cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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r200.c (15535B)


      1/*
      2 * Copyright 2008 Advanced Micro Devices, Inc.
      3 * Copyright 2008 Red Hat Inc.
      4 * Copyright 2009 Jerome Glisse.
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a
      7 * copy of this software and associated documentation files (the "Software"),
      8 * to deal in the Software without restriction, including without limitation
      9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10 * and/or sell copies of the Software, and to permit persons to whom the
     11 * Software is furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22 * OTHER DEALINGS IN THE SOFTWARE.
     23 *
     24 * Authors: Dave Airlie
     25 *          Alex Deucher
     26 *          Jerome Glisse
     27 */
     28
     29#include <drm/radeon_drm.h>
     30#include "radeon_reg.h"
     31#include "radeon.h"
     32#include "radeon_asic.h"
     33
     34#include "r100d.h"
     35#include "r200_reg_safe.h"
     36
     37#include "r100_track.h"
     38
     39static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
     40{
     41	int vtx_size, i;
     42	vtx_size = 2;
     43
     44	if (vtx_fmt_0 & R200_VTX_Z0)
     45		vtx_size++;
     46	if (vtx_fmt_0 & R200_VTX_W0)
     47		vtx_size++;
     48	/* blend weight */
     49	if (vtx_fmt_0 & (0x7 << R200_VTX_WEIGHT_COUNT_SHIFT))
     50		vtx_size += (vtx_fmt_0 >> R200_VTX_WEIGHT_COUNT_SHIFT) & 0x7;
     51	if (vtx_fmt_0 & R200_VTX_PV_MATRIX_SEL)
     52		vtx_size++;
     53	if (vtx_fmt_0 & R200_VTX_N0)
     54		vtx_size += 3;
     55	if (vtx_fmt_0 & R200_VTX_POINT_SIZE)
     56		vtx_size++;
     57	if (vtx_fmt_0 & R200_VTX_DISCRETE_FOG)
     58		vtx_size++;
     59	if (vtx_fmt_0 & R200_VTX_SHININESS_0)
     60		vtx_size++;
     61	if (vtx_fmt_0 & R200_VTX_SHININESS_1)
     62		vtx_size++;
     63	for (i = 0; i < 8; i++) {
     64		int color_size = (vtx_fmt_0 >> (11 + 2*i)) & 0x3;
     65		switch (color_size) {
     66		case 0: break;
     67		case 1: vtx_size++; break;
     68		case 2: vtx_size += 3; break;
     69		case 3: vtx_size += 4; break;
     70		}
     71	}
     72	if (vtx_fmt_0 & R200_VTX_XY1)
     73		vtx_size += 2;
     74	if (vtx_fmt_0 & R200_VTX_Z1)
     75		vtx_size++;
     76	if (vtx_fmt_0 & R200_VTX_W1)
     77		vtx_size++;
     78	if (vtx_fmt_0 & R200_VTX_N1)
     79		vtx_size += 3;
     80	return vtx_size;
     81}
     82
     83struct radeon_fence *r200_copy_dma(struct radeon_device *rdev,
     84				   uint64_t src_offset,
     85				   uint64_t dst_offset,
     86				   unsigned num_gpu_pages,
     87				   struct dma_resv *resv)
     88{
     89	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
     90	struct radeon_fence *fence;
     91	uint32_t size;
     92	uint32_t cur_size;
     93	int i, num_loops;
     94	int r = 0;
     95
     96	/* radeon pitch is /64 */
     97	size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT;
     98	num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
     99	r = radeon_ring_lock(rdev, ring, num_loops * 4 + 64);
    100	if (r) {
    101		DRM_ERROR("radeon: moving bo (%d).\n", r);
    102		return ERR_PTR(r);
    103	}
    104	/* Must wait for 2D idle & clean before DMA or hangs might happen */
    105	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
    106	radeon_ring_write(ring, (1 << 16));
    107	for (i = 0; i < num_loops; i++) {
    108		cur_size = size;
    109		if (cur_size > 0x1FFFFF) {
    110			cur_size = 0x1FFFFF;
    111		}
    112		size -= cur_size;
    113		radeon_ring_write(ring, PACKET0(0x720, 2));
    114		radeon_ring_write(ring, src_offset);
    115		radeon_ring_write(ring, dst_offset);
