[PATCH 2/5] drm/nouveau/disp/gm200-: add scdc parameter setter

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild    |  1 +
 .../gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c   | 34 ++++++++++++++++++++++
 drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h     |  2 ++
 .../gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c    |  1 +
 .../gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c    |  1 +
 5 files changed, 39 insertions(+)
 create mode 100644 drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
index 3d485dbf310a..8089ac9a12e2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
@@ -50,6 +50,7 @@ nvkm-y += nvkm/engine/disp/hdmig84.o
 nvkm-y += nvkm/engine/disp/hdmigt215.o
 nvkm-y += nvkm/engine/disp/hdmigf119.o
 nvkm-y += nvkm/engine/disp/hdmigk104.o
+nvkm-y += nvkm/engine/disp/hdmigm200.o
 nvkm-y += nvkm/engine/disp/hdmigv100.o
 
 nvkm-y += nvkm/engine/disp/conn.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c
new file mode 100644
index 000000000000..ad5f658c3f6d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigm200.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2018 Ilia Mirkin
+ *
+ * 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.
+ *
+ * Authors: Ilia Mirkin
+ */
+#include "hdmi.h"
+
+void
+gm200_hdmi_scdc(struct nvkm_ior *ior, int head, u8 scdc)
+{
+	struct nvkm_device *device = ior->disp->engine.subdev.device;
+	const u32 hoff = head * 0x800;
+	const u32 ctrl = scdc & 0x3;
+
+	nvkm_mask(device, 0x61c5bc + hoff, 0x00000003, ctrl);
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
index 57ffadc6a38e..cf640141ad23 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
@@ -144,6 +144,8 @@ void gf119_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 void gk104_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 void gv100_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
 
+void gm200_hdmi_scdc(struct nvkm_ior *, int, u8);
+
 void gt215_hda_hpd(struct nvkm_ior *, int, bool);
 void gt215_hda_eld(struct nvkm_ior *, u8 *, u8);
 
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
index d892bdf04034..384f82652bec 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
@@ -99,6 +99,7 @@ gm200_sor = {
 	.clock = gf119_sor_clock,
 	.hdmi = {
 		.ctrl = gk104_hdmi_ctrl,
+		.scdc = gm200_hdmi_scdc,
 	},
 	.dp = {
 		.lanes = { 0, 1, 2, 3 },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c
index 040db8a338de..8ba881a729ee 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c
@@ -88,6 +88,7 @@ gv100_sor = {
 	.clock = gf119_sor_clock,
 	.hdmi = {
 		.ctrl = gv100_hdmi_ctrl,
+		.scdc = gm200_hdmi_scdc,
 	},
 	.dp = {
 		.lanes = { 0, 1, 2, 3 },
-- 
2.16.4