From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 8 May 2018 10:39:47 +0000 (+1000)
Subject: drm/nouveau/kms/nv50-: split core implementation by hardware class
X-Git-Tag: v4.18-rc1~16^2~11^2~49
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=09e1b78aab5715eacab02e4047c7a47d72f6a1e9;p=uclinux-h8%2Flinux.git

drm/nouveau/kms/nv50-: split core implementation by hardware class

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

diff --git a/drivers/gpu/drm/nouveau/dispnv50/Kbuild b/drivers/gpu/drm/nouveau/dispnv50/Kbuild
index f3877d2d8840..cde3ae98191a 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/Kbuild
+++ b/drivers/gpu/drm/nouveau/dispnv50/Kbuild
@@ -2,15 +2,23 @@ nouveau-y += dispnv50/disp.o
 
 nouveau-y += dispnv50/core.o
 nouveau-y += dispnv50/core507d.o
+nouveau-y += dispnv50/core827d.o
+nouveau-y += dispnv50/core907d.o
+nouveau-y += dispnv50/core917d.o
 
 nouveau-y += dispnv50/dac507d.o
+nouveau-y += dispnv50/dac907d.o
 
 nouveau-y += dispnv50/pior507d.o
 
 nouveau-y += dispnv50/sor507d.o
+nouveau-y += dispnv50/sor907d.o
 
 nouveau-y += dispnv50/head.o
 nouveau-y += dispnv50/head507d.o
+nouveau-y += dispnv50/head827d.o
+nouveau-y += dispnv50/head907d.o
+nouveau-y += dispnv50/head917d.o
 
 nouveau-y += dispnv50/wndw.o
 
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core.c b/drivers/gpu/drm/nouveau/dispnv50/core.c
index b12899fe052a..f87cbaa4f8ec 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/core.c
@@ -42,17 +42,17 @@ nv50_core_new(struct nouveau_drm *drm, struct nv50_core **pcore)
 		int version;
 		int (*new)(struct nouveau_drm *, s32, struct nv50_core **);
 	} cores[] = {
-		{ GP102_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GP100_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GM200_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GM107_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GK110_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GK104_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GF110_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GT214_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GT206_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{ GT200_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
-		{   G82_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
+		{ GP102_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
+		{ GP100_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
+		{ GM200_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
+		{ GM107_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
+		{ GK110_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
+		{ GK104_DISP_CORE_CHANNEL_DMA, 0, core917d_new },
+		{ GF110_DISP_CORE_CHANNEL_DMA, 0, core907d_new },
+		{ GT214_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
+		{ GT206_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
+		{ GT200_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
+		{   G82_DISP_CORE_CHANNEL_DMA, 0, core827d_new },
 		{  NV50_DISP_CORE_CHANNEL_DMA, 0, core507d_new },
 		{}
 	};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core.h b/drivers/gpu/drm/nouveau/dispnv50/core.h
index 3cd54469311a..5fd7ddd31e5e 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/core.h
@@ -12,6 +12,12 @@ int nv50_core_new(struct nouveau_drm *, struct nv50_core **);
 void nv50_core_del(struct nv50_core **);
 
 struct nv50_core_func {
+	void (*init)(struct nv50_core *);
+	void (*ntfy_init)(struct nouveau_bo *, u32 offset);
+	int (*ntfy_wait_done)(struct nouveau_bo *, u32 offset,
+			      struct nvif_device *);
+	void (*update)(struct nv50_core *, u32 interlock, bool ntfy);
+
 	const struct nv50_head_func *head;
 	const struct nv50_outp_func {
 		void (*ctrl)(struct nv50_core *, int or, u32 ctrl,
@@ -20,7 +26,21 @@ struct nv50_core_func {
 };
 
 int core507d_new(struct nouveau_drm *, s32, struct nv50_core **);
+int core507d_new_(const struct nv50_core_func *, struct nouveau_drm *, s32,
+		  struct nv50_core **);
+void core507d_init(struct nv50_core *);
+void core507d_ntfy_init(struct nouveau_bo *, u32);
+int core507d_ntfy_wait_done(struct nouveau_bo *, u32, struct nvif_device *);
+void core507d_update(struct nv50_core *, u32, bool);
 extern const struct nv50_outp_func dac507d;
 extern const struct nv50_outp_func sor507d;
 extern const struct nv50_outp_func pior507d;
+
+int core827d_new(struct nouveau_drm *, s32, struct nv50_core **);
+
+int core907d_new(struct nouveau_drm *, s32, struct nv50_core **);
+extern const struct nv50_outp_func dac907d;
+extern const struct nv50_outp_func sor907d;
+
+int core917d_new(struct nouveau_drm *, s32, struct nv50_core **);
 #endif
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core507d.c b/drivers/gpu/drm/nouveau/dispnv50/core507d.c
index b0325f69a26f..96d7d8fde669 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/core507d.c
@@ -26,15 +26,64 @@
 
 #include "nouveau_bo.h"
 
+void
+core507d_update(struct nv50_core *core, u32 interlock, bool ntfy)
+{
+	u32 *push;
+	if ((push = evo_wait(&core->chan, 5))) {
+		if (ntfy) {
+			evo_mthd(push, 0x0084, 1);
+			evo_data(push, 0x80000000 | NV50_DISP_CORE_NTFY);
+		}
+		evo_mthd(push, 0x0080, 2);
+		evo_data(push, interlock);
+		evo_data(push, 0x00000000);
+		evo_kick(push, &core->chan);
+	}
+}
+
+int
+core507d_ntfy_wait_done(struct nouveau_bo *bo, u32 offset,
+			struct nvif_device *device)
+{
+	s64 time = nvif_msec(device, 2000ULL,
+		if (nouveau_bo_rd32(bo, offset / 4))
+			break;
+		usleep_range(1, 2);
+	);
+	return time < 0 ? time : 0;
+}
+
+void
+core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
+{
+	nouveau_bo_wr32(bo, offset / 4, 0x00000000);
+}
+
+void
+core507d_init(struct nv50_core *core)
+{
+	u32 *push;
+	if ((push = evo_wait(&core->chan, 2))) {
+		evo_mthd(push, 0x0088, 1);
+		evo_data(push, core->chan.sync.handle);
+		evo_kick(push, &core->chan);
+	}
+}
+
 static const struct nv50_core_func
 core507d = {
+	.init = core507d_init,
+	.ntfy_init = core507d_ntfy_init,
+	.ntfy_wait_done = core507d_ntfy_wait_done,
+	.update = core507d_update,
 	.head = &head507d,
 	.dac = &dac507d,
 	.sor = &sor507d,
 	.pior = &pior507d,
 };
 
