drm/nouveau/disp/nv50-: implement a common supervisor 3.0

This makes use of all the additional routing and state added in previous
commits, making it possible to deal with GM20x macro link routing, while
also sharing code between the NV50 and GF119 implementations.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 14 insertions, 154 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
index f21e0e9..0c570db 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
@@ -238,162 +238,23 @@ nv50_disp_super_ior_arm(struct nvkm_head *head)
 	return NULL;
 }
 
-static struct nvkm_output *
-exec_lookup(struct nv50_disp *disp, int head, int or, u32 ctrl,
-	    u32 *data, u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
-	    struct nvbios_outp *info)
-{
-	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
-	struct nvkm_bios *bios = subdev->device->bios;
-	struct nvkm_output *outp;
-	u16 mask, type;
-
-	if (or < 4) {
-		type = DCB_OUTPUT_ANALOG;
-		mask = 0;
-	} else
-	if (or < 8) {
-		switch (ctrl & 0x00000f00) {
-		case 0x00000000: type = DCB_OUTPUT_LVDS; mask = 1; break;
-		case 0x00000100: type = DCB_OUTPUT_TMDS; mask = 1; break;
-		case 0x00000200: type = DCB_OUTPUT_TMDS; mask = 2; break;
-		case 0x00000500: type = DCB_OUTPUT_TMDS; mask = 3; break;
-		case 0x00000800: type = DCB_OUTPUT_DP; mask = 1; break;
-		case 0x00000900: type = DCB_OUTPUT_DP; mask = 2; break;
-		default:
-			nvkm_error(subdev, "unknown SOR mc %08x\n", ctrl);
-			return NULL;
-		}
-		or  -= 4;
-	} else {
-		or   = or - 8;
-		type = 0x0010;
-		mask = 0;
-		switch (ctrl & 0x00000f00) {
-		case 0x00000000: type |= disp->pior.type[or]; break;
-		default:
-			nvkm_error(subdev, "unknown PIOR mc %08x\n", ctrl);
-			return NULL;
-		}
-	}
-
-	mask  = 0x00c0 & (mask << 6);
-	mask |= 0x0001 << or;
-	mask |= 0x0100 << head;
-
-	list_for_each_entry(outp, &disp->base.outp, head) {
-		if ((outp->info.hasht & 0xff) == type &&
-		    (outp->info.hashm & mask) == mask) {
-			*data = nvbios_outp_match(bios, outp->info.hasht, mask,
-						  ver, hdr, cnt, len, info);
-			if (!*data)
-				return NULL;
-			return outp;
-		}
-	}
-
-	return NULL;
-}
-
-static struct nvkm_output *
-exec_clkcmp(struct nv50_disp *disp, int head, int id, u32 pclk, u32 *conf)
-{
-	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
-	struct nvkm_device *device = subdev->device;
-	struct nvkm_bios *bios = device->bios;
-	struct nvkm_output *outp;
-	struct nvbios_outp info1;
-	struct nvbios_ocfg info2;
-	u8  ver, hdr, cnt, len;
-	u32 data, ctrl = 0;
-	u32 reg;
-	int i;
-
-	/* DAC */
-	for (i = 0; !(ctrl & (1 << head)) && i < disp->func->dac.nr; i++)
-		ctrl = nvkm_rd32(device, 0x610b58 + (i * 8));
-
-	/* SOR */
-	if (!(ctrl & (1 << head))) {
-		if (device->chipset  < 0x90 ||
-		    device->chipset == 0x92 ||
-		    device->chipset == 0xa0) {
-			reg = 0x610b70;
-		} else {
-			reg = 0x610794;
-		}
-		for (i = 0; !(ctrl & (1 << head)) && i < disp->func->sor.nr; i++)
-			ctrl = nvkm_rd32(device, reg + (i * 8));
-		i += 4;
-	}
-
-	/* PIOR */
-	if (!(ctrl & (1 << head))) {
-		for (i = 0; !(ctrl & (1 << head)) && i < disp->func->pior.nr; i++)
-			ctrl = nvkm_rd32(device, 0x610b80 + (i * 8));
-		i += 8;
-	}
-
-	if (!(ctrl & (1 << head)))
-		return NULL;
-	i--;
-
-	outp = exec_lookup(disp, head, i, ctrl, &data, &ver, &hdr, &cnt, &len, &info1);
-	if (!outp)
-		return NULL;
-
-	*conf = (ctrl & 0x00000f00) >> 8;
-	if (outp->info.location == 0) {
-		switch (outp->info.type) {
-		case DCB_OUTPUT_TMDS:
-			if (*conf == 5)
-				*conf |= 0x0100;
-			break;
-		case DCB_OUTPUT_LVDS:
-			*conf |= disp->sor.lvdsconf;
-			break;
-		default:
-			break;
-		}
-	} else {
-		*conf = (ctrl & 0x00000f00) >> 8;
-		pclk = pclk / 2;
-	}
-
-	data = nvbios_ocfg_match(bios, data, *conf & 0xff, *conf >> 8,
-				 &ver, &hdr, &cnt, &len, &info2);
-	if (data && id < 0xff) {
-		data = nvbios_oclk_match(bios, info2.clkcmp[id], pclk);
-		if (data) {
-			struct nvbios_init init = {
-				.subdev = subdev,
-				.bios = bios,
-				.offset = data,
-				.outp = &outp->info,
-				.crtc = head,
-				.execute = 1,
-			};
-
-			nvbios_exec(&init);
-		}
-	}
-
-	return outp;
-}
-
-static void
-nv50_disp_intr_unk40_0(struct nv50_disp *disp, int head)
+void
+nv50_disp_super_3_0(struct nv50_disp *disp, struct nvkm_head *head)
 {
-	struct nvkm_device *device = disp->base.engine.subdev.device;
-	struct nvkm_output *outp;
-	u32 pclk = nvkm_rd32(device, 0x610ad0 + (head * 0x540)) & 0x3fffff;
-	u32 conf;
+	struct nvkm_ior *ior;
 
-	outp = exec_clkcmp(disp, head, 1, pclk, &conf);
-	if (!outp)
+	/* Determine which OR, if any, we're attaching to the head. */
+	HEAD_DBG(head, "supervisor 3.0");
+	ior = nv50_disp_super_ior_asy(head);
+	if (!ior)
 		return;
 
-	nv50_disp_dptmds_war_3(disp, &outp->info);
+	/* Execute OnInt3 IED script. */
+	nv50_disp_super_ied_on(head, ior, 1, head->asy.hz / 1000);
+
+	/* OR-specific handling. */
+	if (ior->func->war_3)
+		ior->func->war_3(ior);
 }
 
 static void
@@ -660,9 +521,8 @@ nv50_disp_super(struct work_struct *work)
 		list_for_each_entry(head, &disp->base.head, head) {
 			if (!(super & (0x00000080 << head->id)))
 				continue;
-			nv50_disp_intr_unk40_0(disp, head->id);
+			nv50_disp_super_3_0(disp, head);
 		}
-		nv50_disp_update_sppll1(disp);
 	}
 
 	nvkm_wr32(device, 0x610030, 0x80000000);