linux-zen-server/drivers/gpu/drm/nouveau/nvkm/engine/ce/gk104.c

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2023-08-30 17:53:23 +02:00
/*
* 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 "priv.h"
#include <core/enum.h>
#include <nvif/class.h>
static const struct nvkm_enum
gk104_ce_launcherr_report[] = {
{ 0x0, "NO_ERR" },
{ 0x1, "2D_LAYER_EXCEEDS_DEPTH" },
{ 0x2, "INVALID_ARGUMENT" },
{ 0x3, "MEM2MEM_RECT_OUT_OF_BOUNDS" },
{ 0x4, "SRC_LINE_EXCEEDS_PITCH" },
{ 0x5, "SRC_LINE_EXCEEDS_NEG_PITCH" },
{ 0x6, "DST_LINE_EXCEEDS_PITCH" },
{ 0x7, "DST_LINE_EXCEEDS_NEG_PITCH" },
{ 0x8, "BAD_SRC_PIXEL_COMP_REF" },
{ 0x9, "INVALID_VALUE" },
{ 0xa, "UNUSED_FIELD" },
{ 0xb, "INVALID_OPERATION" },
{}
};
static void
gk104_ce_intr_launcherr(struct nvkm_engine *ce, const u32 base)
{
struct nvkm_subdev *subdev = &ce->subdev;
struct nvkm_device *device = subdev->device;
u32 stat = nvkm_rd32(device, 0x104f14 + base);
const struct nvkm_enum *en =
nvkm_enum_find(gk104_ce_launcherr_report, stat & 0x0000000f);
nvkm_warn(subdev, "LAUNCHERR %08x [%s]\n", stat, en ? en->name : "");
nvkm_wr32(device, 0x104f14 + base, 0x00000000);
}
void
gk104_ce_intr(struct nvkm_engine *ce)
{
struct nvkm_subdev *subdev = &ce->subdev;
struct nvkm_device *device = subdev->device;
const u32 base = subdev->inst * 0x1000;
u32 mask = nvkm_rd32(device, 0x104904 + base);
u32 intr = nvkm_rd32(device, 0x104908 + base) & mask;
if (intr & 0x00000001) {
nvkm_warn(subdev, "BLOCKPIPE\n");
nvkm_wr32(device, 0x104908 + base, 0x00000001);
intr &= ~0x00000001;
}
if (intr & 0x00000002) {
nvkm_warn(subdev, "NONBLOCKPIPE\n");
nvkm_wr32(device, 0x104908 + base, 0x00000002);
intr &= ~0x00000002;
}
if (intr & 0x00000004) {
gk104_ce_intr_launcherr(ce, base);
nvkm_wr32(device, 0x104908 + base, 0x00000004);
intr &= ~0x00000004;
}
if (intr) {
nvkm_warn(subdev, "intr %08x\n", intr);
nvkm_wr32(device, 0x104908 + base, intr);
}
}
static const struct nvkm_engine_func
gk104_ce = {
.intr = gk104_ce_intr,
.sclass = {
{ -1, -1, KEPLER_DMA_COPY_A },
{}
}
};
int
gk104_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_engine **pengine)
{
return nvkm_engine_new_(&gk104_ce, device, type, inst, true, pengine);
}