    116		radeon_ring_write(ring, cur_size | (1 << 31) | (1 << 30));
    117		src_offset += cur_size;
    118		dst_offset += cur_size;
    119	}
    120	radeon_ring_write(ring, PACKET0(RADEON_WAIT_UNTIL, 0));
    121	radeon_ring_write(ring, RADEON_WAIT_DMA_GUI_IDLE);
    122	r = radeon_fence_emit(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX);
    123	if (r) {
    124		radeon_ring_unlock_undo(rdev, ring);
    125		return ERR_PTR(r);
    126	}
    127	radeon_ring_unlock_commit(rdev, ring, false);
    128	return fence;
    129}
    130
    131
    132static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
    133{
    134	int vtx_size, i, tex_size;
    135	vtx_size = 0;
    136	for (i = 0; i < 6; i++) {
    137		tex_size = (vtx_fmt_1 >> (i * 3)) & 0x7;
    138		if (tex_size > 4)
    139			continue;
    140		vtx_size += tex_size;
    141	}
    142	return vtx_size;
    143}
    144
    145int r200_packet0_check(struct radeon_cs_parser *p,
    146		       struct radeon_cs_packet *pkt,
    147		       unsigned idx, unsigned reg)
    148{
    149	struct radeon_bo_list *reloc;
    150	struct r100_cs_track *track;
    151	volatile uint32_t *ib;
    152	uint32_t tmp;
    153	int r;
    154	int i;
    155	int face;
    156	u32 tile_flags = 0;
    157	u32 idx_value;
    158
    159	ib = p->ib.ptr;
    160	track = (struct r100_cs_track *)p->track;
    161	idx_value = radeon_get_ib_value(p, idx);
    162	switch (reg) {
    163	case RADEON_CRTC_GUI_TRIG_VLINE:
    164		r = r100_cs_packet_parse_vline(p);
    165		if (r) {
    166			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    167				  idx, reg);
    168			radeon_cs_dump_packet(p, pkt);
    169			return r;
    170		}
    171		break;
    172		/* FIXME: only allow PACKET3 blit? easier to check for out of
    173		 * range access */
    174	case RADEON_DST_PITCH_OFFSET:
    175	case RADEON_SRC_PITCH_OFFSET:
    176		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
    177		if (r)
    178			return r;
    179		break;
    180	case RADEON_RB3D_DEPTHOFFSET:
    181		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
    182		if (r) {
    183			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    184				  idx, reg);
    185			radeon_cs_dump_packet(p, pkt);
    186			return r;
    187		}
    188		track->zb.robj = reloc->robj;
    189		track->zb.offset = idx_value;
    190		track->zb_dirty = true;
    191		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
    192		break;
    193	case RADEON_RB3D_COLOROFFSET:
    194		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
    195		if (r) {
    196			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    197				  idx, reg);
    198			radeon_cs_dump_packet(p, pkt);
    199			return r;
    200		}
    201		track->cb[0].robj = reloc->robj;
    202		track->cb[0].offset = idx_value;
    203		track->cb_dirty = true;
    204		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
    205		break;
    206	case R200_PP_TXOFFSET_0:
    207	case R200_PP_TXOFFSET_1:
    208	case R200_PP_TXOFFSET_2:
    209	case R200_PP_TXOFFSET_3:
    210	case R200_PP_TXOFFSET_4:
    211	case R200_PP_TXOFFSET_5:
    212		i = (reg - R200_PP_TXOFFSET_0) / 24;
    213		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
    214		if (r) {
    215			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    216				  idx, reg);
    217			radeon_cs_dump_packet(p, pkt);
    218			return r;
    219		}
    220		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
    221			if (reloc->tiling_flags & RADEON_TILING_MACRO)
    222				tile_flags |= R200_TXO_MACRO_TILE;
    223			if (reloc->tiling_flags & RADEON_TILING_MICRO)
    224				tile_flags |= R200_TXO_MICRO_TILE;
    225
    226			tmp = idx_value & ~(0x7 << 2);
    227			tmp |= tile_flags;