-static int
+int
 core507d_new_(const struct nv50_core_func *func, struct nouveau_drm *drm,
 	      s32 oclass, struct nv50_core **pcore)
 {
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core827d.c b/drivers/gpu/drm/nouveau/dispnv50/core827d.c
new file mode 100644
index 000000000000..6123a068f836
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/core827d.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2018 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 "core.h"
+#include "head.h"
+
+static const struct nv50_core_func
+core827d = {
+	.init = core507d_init,
+	.ntfy_init = core507d_ntfy_init,
+	.ntfy_wait_done = core507d_ntfy_wait_done,
+	.update = core507d_update,
+	.head = &head827d,
+	.dac = &dac507d,
+	.sor = &sor507d,
+	.pior = &pior507d,
+};
+
+int
+core827d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
+{
+	return core507d_new_(&core827d, drm, oclass, pcore);
+}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core907d.c b/drivers/gpu/drm/nouveau/dispnv50/core907d.c
new file mode 100644
index 000000000000..ef822f813435
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/core907d.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2018 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 "core.h"
+#include "head.h"
+
+static const struct nv50_core_func
+core907d = {
+	.init = core507d_init,
+	.ntfy_init = core507d_ntfy_init,
+	.ntfy_wait_done = core507d_ntfy_wait_done,
+	.update = core507d_update,
+	.head = &head907d,
+	.dac = &dac907d,
+	.sor = &sor907d,
+};
+
+int
+core907d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
+{
+	return core507d_new_(&core907d, drm, oclass, pcore);
+}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core917d.c b/drivers/gpu/drm/nouveau/dispnv50/core917d.c
new file mode 100644
index 000000000000..392338df5bfd
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/core917d.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2018 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 "core.h"
+#include "head.h"
+
+static const struct nv50_core_func
+core917d = {
+	.init = core507d_init,
+	.ntfy_init = core507d_ntfy_init,
+	.ntfy_wait_done = core507d_ntfy_wait_done,
+	.update = core507d_update,
+	.head = &head917d,
+	.dac = &dac907d,
+	.sor = &sor907d,
+};
+
+int
+core917d_new(struct nouveau_drm *drm, s32 oclass, struct nv50_core **pcore)
+{
+	return core507d_new_(&core917d, drm, oclass, pcore);
+}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/dac507d.c b/drivers/gpu/drm/nouveau/dispnv50/dac507d.c
index 28b6025a80f3..2a10ef7d30a8 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/dac507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/dac507d.c
@@ -21,26 +21,19 @@
  */
 #include "core.h"
 
-#include <nvif/class.h>
-
 static void
 dac507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
 	     struct nv50_head_atom *asyh)
 {
 	u32 *push, sync = 0;
 	if ((push = evo_wait(&core->chan, 3))) {
-		if (core->chan.base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			if (asyh) {
-				sync |= asyh->or.nvsync << 1;
-				sync |= asyh->or.nhsync;
-			}
-			evo_mthd(push, 0x0400 + (or * 0x080), 2);
-			evo_data(push, ctrl);
-			evo_data(push, sync);
-		} else {
-			evo_mthd(push, 0x0180 + (or * 0x020), 1);
-			evo_data(push, ctrl);
+		if (asyh) {
+			sync |= asyh->or.nvsync << 1;
+			sync |= asyh->or.nhsync;
 		}
+		evo_mthd(push, 0x0400 + (or * 0x080), 2);
+		evo_data(push, ctrl);
+		evo_data(push, sync);
 		evo_kick(push, &core->chan);
 	}
 }
diff --git a/drivers/gpu/drm/nouveau/dispnv50/dac907d.c b/drivers/gpu/drm/nouveau/dispnv50/dac907d.c
new file mode 100644
index 000000000000..11e87fa53fac
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/dac907d.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018 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 "core.h"
+
+static void
+dac907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
+	     struct nv50_head_atom *asyh)
+{
+	u32 *push;
+	if ((push = evo_wait(&core->chan, 2))) {
+		evo_mthd(push, 0x0180 + (or * 0x020), 1);
+		evo_data(push, ctrl);
+		evo_kick(push, &core->chan);
+	}
+}
+
+const struct nv50_outp_func
+dac907d = {
+	.ctrl = dac907d_ctrl,
+};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index a8367c5d4691..6136beeba3fc 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1587,10 +1587,9 @@ static void
 nv50_disp_atomic_commit_core(struct nouveau_drm *drm, u32 interlock)
 {
 	struct nv50_disp *disp = nv50_disp(drm->dev);
-	struct nv50_dmac *core = &disp->core->chan;
+	struct nv50_core *core = disp->core;
 	struct nv50_mstm *mstm;
 	struct drm_encoder *encoder;
-	u32 *push;
 
 	NV_ATOMIC(drm, "commit core %08x\n", interlock);
 
@@ -1602,21 +1601,11 @@ nv50_disp_atomic_commit_core(struct nouveau_drm *drm, u32 interlock)
 		}
 	}
 
-	if ((push = evo_wait(core, 5))) {
-		evo_mthd(push, 0x0084, 1);
-		evo_data(push, 0x80000000);
-		evo_mthd(push, 0x0080, 2);
-		evo_data(push, interlock);
-		evo_data(push, 0x00000000);
-		nouveau_bo_wr32(disp->sync, 0, 0x00000000);
-		evo_kick(push, core);
-		if (nvif_msec(&drm->client.device, 2000ULL,
-			if (nouveau_bo_rd32(disp->sync, 0))
-				break;
-			usleep_range(1, 2);
-		) < 0)
-			NV_ERROR(drm, "EVO timeout\n");
-	}
+	core->func->ntfy_init(disp->sync, NV50_DISP_CORE_NTFY);
+	core->func->update(core, interlock, true);
+	if (core->func->ntfy_wait_done(disp->sync, NV50_DISP_CORE_NTFY,
+				       disp->core->chan.base.device))
+		NV_ERROR(drm, "core notifier timeout\n");
 
 	drm_for_each_encoder(encoder, drm->dev) {
 		if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) {
@@ -1770,16 +1759,10 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state)
 
