + return -EINVAL; + } + return 0; +} + +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 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 m, i, tmp, *ib; + int r; + + i = (reg >> 7); + if (i >= ARRAY_SIZE(r600_reg_safe_bm)) { + 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 attempt 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); + track->db_dirty = true; + break; + case R_028010_DB_DEPTH_INFO: + if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) && + radeon_cs_packet_next_is_pkt3_nop(p)) { + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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); + } + track->db_dirty = true; + break; + case R_028004_DB_DEPTH_VIEW: + track->db_depth_view = radeon_get_ib_value(p, idx); + track->db_dirty = true; + break; + case R_028000_DB_DEPTH_SIZE: + track->db_depth_size = radeon_get_ib_value(p, idx); + track->db_depth_size_idx = idx; + track->db_dirty = true; + break; + case R_028AB0_VGT_STRMOUT_EN: + track->vgt_strmout_en = radeon_get_ib_value(p, idx); + track->streamout_dirty = true; + break; + case R_028B20_VGT_STRMOUT_BUFFER_EN: + track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx); + track->streamout_dirty = true; + break; + case VGT_STRMOUT_BUFFER_BASE_0: + case VGT_STRMOUT_BUFFER_BASE_1: + case VGT_STRMOUT_BUFFER_BASE_2: + case VGT_STRMOUT_BUFFER_BASE_3: + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + dev_warn(p->dev, "bad SET_CONTEXT_REG " + "0x%04X\n", reg); + return -EINVAL; + } + tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16; + track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8; + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + track->vgt_strmout_bo[tmp] = reloc->robj; + track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset; + track->streamout_dirty = true; + break; + case VGT_STRMOUT_BUFFER_SIZE_0: + case VGT_STRMOUT_BUFFER_SIZE_1: + case VGT_STRMOUT_BUFFER_SIZE_2: + case VGT_STRMOUT_BUFFER_SIZE_3: + tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16; + /* size in register is DWs, convert to bytes */ + track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4; + track->streamout_dirty = true; + break; + case CP_COHER_BASE: + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + dev_warn(p->dev, "missing reloc for CP_COHER_BASE " + "0x%04X\n", reg); + return -EINVAL; + } + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + break; + case R_028238_CB_TARGET_MASK: + track->cb_target_mask = radeon_get_ib_value(p, idx); + track->cb_dirty = true; + 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->log_nsamples = tmp; + track->nsamples = 1 << tmp; + track->cb_dirty = true; + break; + case R_028808_CB_COLOR_CONTROL: + tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx)); + track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX; + track->cb_dirty = true; + 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 (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) && + radeon_cs_packet_next_is_pkt3_nop(p)) { + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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); + } + track->cb_dirty = true; + break; + case R_028080_CB_COLOR0_VIEW: + case R_028084_CB_COLOR1_VIEW: + case R_028088_CB_COLOR2_VIEW: + case R_02808C_CB_COLOR3_VIEW: + case R_028090_CB_COLOR4_VIEW: + case R_028094_CB_COLOR5_VIEW: + case R_028098_CB_COLOR6_VIEW: + case R_02809C_CB_COLOR7_VIEW: + tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4; + track->cb_color_view[tmp] = radeon_get_ib_value(p, idx); + track->cb_dirty = true; + 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; + track->cb_dirty = true; + 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 (!radeon_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; + } + track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp]; + track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp]; + ib[idx] = track->cb_color_base_last[tmp]; + } else { + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); + return -EINVAL; + } + track->cb_color_frag_bo[tmp] = reloc->robj; + track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8; + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + } + if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) { + track->cb_dirty = true; + } + 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 (!radeon_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; + } + track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp]; + track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp]; + ib[idx] = track->cb_color_base_last[tmp]; + } else { + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); + return -EINVAL; + } + track->cb_color_tile_bo[tmp] = reloc->robj; + track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8; + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + } + if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) { + track->cb_dirty = true; + } + break; + case R_028100_CB_COLOR0_MASK: + case R_028104_CB_COLOR1_MASK: + case R_028108_CB_COLOR2_MASK: + case R_02810C_CB_COLOR3_MASK: + case R_028110_CB_COLOR4_MASK: + case R_028114_CB_COLOR5_MASK: + case R_028118_CB_COLOR6_MASK: + case R_02811C_CB_COLOR7_MASK: + tmp = (reg - R_028100_CB_COLOR0_MASK) / 4; + track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx); + if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) { + track->cb_dirty = true; + } + 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 = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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) << 8; + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + track->cb_color_base_last[tmp] = ib[idx]; + track->cb_color_bo[tmp] = reloc->robj; + track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset; + track->cb_dirty = true; + break; + case DB_DEPTH_BASE: + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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) << 8; + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + track->db_bo = reloc->robj; + track->db_bo_mc = reloc->lobj.gpu_offset; + track->db_dirty = true; + break; + case DB_HTILE_DATA_BASE: + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + dev_warn(p->dev, "bad SET_CONTEXT_REG " + "0x%04X\n", reg); + return -EINVAL; + } + track->htile_offset = radeon_get_ib_value(p, idx) << 8; + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + track->htile_bo = reloc->robj; + track->db_dirty = true; + break; + case DB_HTILE_SURFACE: + track->htile_surface = radeon_get_ib_value(p, idx); + /* force 8x8 htile width and height */ + ib[idx] |= 3; + track->db_dirty = true; + break; + 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 = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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; + case SX_MEMORY_EXPORT_BASE: + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + dev_warn(p->dev, "bad SET_CONFIG_REG " + "0x%04X\n", reg); + return -EINVAL; + } + ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + break; + case SX_MISC: + track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0; + break; + default: + dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); + return -EINVAL; + } + return 0; +} + +unsigned r600_mip_minify(unsigned size, unsigned level) +{ + unsigned val; + + val = max(1U, size >> level); + if (level > 0) + val = roundup_pow_of_two(val); + return val; +} + +static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel, + unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format, + unsigned block_align, unsigned height_align, unsigned base_align, + unsigned *l0_size, unsigned *mipmap_size) +{ + unsigned offset, i, level; + unsigned width, height, depth, size; + unsigned blocksize; + unsigned nbx, nby; + unsigned nlevels = llevel - blevel + 1; + + *l0_size = -1; + blocksize = r600_fmt_get_blocksize(format); + + w0 = r600_mip_minify(w0, 0); + h0 = r600_mip_minify(h0, 0); + d0 = r600_mip_minify(d0, 0); + for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) { + width = r600_mip_minify(w0, i); + nbx = r600_fmt_get_nblocksx(format, width); + + nbx = round_up(nbx, block_align); + + height = r600_mip_minify(h0, i); + nby = r600_fmt_get_nblocksy(format, height); + nby = round_up(nby, height_align); + + depth = r600_mip_minify(d0, i); + + size = nbx * nby * blocksize * nsamples; + if (nfaces) + size *= nfaces; + else + size *= depth; + + if (i == 0) + *l0_size = size; + + if (i == 0 || i == 1) + offset = round_up(offset, base_align); + + offset += size; + } + *mipmap_size = offset; + if (llevel == 0) + *mipmap_size = *l0_size; + if (!blevel) + *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 int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx, + struct radeon_bo *texture, + struct radeon_bo *mipmap, + u64 base_offset, + u64 mip_offset, + u32 tiling_flags) +{ + struct r600_cs_track *track = p->track; + u32 dim, nfaces, llevel, blevel, w0, h0, d0; + u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5; + u32 height_align, pitch, pitch_align, depth_align; + u32 barray, larray; + u64 base_align; + struct array_mode_checker array_check; + u32 format; + bool is_array; + + /* on legacy kernel we don't perform advanced check */ + if (p->rdev == NULL) + return 0; + + /* convert to bytes */ + base_offset <<= 8; + mip_offset <<= 8; + + word0 = radeon_get_ib_value(p, idx + 0); + if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { + 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); + word2 = radeon_get_ib_value(p, idx + 2) << 8; + word3 = radeon_get_ib_value(p, idx + 3) << 8; + word4 = radeon_get_ib_value(p, idx + 4); + word5 = radeon_get_ib_value(p, idx + 5); + dim = G_038000_DIM(word0); + w0 = G_038000_TEX_WIDTH(word0) + 1; + pitch = (G_038000_PITCH(word0) + 1) * 8; + h0 = G_038004_TEX_HEIGHT(word1) + 1; + d0 = G_038004_TEX_DEPTH(word1); + format = G_038004_DATA_FORMAT(word1); + blevel = G_038010_BASE_LEVEL(word4); + llevel = G_038014_LAST_LEVEL(word5); + /* pitch in texels */ + array_check.array_mode = G_038000_TILE_MODE(word0); + array_check.group_size = track->group_size; + array_check.nbanks = track->nbanks; + array_check.npipes = track->npipes; + array_check.nsamples = 1; + array_check.blocksize = r600_fmt_get_blocksize(format); + nfaces = 1; + is_array = false; + switch (dim) { + 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: + if (p->family >= CHIP_RV770) + nfaces = 8; + else + nfaces = 6; + break; + case V_038000_SQ_TEX_DIM_1D_ARRAY: + case V_038000_SQ_TEX_DIM_2D_ARRAY: + is_array = true; + break; + case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA: + is_array = true; + /* fall through */ + case V_038000_SQ_TEX_DIM_2D_MSAA: + array_check.nsamples = 1 << llevel; + llevel = 0; + break; + default: + dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0)); + return -EINVAL; + } + if (!r600_fmt_is_valid_texture(format, p->family)) { + dev_warn(p->dev, "%s:%d texture invalid format %d\n", + __func__, __LINE__, format); + return -EINVAL; + } + + if (r600_get_array_mode_alignment(&array_check, + &pitch_align, &height_align, &depth_align, &base_align)) { + dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n", + __func__, __LINE__, G_038000_TILE_MODE(word0)); + return -EINVAL; + } + + /* XXX check height as well... */ + + if (!IS_ALIGNED(pitch, pitch_align)) { + dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n", + __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0)); + return -EINVAL; + } + if (!IS_ALIGNED(base_offset, base_align)) { + dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n", + __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0)); + return -EINVAL; + } + if (!IS_ALIGNED(mip_offset, base_align)) { + dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n", + __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0)); + return -EINVAL; + } + + if (blevel > llevel) { + dev_warn(p->dev, "texture blevel %d > llevel %d\n", + blevel, llevel); + } + if (is_array) { + barray = G_038014_BASE_ARRAY(word5); + larray = G_038014_LAST_ARRAY(word5); + + nfaces = larray - barray + 1; + } + r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format, + pitch_align, height_align, base_align, + &l0_size, &mipmap_size); + /* using get ib will give us the offset into the texture bo */ + if ((l0_size + word2) > radeon_bo_size(texture)) { + dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n", + w0, h0, pitch_align, height_align, + array_check.array_mode, format, word2, + l0_size, radeon_bo_size(texture)); + dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align); + return -EINVAL; + } + /* using get ib will give us the offset into the mipmap bo */ + if ((mipmap_size + word3) > radeon_bo_size(mipmap)) { + /*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n", + w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/ + } + return 0; +} + +static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) +{ + u32 m, i; + + i = (reg >> 7); + if (i >= ARRAY_SIZE(r600_reg_safe_bm)) { + dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); + return false; + } + m = 1 << ((reg >> 2) & 31); + if (!