summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/r600_cs.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/r600_cs.c')
-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c783
1 files changed, 783 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
new file mode 100644
index 00000000000..d28970db6a2
--- /dev/null
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -0,0 +1,783 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ * Jerome Glisse
+ */
+#include "drmP.h"
+#include "radeon.h"
+#include "r600d.h"
+
+static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
+ struct radeon_cs_reloc **cs_reloc);
+static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
+ struct radeon_cs_reloc **cs_reloc);
+typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
+static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
+
+/**
+ * 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[0];
+ (*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_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 = header >> 2;
+ mutex_lock(&p->rdev->ddev->mode_config.mutex);
+ obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
+ if (!obj) {
+ DRM_ERROR("cannot find crtc %d\n", crtc_id);
+ r = -EINVAL;
+ goto out;
+ }
+ crtc = obj_to_crtc(obj);
+ radeon_crtc = to_radeon_crtc(crtc);
+ crtc_id = radeon_crtc->crtc_id;
+
+ if (!crtc->enabled) {
+ /* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
+ ib[h_idx + 2] = PACKET2(0);
+ ib[h_idx + 3] = PACKET2(0);
+ ib[h_idx + 4] = PACKET2(0);
+ ib[h_idx + 5] = PACKET2(0);
+ ib[h_idx + 6] = PACKET2(0);
+ ib[h_idx + 7] = PACKET2(0);
+ ib[h_idx + 8] = PACKET2(0);
+ } else if (crtc_id == 1) {
+ switch (reg) {
+ case AVIVO_D1MODE_VLINE_START_END:
+ header &= ~R600_CP_PACKET0_REG_MASK;
+ header |= AVIVO_D2MODE_VLINE_START_END >> 2;
+ break;
+ default:
+ DRM_ERROR("unknown crtc reloc\n");
+ r = -EINVAL;
+ goto out;
+ }
+ ib[h_idx] = header;
+ ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
+ }
+out:
+ mutex_unlock(&p->rdev->ddev->mode_config.mutex);
+ return r;
+}
+
+static int r600_packet0_check(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt,
+ unsigned idx, unsigned reg)
+{
+ int r;
+
+ switch (reg) {
+ case AVIVO_D1MODE_VLINE_START_END:
+ r = r600_cs_packet_parse_vline(p);
+ if (r) {
+ DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+ idx, reg);
+ return r;
+ }
+ break;
+ default:
+ printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
+ reg, idx);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt)
+{
+ unsigned reg, i;
+ unsigned idx;
+ int r;
+
+ idx = pkt->idx + 1;
+ reg = pkt->reg;
+ for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
+ r = r600_packet0_check(p, pkt, idx, reg);
+ if (r) {
+ return r;
+ }
+ }
+ return 0;
+}
+
+static int r600_packet3_check(struct radeon_cs_parser *p,
+ struct radeon_cs_packet *pkt)
+{
+ struct radeon_cs_reloc *reloc;
+ volatile u32 *ib;
+ unsigned idx;
+ unsigned i;
+ unsigned start_reg, end_reg, reg;
+ int r;
+ u32 idx_value;
+
+ 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;
+ break;
+ case PACKET3_DRAW_INDEX_AUTO:
+ if (pkt->count != 1) {
+ DRM_ERROR("bad DRAW_INDEX_AUTO\n");
+ return -EINVAL;
+ }
+ 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;
+ }
+ 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);
+ switch (reg) {
+ case CP_COHER_BASE:
+ /* use PACKET3_SURFACE_SYNC */
+ return -EINVAL;
+ default:
+ break;
+ }
+ }
+ 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);
+ switch (reg) {
+ case DB_DEPTH_BASE:
+ 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:
+ 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:
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ DRM_ERROR("bad SET_CONTEXT_REG "
+ "0x%04X\n", reg);
+ return -EINVAL;
+ }
+ ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ break;
+ case VGT_DMA_BASE:
+ case VGT_DMA_BASE_HI:
+ /* These should be handled by DRAW_INDEX packet 3 */
+ case VGT_STRMOUT_BASE_OFFSET_0:
+ case VGT_STRMOUT_BASE_OFFSET_1:
+ case VGT_STRMOUT_BASE_OFFSET_2:
+ case VGT_STRMOUT_BASE_OFFSET_3:
+ case VGT_STRMOUT_BASE_OFFSET_HI_0:
+ case VGT_STRMOUT_BASE_OFFSET_HI_1:
+ case VGT_STRMOUT_BASE_OFFSET_HI_2:
+ case VGT_STRMOUT_BASE_OFFSET_HI_3:
+ case VGT_STRMOUT_BUFFER_BASE_0:
+ case VGT_STRMOUT_BUFFER_BASE_1:
+ case VGT_STRMOUT_BUFFER_BASE_2:
+ case VGT_STRMOUT_BUFFER_BASE_3:
+ case VGT_STRMOUT_BUFFER_OFFSET_0:
+ case VGT_STRMOUT_BUFFER_OFFSET_1:
+ case VGT_STRMOUT_BUFFER_OFFSET_2:
+ case VGT_STRMOUT_BUFFER_OFFSET_3:
+ /* These should be handled by STRMOUT_BUFFER packet 3 */
+ DRM_ERROR("bad context reg: 0x%08x\n", reg);
+ return -EINVAL;
+ default:
+ break;
+ }
+ }
+ 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++) {
+ switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
+ case SQ_TEX_VTX_VALID_TEXTURE:
+ /* tex base */
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ DRM_ERROR("bad SET_RESOURCE\n");
+ return -EINVAL;
+ }
+ ib[idx+1+(i*7)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ /* tex mip base */
+ r = r600_cs_packet_next_reloc(p, &reloc);
+ if (r) {
+ DRM_ERROR("bad SET_RESOURCE\n");
+ return -EINVAL;
+ }
+ ib[idx+1+(i*7)+3] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+ 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;
+ }
+ 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:
+ 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;
+ int r;
+
+ do {
+ r = r600_cs_packet_parse(p, &pkt, p->idx);
+ if (r) {
+ 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);
+ return -EINVAL;
+ }
+ if (r) {
+ 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
+ return 0;
+}
+
+static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
+{
+ if (p->chunk_relocs_idx == -1) {
+ return 0;
+ }
+ p->relocs = kcalloc(1, 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;
+ int r;
+
+ /* initialize parser */
+ memset(&parser, 0, sizeof(struct radeon_cs_parser));
+ parser.filp = filp;
+ parser.rdev = NULL;
+ parser.family = family;
+ parser.ib = &fake_ib;
+ 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;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 10:44:39 +0000