 	/* Flush update. */
 	if (interlock_core) {
-		if (!interlock_chan && atom->state.legacy_cursor_update) {
-			u32 *push = evo_wait(&disp->core->chan, 2);
-			if (push) {
-				evo_mthd(push, 0x0080, 1);
-				evo_data(push, 0x00000000);
-				evo_kick(push, &disp->core->chan);
-			}
-		} else {
+		if (interlock_chan || !atom->state.legacy_cursor_update)
 			nv50_disp_atomic_commit_core(drm, interlock_chan);
-		}
+		else
+			disp->core->func->update(disp->core, 0, false);
 	}
 
 	if (atom->lock_core)
@@ -2079,18 +2062,11 @@ nv50_display_fini(struct drm_device *dev)
 int
 nv50_display_init(struct drm_device *dev)
 {
-	struct nv50_dmac *core = &nv50_disp(dev)->core->chan;
+	struct nv50_core *core = nv50_disp(dev)->core;
 	struct drm_encoder *encoder;
 	struct drm_plane *plane;
-	u32 *push;
-
-	push = evo_wait(core, 32);
-	if (!push)
-		return -EBUSY;
 
-	evo_mthd(push, 0x0088, 1);
-	evo_data(push, core->sync.handle);
-	evo_kick(push, core);
+	core->func->init(core);
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) {
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.c b/drivers/gpu/drm/nouveau/dispnv50/head.c
index 6a809ff24e14..1335c00500d1 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.c
@@ -324,7 +324,6 @@ static int
 nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
 {
 	struct nouveau_drm *drm = nouveau_drm(crtc->dev);
-	struct nv50_disp *disp = nv50_disp(crtc->dev);
 	struct nv50_head *head = nv50_head(crtc);
 	struct nv50_head_atom *armh = nv50_head_atom(crtc->state);
 	struct nv50_head_atom *asyh = nv50_head_atom(state);
@@ -373,31 +372,9 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state)
 				nv50_head_atomic_check_procamp(armh, asyh, asyc);
 		}
 
-		if ((asyh->core.visible = (asyh->base.cpp != 0))) {
-			asyh->core.x = asyh->base.x;
-			asyh->core.y = asyh->base.y;
-			asyh->core.w = asyh->base.w;
-			asyh->core.h = asyh->base.h;
-		} else
-		if ((asyh->core.visible = asyh->curs.visible) ||
-		    (asyh->core.visible = asyh->ilut.visible)) {
-			/*XXX: We need to either find some way of having the
-			 *     primary base layer appear black, while still
-			 *     being able to display the other layers, or we
-			 *     need to allocate a dummy black surface here.
-			 */
-			asyh->core.x = 0;
-			asyh->core.y = 0;
-			asyh->core.w = asyh->state.mode.hdisplay;
-			asyh->core.h = asyh->state.mode.vdisplay;
-		}
-		asyh->core.handle = disp->core->chan.vram.handle;
-		asyh->core.offset = 0;
-		asyh->core.format = 0xcf;
-		asyh->core.kind = 0;
-		asyh->core.layout = 1;
-		asyh->core.block = 0;
-		asyh->core.pitch = ALIGN(asyh->core.w, 64) * 4;
+		if (head->func->core_calc)
+			head->func->core_calc(head, asyh);
+
 		asyh->set.base = armh->base.cpp != asyh->base.cpp;
 		asyh->set.ovly = armh->ovly.cpp != asyh->ovly.cpp;
 	} else {
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head.h b/drivers/gpu/drm/nouveau/dispnv50/head.h
index 23099a82883b..d00cebdbd260 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/head.h
@@ -24,6 +24,7 @@ struct nv50_head_func {
 	void (*mode)(struct nv50_head *, struct nv50_head_atom *);
 	void (*ilut_set)(struct nv50_head *, struct nv50_head_atom *);
 	void (*ilut_clr)(struct nv50_head *);
+	void (*core_calc)(struct nv50_head *, struct nv50_head_atom *);
 	void (*core_set)(struct nv50_head *, struct nv50_head_atom *);
 	void (*core_clr)(struct nv50_head *);
 	void (*curs_set)(struct nv50_head *, struct nv50_head_atom *);
@@ -36,4 +37,30 @@ struct nv50_head_func {
 };
 
 extern const struct nv50_head_func head507d;
+void head507d_view(struct nv50_head *, struct nv50_head_atom *);
+void head507d_mode(struct nv50_head *, struct nv50_head_atom *);
+void head507d_core_calc(struct nv50_head *, struct nv50_head_atom *);
+void head507d_core_clr(struct nv50_head *);
+void head507d_base(struct nv50_head *, struct nv50_head_atom *);
+void head507d_ovly(struct nv50_head *, struct nv50_head_atom *);
+void head507d_dither(struct nv50_head *, struct nv50_head_atom *);
+void head507d_procamp(struct nv50_head *, struct nv50_head_atom *);
+
+extern const struct nv50_head_func head827d;
+
+extern const struct nv50_head_func head907d;
+void head907d_view(struct nv50_head *, struct nv50_head_atom *);
+void head907d_mode(struct nv50_head *, struct nv50_head_atom *);
+void head907d_ilut_set(struct nv50_head *, struct nv50_head_atom *);
+void head907d_ilut_clr(struct nv50_head *);
+void head907d_core_set(struct nv50_head *, struct nv50_head_atom *);
+void head907d_core_clr(struct nv50_head *);
+void head907d_curs_set(struct nv50_head *, struct nv50_head_atom *);
+void head907d_curs_clr(struct nv50_head *);
+void head907d_base(struct nv50_head *, struct nv50_head_atom *);
+void head907d_ovly(struct nv50_head *, struct nv50_head_atom *);
+void head907d_procamp(struct nv50_head *, struct nv50_head_atom *);
+void head907d_or(struct nv50_head *, struct nv50_head_atom *);
+
+extern const struct nv50_head_func head917d;
 #endif
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head507d.c b/drivers/gpu/drm/nouveau/dispnv50/head507d.c
index 92fa249ba72f..5f06fa174832 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/head507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/head507d.c
@@ -22,62 +22,34 @@
 #include "head.h"
 #include "core.h"
 
-#include <nvif/class.h>
-
-static void
-head907d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
-{
-	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
-	u32 *push;
-	if (core->base.user.oclass >= GF110_DISP_CORE_CHANNEL_DMA &&
-	    (push = evo_wait(core, 3))) {
-		evo_mthd(push, 0x0404 + (head->base.index * 0x300), 2);
-		evo_data(push, 0x00000001 | (asyh->or.depth  << 6) |
-					    (asyh->or.nvsync << 4) |
-					    (asyh->or.nhsync << 3));
-		evo_data(push, 0x31ec6000 | (head->base.index << 25) |
-					     asyh->mode.interlace);
-		evo_kick(push, core);
-	}
-}
-
-static void
+void
 head507d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
 	if ((push = evo_wait(core, 2))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
-			evo_mthd(push, 0x08a8 + (head->base.index * 0x400), 1);
-		else
-			evo_mthd(push, 0x0498 + (head->base.index * 0x300), 1);
-		evo_data(push, (asyh->procamp.sat.sin << 20) |
-			       (asyh->procamp.sat.cos << 8));
+		evo_mthd(push, 0x08a8 + (head->base.index * 0x400), 1);
+		evo_data(push, asyh->procamp.sat.sin << 20 |
+			       asyh->procamp.sat.cos << 8);
 		evo_kick(push, core);
 	}
 }
 
