diff options
Diffstat (limited to 'freedreno/freedreno_pipe.c')
| -rw-r--r-- | freedreno/freedreno_pipe.c | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/freedreno/freedreno_pipe.c b/freedreno/freedreno_pipe.c new file mode 100644 index 00000000..49949ecc --- /dev/null +++ b/freedreno/freedreno_pipe.c @@ -0,0 +1,227 @@ +/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ + +/* + * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> + * + * 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 (including the next + * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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: + * Rob Clark <robclark@freedesktop.org> + */ + +#include "freedreno_drmif.h" +#include "freedreno_priv.h" + + +static int getprop(int fd, enum kgsl_property_type type, + void *value, int sizebytes) +{ + struct kgsl_device_getproperty req = { + .type = type, + .value = value, + .sizebytes = sizebytes, + }; + return ioctl(fd, IOCTL_KGSL_DEVICE_GETPROPERTY, &req); +} + +#define GETPROP(fd, prop, x) do { \ + if (getprop((fd), KGSL_PROP_##prop, &(x), sizeof(x))) { \ + ERROR_MSG("failed to get property: " #prop); \ + goto fail; \ + } } while (0) + + +struct fd_pipe * fd_pipe_new(struct fd_device *dev, enum fd_pipe_id id) +{ + static const char *paths[] = { + [FD_PIPE_3D] = "/dev/kgsl-3d0", + [FD_PIPE_2D] = "/dev/kgsl-2d0", + }; + struct kgsl_drawctxt_create req = { + .flags = 0x2000, /* ??? */ + }; + struct fd_pipe *pipe = NULL; + int ret, fd; + + if (id > FD_PIPE_MAX) { + ERROR_MSG("invalid pipe id: %d", id); + goto fail; + } + + fd = open(paths[id], O_RDWR); + if (fd < 0) { + ERROR_MSG("could not open %s device: %d (%s)", + paths[id], fd, strerror(errno)); + goto fail; + } + + ret = ioctl(fd, IOCTL_KGSL_DRAWCTXT_CREATE, &req); + if (ret) { + ERROR_MSG("failed to allocate context: %d (%s)", + ret, strerror(errno)); + goto fail; + } + + pipe = calloc(1, sizeof(*pipe)); + if (!pipe) { + ERROR_MSG("allocation failed"); + goto fail; + } + + pipe->dev = dev; + pipe->id = id; + pipe->fd = fd; + pipe->drawctxt_id = req.drawctxt_id; + + list_inithead(&pipe->submit_list); + list_inithead(&pipe->pending_list); + + GETPROP(fd, VERSION, pipe->version); + GETPROP(fd, DEVICE_INFO, pipe->devinfo); + + INFO_MSG("Pipe Info:"); + INFO_MSG(" Device: %s", paths[id]); + INFO_MSG(" Chip-id: %d.%d.%d.%d", + (pipe->devinfo.chip_id >> 24) & 0xff, + (pipe->devinfo.chip_id >> 16) & 0xff, + (pipe->devinfo.chip_id >> 8) & 0xff, + (pipe->devinfo.chip_id >> 0) & 0xff); + INFO_MSG(" Device-id: %d", pipe->devinfo.device_id); + INFO_MSG(" GPU-id: %d", pipe->devinfo.gpu_id); + INFO_MSG(" MMU enabled: %d", pipe->devinfo.mmu_enabled); + INFO_MSG(" GMEM Base addr: 0x%08x", pipe->devinfo.gmem_gpubaseaddr); + INFO_MSG(" GMEM size: 0x%08x", pipe->devinfo.gmem_sizebytes); + INFO_MSG(" Driver version: %d.%d", + pipe->version.drv_major, pipe->version.drv_minor); + INFO_MSG(" Device version: %d.%d", + pipe->version.dev_major, pipe->version.dev_minor); + + return pipe; +fail: + if (pipe) + fd_pipe_del(pipe); + return NULL; +} + +void fd_pipe_del(struct fd_pipe *pipe) +{ + struct kgsl_drawctxt_destroy req = { + .drawctxt_id = pipe->drawctxt_id, + }; + + if (pipe->drawctxt_id) + ioctl(pipe->fd, IOCTL_KGSL_DRAWCTXT_DESTROY, &req); + + if (pipe->fd) + close(pipe->fd); + + free(pipe); +} + +int fd_pipe_get_param(struct fd_pipe *pipe, enum fd_param_id param, + uint64_t *value) +{ + switch (param) { + case FD_DEVICE_ID: + *value = pipe->devinfo.device_id; + return 0; + case FD_GMEM_SIZE: + *value = pipe->devinfo.gmem_sizebytes; + return 0; + default: + ERROR_MSG("invalid param id: %d", param); + return -1; + } +} + +int fd_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp) +{ + struct kgsl_device_waittimestamp req = { + .timestamp = timestamp, + .timeout = 5000, + }; + int ret; + + do { + ret = ioctl(pipe->fd, IOCTL_KGSL_DEVICE_WAITTIMESTAMP, &req); + } while ((ret == -1) && ((errno == EINTR) || (errno == EAGAIN))); + if (ret) + ERROR_MSG("waittimestamp failed! %d (%s)", ret, strerror(errno)); + else + fd_pipe_process_pending(pipe, timestamp); + return ret; +} + +int fd_pipe_timestamp(struct fd_pipe *pipe, uint32_t *timestamp) +{ + struct kgsl_cmdstream_readtimestamp req = { + .type = KGSL_TIMESTAMP_RETIRED + }; + int ret = ioctl(pipe->fd, IOCTL_KGSL_CMDSTREAM_READTIMESTAMP, &req); + if (ret) { + ERROR_MSG("readtimestamp failed! %d (%s)", + ret, strerror(errno)); + return ret; + } + *timestamp = req.timestamp; + return 0; +} + +/* add buffer to submit list when it is referenced in cmdstream: */ +void fd_pipe_add_submit(struct fd_pipe *pipe, struct fd_bo *bo) +{ + struct list_head *list = &bo->list[pipe->id]; + if (LIST_IS_EMPTY(list)) { + fd_bo_ref(bo); + } else { + list_del(list); + } + list_addtail(list, &pipe->submit_list); +} + +/* process buffers on submit list after flush: */ +void fd_pipe_process_submit(struct fd_pipe *pipe, uint32_t timestamp) +{ + struct fd_bo *bo, *tmp; + + LIST_FOR_EACH_ENTRY_SAFE(bo, tmp, &pipe->submit_list, list[pipe->id]) { + struct list_head *list = &bo->list[pipe->id]; + list_del(list); + bo->timestamp[pipe->id] = timestamp; + list_addtail(list, &pipe->pending_list); + } + + if (!fd_pipe_timestamp(pipe, ×tamp)) + fd_pipe_process_pending(pipe, timestamp); +} + +void fd_pipe_process_pending(struct fd_pipe *pipe, uint32_t timestamp) +{ + struct fd_bo *bo, *tmp; + + LIST_FOR_EACH_ENTRY_SAFE(bo, tmp, &pipe->pending_list, list[pipe->id]) { + struct list_head *list = &bo->list[pipe->id]; + if (bo->timestamp[pipe->id] > timestamp) + return; + list_delinit(list); + bo->timestamp[pipe->id] = 0; + fd_bo_del(bo); + } +} |