From 1976f4980c0fc60857e806ace2d743ff84b1ab18 Mon Sep 17 00:00:00 2001 From: Icecream95 Date: Mon, 6 Sep 2021 20:10:56 +1200 Subject: [PATCH] lima: Add a noop drm-shim Hard-code Mali450 with six cores for now, matching the hardware I have. Reviewed-by: Vasily Khoruzhick Reviewed-by: Erico Nunes Part-of: --- src/gallium/drivers/lima/drm-shim/lima_noop.c | 120 ++++++++++++++++++ src/gallium/drivers/lima/drm-shim/meson.build | 29 +++++ src/gallium/drivers/lima/meson.build | 4 + 3 files changed, 153 insertions(+) create mode 100644 src/gallium/drivers/lima/drm-shim/lima_noop.c create mode 100644 src/gallium/drivers/lima/drm-shim/meson.build diff --git a/src/gallium/drivers/lima/drm-shim/lima_noop.c b/src/gallium/drivers/lima/drm-shim/lima_noop.c new file mode 100644 index 00000000000..2732029075e --- /dev/null +++ b/src/gallium/drivers/lima/drm-shim/lima_noop.c @@ -0,0 +1,120 @@ +/* + * Copyright (C) 2021 Icecream95 + * Copyright (C) 2019 Google LLC + * + * 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. + */ + +#include +#include +#include +#include "drm-shim/drm_shim.h" +#include "drm-uapi/lima_drm.h" + +#include "util/u_math.h" + +bool drm_shim_driver_prefers_first_render_node = true; + +static int +lima_ioctl_noop(int fd, unsigned long request, void *arg) +{ + return 0; +} + +static int +lima_ioctl_get_param(int fd, unsigned long request, void *arg) +{ + struct drm_lima_get_param *gp = arg; + + switch (gp->param) { + case DRM_LIMA_PARAM_GPU_ID: + gp->value = DRM_LIMA_PARAM_GPU_ID_MALI450; + return 0; + case DRM_LIMA_PARAM_NUM_PP: + gp->value = 6; + return 0; + default: + fprintf(stderr, "Unknown DRM_IOCTL_LIMA_GET_PARAM %d\n", gp->param); + return -1; + } +} + +static int +lima_ioctl_gem_create(int fd, unsigned long request, void *arg) +{ + struct drm_lima_gem_create *create = arg; + + struct shim_fd *shim_fd = drm_shim_fd_lookup(fd); + struct shim_bo *bo = calloc(1, sizeof(*bo)); + size_t size = ALIGN(create->size, 4096); + + drm_shim_bo_init(bo, size); + + create->handle = drm_shim_bo_get_handle(shim_fd, bo); + + drm_shim_bo_put(bo); + + return 0; +} + +static int +lima_ioctl_gem_info(int fd, unsigned long request, void *arg) +{ + struct drm_lima_gem_info *gem_info = arg; + + struct shim_fd *shim_fd = drm_shim_fd_lookup(fd); + struct shim_bo *bo = drm_shim_bo_lookup(shim_fd, gem_info->handle); + + gem_info->va = bo->mem_addr; + gem_info->offset = drm_shim_bo_get_mmap_offset(shim_fd, bo); + + return 0; +} + +static ioctl_fn_t driver_ioctls[] = { + [DRM_LIMA_GET_PARAM] = lima_ioctl_get_param, + [DRM_LIMA_GEM_CREATE] = lima_ioctl_gem_create, + [DRM_LIMA_GEM_INFO] = lima_ioctl_gem_info, + [DRM_LIMA_GEM_SUBMIT] = lima_ioctl_noop, + [DRM_LIMA_GEM_WAIT] = lima_ioctl_noop, + [DRM_LIMA_CTX_CREATE] = lima_ioctl_noop, + [DRM_LIMA_CTX_FREE] = lima_ioctl_noop, +}; + +void +drm_shim_driver_init(void) +{ + shim_device.bus_type = DRM_BUS_PLATFORM; + shim_device.driver_name = "lima"; + shim_device.driver_ioctls = driver_ioctls; + shim_device.driver_ioctl_count = ARRAY_SIZE(driver_ioctls); + + /* lima uses the DRM version to expose features, instead of getparam. */ + shim_device.version_major = 1; + shim_device.version_minor = 1; + shim_device.version_patchlevel = 0; + + drm_shim_override_file("DRIVER=lima\n" + "OF_FULLNAME=/soc/mali\n" + "OF_COMPATIBLE_0=arm,mali-450\n" + "OF_COMPATIBLE_N=1\n", + "/sys/dev/char/%d:%d/device/uevent", DRM_MAJOR, + render_node_minor); +} diff --git a/src/gallium/drivers/lima/drm-shim/meson.build b/src/gallium/drivers/lima/drm-shim/meson.build new file mode 100644 index 00000000000..a978d3505ba --- /dev/null +++ b/src/gallium/drivers/lima/drm-shim/meson.build @@ -0,0 +1,29 @@ +# Copyright (C) 2021 Icecream95 +# +# 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. + +liblima_noop_drm_shim = shared_library( + ['lima_noop_drm_shim'], + 'lima_noop.c', + include_directories: [inc_include, inc_src], + dependencies: dep_drm_shim, + gnu_symbol_visibility : 'hidden', + install : true, +) diff --git a/src/gallium/drivers/lima/meson.build b/src/gallium/drivers/lima/meson.build index 0f172abdf9b..5bc6fbbf869 100644 --- a/src/gallium/drivers/lima/meson.build +++ b/src/gallium/drivers/lima/meson.build @@ -153,3 +153,7 @@ lima_disasm = executable( build_by_default : with_tools.contains('lima'), install : with_tools.contains('lima'), ) + +if with_tools.contains('drm-shim') + subdir('drm-shim') +endif