diff options
Diffstat (limited to 'drivers/gpu/host1x/hw/debug_hw.c')
| -rw-r--r-- | drivers/gpu/host1x/hw/debug_hw.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/debug_hw.c b/drivers/gpu/host1x/hw/debug_hw.c new file mode 100644 index 000000000..54e31d815 --- /dev/null +++ b/drivers/gpu/host1x/hw/debug_hw.c @@ -0,0 +1,249 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2010 Google, Inc. + * Author: Erik Gilling <konkers@android.com> + * + * Copyright (C) 2011-2013 NVIDIA Corporation + */ + +#include "../dev.h" +#include "../debug.h" +#include "../cdma.h" +#include "../channel.h" + +#define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400 + +enum { + HOST1X_OPCODE_SETCLASS = 0x00, + HOST1X_OPCODE_INCR = 0x01, + HOST1X_OPCODE_NONINCR = 0x02, + HOST1X_OPCODE_MASK = 0x03, + HOST1X_OPCODE_IMM = 0x04, + HOST1X_OPCODE_RESTART = 0x05, + HOST1X_OPCODE_GATHER = 0x06, + HOST1X_OPCODE_SETSTRMID = 0x07, + HOST1X_OPCODE_SETAPPID = 0x08, + HOST1X_OPCODE_SETPYLD = 0x09, + HOST1X_OPCODE_INCR_W = 0x0a, + HOST1X_OPCODE_NONINCR_W = 0x0b, + HOST1X_OPCODE_GATHER_W = 0x0c, + HOST1X_OPCODE_RESTART_W = 0x0d, + HOST1X_OPCODE_EXTEND = 0x0e, +}; + +enum { + HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK = 0x00, + HOST1X_OPCODE_EXTEND_RELEASE_MLOCK = 0x01, +}; + +#define INVALID_PAYLOAD 0xffffffff + +static unsigned int show_channel_command(struct output *o, u32 val, + u32 *payload) +{ + unsigned int mask, subop, num, opcode; + + opcode = val >> 28; + + switch (opcode) { + case HOST1X_OPCODE_SETCLASS: + mask = val & 0x3f; + if (mask) { + host1x_debug_cont(o, "SETCL(class=%03x, offset=%03x, mask=%02x, [", + val >> 6 & 0x3ff, + val >> 16 & 0xfff, mask); + return hweight8(mask); + } + + host1x_debug_cont(o, "SETCL(class=%03x)\n", val >> 6 & 0x3ff); + return 0; + + case HOST1X_OPCODE_INCR: + num = val & 0xffff; + host1x_debug_cont(o, "INCR(offset=%03x, [", + val >> 16 & 0xfff); + if (!num) + host1x_debug_cont(o, "])\n"); + + return num; + + case HOST1X_OPCODE_NONINCR: + num = val & 0xffff; + host1x_debug_cont(o, "NONINCR(offset=%03x, [", + val >> 16 & 0xfff); + if (!num) + host1x_debug_cont(o, "])\n"); + + return num; + + case HOST1X_OPCODE_MASK: + mask = val & 0xffff; + host1x_debug_cont(o, "MASK(offset=%03x, mask=%03x, [", + val >> 16 & 0xfff, mask); + if (!mask) + host1x_debug_cont(o, "])\n"); + + return hweight16(mask); + + case HOST1X_OPCODE_IMM: + host1x_debug_cont(o, "IMM(offset=%03x, data=%03x)\n", + val >> 16 & 0xfff, val & 0xffff); + return 0; + + case HOST1X_OPCODE_RESTART: + host1x_debug_cont(o, "RESTART(offset=%08x)\n", val << 4); + return 0; + + case HOST1X_OPCODE_GATHER: + host1x_debug_cont(o, "GATHER(offset=%03x, insert=%d, type=%d, count=%04x, addr=[", + val >> 16 & 0xfff, val >> 15 & 0x1, + val >> 14 & 0x1, val & 0x3fff); + return 1; + +#if HOST1X_HW >= 6 + case HOST1X_OPCODE_SETSTRMID: + host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n", + val & 0x3fffff); + return 0; + + case HOST1X_OPCODE_SETAPPID: + host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff); + return 0; + + case HOST1X_OPCODE_SETPYLD: + *payload = val & 0xffff; + host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload); + return 0; + + case HOST1X_OPCODE_INCR_W: + case HOST1X_OPCODE_NONINCR_W: + host1x_debug_cont(o, "%s(offset=%06x, ", + opcode == HOST1X_OPCODE_INCR_W ? + "INCR_W" : "NONINCR_W", + val & 0x3fffff); + if (*payload == 0) { + host1x_debug_cont(o, "[])\n"); + return 0; + } else if (*payload == INVALID_PAYLOAD) { + host1x_debug_cont(o, "unknown)\n"); + return 0; + } else { + host1x_debug_cont(o, "["); + return *payload; + } + + case HOST1X_OPCODE_GATHER_W: + host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[", + val & 0x3fff); + return 2; +#endif + + case HOST1X_OPCODE_EXTEND: + subop = val >> 24 & 0xf; + if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK) + host1x_debug_cont(o, "ACQUIRE_MLOCK(index=%d)\n", + val & 0xff); + else if (subop == HOST1X_OPCODE_EXTEND_RELEASE_MLOCK) + host1x_debug_cont(o, "RELEASE_MLOCK(index=%d)\n", + val & 0xff); + else + host1x_debug_cont(o, "EXTEND_UNKNOWN(%08x)\n", val); + return 0; + + default: + host1x_debug_cont(o, "UNKNOWN\n"); + return 0; + } +} + +static void show_gather(struct output *o, dma_addr_t phys_addr, + unsigned int words, struct host1x_cdma *cdma, + dma_addr_t pin_addr, u32 *map_addr) +{ + /* Map dmaget cursor to corresponding mem handle */ + u32 offset = phys_addr - pin_addr; + unsigned int data_count = 0, i; + u32 payload = INVALID_PAYLOAD; + + /* + * Sometimes we're given different hardware address to the same + * page - in these cases the offset will get an invalid number and + * we just have to bail out. + */ + if (offset > HOST1X_DEBUG_MAX_PAGE_OFFSET) { + host1x_debug_output(o, "[address mismatch]\n"); + return; + } + + for (i = 0; i < words; i++) { + dma_addr_t addr = phys_addr + i * 4; + u32 val = *(map_addr + offset / 4 + i); + + if (!data_count) { + host1x_debug_output(o, " %pad: %08x: ", &addr, val); + data_count = show_channel_command(o, val, &payload); + } else { + host1x_debug_cont(o, "%08x%s", val, + data_count > 1 ? ", " : "])\n"); + data_count--; + } + } +} + +static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma) +{ + struct push_buffer *pb = &cdma->push_buffer; + struct host1x_job *job; + + list_for_each_entry(job, &cdma->sync_queue, list) { + unsigned int i; + + host1x_debug_output(o, "JOB, syncpt %u: %u timeout: %u num_slots: %u num_handles: %u\n", + job->syncpt->id, job->syncpt_end, job->timeout, + job->num_slots, job->num_unpins); + + show_gather(o, pb->dma + job->first_get, job->num_slots * 2, cdma, + pb->dma + job->first_get, pb->mapped + job->first_get); + + for (i = 0; i < job->num_cmds; i++) { + struct host1x_job_gather *g; + u32 *mapped; + + if (job->cmds[i].is_wait) + continue; + + g = &job->cmds[i].gather; + + if (job->gather_copy_mapped) + mapped = (u32 *)job->gather_copy_mapped; + else + mapped = host1x_bo_mmap(g->bo); + + if (!mapped) { + host1x_debug_output(o, "[could not mmap]\n"); + continue; + } + + host1x_debug_output(o, " GATHER at %pad+%#x, %d words\n", + &g->base, g->offset, g->words); + + show_gather(o, g->base + g->offset, g->words, cdma, + g->base, mapped); + + if (!job->gather_copy_mapped) + host1x_bo_munmap(g->bo, mapped); + } + } +} + +#if HOST1X_HW >= 6 +#include "debug_hw_1x06.c" +#else +#include "debug_hw_1x01.c" +#endif + +static const struct host1x_debug_ops host1x_debug_ops = { + .show_channel_cdma = host1x_debug_show_channel_cdma, + .show_channel_fifo = host1x_debug_show_channel_fifo, + .show_mlocks = host1x_debug_show_mlocks, +}; |