-static void
+void
 head507d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
 	if ((push = evo_wait(core, 2))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
-			evo_mthd(push, 0x08a0 + (head->base.index * 0x0400), 1);
-		else
-		if (core->base.user.oclass < GK104_DISP_CORE_CHANNEL_DMA)
-			evo_mthd(push, 0x0490 + (head->base.index * 0x0300), 1);
-		else
-			evo_mthd(push, 0x04a0 + (head->base.index * 0x0300), 1);
-		evo_data(push, (asyh->dither.mode << 3) |
-			       (asyh->dither.bits << 1) |
-			        asyh->dither.enable);
+		evo_mthd(push, 0x08a0 + (head->base.index * 0x0400), 1);
+		evo_data(push, asyh->dither.mode << 3 |
+			       asyh->dither.bits << 1 |
+			       asyh->dither.enable);
 		evo_kick(push, core);
 	}
 }
 
-static void
+void
 head507d_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
@@ -97,16 +69,13 @@ head507d_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
 	}
 
 	if ((push = evo_wait(core, 2))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
-			evo_mthd(push, 0x0904 + head->base.index * 0x400, 1);
-		else
-			evo_mthd(push, 0x04d4 + head->base.index * 0x300, 1);
+		evo_mthd(push, 0x0904 + head->base.index * 0x400, 1);
 		evo_data(push, bounds);
 		evo_kick(push, core);
 	}
 }
 
-static void
+void
 head507d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
@@ -127,10 +96,7 @@ head507d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
 	}
 
 	if ((push = evo_wait(core, 2))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
-			evo_mthd(push, 0x0900 + head->base.index * 0x400, 1);
-		else
-			evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
+		evo_mthd(push, 0x0900 + head->base.index * 0x400, 1);
 		evo_data(push, bounds);
 		evo_kick(push, core);
 	}
@@ -141,22 +107,9 @@ head507d_curs_clr(struct nv50_head *head)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
-	if ((push = evo_wait(core, 4))) {
-		if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0880 + head->base.index * 0x400, 1);
-			evo_data(push, 0x05000000);
-		} else
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0880 + head->base.index * 0x400, 1);
-			evo_data(push, 0x05000000);
-			evo_mthd(push, 0x089c + head->base.index * 0x400, 1);
-			evo_data(push, 0x00000000);
-		} else {
-			evo_mthd(push, 0x0480 + head->base.index * 0x300, 1);
-			evo_data(push, 0x05000000);
-			evo_mthd(push, 0x048c + head->base.index * 0x300, 1);
-			evo_data(push, 0x00000000);
-		}
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x0880 + head->base.index * 0x400, 1);
+		evo_data(push, 0x05000000);
 		evo_kick(push, core);
 	}
 }
@@ -166,42 +119,22 @@ head507d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
-	if ((push = evo_wait(core, 5))) {
-		if (core->base.user.oclass < G82_DISP_BASE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0880 + head->base.index * 0x400, 2);
-			evo_data(push, 0x80000000 | (asyh->curs.layout << 26) |
-						    (asyh->curs.format << 24));
-			evo_data(push, asyh->curs.offset >> 8);
-		} else
-		if (core->base.user.oclass < GF110_DISP_BASE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0880 + head->base.index * 0x400, 2);
-			evo_data(push, 0x80000000 | (asyh->curs.layout << 26) |
-						    (asyh->curs.format << 24));
-			evo_data(push, asyh->curs.offset >> 8);
-			evo_mthd(push, 0x089c + head->base.index * 0x400, 1);
-			evo_data(push, asyh->curs.handle);
-		} else {
-			evo_mthd(push, 0x0480 + head->base.index * 0x300, 2);
-			evo_data(push, 0x80000000 | (asyh->curs.layout << 26) |
-						    (asyh->curs.format << 24));
-			evo_data(push, asyh->curs.offset >> 8);
-			evo_mthd(push, 0x048c + head->base.index * 0x300, 1);
-			evo_data(push, asyh->curs.handle);
-		}
+	if ((push = evo_wait(core, 3))) {
+		evo_mthd(push, 0x0880 + head->base.index * 0x400, 2);
+		evo_data(push, 0x80000000 | asyh->curs.layout << 26 |
+					    asyh->curs.format << 24);
+		evo_data(push, asyh->curs.offset >> 8);
 		evo_kick(push, core);
 	}
 }
 