    228			ib[idx] = tmp + ((u32)reloc->gpu_offset);
    229		} else
    230			ib[idx] = idx_value + ((u32)reloc->gpu_offset);
    231		track->textures[i].robj = reloc->robj;
    232		track->tex_dirty = true;
    233		break;
    234	case R200_PP_CUBIC_OFFSET_F1_0:
    235	case R200_PP_CUBIC_OFFSET_F2_0:
    236	case R200_PP_CUBIC_OFFSET_F3_0:
    237	case R200_PP_CUBIC_OFFSET_F4_0:
    238	case R200_PP_CUBIC_OFFSET_F5_0:
    239	case R200_PP_CUBIC_OFFSET_F1_1:
    240	case R200_PP_CUBIC_OFFSET_F2_1:
    241	case R200_PP_CUBIC_OFFSET_F3_1:
    242	case R200_PP_CUBIC_OFFSET_F4_1:
    243	case R200_PP_CUBIC_OFFSET_F5_1:
    244	case R200_PP_CUBIC_OFFSET_F1_2:
    245	case R200_PP_CUBIC_OFFSET_F2_2:
    246	case R200_PP_CUBIC_OFFSET_F3_2:
    247	case R200_PP_CUBIC_OFFSET_F4_2:
    248	case R200_PP_CUBIC_OFFSET_F5_2:
    249	case R200_PP_CUBIC_OFFSET_F1_3:
    250	case R200_PP_CUBIC_OFFSET_F2_3:
    251	case R200_PP_CUBIC_OFFSET_F3_3:
    252	case R200_PP_CUBIC_OFFSET_F4_3:
    253	case R200_PP_CUBIC_OFFSET_F5_3:
    254	case R200_PP_CUBIC_OFFSET_F1_4:
    255	case R200_PP_CUBIC_OFFSET_F2_4:
    256	case R200_PP_CUBIC_OFFSET_F3_4:
    257	case R200_PP_CUBIC_OFFSET_F4_4:
    258	case R200_PP_CUBIC_OFFSET_F5_4:
    259	case R200_PP_CUBIC_OFFSET_F1_5:
    260	case R200_PP_CUBIC_OFFSET_F2_5:
    261	case R200_PP_CUBIC_OFFSET_F3_5:
    262	case R200_PP_CUBIC_OFFSET_F4_5:
    263	case R200_PP_CUBIC_OFFSET_F5_5:
    264		i = (reg - R200_PP_TXOFFSET_0) / 24;
    265		face = (reg - ((i * 24) + R200_PP_TXOFFSET_0)) / 4;
    266		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
    267		if (r) {
    268			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    269				  idx, reg);
    270			radeon_cs_dump_packet(p, pkt);
    271			return r;
    272		}
    273		track->textures[i].cube_info[face - 1].offset = idx_value;
    274		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
    275		track->textures[i].cube_info[face - 1].robj = reloc->robj;
    276		track->tex_dirty = true;
    277		break;
    278	case RADEON_RE_WIDTH_HEIGHT:
    279		track->maxy = ((idx_value >> 16) & 0x7FF);
    280		track->cb_dirty = true;
    281		track->zb_dirty = true;
    282		break;
    283	case RADEON_RB3D_COLORPITCH:
    284		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
    285		if (r) {
    286			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    287				  idx, reg);
    288			radeon_cs_dump_packet(p, pkt);
    289			return r;
    290		}
    291
    292		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) {
    293			if (reloc->tiling_flags & RADEON_TILING_MACRO)
    294				tile_flags |= RADEON_COLOR_TILE_ENABLE;
    295			if (reloc->tiling_flags & RADEON_TILING_MICRO)
    296				tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
    297
    298			tmp = idx_value & ~(0x7 << 16);
    299			tmp |= tile_flags;
    300			ib[idx] = tmp;
    301		} else
    302			ib[idx] = idx_value;
    303
    304		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
    305		track->cb_dirty = true;
    306		break;
    307	case RADEON_RB3D_DEPTHPITCH:
    308		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
    309		track->zb_dirty = true;
    310		break;
    311	case RADEON_RB3D_CNTL:
    312		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
    313		case 7:
    314		case 8:
    315		case 9:
    316		case 11:
    317		case 12:
    318			track->cb[0].cpp = 1;
    319			break;
    320		case 3:
    321		case 4:
    322		case 15:
    323			track->cb[0].cpp = 2;
    324			break;
    325		case 6:
    326			track->cb[0].cpp = 4;
    327			break;
    328		default:
    329			DRM_ERROR("Invalid color buffer format (%d) !\n",
    330				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
    331			return -EINVAL;
