From: Alvin lee <alvin.l...@amd.com>

- program infoframe for Stereo
- program stereo flip control registers properly

v2: Add missing license headers

Signed-off-by: Alvin lee <alvin.l...@amd.com>
Reviewed-by: Tony Cheng <tony.ch...@amd.com>
Acked-by: Harry Wentland <harry.wentl...@amd.com>
---
 drivers/gpu/drm/amd/display/Makefile          |  3 +-
 .../gpu/drm/amd/display/dc/core/dc_resource.c | 57 +++++-------
 drivers/gpu/drm/amd/display/dc/dc_stream.h    |  1 +
 .../gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c | 18 +++-
 .../gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h |  4 +
 .../amd/display/modules/inc/mod_info_packet.h | 40 ++++++++
 .../amd/display/modules/info_packet/Makefile  | 31 +++++++
 .../display/modules/info_packet/info_packet.c | 92 +++++++++++++++++++
 8 files changed, 208 insertions(+), 38 deletions(-)
 create mode 100644 drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
 create mode 100644 drivers/gpu/drm/amd/display/modules/info_packet/Makefile
 create mode 100644 
drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c

diff --git a/drivers/gpu/drm/amd/display/Makefile 
b/drivers/gpu/drm/amd/display/Makefile
index a2c5be493555..c97dc9613325 100644
--- a/drivers/gpu/drm/amd/display/Makefile
+++ b/drivers/gpu/drm/amd/display/Makefile
@@ -31,11 +31,12 @@ subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/dc/inc/hw
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/inc
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/freesync
 subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/color
+subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/info_packet
 
 #TODO: remove when Timing Sync feature is complete
 subdir-ccflags-y += -DBUILD_FEATURE_TIMING_SYNC=0
 
-DAL_LIBS = amdgpu_dm dc        modules/freesync modules/color
+DAL_LIBS = amdgpu_dm dc        modules/freesync modules/color 
modules/info_packet
 
 AMD_DAL = $(addsuffix /Makefile, $(addprefix 
$(FULL_AMD_DISPLAY_PATH)/,$(DAL_LIBS)))
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c 
b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 72f233963748..41562ffa1c62 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1488,6 +1488,20 @@ static bool is_hdr_static_meta_changed(struct 
dc_stream_state *cur_stream,
        return false;
 }
 
+static bool is_vsc_info_packet_changed(struct dc_stream_state *cur_stream,
+               struct dc_stream_state *new_stream)
+{
+       if (cur_stream == NULL)
+               return true;
+
+       if (memcmp(&cur_stream->vsc_infopacket,
+                       &new_stream->vsc_infopacket,
+                       sizeof(struct dc_info_packet)) != 0)
+               return true;
+
+       return false;
+}
+
 static bool is_timing_changed(struct dc_stream_state *cur_stream,
                struct dc_stream_state *new_stream)
 {
@@ -1528,6 +1542,9 @@ static bool are_stream_backends_same(
        if (stream_a->dpms_off != stream_b->dpms_off)
                return false;
 
+       if (is_vsc_info_packet_changed(stream_a, stream_b))
+               return false;
+
        return true;
 }
 
@@ -2414,43 +2431,10 @@ static void set_vsc_info_packet(
                struct dc_info_packet *info_packet,
                struct dc_stream_state *stream)
 {
-       unsigned int vscPacketRevision = 0;
-       unsigned int i;
-
-       /*VSC packet set to 2 when DP revision >= 1.2*/
-       if (stream->psr_version != 0) {
-               vscPacketRevision = 2;
-       }
-
-       /* VSC packet not needed based on the features
-        * supported by this DP display
-        */
-       if (vscPacketRevision == 0)
+       if (!stream->vsc_infopacket.valid)
                return;
 