-static void
+void
 head507d_core_clr(struct nv50_head *head)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
 	if ((push = evo_wait(core, 2))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA)
-			evo_mthd(push, 0x0874 + head->base.index * 0x400, 1);
-		else
-			evo_mthd(push, 0x0474 + head->base.index * 0x300, 1);
+		evo_mthd(push, 0x0874 + head->base.index * 0x400, 1);
 		evo_data(push, 0x00000000);
 		evo_kick(push, core);
 	}
@@ -213,52 +146,57 @@ head507d_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
 	if ((push = evo_wait(core, 9))) {
-		if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0860 + head->base.index * 0x400, 1);
-			evo_data(push, asyh->core.offset >> 8);
-			evo_mthd(push, 0x0868 + head->base.index * 0x400, 4);
-			evo_data(push, (asyh->core.h << 16) | asyh->core.w);
-			evo_data(push, asyh->core.layout << 20 |
-				       (asyh->core.pitch >> 8) << 8 |
-				       asyh->core.block);
-			evo_data(push, asyh->core.kind << 16 |
-				       asyh->core.format << 8);
-			evo_data(push, asyh->core.handle);
-			evo_mthd(push, 0x08c0 + head->base.index * 0x400, 1);
-			evo_data(push, (asyh->core.y << 16) | asyh->core.x);
-			/* EVO will complain with INVALID_STATE if we have an
-			 * active cursor and (re)specify HeadSetContextDmaIso
-			 * without also updating HeadSetOffsetCursor.
-			 */
-			asyh->set.curs = asyh->curs.visible;
-		} else
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0860 + head->base.index * 0x400, 1);
-			evo_data(push, asyh->core.offset >> 8);
-			evo_mthd(push, 0x0868 + head->base.index * 0x400, 4);
-			evo_data(push, (asyh->core.h << 16) | asyh->core.w);
-			evo_data(push, asyh->core.layout << 20 |
-				       (asyh->core.pitch >> 8) << 8 |
-				       asyh->core.block);
-			evo_data(push, asyh->core.format << 8);
-			evo_data(push, asyh->core.handle);
-			evo_mthd(push, 0x08c0 + head->base.index * 0x400, 1);
-			evo_data(push, (asyh->core.y << 16) | asyh->core.x);
-		} else {
-			evo_mthd(push, 0x0460 + head->base.index * 0x300, 1);
-			evo_data(push, asyh->core.offset >> 8);
-			evo_mthd(push, 0x0468 + head->base.index * 0x300, 4);
-			evo_data(push, (asyh->core.h << 16) | asyh->core.w);
-			evo_data(push, asyh->core.layout << 24 |
-				       (asyh->core.pitch >> 8) << 8 |
-				       asyh->core.block);
-			evo_data(push, asyh->core.format << 8);
-			evo_data(push, asyh->core.handle);
-			evo_mthd(push, 0x04b0 + head->base.index * 0x300, 1);
-			evo_data(push, (asyh->core.y << 16) | asyh->core.x);
-		}
+		evo_mthd(push, 0x0860 + head->base.index * 0x400, 1);
+		evo_data(push, asyh->core.offset >> 8);
+		evo_mthd(push, 0x0868 + head->base.index * 0x400, 4);
+		evo_data(push, asyh->core.h << 16 | asyh->core.w);
+		evo_data(push, asyh->core.layout << 20 |
+			       asyh->core.pitch >> 8 << 8 |
+			       asyh->core.block);
+		evo_data(push, asyh->core.kind << 16 |
+			       asyh->core.format << 8);
+		evo_data(push, asyh->core.handle);
+		evo_mthd(push, 0x08c0 + head->base.index * 0x400, 1);
+		evo_data(push, asyh->core.y << 16 | asyh->core.x);
 		evo_kick(push, core);
+
+		/* EVO will complain with INVALID_STATE if we have an
+		 * active cursor and (re)specify HeadSetContextDmaIso
+		 * without also updating HeadSetOffsetCursor.
+		 */
+		asyh->set.curs = asyh->curs.visible;
+	}
+}
+
+void
+head507d_core_calc(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_disp *disp = nv50_disp(head->base.base.dev);
+	if ((asyh->core.visible = (asyh->base.cpp != 0))) {
+		asyh->core.x = asyh->base.x;
+		asyh->core.y = asyh->base.y;
+		asyh->core.w = asyh->base.w;
+		asyh->core.h = asyh->base.h;
+	} else
+	if ((asyh->core.visible = asyh->curs.visible) ||
+	    (asyh->core.visible = asyh->ilut.visible)) {
+		/*XXX: We need to either find some way of having the
+		 *     primary base layer appear black, while still
+		 *     being able to display the other layers, or we
+		 *     need to allocate a dummy black surface here.
+		 */
+		asyh->core.x = 0;
+		asyh->core.y = 0;
+		asyh->core.w = asyh->state.mode.hdisplay;
+		asyh->core.h = asyh->state.mode.vdisplay;
 	}
+	asyh->core.handle = disp->core->chan.vram.handle;
+	asyh->core.offset = 0;
+	asyh->core.format = 0xcf;
+	asyh->core.kind = 0;
+	asyh->core.layout = 1;
+	asyh->core.block = 0;
+	asyh->core.pitch = ALIGN(asyh->core.w, 64) * 4;
 }
 
 static void
@@ -266,22 +204,9 @@ head507d_ilut_clr(struct nv50_head *head)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
-	if ((push = evo_wait(core, 4))) {
-		if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0840 + (head->base.index * 0x400), 1);
-			evo_data(push, 0x40000000);
-		} else
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0840 + (head->base.index * 0x400), 1);
-			evo_data(push, 0x40000000);
-			evo_mthd(push, 0x085c + (head->base.index * 0x400), 1);
-			evo_data(push, 0x00000000);
-		} else {
-			evo_mthd(push, 0x0440 + (head->base.index * 0x300), 1);
-			evo_data(push, 0x03000000);
-			evo_mthd(push, 0x045c + (head->base.index * 0x300), 1);
-			evo_data(push, 0x00000000);
-		}
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x0840 + (head->base.index * 0x400), 1);
+		evo_data(push, 0x40000000);
 		evo_kick(push, core);
 	}
 }
@@ -291,96 +216,51 @@ head507d_ilut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
-	if ((push = evo_wait(core, 7))) {
-		if (core->base.user.oclass < G82_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0840 + (head->base.index * 0x400), 2);
-			evo_data(push, 0x80000000 | asyh->ilut.mode << 30);
-			evo_data(push, asyh->ilut.offset >> 8);
-		} else
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0840 + (head->base.index * 0x400), 2);
-			evo_data(push, 0x80000000 | asyh->ilut.mode << 30);
-			evo_data(push, asyh->ilut.offset >> 8);
-			evo_mthd(push, 0x085c + (head->base.index * 0x400), 1);
-			evo_data(push, asyh->ilut.handle);
-		} else {
-			evo_mthd(push, 0x0440 + (head->base.index * 0x300), 4);
-			evo_data(push, 0x80000000 | asyh->ilut.mode << 24);
-			evo_data(push, asyh->ilut.offset >> 8);
-			evo_data(push, 0x00000000);
-			evo_data(push, 0x00000000);
-			evo_mthd(push, 0x045c + (head->base.index * 0x300), 1);
-			evo_data(push, asyh->ilut.handle);
-		}
+	if ((push = evo_wait(core, 3))) {
+		evo_mthd(push, 0x0840 + (head->base.index * 0x400), 2);
+		evo_data(push, 0x80000000 | asyh->ilut.mode << 30);
+		evo_data(push, asyh->ilut.offset >> 8);
 		evo_kick(push, core);
 	}
 }
 