    332		}
    333		if (idx_value & RADEON_DEPTHXY_OFFSET_ENABLE) {
    334			DRM_ERROR("No support for depth xy offset in kms\n");
    335			return -EINVAL;
    336		}
    337
    338		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
    339		track->cb_dirty = true;
    340		track->zb_dirty = true;
    341		break;
    342	case RADEON_RB3D_ZSTENCILCNTL:
    343		switch (idx_value & 0xf) {
    344		case 0:
    345			track->zb.cpp = 2;
    346			break;
    347		case 2:
    348		case 3:
    349		case 4:
    350		case 5:
    351		case 9:
    352		case 11:
    353			track->zb.cpp = 4;
    354			break;
    355		default:
    356			break;
    357		}
    358		track->zb_dirty = true;
    359		break;
    360	case RADEON_RB3D_ZPASS_ADDR:
    361		r = radeon_cs_packet_next_reloc(p, &reloc, 0);
    362		if (r) {
    363			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
    364				  idx, reg);
    365			radeon_cs_dump_packet(p, pkt);
    366			return r;
    367		}
    368		ib[idx] = idx_value + ((u32)reloc->gpu_offset);
    369		break;
    370	case RADEON_PP_CNTL:
    371		{
    372			uint32_t temp = idx_value >> 4;
    373			for (i = 0; i < track->num_texture; i++)
    374				track->textures[i].enabled = !!(temp & (1 << i));
    375			track->tex_dirty = true;
    376		}
    377		break;
    378	case RADEON_SE_VF_CNTL:
    379		track->vap_vf_cntl = idx_value;
    380		break;
    381	case 0x210c:
    382		/* VAP_VF_MAX_VTX_INDX */
    383		track->max_indx = idx_value & 0x00FFFFFFUL;
    384		break;
    385	case R200_SE_VTX_FMT_0:
    386		track->vtx_size = r200_get_vtx_size_0(idx_value);
    387		break;
    388	case R200_SE_VTX_FMT_1:
    389		track->vtx_size += r200_get_vtx_size_1(idx_value);
    390		break;
    391	case R200_PP_TXSIZE_0:
    392	case R200_PP_TXSIZE_1:
    393	case R200_PP_TXSIZE_2:
    394	case R200_PP_TXSIZE_3:
    395	case R200_PP_TXSIZE_4:
    396	case R200_PP_TXSIZE_5:
    397		i = (reg - R200_PP_TXSIZE_0) / 32;
    398		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
    399		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
    400		track->tex_dirty = true;
    401		break;
    402	case R200_PP_TXPITCH_0:
    403	case R200_PP_TXPITCH_1:
    404	case R200_PP_TXPITCH_2:
    405	case R200_PP_TXPITCH_3:
    406	case R200_PP_TXPITCH_4:
    407	case R200_PP_TXPITCH_5:
    408		i = (reg - R200_PP_TXPITCH_0) / 32;
    409		track->textures[i].pitch = idx_value + 32;
    410		track->tex_dirty = true;
    411		break;
    412	case R200_PP_TXFILTER_0:
    413	case R200_PP_TXFILTER_1:
    414	case R200_PP_TXFILTER_2:
    415	case R200_PP_TXFILTER_3:
    416	case R200_PP_TXFILTER_4:
    417	case R200_PP_TXFILTER_5:
    418		i = (reg - R200_PP_TXFILTER_0) / 32;
    419		track->textures[i].num_levels = ((idx_value & R200_MAX_MIP_LEVEL_MASK)
    420						 >> R200_MAX_MIP_LEVEL_SHIFT);
    421		tmp = (idx_value >> 23) & 0x7;
    422		if (tmp == 2 || tmp == 6)
    423			track->textures[i].roundup_w = false;
    424		tmp = (idx_value >> 27) & 0x7;
    425		if (tmp == 2 || tmp == 6)
    426			track->textures[i].roundup_h = false;
    427		track->tex_dirty = true;
    428		break;
    429	case R200_PP_TXMULTI_CTL_0:
    430	case R200_PP_TXMULTI_CTL_1:
    431	case R200_PP_TXMULTI_CTL_2:
    432	case R200_PP_TXMULTI_CTL_3:
    433	case R200_PP_TXMULTI_CTL_4:
    434	case R200_PP_TXMULTI_CTL_5:
    435		i = (reg - R200_PP_TXMULTI_CTL_0) / 32;
    436		break;
    437	case R200_PP_TXFORMAT_X_0:
    438	case R200_PP_TXFORMAT_X_1:
    439	case R200_PP_TXFORMAT_X_2:
    440	case R200_PP_TXFORMAT_X_3:
    441	case R200_PP_TXFORMAT_X_4:
    442	case R200_PP_TXFORMAT_X_5:
    443		i = (reg - R200_PP_TXFORMAT_X_0) / 32;
    444		track->textures[i].txdepth = idx_value & 0x7;
    445		tmp = (idx_value >> 16) & 0x3;
