mirror of
https://github.com/torvalds/linux.git
synced 2026-04-30 20:42:33 -04:00
70704fbf67
eDP 1.4 adds a table of link rates supported by the sink to DPCD, as well as a LINK_RATE_SET register to select between the entries in it. If present, we will use this data to generate our internal link rate table rather than using the standard list based on MAX_LINK_RATE. Some recent laptops report MAX_LINK_RATE=0, and require this support. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17
145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/*
|
|
* Copyright 2021 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.
|
|
*/
|
|
#include "ior.h"
|
|
|
|
#include <subdev/timer.h>
|
|
|
|
static int
|
|
ga102_sor_dp_links(struct nvkm_ior *sor, struct nvkm_i2c_aux *aux)
|
|
{
|
|
struct nvkm_device *device = sor->disp->engine.subdev.device;
|
|
const u32 soff = nv50_ior_base(sor);
|
|
const u32 loff = nv50_sor_link(sor);
|
|
u32 dpctrl = 0x00000000;
|
|
u32 clksor = 0x00000000;
|
|
|
|
switch (sor->dp.bw) {
|
|
case 0x06: clksor |= 0x00000000; break;
|
|
case 0x0a: clksor |= 0x00040000; break;
|
|
case 0x14: clksor |= 0x00080000; break;
|
|
case 0x1e: clksor |= 0x000c0000; break;
|
|
case 0x08: clksor |= 0x00100000; break;
|
|
case 0x09: clksor |= 0x00140000; break;
|
|
case 0x0c: clksor |= 0x00180000; break;
|
|
case 0x10: clksor |= 0x001c0000; break;
|
|
default:
|
|
WARN_ON(1);
|
|
return -EINVAL;
|
|
}
|
|
|
|
dpctrl |= ((1 << sor->dp.nr) - 1) << 16;
|
|
if (sor->dp.mst)
|
|
dpctrl |= 0x40000000;
|
|
if (sor->dp.ef)
|
|
dpctrl |= 0x00004000;
|
|
|
|
nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
|
|
|
|
/*XXX*/
|
|
nvkm_msec(device, 40, NVKM_DELAY);
|
|
nvkm_mask(device, 0x612300 + soff, 0x00030000, 0x00010000);
|
|
nvkm_mask(device, 0x61c10c + loff, 0x00000003, 0x00000001);
|
|
|
|
nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
ga102_sor_clock(struct nvkm_ior *sor)
|
|
{
|
|
struct nvkm_device *device = sor->disp->engine.subdev.device;
|
|
u32 div2 = 0;
|
|
if (sor->asy.proto == TMDS) {
|
|
if (sor->tmds.high_speed)
|
|
div2 = 1;
|
|
}
|
|
nvkm_wr32(device, 0x00ec08 + (sor->id * 0x10), 0x00000000);
|
|
nvkm_wr32(device, 0x00ec04 + (sor->id * 0x10), div2);
|
|
}
|
|
|
|
static const struct nvkm_ior_func
|
|
ga102_sor_hda = {
|
|
.route = {
|
|
.get = gm200_sor_route_get,
|
|
.set = gm200_sor_route_set,
|
|
},
|
|
.state = gv100_sor_state,
|
|
.power = nv50_sor_power,
|
|
.clock = ga102_sor_clock,
|
|
.hdmi = {
|
|
.ctrl = gv100_hdmi_ctrl,
|
|
.scdc = gm200_hdmi_scdc,
|
|
},
|
|
.dp = {
|
|
.lanes = { 0, 1, 2, 3 },
|
|
.links = ga102_sor_dp_links,
|
|
.power = g94_sor_dp_power,
|
|
.pattern = gm107_sor_dp_pattern,
|
|
.drive = gm200_sor_dp_drive,
|
|
.vcpi = tu102_sor_dp_vcpi,
|
|
.audio = gv100_sor_dp_audio,
|
|
.audio_sym = gv100_sor_dp_audio_sym,
|
|
.watermark = gv100_sor_dp_watermark,
|
|
},
|
|
.hda = {
|
|
.hpd = gf119_hda_hpd,
|
|
.eld = gf119_hda_eld,
|
|
.device_entry = gv100_hda_device_entry,
|
|
},
|
|
};
|
|
|
|
static const struct nvkm_ior_func
|
|
ga102_sor = {
|
|
.route = {
|
|
.get = gm200_sor_route_get,
|
|
.set = gm200_sor_route_set,
|
|
},
|
|
.state = gv100_sor_state,
|
|
.power = nv50_sor_power,
|
|
.clock = ga102_sor_clock,
|
|
.hdmi = {
|
|
.ctrl = gv100_hdmi_ctrl,
|
|
.scdc = gm200_hdmi_scdc,
|
|
},
|
|
.dp = {
|
|
.lanes = { 0, 1, 2, 3 },
|
|
.links = ga102_sor_dp_links,
|
|
.power = g94_sor_dp_power,
|
|
.pattern = gm107_sor_dp_pattern,
|
|
.drive = gm200_sor_dp_drive,
|
|
.vcpi = tu102_sor_dp_vcpi,
|
|
.audio = gv100_sor_dp_audio,
|
|
.audio_sym = gv100_sor_dp_audio_sym,
|
|
.watermark = gv100_sor_dp_watermark,
|
|
},
|
|
};
|
|
|
|
int
|
|
ga102_sor_new(struct nvkm_disp *disp, int id)
|
|
{
|
|
struct nvkm_device *device = disp->engine.subdev.device;
|
|
u32 hda = nvkm_rd32(device, 0x08a15c);
|
|
if (hda & BIT(id))
|
|
return nvkm_ior_new_(&ga102_sor_hda, disp, SOR, id);
|
|
return nvkm_ior_new_(&ga102_sor, disp, SOR, id);
|
|
}
|