-static void
+void
 head507d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	struct nv50_head_mode *m = &asyh->mode;
 	u32 *push;
-	if ((push = evo_wait(core, 14))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x0804 + (head->base.index * 0x400), 2);
-			evo_data(push, 0x00800000 | m->clock);
-			evo_data(push, m->interlace ? 0x00000002 : 0x00000000);
-			evo_mthd(push, 0x0810 + (head->base.index * 0x400), 7);
-			evo_data(push, 0x00000000);
-			evo_data(push, (m->v.active  << 16) | m->h.active );
-			evo_data(push, (m->v.synce   << 16) | m->h.synce  );
-			evo_data(push, (m->v.blanke  << 16) | m->h.blanke );
-			evo_data(push, (m->v.blanks  << 16) | m->h.blanks );
-			evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
-			evo_data(push, asyh->mode.v.blankus);
-			evo_mthd(push, 0x082c + (head->base.index * 0x400), 1);
-			evo_data(push, 0x00000000);
-		} else {
-			evo_mthd(push, 0x0410 + (head->base.index * 0x300), 6);
-			evo_data(push, 0x00000000);
-			evo_data(push, (m->v.active  << 16) | m->h.active );
-			evo_data(push, (m->v.synce   << 16) | m->h.synce  );
-			evo_data(push, (m->v.blanke  << 16) | m->h.blanke );
-			evo_data(push, (m->v.blanks  << 16) | m->h.blanks );
-			evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
-			evo_mthd(push, 0x042c + (head->base.index * 0x300), 2);
-			evo_data(push, 0x00000000); /* ??? */
-			evo_data(push, 0xffffff00);
-			evo_mthd(push, 0x0450 + (head->base.index * 0x300), 3);
-			evo_data(push, m->clock * 1000);
-			evo_data(push, 0x00200000); /* ??? */
-			evo_data(push, m->clock * 1000);
-		}
+	if ((push = evo_wait(core, 13))) {
+		evo_mthd(push, 0x0804 + (head->base.index * 0x400), 2);
+		evo_data(push, 0x00800000 | m->clock);
+		evo_data(push, m->interlace ? 0x00000002 : 0x00000000);
+		evo_mthd(push, 0x0810 + (head->base.index * 0x400), 7);
+		evo_data(push, 0x00000000);
+		evo_data(push, m->v.active  << 16 | m->h.active );
+		evo_data(push, m->v.synce   << 16 | m->h.synce  );
+		evo_data(push, m->v.blanke  << 16 | m->h.blanke );
+		evo_data(push, m->v.blanks  << 16 | m->h.blanks );
+		evo_data(push, m->v.blank2e << 16 | m->v.blank2s);
+		evo_data(push, asyh->mode.v.blankus);
+		evo_mthd(push, 0x082c + (head->base.index * 0x400), 1);
+		evo_data(push, 0x00000000);
 		evo_kick(push, core);
 	}
 }
 
