mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 10:16:51 +07:00
a1a8213392
There are too many strange corner cases triggered in old userspace drivers out there to that it's nearly impossible to not break some obscure app. Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
1747 lines
52 KiB
C
1747 lines
52 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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#include <linux/kernel.h>
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#include "drmP.h"
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#include "radeon.h"
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#include "r600d.h"
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#include "r600_reg_safe.h"
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static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
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struct radeon_cs_reloc **cs_reloc);
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static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
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struct radeon_cs_reloc **cs_reloc);
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typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
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static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
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extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
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struct r600_cs_track {
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/* configuration we miror so that we use same code btw kms/ums */
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u32 group_size;
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u32 nbanks;
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u32 npipes;
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/* value we track */
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u32 sq_config;
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u32 nsamples;
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u32 cb_color_base_last[8];
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struct radeon_bo *cb_color_bo[8];
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u64 cb_color_bo_mc[8];
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u32 cb_color_bo_offset[8];
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struct radeon_bo *cb_color_frag_bo[8];
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struct radeon_bo *cb_color_tile_bo[8];
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u32 cb_color_info[8];
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u32 cb_color_size_idx[8];
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u32 cb_target_mask;
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u32 cb_shader_mask;
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u32 cb_color_size[8];
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u32 vgt_strmout_en;
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u32 vgt_strmout_buffer_en;
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u32 db_depth_control;
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u32 db_depth_info;
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u32 db_depth_size_idx;
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u32 db_depth_view;
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u32 db_depth_size;
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u32 db_offset;
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struct radeon_bo *db_bo;
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u64 db_bo_mc;
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};
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static inline int r600_bpe_from_format(u32 *bpe, u32 format)
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{
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switch (format) {
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case V_038004_COLOR_8:
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case V_038004_COLOR_4_4:
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case V_038004_COLOR_3_3_2:
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case V_038004_FMT_1:
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*bpe = 1;
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break;
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case V_038004_COLOR_16:
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case V_038004_COLOR_16_FLOAT:
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case V_038004_COLOR_8_8:
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case V_038004_COLOR_5_6_5:
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case V_038004_COLOR_6_5_5:
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case V_038004_COLOR_1_5_5_5:
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case V_038004_COLOR_4_4_4_4:
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case V_038004_COLOR_5_5_5_1:
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*bpe = 2;
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break;
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case V_038004_FMT_8_8_8:
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*bpe = 3;
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break;
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case V_038004_COLOR_32:
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case V_038004_COLOR_32_FLOAT:
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case V_038004_COLOR_16_16:
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case V_038004_COLOR_16_16_FLOAT:
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case V_038004_COLOR_8_24:
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case V_038004_COLOR_8_24_FLOAT:
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case V_038004_COLOR_24_8:
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case V_038004_COLOR_24_8_FLOAT:
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case V_038004_COLOR_10_11_11:
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case V_038004_COLOR_10_11_11_FLOAT:
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case V_038004_COLOR_11_11_10:
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case V_038004_COLOR_11_11_10_FLOAT:
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case V_038004_COLOR_2_10_10_10:
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case V_038004_COLOR_8_8_8_8:
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case V_038004_COLOR_10_10_10_2:
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case V_038004_FMT_5_9_9_9_SHAREDEXP:
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case V_038004_FMT_32_AS_8:
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case V_038004_FMT_32_AS_8_8:
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*bpe = 4;
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break;
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case V_038004_COLOR_X24_8_32_FLOAT:
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case V_038004_COLOR_32_32:
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case V_038004_COLOR_32_32_FLOAT:
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case V_038004_COLOR_16_16_16_16:
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case V_038004_COLOR_16_16_16_16_FLOAT:
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*bpe = 8;
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break;
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case V_038004_FMT_16_16_16:
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case V_038004_FMT_16_16_16_FLOAT:
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*bpe = 6;
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break;
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case V_038004_FMT_32_32_32:
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case V_038004_FMT_32_32_32_FLOAT:
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*bpe = 12;
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break;
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case V_038004_COLOR_32_32_32_32:
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case V_038004_COLOR_32_32_32_32_FLOAT:
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*bpe = 16;
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break;
