1b1d56ae40
Running the presubmit.sh script will apply our rules to every file in the repo. Exclude gbm.h from the formatting requirements since this file was taken from other open-source projects, and diffing will be easier without our formatting rules. In addition, special case drivers where the order of includes matters. BUG=none TEST=Verified the following commands succeed: emerge-cyan minigbm/arc-cros-gralloc emerge-oak minigbm/arc-cros-gralloc emerge-veyron_minnie-cheets minigbm/arc-cros-gralloc emerge-peach_pi minigbm emerge-nyan_big minigbm emerge-jadeite minigbm Change-Id: I6ce93fb1930da254d13d5017766c17341870ccc9 Reviewed-on: https://chromium-review.googlesource.com/447319 Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org> Tested-by: Gurchetan Singh <gurchetansingh@chromium.org> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
/*
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* Copyright 2017 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifdef DRV_VC4
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#include <stdio.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <vc4_drm.h>
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#include <xf86drm.h>
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#include "drv_priv.h"
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#include "helpers.h"
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#include "util.h"
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static const uint32_t supported_formats[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_RGB565,
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DRM_FORMAT_XRGB8888 };
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static int vc4_init(struct driver *drv)
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{
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return drv_add_linear_combinations(drv, supported_formats, ARRAY_SIZE(supported_formats));
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}
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static int vc4_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
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uint32_t flags)
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{
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int ret;
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size_t plane;
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uint32_t stride;
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struct drm_vc4_create_bo bo_create;
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/*
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* Since the ARM L1 cache line size is 64 bytes, align to that as a
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* performance optimization.
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*/
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stride = drv_stride_from_format(format, width, 0);
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stride = ALIGN(stride, 64);
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drv_bo_from_format(bo, stride, height, format);
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memset(&bo_create, 0, sizeof(bo_create));
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bo_create.size = bo->total_size;
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ret = drmIoctl(bo->drv->fd, DRM_IOCTL_VC4_CREATE_BO, &bo_create);
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if (ret) {
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fprintf(stderr, "drv: DRM_IOCTL_VC4_GEM_CREATE failed "
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"(size=%zu)\n",
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bo->total_size);
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return ret;
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}
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for (plane = 0; plane < bo->num_planes; plane++)
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bo->handles[plane].u32 = bo_create.handle;
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return 0;
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}
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static void *vc4_bo_map(struct bo *bo, struct map_info *data, size_t plane)
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{
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int ret;
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struct drm_vc4_mmap_bo bo_map;
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memset(&bo_map, 0, sizeof(bo_map));
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bo_map.handle = bo->handles[0].u32;
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ret = drmCommandWriteRead(bo->drv->fd, DRM_VC4_MMAP_BO, &bo_map, sizeof(bo_map));
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if (ret) {
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fprintf(stderr, "drv: DRM_VC4_MMAP_BO failed\n");
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return MAP_FAILED;
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}
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data->length = bo->total_size;
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return mmap(0, bo->total_size, PROT_READ | PROT_WRITE, MAP_SHARED, bo->drv->fd,
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bo_map.offset);
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}
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struct backend backend_vc4 = {
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.name = "vc4",
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.init = vc4_init,
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.bo_create = vc4_bo_create,
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.bo_import = drv_prime_bo_import,
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.bo_destroy = drv_gem_bo_destroy,
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.bo_map = vc4_bo_map,
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};
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#endif
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