-static void
+void
 head507d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
 {
 	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
 	u32 *push;
-	if ((push = evo_wait(core, 10))) {
-		if (core->base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			evo_mthd(push, 0x08a4 + (head->base.index * 0x400), 1);
-			evo_data(push, 0x00000000);
-			evo_mthd(push, 0x08c8 + (head->base.index * 0x400), 1);
-			evo_data(push, (asyh->view.iH << 16) | asyh->view.iW);
-			evo_mthd(push, 0x08d8 + (head->base.index * 0x400), 2);
-			evo_data(push, (asyh->view.oH << 16) | asyh->view.oW);
-			evo_data(push, (asyh->view.oH << 16) | asyh->view.oW);
-		} else {
-			evo_mthd(push, 0x0494 + (head->base.index * 0x300), 1);
-			evo_data(push, 0x00000000);
-			evo_mthd(push, 0x04b8 + (head->base.index * 0x300), 1);
-			evo_data(push, (asyh->view.iH << 16) | asyh->view.iW);
-			evo_mthd(push, 0x04c0 + (head->base.index * 0x300), 3);
-			evo_data(push, (asyh->view.oH << 16) | asyh->view.oW);
-			evo_data(push, (asyh->view.oH << 16) | asyh->view.oW);
-			evo_data(push, (asyh->view.oH << 16) | asyh->view.oW);
-		}
+	if ((push = evo_wait(core, 7))) {
+		evo_mthd(push, 0x08a4 + (head->base.index * 0x400), 1);
+		evo_data(push, 0x00000000);
+		evo_mthd(push, 0x08c8 + (head->base.index * 0x400), 1);
+		evo_data(push, asyh->view.iH << 16 | asyh->view.iW);
+		evo_mthd(push, 0x08d8 + (head->base.index * 0x400), 2);
+		evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
+		evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
 		evo_kick(push, core);
 	}
 }
@@ -391,6 +271,7 @@ head507d = {
 	.mode = head507d_mode,
 	.ilut_set = head507d_ilut_set,
 	.ilut_clr = head507d_ilut_clr,
+	.core_calc = head507d_core_calc,
 	.core_set = head507d_core_set,
 	.core_clr = head507d_core_clr,
 	.curs_set = head507d_curs_set,
@@ -399,5 +280,4 @@ head507d = {
 	.ovly = head507d_ovly,
 	.dither = head507d_dither,
 	.procamp = head507d_procamp,
-	.or = head907d_or,
 };
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head827d.c b/drivers/gpu/drm/nouveau/dispnv50/head827d.c
new file mode 100644
index 000000000000..84ce595fbe79
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/head827d.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2018 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 "head.h"
+#include "core.h"
+
+static void
+head827d_curs_clr(struct nv50_head *head)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 4))) {
+		evo_mthd(push, 0x0880 + head->base.index * 0x400, 1);
+		evo_data(push, 0x05000000);
+		evo_mthd(push, 0x089c + head->base.index * 0x400, 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, core);
+	}
+}
+
+static void
+head827d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 5))) {
+		evo_mthd(push, 0x0880 + head->base.index * 0x400, 2);
+		evo_data(push, 0x80000000 | asyh->curs.layout << 26 |
+					    asyh->curs.format << 24);
+		evo_data(push, asyh->curs.offset >> 8);
+		evo_mthd(push, 0x089c + head->base.index * 0x400, 1);
+		evo_data(push, asyh->curs.handle);
+		evo_kick(push, core);
+	}
+}
+
+static void
+head827d_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 9))) {
+		evo_mthd(push, 0x0860 + head->base.index * 0x400, 1);
+		evo_data(push, asyh->core.offset >> 8);
+		evo_mthd(push, 0x0868 + head->base.index * 0x400, 4);
+		evo_data(push, asyh->core.h << 16 | asyh->core.w);
+		evo_data(push, asyh->core.layout << 20 |
+			       (asyh->core.pitch >> 8) << 8 |
+			       asyh->core.block);
+		evo_data(push, asyh->core.format << 8);
+		evo_data(push, asyh->core.handle);
+		evo_mthd(push, 0x08c0 + head->base.index * 0x400, 1);
+		evo_data(push, asyh->core.y << 16 | asyh->core.x);
+		evo_kick(push, core);
+	}
+}
+
+static void
+head827d_ilut_clr(struct nv50_head *head)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 4))) {
+		evo_mthd(push, 0x0840 + (head->base.index * 0x400), 1);
+		evo_data(push, 0x40000000);
+		evo_mthd(push, 0x085c + (head->base.index * 0x400), 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, core);
+	}
+}
+
+static void
+head827d_ilut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 5))) {
+		evo_mthd(push, 0x0840 + (head->base.index * 0x400), 2);
+		evo_data(push, 0x80000000 | asyh->ilut.mode << 30);
+		evo_data(push, asyh->ilut.offset >> 8);
+		evo_mthd(push, 0x085c + (head->base.index * 0x400), 1);
+		evo_data(push, asyh->ilut.handle);
+		evo_kick(push, core);
+	}
+}
+
+const struct nv50_head_func
+head827d = {
+	.view = head507d_view,
+	.mode = head507d_mode,
+	.ilut_set = head827d_ilut_set,
+	.ilut_clr = head827d_ilut_clr,
+	.core_calc = head507d_core_calc,
+	.core_set = head827d_core_set,
+	.core_clr = head507d_core_clr,
+	.curs_set = head827d_curs_set,
+	.curs_clr = head827d_curs_clr,
+	.base = head507d_base,
+	.ovly = head507d_ovly,
+	.dither = head507d_dither,
+	.procamp = head507d_procamp,
+};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head907d.c b/drivers/gpu/drm/nouveau/dispnv50/head907d.c
new file mode 100644
index 000000000000..0035eccd62d6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/head907d.c
@@ -0,0 +1,274 @@
+/*
+ * Copyright 2018 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 "head.h"
+#include "core.h"
+
+void
+head907d_or(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 3))) {
+		evo_mthd(push, 0x0404 + (head->base.index * 0x300), 2);
+		evo_data(push, 0x00000001 | asyh->or.depth  << 6 |
+					    asyh->or.nvsync << 4 |
+					    asyh->or.nhsync << 3);
+		evo_data(push, 0x31ec6000 | head->base.index << 25 |
+					    asyh->mode.interlace);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_procamp(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x0498 + (head->base.index * 0x300), 1);
+		evo_data(push, asyh->procamp.sat.sin << 20 |
+			       asyh->procamp.sat.cos << 8);
+		evo_kick(push, core);
+	}
+}
+
+static void
+head907d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x0490 + (head->base.index * 0x0300), 1);
+		evo_data(push, asyh->dither.mode << 3 |
+			       asyh->dither.bits << 1 |
+			       asyh->dither.enable);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_ovly(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 bounds = 0;
+	u32 *push;
+
+	if (asyh->ovly.cpp) {
+		switch (asyh->ovly.cpp) {
+		case 8: bounds |= 0x00000500; break;
+		case 4: bounds |= 0x00000300; break;
+		case 2: bounds |= 0x00000100; break;
+		default:
+			WARN_ON(1);
+			break;
+		}
+		bounds |= 0x00000001;
+	}
+
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x04d4 + head->base.index * 0x300, 1);
+		evo_data(push, bounds);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_base(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 bounds = 0;
+	u32 *push;
+
+	if (asyh->base.cpp) {
+		switch (asyh->base.cpp) {
+		case 8: bounds |= 0x00000500; break;
+		case 4: bounds |= 0x00000300; break;
+		case 2: bounds |= 0x00000100; break;
+		case 1: bounds |= 0x00000000; break;
+		default:
+			WARN_ON(1);
+			break;
+		}
+		bounds |= 0x00000001;
+	}
+
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x04d0 + head->base.index * 0x300, 1);
+		evo_data(push, bounds);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_curs_clr(struct nv50_head *head)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 4))) {
+		evo_mthd(push, 0x0480 + head->base.index * 0x300, 1);
+		evo_data(push, 0x05000000);
+		evo_mthd(push, 0x048c + head->base.index * 0x300, 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_curs_set(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 5))) {
+		evo_mthd(push, 0x0480 + head->base.index * 0x300, 2);
+		evo_data(push, 0x80000000 | asyh->curs.layout << 26 |
+					    asyh->curs.format << 24);
+		evo_data(push, asyh->curs.offset >> 8);
+		evo_mthd(push, 0x048c + head->base.index * 0x300, 1);
+		evo_data(push, asyh->curs.handle);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_core_clr(struct nv50_head *head)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x0474 + head->base.index * 0x300, 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_core_set(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 9))) {
+		evo_mthd(push, 0x0460 + head->base.index * 0x300, 1);
+		evo_data(push, asyh->core.offset >> 8);
+		evo_mthd(push, 0x0468 + head->base.index * 0x300, 4);
+		evo_data(push, asyh->core.h << 16 | asyh->core.w);
+		evo_data(push, asyh->core.layout << 24 |
+			       (asyh->core.pitch >> 8) << 8 |
+			       asyh->core.block);
+		evo_data(push, asyh->core.format << 8);
+		evo_data(push, asyh->core.handle);
+		evo_mthd(push, 0x04b0 + head->base.index * 0x300, 1);
+		evo_data(push, asyh->core.y << 16 | asyh->core.x);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_ilut_clr(struct nv50_head *head)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 4))) {
+		evo_mthd(push, 0x0440 + (head->base.index * 0x300), 1);
+		evo_data(push, 0x03000000);
+		evo_mthd(push, 0x045c + (head->base.index * 0x300), 1);
+		evo_data(push, 0x00000000);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_ilut_set(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 7))) {
+		evo_mthd(push, 0x0440 + (head->base.index * 0x300), 4);
+		evo_data(push, 0x80000000 | asyh->ilut.mode << 24);
+		evo_data(push, asyh->ilut.offset >> 8);
+		evo_data(push, 0x00000000);
+		evo_data(push, 0x00000000);
+		evo_mthd(push, 0x045c + (head->base.index * 0x300), 1);
+		evo_data(push, asyh->ilut.handle);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	struct nv50_head_mode *m = &asyh->mode;
+	u32 *push;
+	if ((push = evo_wait(core, 14))) {
+		evo_mthd(push, 0x0410 + (head->base.index * 0x300), 6);
+		evo_data(push, 0x00000000);
+		evo_data(push, m->v.active  << 16 | m->h.active );
+		evo_data(push, m->v.synce   << 16 | m->h.synce  );
+		evo_data(push, m->v.blanke  << 16 | m->h.blanke );
+		evo_data(push, m->v.blanks  << 16 | m->h.blanks );
+		evo_data(push, m->v.blank2e << 16 | m->v.blank2s);
+		evo_mthd(push, 0x042c + (head->base.index * 0x300), 2);
+		evo_data(push, 0x00000000); /* ??? */
+		evo_data(push, 0xffffff00);
+		evo_mthd(push, 0x0450 + (head->base.index * 0x300), 3);
+		evo_data(push, m->clock * 1000);
+		evo_data(push, 0x00200000); /* ??? */
+		evo_data(push, m->clock * 1000);
+		evo_kick(push, core);
+	}
+}
+
+void
+head907d_view(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 8))) {
+		evo_mthd(push, 0x0494 + (head->base.index * 0x300), 1);
+		evo_data(push, 0x00000000);
+		evo_mthd(push, 0x04b8 + (head->base.index * 0x300), 1);
+		evo_data(push, asyh->view.iH << 16 | asyh->view.iW);
+		evo_mthd(push, 0x04c0 + (head->base.index * 0x300), 3);
+		evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
+		evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
+		evo_data(push, asyh->view.oH << 16 | asyh->view.oW);
+		evo_kick(push, core);
+	}
+}
+
+const struct nv50_head_func
+head907d = {
+	.view = head907d_view,
+	.mode = head907d_mode,
+	.ilut_set = head907d_ilut_set,
+	.ilut_clr = head907d_ilut_clr,
+	.core_calc = head507d_core_calc,
+	.core_set = head907d_core_set,
+	.core_clr = head907d_core_clr,
+	.curs_set = head907d_curs_set,
+	.curs_clr = head907d_curs_clr,
+	.base = head907d_base,
+	.ovly = head907d_ovly,
+	.dither = head907d_dither,
+	.procamp = head907d_procamp,
+	.or = head907d_or,
+};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/head917d.c b/drivers/gpu/drm/nouveau/dispnv50/head917d.c
new file mode 100644
index 000000000000..5341ea3bc7b6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/head917d.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2018 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 "head.h"
+#include "core.h"
+
+static void
+head917d_dither(struct nv50_head *head, struct nv50_head_atom *asyh)
+{
+	struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
+	u32 *push;
+	if ((push = evo_wait(core, 2))) {
+		evo_mthd(push, 0x04a0 + (head->base.index * 0x0300), 1);
+		evo_data(push, asyh->dither.mode << 3 |
+			       asyh->dither.bits << 1 |
+			       asyh->dither.enable);
+		evo_kick(push, core);
+	}
+}
+
+const struct nv50_head_func
+head917d = {
+	.view = head907d_view,
+	.mode = head907d_mode,
+	.ilut_set = head907d_ilut_set,
+	.ilut_clr = head907d_ilut_clr,
+	.core_calc = head507d_core_calc,
+	.core_set = head907d_core_set,
+	.core_clr = head907d_core_clr,
+	.curs_set = head907d_curs_set,
+	.curs_clr = head907d_curs_clr,
+	.base = head907d_base,
+	.ovly = head907d_ovly,
+	.dither = head917d_dither,
+	.procamp = head907d_procamp,
+	.or = head907d_or,
+};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/pior507d.c b/drivers/gpu/drm/nouveau/dispnv50/pior507d.c
index a99ba6a7216f..d2bac6a341dc 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/pior507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/pior507d.c
@@ -21,23 +21,19 @@
  */
 #include "core.h"
 