(r600_reg_safe_bm[i] & m)) + return true; + dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); + return false; +} + +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_SET_PREDICATION: + { + int pred_op; + int tmp; + uint64_t offset; + + if (pkt->count != 1) { + DRM_ERROR("bad SET PREDICATION\n"); + return -EINVAL; + } + + tmp = radeon_get_ib_value(p, idx + 1); + pred_op = (tmp >> 16) & 0x7; + + /* for the clear predicate operation */ + if (pred_op == 0) + return 0; + + if (pred_op > 2) { + DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op); + return -EINVAL; + } + + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad SET PREDICATION\n"); + return -EINVAL; + } + + offset = reloc->lobj.gpu_offset + + (idx_value & 0xfffffff0) + + ((u64)(tmp & 0xff) << 32); + + ib[idx + 0] = offset; + ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff); + } + break; + + 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: + { + uint64_t offset; + if (pkt->count != 3) { + DRM_ERROR("bad DRAW_INDEX\n"); + return -EINVAL; + } + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad DRAW_INDEX\n"); + return -EINVAL; + } + + offset = reloc->lobj.gpu_offset + + idx_value + + ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32); + + ib[idx+0] = offset; + ib[idx+1] = upper_32_bits(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) { + uint64_t offset; + + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad WAIT_REG_MEM\n"); + return -EINVAL; + } + + offset = reloc->lobj.gpu_offset + + (radeon_get_ib_value(p, idx+1) & 0xfffffff0) + + ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32); + + ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0); + ib[idx+2] = upper_32_bits(offset) & 0xff; + } else if (idx_value & 0x100) { + DRM_ERROR("cannot use PFP on REG wait\n"); + return -EINVAL; + } + break; + case PACKET3_CP_DMA: + { + u32 command, size; + u64 offset, tmp; + if (pkt->count != 4) { + DRM_ERROR("bad CP DMA\n"); + return -EINVAL; + } + command = radeon_get_ib_value(p, idx+4); + size = command & 0x1fffff; + if (command & PACKET3_CP_DMA_CMD_SAS) { + /* src address space is register */ + DRM_ERROR("CP DMA SAS not supported\n"); + return -EINVAL; + } else { + if (command & PACKET3_CP_DMA_CMD_SAIC) { + DRM_ERROR("CP DMA SAIC only supported for registers\n"); + return -EINVAL; + } + /* src address space is memory */ + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad CP DMA SRC\n"); + return -EINVAL; + } + + tmp = radeon_get_ib_value(p, idx) + + ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32); + + offset = reloc->lobj.gpu_offset + tmp; + + if ((tmp + size) > radeon_bo_size(reloc->robj)) { + dev_warn(p->dev, "CP DMA src buffer too small (%llu %lu)\n", + tmp + size, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + + ib[idx] = offset; + ib[idx+1] = (ib[idx+1] & 0xffffff00) | (upper_32_bits(offset) & 0xff); + } + if (command & PACKET3_CP_DMA_CMD_DAS) { + /* dst address space is register */ + DRM_ERROR("CP DMA DAS not supported\n"); + return -EINVAL; + } else { + /* dst address space is memory */ + if (command & PACKET3_CP_DMA_CMD_DAIC) { + DRM_ERROR("CP DMA DAIC only supported for registers\n"); + return -EINVAL; + } + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad CP DMA DST\n"); + return -EINVAL; + } + + tmp = radeon_get_ib_value(p, idx+2) + + ((u64)(radeon_get_ib_value(p, idx+3) & 0xff) << 32); + + offset = reloc->lobj.gpu_offset + tmp; + + if ((tmp + size) > radeon_bo_size(reloc->robj)) { + dev_warn(p->dev, "CP DMA dst buffer too small (%llu %lu)\n", + tmp + size, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + + ib[idx+2] = offset; + ib[idx+3] = upper_32_bits(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 = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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) { + uint64_t offset; + + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad EVENT_WRITE\n"); + return -EINVAL; + } + offset = reloc->lobj.gpu_offset + + (radeon_get_ib_value(p, idx+1) & 0xfffffff8) + + ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32); + + ib[idx+1] = offset & 0xfffffff8; + ib[idx+2] = upper_32_bits(offset) & 0xff; + } + break; + case PACKET3_EVENT_WRITE_EOP: + { + uint64_t offset; + + if (pkt->count != 4) { + DRM_ERROR("bad EVENT_WRITE_EOP\n"); + return -EINVAL; + } + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad EVENT_WRITE\n"); + return -EINVAL; + } + + offset = reloc->lobj.gpu_offset + + (radeon_get_ib_value(p, idx+1) & 0xfffffffc) + + ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32); + + ib[idx+1] = offset & 0xfffffffc; + ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(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, base_offset, mip_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 = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad SET_RESOURCE\n"); + return -EINVAL; + } + base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { + 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 = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad SET_RESOURCE\n"); + return -EINVAL; + } + mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + mipmap = reloc->robj; + r = r600_check_texture_resource(p, idx+(i*7)+1, + texture, mipmap, + base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2), + mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3), + reloc->lobj.tiling_flags); + if (r) + return r; + ib[idx+1+(i*7)+2] += base_offset; + ib[idx+1+(i*7)+3] += mip_offset; + break; + case SQ_TEX_VTX_VALID_BUFFER: + { + uint64_t offset64; + /* vtx base */ + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + 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) + 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 (%d) for the bo (%ld)\n", + size + offset, radeon_bo_size(reloc->robj)); + ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset; + } + + offset64 = reloc->lobj.gpu_offset + offset; + ib[idx+1+(i*8)+0] = offset64; + ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) | + (upper_32_bits(offset64) & 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_STRMOUT_BASE_UPDATE: + /* RS780 and RS880 also need this */ + if (p->family < CHIP_RS780) { + DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n"); + return -EINVAL; + } + if (pkt->count != 1) { + DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n"); + return -EINVAL; + } + if (idx_value > 3) { + DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n"); + return -EINVAL; + } + { + u64 offset; + + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n"); + return -EINVAL; + } + + if (reloc->robj != track->vgt_strmout_bo[idx_value]) { + DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n"); + return -EINVAL; + } + + offset = radeon_get_ib_value(p, idx+1) << 8; + if (offset != track->vgt_strmout_bo_offset[idx_value]) { + DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n", + offset, track->vgt_strmout_bo_offset[idx_value]); + return -EINVAL; + } + + if ((offset + 4) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n", + offset + 4, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); + } + 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_STRMOUT_BUFFER_UPDATE: + if (pkt->count != 4) { + DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n"); + return -EINVAL; + } + /* Updating memory at DST_ADDRESS. */ + if (idx_value & 0x1) { + u64 offset; + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n"); + return -EINVAL; + } + offset = radeon_get_ib_value(p, idx+1); + offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32; + if ((offset + 4) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n", + offset + 4, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + offset += reloc->lobj.gpu_offset; + ib[idx+1] = offset; + ib[idx+2] = upper_32_bits(offset) & 0xff; + } + /* Reading data from SRC_ADDRESS. */ + if (((idx_value >> 1) & 0x3) == 2) { + u64 offset; + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n"); + return -EINVAL; + } + offset = radeon_get_ib_value(p, idx+3); + offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32; + if ((offset + 4) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n", + offset + 4, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + offset += reloc->lobj.gpu_offset; + ib[idx+3] = offset; + ib[idx+4] = upper_32_bits(offset) & 0xff; + } + break; + case PACKET3_MEM_WRITE: + { + u64 offset; + + if (pkt->count != 3) { + DRM_ERROR("bad MEM_WRITE (invalid count)\n"); + return -EINVAL; + } + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad MEM_WRITE (missing reloc)\n"); + return -EINVAL; + } + offset = radeon_get_ib_value(p, idx+0); + offset += ((u64)(radeon_get_ib_value(p, idx+1) & 0xff)) << 32UL; + if (offset & 0x7) { + DRM_ERROR("bad MEM_WRITE (address not qwords aligned)\n"); + return -EINVAL; + } + if ((offset + 8) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad MEM_WRITE bo too small: 0x%llx, 0x%lx\n", + offset + 8, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + offset += reloc->lobj.gpu_offset; + ib[idx+0] = offset; + ib[idx+1] = upper_32_bits(offset) & 0xff; + break; + } + case PACKET3_COPY_DW: + if (pkt->count != 4) { + DRM_ERROR("bad COPY_DW (invalid count)\n"); + return -EINVAL; + } + if (idx_value & 0x1) { + u64 offset; + /* SRC is memory. */ + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad COPY_DW (missing src reloc)\n"); + return -EINVAL; + } + offset = radeon_get_ib_value(p, idx+1); + offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32; + if ((offset + 4) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n", + offset + 4, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + offset += reloc->lobj.gpu_offset; + ib[idx+1] = offset; + ib[idx+2] = upper_32_bits(offset) & 0xff; + } else { + /* SRC is a reg. */ + reg = radeon_get_ib_value(p, idx+1) << 2; + if (!r600_is_safe_reg(p, reg, idx+1)) + return -EINVAL; + } + if (idx_value & 0x2) { + u64 offset; + /* DST is memory. */ + r = radeon_cs_packet_next_reloc(p, &reloc, r600_nomm); + if (r) { + DRM_ERROR("bad COPY_DW (missing dst reloc)\n"); + return -EINVAL; + } + offset = radeon_get_ib_value(p, idx+3); + offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32; + if ((offset + 4) > radeon_bo_size(reloc->robj)) { + DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n", + offset + 4, radeon_bo_size(reloc->robj)); + return -EINVAL; + } + offset += reloc->lobj.gpu_offset; + ib[idx+3] = offset; + ib[idx+4] = upper_32_bits(offset) & 0xff; + } else { + /* DST is a reg. */ + reg = radeon_get_ib_value(p, idx+3) << 2; + if (!r600_is_safe_reg(p, reg, idx+3)) + 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 = radeon_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 RADEON_PACKET_TYPE0: + r = r600_cs_parse_packet0(p, &pkt); + break; + case RADEON_PACKET_TYPE2: + break; + case RADEON_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; +} + +#ifdef CPTCFG_DRM_RADEON_UMS + +/** + * 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); + if (parser->rdev && (parser->rdev->flags & RADEON_IS_AGP)) { + kfree(parser->chunks[i].kpage[0]); + kfree(parser->chunks[i].kpage[1]); + } + } + kfree(parser->chunks); + kfree(parser->chunks_array); +} + +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; +} + +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 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.track = track; + parser.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_nomm = 1; +} + +#endif + +/* + * DMA + */ +/** + * r600_dma_cs_next_reloc() - parse next reloc + * @p: parser structure holding parsing context. + * @cs_reloc: reloc informations + * + * Return the next reloc, do bo validation and compute + * GPU offset using the provided start. + **/ +int r600_dma_cs_next_reloc(struct radeon_cs_parser *p, + struct radeon_cs_reloc **cs_reloc) +{ + struct radeon_cs_chunk *relocs_chunk; + unsigned idx; + + *cs_reloc = NULL; + if (p->chunk_relocs_idx == -1) { + DRM_ERROR("No relocation chunk !