diff options
Diffstat (limited to 'drivers/video/tegra/host/t30/3dctx_t30.c')
| -rw-r--r-- | drivers/video/tegra/host/t30/3dctx_t30.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/video/tegra/host/t30/3dctx_t30.c b/drivers/video/tegra/host/t30/3dctx_t30.c index 614d079e904e..1678cf91ef4f 100644 --- a/drivers/video/tegra/host/t30/3dctx_t30.c +++ b/drivers/video/tegra/host/t30/3dctx_t30.c @@ -85,6 +85,7 @@ static const struct hwctx_reginfo ctxsave_regs_3d_perset[] = { }; static unsigned int restore_set1_offset; + /* the same context save command sequence is used for all contexts. */ static phys_addr_t save_phys; static unsigned int save_size; @@ -151,8 +152,8 @@ static void save_push_v1(struct nvhost_cdma *cdma, ctx->restore_phys); /* gather the save buffer */ nvhost_cdma_push_gather(cdma, - cdma_to_channel(cdma)->dev->nvmap, - nvmap_ref_to_handle(nvhost_3dctx_save_buf), + (void *)NVHOST_CDMA_PUSH_GATHER_CTXSAVE, + (void *)NVHOST_CDMA_PUSH_GATHER_CTXSAVE, nvhost_opcode_gather(save_size), save_phys); } @@ -272,7 +273,17 @@ static void __init setup_save_regs(struct save_info *info, break; } if (ptr) { - memset(ptr, 0, count * 4); + /* SAVE cases only: reserve room for incoming data */ + u32 k = 0; + /* + * Create a signature pattern for indirect data (which + * will be overwritten by true incoming data) for + * better deducing where we are in a long command + * sequence, when given only a FIFO snapshot for debug + * purposes. + */ + for (k = 0; k < count; k++) + *(ptr + k) = 0xd000d000 | (offset << 16) | k; ptr += count; } save_count += count; @@ -402,8 +413,6 @@ static struct nvhost_hwctx *ctx3d_alloc_v1(struct nvhost_channel *ch) return nvhost_3dctx_alloc_common(ch, false); } -/*** savers ***/ - int __init t30_nvhost_3dctx_handler_init(struct nvhost_hwctx_handler *h) { struct nvhost_channel *ch; |