renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 17:23:55 +08:00
Code

drm/nouveau/disp/sor/gf119-: add method to control mst enable

Browse Source 
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-11-04 17:20:35 +10:00
parent 1f8711bafe
commit f2a4051379
5 changed files with 43 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/nouveau/include/nvif/cl5070.h
View File

@ -34,6 +34,7 @@ struct nv50_disp_mthd_v1 {
#define NV50_DISP_MTHD_V1_SOR_HDMI_PWR 0x22
#define NV50_DISP_MTHD_V1_SOR_LVDS_SCRIPT 0x23
#define NV50_DISP_MTHD_V1_SOR_DP_PWR 0x24
#define NV50_DISP_MTHD_V1_SOR_DP_MST_LINK 0x25
#define NV50_DISP_MTHD_V1_PIOR_PWR 0x30
__u8 method;
__u16 hasht;
@ -90,6 +91,12 @@ struct nv50_disp_sor_dp_pwr_v0 {
__u8 pad02[6];
};
struct nv50_disp_sor_dp_mst_link_v0 {
__u8 version;
__u8 state;
__u8 pad02[6];
};
struct nv50_disp_pior_pwr_v0 {
__u8 version;
__u8 state;

22
drivers/gpu/drm/nouveau/nvkm/engine/disp/gf119.c
View File

@ -203,17 +203,19 @@ gf119_disp_intr_unk2_0(struct nv50_disp *disp, int head)
/* see note in nv50_disp_intr_unk20_0() */
if (outp && outp->info.type == DCB_OUTPUT_DP) {
struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
struct nvbios_init init = {
.subdev = subdev,
.bios = subdev->device->bios,
.outp = &outp->info,
.crtc = head,
.offset = outpdp->info.script[4],
.execute = 1,
};
if (!outpdp->lt.mst) {
struct nvbios_init init = {
.subdev = subdev,
.bios = subdev->device->bios,
.outp = &outp->info,
.crtc = head,
.offset = outpdp->info.script[4],
.execute = 1,
};
nvbios_exec(&init);
atomic_set(&outpdp->lt.done, 0);
nvbios_exec(&init);
atomic_set(&outpdp->lt.done, 0);
}
}
}

1
drivers/gpu/drm/nouveau/nvkm/engine/disp/outpdp.h
View File

@ -32,6 +32,7 @@ struct nvkm_output_dp {
struct mutex mutex;
struct {
atomic_t done;
bool mst;
} lt;
};

20
drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
View File

@ -180,6 +180,26 @@ nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
return ret;
}
break;
case NV50_DISP_MTHD_V1_SOR_DP_MST_LINK: {
struct nvkm_output_dp *outpdp = nvkm_output_dp(outp);
union {
struct nv50_disp_sor_dp_mst_link_v0 v0;
} *args = data;
int ret = -ENOSYS;
nvif_ioctl(object, "disp sor dp mst link size %d\n", size);
if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, false))) {
nvif_ioctl(object, "disp sor dp mst link vers %d state %d\n",
args->v0.version, args->v0.state);
if (outpdp->lt.mst != !!args->v0.state) {
outpdp->lt.mst = !!args->v0.state;
atomic_set(&outpdp->lt.done, 0);
nvkm_output_dp_train(&outpdp->base, 0);
}
return 0;
} else
return ret;
}
break;
case NV50_DISP_MTHD_V1_PIOR_PWR:
if (!func->pior.power)
return -ENODEV;

4
drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
View File

@ -56,11 +56,13 @@ gf119_sor_dp_lnk_ctl(struct nvkm_output_dp *outp, int nr, int bw, bool ef)
clksor |= bw << 18;
dpctrl |= ((1 << nr) - 1) << 16;
if (outp->lt.mst)
dpctrl |= 0x40000000;
if (ef)
dpctrl |= 0x00004000;
nvkm_mask(device, 0x612300 + soff, 0x007c0000, clksor);
nvkm_mask(device, 0x61c10c + loff, 0x001f4000, dpctrl);
nvkm_mask(device, 0x61c10c + loff, 0x401f4000, dpctrl);
return 0;
}