-#include <nvif/class.h>
-
 static void
 pior507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
 	      struct nv50_head_atom *asyh)
 {
 	u32 *push;
-	if ((push = evo_wait(&core->chan, 8))) {
-		if (core->chan.base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			if (asyh) {
-				ctrl |= asyh->or.depth  << 16;
-				ctrl |= asyh->or.nvsync << 13;
-				ctrl |= asyh->or.nhsync << 12;
-			}
-			evo_mthd(push, 0x0700 + (or * 0x040), 1);
-			evo_data(push, ctrl);
+	if ((push = evo_wait(&core->chan, 2))) {
+		if (asyh) {
+			ctrl |= asyh->or.depth  << 16;
+			ctrl |= asyh->or.nvsync << 13;
+			ctrl |= asyh->or.nhsync << 12;
 		}
+		evo_mthd(push, 0x0700 + (or * 0x040), 1);
+		evo_data(push, ctrl);
 		evo_kick(push, &core->chan);
 	}
 }
diff --git a/drivers/gpu/drm/nouveau/dispnv50/sor507d.c b/drivers/gpu/drm/nouveau/dispnv50/sor507d.c
index 2d540de27f59..5222fe6a9b21 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/sor507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/sor507d.c
@@ -21,24 +21,18 @@
  */
 #include "core.h"
 
-#include <nvif/class.h>
-
 static void
 sor507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
 	     struct nv50_head_atom *asyh)
 {
 	u32 *push;
-	if ((push = evo_wait(&core->chan, 6))) {
-		if (core->chan.base.user.oclass < GF110_DISP_CORE_CHANNEL_DMA) {
-			if (asyh) {
-				ctrl |= asyh->or.depth  << 16;
-				ctrl |= asyh->or.nvsync << 13;
-				ctrl |= asyh->or.nhsync << 12;
-			}
-			evo_mthd(push, 0x0600 + (or * 0x40), 1);
-		} else {
-			evo_mthd(push, 0x0200 + (or * 0x20), 1);
+	if ((push = evo_wait(&core->chan, 2))) {
+		if (asyh) {
+			ctrl |= asyh->or.depth  << 16;
+			ctrl |= asyh->or.nvsync << 13;
+			ctrl |= asyh->or.nhsync << 12;
 		}
+		evo_mthd(push, 0x0600 + (or * 0x40), 1);
 		evo_data(push, ctrl);
 		evo_kick(push, &core->chan);
 	}
diff --git a/drivers/gpu/drm/nouveau/dispnv50/sor907d.c b/drivers/gpu/drm/nouveau/dispnv50/sor907d.c
new file mode 100644
index 000000000000..b0314ec11fb3
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/dispnv50/sor907d.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2018 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 "core.h"
+
+#include <nvif/class.h>
+
+static void
+sor907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
+	     struct nv50_head_atom *asyh)
+{
+	u32 *push;
+	if ((push = evo_wait(&core->chan, 2))) {
+		evo_mthd(push, 0x0200 + (or * 0x20), 1);
+		evo_data(push, ctrl);
+		evo_kick(push, &core->chan);
+	}
+}
+
+const struct nv50_outp_func
+sor907d = {
+	.ctrl = sor907d_ctrl,
+};