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case V_038004_FMT_GB_GR:
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case V_038004_FMT_BG_RG:
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case V_038004_COLOR_INVALID:
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default:
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*bpe = 16;
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return -EINVAL;
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}
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return 0;
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}
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struct array_mode_checker {
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int array_mode;
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u32 group_size;
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u32 nbanks;
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u32 npipes;
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u32 nsamples;
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u32 bpe;
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};
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/* returns alignment in pixels for pitch/height/depth and bytes for base */
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static inline int r600_get_array_mode_alignment(struct array_mode_checker *values,
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u32 *pitch_align,
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u32 *height_align,
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u32 *depth_align,
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u64 *base_align)
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{
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u32 tile_width = 8;
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u32 tile_height = 8;
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u32 macro_tile_width = values->nbanks;
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u32 macro_tile_height = values->npipes;
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u32 tile_bytes = tile_width * tile_height * values->bpe * values->nsamples;
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u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes;
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switch (values->array_mode) {
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case ARRAY_LINEAR_GENERAL:
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/* technically tile_width/_height for pitch/height */
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*pitch_align = 1; /* tile_width */
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*height_align = 1; /* tile_height */
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*depth_align = 1;
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*base_align = 1;
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break;
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case ARRAY_LINEAR_ALIGNED:
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*pitch_align = max((u32)64, (u32)(values->group_size / values->bpe));
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*height_align = tile_height;
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*depth_align = 1;
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*base_align = values->group_size;
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break;
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case ARRAY_1D_TILED_THIN1:
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*pitch_align = max((u32)tile_width,
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(u32)(values->group_size /
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(tile_height * values->bpe * values->nsamples)));
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*height_align = tile_height;
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*depth_align = 1;
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*base_align = values->group_size;
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break;
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case ARRAY_2D_TILED_THIN1:
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*pitch_align = max((u32)macro_tile_width,
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(u32)(((values->group_size / tile_height) /
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(values->bpe * values->nsamples)) *
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values->nbanks)) * tile_width;
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*height_align = macro_tile_height * tile_height;
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*depth_align = 1;
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*base_align = max(macro_tile_bytes,
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(*pitch_align) * values->bpe * (*height_align) * values->nsamples);
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static void r600_cs_track_init(struct r600_cs_track *track)
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{
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int i;
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/* assume DX9 mode */
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track->sq_config = DX9_CONSTS;
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for (i = 0; i < 8; i++) {
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track->cb_color_base_last[i] = 0;
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track->cb_color_size[i] = 0;
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track->cb_color_size_idx[i] = 0;
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track->cb_color_info[i] = 0;
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track->cb_color_bo[i] = NULL;
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track->cb_color_bo_offset[i] = 0xFFFFFFFF;
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track->cb_color_bo_mc[i] = 0xFFFFFFFF;
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}
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track->cb_target_mask = 0xFFFFFFFF;
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track->cb_shader_mask = 0xFFFFFFFF;
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track->db_bo = NULL;
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track->db_bo_mc = 0xFFFFFFFF;
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/* assume the biggest format and that htile is enabled */
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track->db_depth_info = 7 | (1 << 25);
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track->db_depth_view = 0xFFFFC000;
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track->db_depth_size = 0xFFFFFFFF;
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track->db_depth_size_idx = 0;
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track->db_depth_control = 0xFFFFFFFF;
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}
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static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
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{
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struct r600_cs_track *track = p->track;
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u32 bpe = 0, slice_tile_max, size, tmp;
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u32 height, height_align, pitch, pitch_align, depth_align;
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u64 base_offset, base_align;
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struct array_mode_checker array_check;
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volatile u32 *ib = p->ib->ptr;
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unsigned array_mode;
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if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
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dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n");
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return -EINVAL;
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}
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size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];
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if (r600_bpe_from_format(&bpe, G_0280A0_FORMAT(track->cb_color_info[i]))) {
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dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