\n"); + return -EINVAL; + } + relocs_chunk = &p->chunks[p->chunk_relocs_idx]; + idx = p->dma_reloc_idx; + if (idx >= p->nrelocs) { + DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", + idx, p->nrelocs); + return -EINVAL; + } + *cs_reloc = p->relocs_ptr[idx]; + p->dma_reloc_idx++; + return 0; +} + +#define GET_DMA_CMD(h) (((h) & 0xf0000000) >> 28) +#define GET_DMA_COUNT(h) ((h) & 0x0000ffff) +#define GET_DMA_T(h) (((h) & 0x00800000) >> 23) + +/** + * r600_dma_cs_parse() - parse the DMA IB + * @p: parser structure holding parsing context. + * + * Parses the DMA IB from the CS ioctl and updates + * the GPU addresses based on the reloc information and + * checks for errors. (R6xx-R7xx) + * Returns 0 for success and an error on failure. + **/ +int r600_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; + u32 header, cmd, count, tiled; + volatile u32 *ib = p->ib.ptr; + u32 idx, idx_value; + u64 src_offset, dst_offset; + int r; + + do { + if (p->idx >= ib_chunk->length_dw) { + DRM_ERROR("Can not parse packet at %d after CS end %d !\n", + p->idx, ib_chunk->length_dw); + return -EINVAL; + } + idx = p->idx; + header = radeon_get_ib_value(p, idx); + cmd = GET_DMA_CMD(header); + count = GET_DMA_COUNT(header); + tiled = GET_DMA_T(header); + + switch (cmd) { + case DMA_PACKET_WRITE: + r = r600_dma_cs_next_reloc(p, &dst_reloc); + if (r) { + DRM_ERROR("bad DMA_PACKET_WRITE\n"); + return -EINVAL; + } + if (tiled) { + dst_offset = radeon_get_ib_value(p, idx+1); + dst_offset <<= 8; + + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + p->idx += count + 5; + } else { + dst_offset = radeon_get_ib_value(p, idx+1); + dst_offset |= ((u64)(radeon_get_ib_value(p, 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; + } + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA write buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + break; + case DMA_PACKET_COPY: + r = r600_dma_cs_next_reloc(p, &src_reloc); + if (r) { + DRM_ERROR("bad DMA_PACKET_COPY\n"); + return -EINVAL; + } + r = r600_dma_cs_next_reloc(p, &dst_reloc); + if (r) { + DRM_ERROR("bad DMA_PACKET_COPY\n"); + return -EINVAL; + } + if (tiled) { + idx_value = radeon_get_ib_value(p, idx + 2); + /* detile bit */ + if (idx_value & (1 << 31)) { + /* tiled src, linear dst */ + src_offset = radeon_get_ib_value(p, idx+1); + src_offset <<= 8; + ib[idx+1] += (u32)(src_reloc->lobj.gpu_offset >> 8); + + dst_offset = radeon_get_ib_value(p, idx+5); + dst_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32; + ib[idx+5] += (u32)(dst_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+6] += upper_32_bits(dst_reloc->lobj.gpu_offset) & 0xff; + } else { + /* linear src, tiled dst */ + src_offset = radeon_get_ib_value(p, idx+5); + src_offset |= ((u64)(radeon_get_ib_value(p, idx+6) & 0xff)) << 32; + ib[idx+5] += (u32)(src_reloc->lobj.gpu_offset & 0xfffffffc); + ib[idx+6] += upper_32_bits(src_reloc->lobj.gpu_offset) & 0xff; + + dst_offset = radeon_get_ib_value(p, idx+1); + dst_offset <<= 8; + ib[idx+1] += (u32)(dst_reloc->lobj.gpu_offset >> 8); + } + p->idx += 7; + } else { + if (p->family >= CHIP_RV770) { + src_offset = radeon_get_ib_value(p, idx+2); + src_offset |= ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32; + dst_offset = radeon_get_ib_value(p, idx+1); + dst_offset |= ((u64)(radeon_get_ib_value(p, 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; + } else { + src_offset = radeon_get_ib_value(p, idx+2); + src_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0xff)) << 32; + dst_offset = radeon_get_ib_value(p, idx+1); + dst_offset |= ((u64)(radeon_get_ib_value(p, 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", + 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 write dst buffer too small (%llu %lu)\n", + dst_offset + (count * 4), radeon_bo_size(dst_reloc->robj)); + return -EINVAL; + } + break; + case DMA_PACKET_CONSTANT_FILL: + if (p->family < CHIP_RV770) { + DRM_ERROR("Constant Fill is 7xx only !\n"); + return -EINVAL; + } + r = r600_dma_cs_next_reloc(p, &dst_reloc); + if (r) { + DRM_ERROR("bad DMA_PACKET_WRITE\n"); + return -EINVAL; + } + dst_offset = radeon_get_ib_value(p, idx+1); + dst_offset |= ((u64)(radeon_get_ib_value(p, idx+3) & 0x00ff0000)) << 16; + if ((dst_offset + (count * 4)) > radeon_bo_size(dst_reloc->robj)) { + dev_warn(p->dev, "DMA constant fill 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+3] += (upper_32_bits(dst_reloc->lobj.gpu_offset) << 16) & 0x00ff0000; + p->idx += 4; + break; + case DMA_PACKET_NOP: + p->idx += 1; + break; + default: + DRM_ERROR("Unknown packet type %d at %d !\n", cmd, idx); + return -EINVAL; + } + } 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 + return 0; +} |