From 99a845a30f62b926818412f337ad15218fb121ba Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 19 May 2017 23:59:35 +1000
Subject: [PATCH] drm/nouveau/disp/nv50-gt21x: remove workaround for dp->tmds hotplug issues
Git-commit: 99a845a30f62b926818412f337ad15218fb121ba
Patch-mainline: v4.13-rc1
References: bsc#1095094
This shouldn't have been needed ever since we started executing the
DisableLT script when shutting down heads.
Testing of the board this was originally written for seems to agree.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c | 27 ------------------------
1 file changed, 27 deletions(-)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
@@ -316,31 +316,6 @@ exec_clkcmp(struct nv50_disp *disp, int
return outp;
}
-/* If programming a TMDS output on a SOR that can also be configured for
- * DisplayPort, make sure NV50_SOR_DP_CTRL_ENABLE is forced off.
- *
- * It looks like the VBIOS TMDS scripts make an attempt at this, however,
- * the VBIOS scripts on at least one board I have only switch it off on
- * link 0, causing a blank display if the output has previously been
- * programmed for DisplayPort.
- */
-static void
-nv50_disp_intr_unk40_0_tmds(struct nv50_disp *disp,
- struct dcb_output *outp)
-{
- struct nvkm_device *device = disp->base.engine.subdev.device;
- struct nvkm_bios *bios = device->bios;
- const int link = !(outp->sorconf.link & 1);
- const int or = ffs(outp->or) - 1;
- const u32 loff = (or * 0x800) + (link * 0x80);
- const u16 mask = (outp->sorconf.link << 6) | outp->or;
- struct dcb_output match;
- u8 ver, hdr;
-
- if (dcb_outp_match(bios, DCB_OUTPUT_DP, mask, &ver, &hdr, &match))
- nvkm_mask(device, 0x61c10c + loff, 0x00000001, 0x00000000);
-}
-
static void
nv50_disp_intr_unk40_0(struct nv50_disp *disp, int head)
{
@@ -353,8 +328,6 @@ nv50_disp_intr_unk40_0(struct nv50_disp
if (!outp)
return;
- if (outp->info.location == 0 && outp->info.type == DCB_OUTPUT_TMDS)
- nv50_disp_intr_unk40_0_tmds(disp, &outp->info);
nv50_disp_dptmds_war_3(disp, &outp->info);
}