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__func__, __LINE__, G_0280A0_FORMAT(track->cb_color_info[i]),
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i, track->cb_color_info[i]);
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return -EINVAL;
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}
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/* pitch in pixels */
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pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8;
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slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
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slice_tile_max *= 64;
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height = slice_tile_max / pitch;
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if (height > 8192)
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height = 8192;
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array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]);
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base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i];
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array_check.array_mode = array_mode;
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array_check.group_size = track->group_size;
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array_check.nbanks = track->nbanks;
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array_check.npipes = track->npipes;
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array_check.nsamples = track->nsamples;
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array_check.bpe = bpe;
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if (r600_get_array_mode_alignment(&array_check,
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&pitch_align, &height_align, &depth_align, &base_align)) {
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dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
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G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
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track->cb_color_info[i]);
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return -EINVAL;
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}
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switch (array_mode) {
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case V_0280A0_ARRAY_LINEAR_GENERAL:
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break;
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case V_0280A0_ARRAY_LINEAR_ALIGNED:
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break;
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case V_0280A0_ARRAY_1D_TILED_THIN1:
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/* avoid breaking userspace */
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if (height > 7)
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height &= ~0x7;
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break;
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case V_0280A0_ARRAY_2D_TILED_THIN1:
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break;
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default:
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dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
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G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
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track->cb_color_info[i]);
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return -EINVAL;
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}
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if (!IS_ALIGNED(pitch, pitch_align)) {
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dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
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__func__, __LINE__, pitch);
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return -EINVAL;
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}
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if (!IS_ALIGNED(height, height_align)) {
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dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
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__func__, __LINE__, height);
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return -EINVAL;
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}
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if (!IS_ALIGNED(base_offset, base_align)) {
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dev_warn(p->dev, "%s offset[%d] 0x%llx not aligned\n", __func__, i, base_offset);
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return -EINVAL;
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}
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/* check offset */
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tmp = height * pitch * bpe;
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if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
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if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) {
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/* the initial DDX does bad things with the CB size occasionally */
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/* it rounds up height too far for slice tile max but the BO is smaller */
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/* r600c,g also seem to flush at bad times in some apps resulting in
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* bogus values here. So for linear just allow anything to avoid breaking
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* broken userspace.
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*/
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} else {
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dev_warn(p->dev, "%s offset[%d] %d %d %lu too big\n", __func__, i, track->cb_color_bo_offset[i], tmp, radeon_bo_size(track->cb_color_bo[i]));
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return -EINVAL;
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}
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}
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/* limit max tile */
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tmp = (height * pitch) >> 6;
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if (tmp < slice_tile_max)
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slice_tile_max = tmp;
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tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) |
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S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
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ib[track->cb_color_size_idx[i]] = tmp;
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return 0;
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}
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static int r600_cs_track_check(struct radeon_cs_parser *p)
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{
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struct r600_cs_track *track = p->track;
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u32 tmp;
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int r, i;
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volatile u32 *ib = p->ib->ptr;
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/* on legacy kernel we don't perform advanced check */
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if (p->rdev == NULL)
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return 0;
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/* we don't support out buffer yet */
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if (track->vgt_strmout_en || track->vgt_strmout_buffer_en) {
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dev_warn(p->dev, "this kernel doesn't support SMX output buffer\n");
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return -EINVAL;
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}
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/* check that we have a cb for each enabled target, we don't check
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* shader_mask because it seems mesa isn't always setting it :(
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*/
