cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigf119.c

/*
 * Copyright 2012 Red Hat Inc.
 *
 * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
 */
#include "nv50.h"

#include <core/client.h>

#include <nvif/cl5070.h>
#include <nvif/unpack.h>


int gf119_hdmi_ctrl(NV50_DISP_MTHD_V1) { struct nvkm_device *device = disp->base.engine.subdev.device; const u32 hoff = (head * 0x800); union { struct nv50_disp_sor_hdmi_pwr_v0 v0; } *args = data; u32 ctrl; int ret = -ENOSYS; nvif_ioctl(object, "disp sor hdmi ctrl size %d\n", size); if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) { nvif_ioctl(object, "disp sor hdmi ctrl vers %d state %d " "max_ac_packet %d rekey %d\n", args->v0.version, args->v0.state, args->v0.max_ac_packet, args->v0.rekey); if (args->v0.max_ac_packet > 0x1f || args->v0.rekey > 0x7f) return -EINVAL; ctrl = 0x40000000 * !!args->v0.state; ctrl |= args->v0.max_ac_packet << 16; ctrl |= args->v0.rekey; } else return ret; if (!(ctrl & 0x40000000)) { nvkm_mask(device, 0x616798 + hoff, 0x40000000, 0x00000000); nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000000); nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000000); return 0; } /* AVI InfoFrame */ nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000000); nvkm_wr32(device, 0x61671c + hoff, 0x000d0282); nvkm_wr32(device, 0x616720 + hoff, 0x0000006f); nvkm_wr32(device, 0x616724 + hoff, 0x00000000); nvkm_wr32(device, 0x616728 + hoff, 0x00000000); nvkm_wr32(device, 0x61672c + hoff, 0x00000000); nvkm_mask(device, 0x616714 + hoff, 0x00000001, 0x00000001); /* ??? InfoFrame? */ nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000000); nvkm_wr32(device, 0x6167ac + hoff, 0x00000010); nvkm_mask(device, 0x6167a4 + hoff, 0x00000001, 0x00000001); /* HDMI_CTRL */ nvkm_mask(device, 0x616798 + hoff, 0x401f007f, ctrl); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs370100.00%6100.00%
Total370100.00%6100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Ben Skeggs383100.00%8100.00%
Total383100.00%8100.00%
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