    446		/* 2D, 3D, CUBE */
    447		switch (tmp) {
    448		case 0:
    449		case 3:
    450		case 4:
    451		case 5:
    452		case 6:
    453		case 7:
    454			/* 1D/2D */
    455			track->textures[i].tex_coord_type = 0;
    456			break;
    457		case 1:
    458			/* CUBE */
    459			track->textures[i].tex_coord_type = 2;
    460			break;
    461		case 2:
    462			/* 3D */
    463			track->textures[i].tex_coord_type = 1;
    464			break;
    465		}
    466		track->tex_dirty = true;
    467		break;
    468	case R200_PP_TXFORMAT_0:
    469	case R200_PP_TXFORMAT_1:
    470	case R200_PP_TXFORMAT_2:
    471	case R200_PP_TXFORMAT_3:
    472	case R200_PP_TXFORMAT_4:
    473	case R200_PP_TXFORMAT_5:
    474		i = (reg - R200_PP_TXFORMAT_0) / 32;
    475		if (idx_value & R200_TXFORMAT_NON_POWER2) {
    476			track->textures[i].use_pitch = 1;
    477		} else {
    478			track->textures[i].use_pitch = 0;
    479			track->textures[i].width = 1 << ((idx_value & RADEON_TXFORMAT_WIDTH_MASK) >> RADEON_TXFORMAT_WIDTH_SHIFT);
    480			track->textures[i].height = 1 << ((idx_value & RADEON_TXFORMAT_HEIGHT_MASK) >> RADEON_TXFORMAT_HEIGHT_SHIFT);
    481		}
    482		if (idx_value & R200_TXFORMAT_LOOKUP_DISABLE)
    483			track->textures[i].lookup_disable = true;
    484		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
    485		case R200_TXFORMAT_I8:
    486		case R200_TXFORMAT_RGB332:
    487		case R200_TXFORMAT_Y8:
    488			track->textures[i].cpp = 1;
    489			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
    490			break;
    491		case R200_TXFORMAT_AI88:
    492		case R200_TXFORMAT_ARGB1555:
    493		case R200_TXFORMAT_RGB565:
    494		case R200_TXFORMAT_ARGB4444:
    495		case R200_TXFORMAT_VYUY422:
    496		case R200_TXFORMAT_YVYU422:
    497		case R200_TXFORMAT_LDVDU655:
    498		case R200_TXFORMAT_DVDU88:
    499		case R200_TXFORMAT_AVYU4444:
    500			track->textures[i].cpp = 2;
    501			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
    502			break;
    503		case R200_TXFORMAT_ARGB8888:
    504		case R200_TXFORMAT_RGBA8888:
    505		case R200_TXFORMAT_ABGR8888:
    506		case R200_TXFORMAT_BGR111110:
    507		case R200_TXFORMAT_LDVDU8888:
    508			track->textures[i].cpp = 4;
    509			track->textures[i].compress_format = R100_TRACK_COMP_NONE;
    510			break;
    511		case R200_TXFORMAT_DXT1:
    512			track->textures[i].cpp = 1;
    513			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
    514			break;
    515		case R200_TXFORMAT_DXT23:
    516		case R200_TXFORMAT_DXT45:
    517			track->textures[i].cpp = 1;
    518			track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
    519			break;
    520		}
    521		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
    522		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
    523		track->tex_dirty = true;
    524		break;
    525	case R200_PP_CUBIC_FACES_0:
    526	case R200_PP_CUBIC_FACES_1:
    527	case R200_PP_CUBIC_FACES_2:
    528	case R200_PP_CUBIC_FACES_3:
    529	case R200_PP_CUBIC_FACES_4:
    530	case R200_PP_CUBIC_FACES_5:
    531		tmp = idx_value;
    532		i = (reg - R200_PP_CUBIC_FACES_0) / 32;
    533		for (face = 0; face < 4; face++) {
    534			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
    535			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
    536		}
    537		track->tex_dirty = true;
    538		break;
    539	default:
    540		pr_err("Forbidden register 0x%04X in cs at %d\n", reg, idx);
    541		return -EINVAL;
    542	}
    543	return 0;
    544}
    545
    546void r200_set_safe_registers(struct radeon_device *rdev)
    547{
    548	rdev->config.r100.reg_safe_bm = r200_reg_safe_bm;
    549	rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r200_reg_safe_bm);
    550}