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tmp = track->cb_target_mask;
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for (i = 0; i < 8; i++) {
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if ((tmp >> (i * 4)) & 0xF) {
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/* at least one component is enabled */
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if (track->cb_color_bo[i] == NULL) {
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dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
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__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
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return -EINVAL;
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}
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/* perform rewrite of CB_COLOR[0-7]_SIZE */
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r = r600_cs_track_validate_cb(p, i);
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if (r)
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return r;
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}
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}
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/* Check depth buffer */
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if (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
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G_028800_Z_ENABLE(track->db_depth_control)) {
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u32 nviews, bpe, ntiles, size, slice_tile_max;
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u32 height, height_align, pitch, pitch_align, depth_align;
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u64 base_offset, base_align;
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struct array_mode_checker array_check;
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int array_mode;
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if (track->db_bo == NULL) {
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dev_warn(p->dev, "z/stencil with no depth buffer\n");
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return -EINVAL;
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}
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if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
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dev_warn(p->dev, "this kernel doesn't support z/stencil htile\n");
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return -EINVAL;
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}
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switch (G_028010_FORMAT(track->db_depth_info)) {
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case V_028010_DEPTH_16:
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bpe = 2;
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break;
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case V_028010_DEPTH_X8_24:
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case V_028010_DEPTH_8_24:
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case V_028010_DEPTH_X8_24_FLOAT:
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case V_028010_DEPTH_8_24_FLOAT:
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case V_028010_DEPTH_32_FLOAT:
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bpe = 4;
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break;
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case V_028010_DEPTH_X24_8_32_FLOAT:
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bpe = 8;
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break;
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default:
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dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
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return -EINVAL;
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}
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if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
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if (!track->db_depth_size_idx) {
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dev_warn(p->dev, "z/stencil buffer size not set\n");
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return -EINVAL;
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}
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tmp = radeon_bo_size(track->db_bo) - track->db_offset;
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tmp = (tmp / bpe) >> 6;
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if (!tmp) {
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dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
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track->db_depth_size, bpe, track->db_offset,
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radeon_bo_size(track->db_bo));
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return -EINVAL;
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}
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ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
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} else {
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size = radeon_bo_size(track->db_bo);
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/* pitch in pixels */
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pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8;
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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.bpe = 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) invalid\n",
|
|
__func__, __LINE__, pitch);
|
|
return -EINVAL;
|
|
}
|
|
if (!IS_ALIGNED(height, height_align)) {
|
|
dev_warn(p->dev, "%s:%d db height (%d) invalid\n",
|
|
__func__, __LINE__, height);
|
|
return -EINVAL;
|
|
}
|
|
if (!IS_ALIGNED(base_offset, base_align)) {
|
|
dev_warn(p->dev, "%s offset[%d] 0x%llx not aligned\n", __func__, i, base_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 -> %u have %lu)\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);
|
|
|
|
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:
|
|
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];
|
|
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];
|
|
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) << 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;
|
|
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) << 8;
|
|
ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
|
|
track->db_bo = reloc->robj;
|
|
track->db_bo_mc = reloc->lobj.gpu_offset;
|
|
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 (!nlevels)
|
|
*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 inline 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 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0;
|
|
u32 word0, word1, l0_size, mipmap_size;
|
|
u32 height_align, pitch, pitch_align, depth_align;
|
|
u64 base_align;
|
|
struct array_mode_checker array_check;
|
|
|
|
/* 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 (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 in texels */
|
|
pitch = (G_038000_PITCH(word0) + 1) * 8;
|
|
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.bpe = bpe;
|
|
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) invalid\n",
|
|
__func__, __LINE__, pitch);
|
|
return -EINVAL;
|
|
}
|
|
if (!IS_ALIGNED(base_offset, base_align)) {
|
|
dev_warn(p->dev, "%s:%d tex base offset (0x%llx) invalid\n",
|
|
__func__, __LINE__, base_offset);
|
|
return -EINVAL;
|
|
}
|
|
if (!IS_ALIGNED(mip_offset, base_align)) {
|
|
dev_warn(p->dev, "%s:%d tex mip offset (0x%llx) invalid\n",
|
|
__func__, __LINE__, mip_offset);
|
|
return -EINVAL;
|
|
}
|
|
|
|
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) << 8;
|
|
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) << 8;
|
|
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 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, 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 = r600_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("bad SET_RESOURCE\n");
|
|
return -EINVAL;
|
|
}
|
|
base_offset = (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;
|
|
}
|
|
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:
|
|
/* 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) + 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);
|
|
}
|
|
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;
|
|
}
|