-       if (vscPacketRevision == 0x2) {
-               /* Secondary-data Packet ID = 0*/
-               info_packet->hb0 = 0x00;
-               /* 07h - Packet Type Value indicating Video
-                * Stream Configuration packet
-                */
-               info_packet->hb1 = 0x07;
-               /* 02h = VSC SDP supporting 3D stereo and PSR
-                * (applies to eDP v1.3 or higher).
-                */
-               info_packet->hb2 = 0x02;
-               /* 08h = VSC packet supporting 3D stereo + PSR
-                * (HB2 = 02h).
-                */
-               info_packet->hb3 = 0x08;
-
-               for (i = 0; i < 28; i++)
-                       info_packet->sb[i] = 0;
-
-               info_packet->valid = true;
-       }
-
-       /*TODO: stereo 3D support and extend pixel encoding colorimetry*/
+       *info_packet = stream->vsc_infopacket;
 }
 
 void dc_resource_state_destruct(struct dc_state *context)
@@ -2632,6 +2616,9 @@ bool pipe_need_reprogram(
        if (pipe_ctx_old->stream->dpms_off != pipe_ctx->stream->dpms_off)
                return true;
 
+       if (is_vsc_info_packet_changed(pipe_ctx_old->stream, pipe_ctx->stream))
+               return true;
+
        return false;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h 
b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 584c56b94937..bc496906b695 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -55,6 +55,7 @@ struct dc_stream_state {
        struct dc_crtc_timing timing;
        struct dc_crtc_timing_adjust adjust;
        struct dc_info_packet vrr_infopacket;
+       struct dc_info_packet vsc_infopacket;
 
        struct rect src; /* composition area */
        struct rect dst; /* stream addressable area */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
index 93f52c58bc69..8b124948c3d0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
@@ -302,10 +302,24 @@ bool hubp1_program_surface_flip_and_addr(
 {
        struct dcn10_hubp *hubp1 = TO_DCN10_HUBP(hubp);
 
-       /* program flip type */
-       REG_SET(DCSURF_FLIP_CONTROL, 0,
+
+       //program flip type
+       REG_UPDATE(DCSURF_FLIP_CONTROL,
                        SURFACE_FLIP_TYPE, flip_immediate);
 
+
+       if (address->type == PLN_ADDR_TYPE_GRPH_STEREO) {
+               REG_UPDATE(DCSURF_FLIP_CONTROL, 
SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x1);
+               REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 
0x1);
+
+       } else {
+               // turn off stereo if not in stereo
+               REG_UPDATE(DCSURF_FLIP_CONTROL, 
SURFACE_FLIP_MODE_FOR_STEREOSYNC, 0x0);
+               REG_UPDATE(DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 
0x0);
+       }
+
+
+
        /* HW automatically latch rest of address register on write to
         * DCSURF_PRIMARY_SURFACE_ADDRESS if SURFACE_UPDATE_LOCK is not used
         *
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h 
b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
index d901d5092969..e2f5238b8c11 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.h
@@ -272,6 +272,8 @@
        HUBP_SF(HUBP0_DCSURF_SURFACE_CONFIG, H_MIRROR_EN, mask_sh),\
        HUBP_SF(HUBP0_DCSURF_SURFACE_CONFIG, SURFACE_PIXEL_FORMAT, mask_sh),\
        HUBP_SF(HUBPREQ0_DCSURF_FLIP_CONTROL, SURFACE_FLIP_TYPE, mask_sh),\
+       HUBP_SF(HUBPREQ0_DCSURF_FLIP_CONTROL, SURFACE_FLIP_MODE_FOR_STEREOSYNC, 
mask_sh),\
+       HUBP_SF(HUBPREQ0_DCSURF_FLIP_CONTROL, SURFACE_FLIP_IN_STEREOSYNC, 
mask_sh),\
        HUBP_SF(HUBPREQ0_DCSURF_FLIP_CONTROL, SURFACE_FLIP_PENDING, mask_sh),\
        HUBP_SF(HUBPREQ0_DCSURF_FLIP_CONTROL, SURFACE_UPDATE_LOCK, mask_sh),\
        HUBP_SF(HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH, 
mask_sh),\
@@ -451,6 +453,8 @@
        type H_MIRROR_EN;\
        type SURFACE_PIXEL_FORMAT;\
        type SURFACE_FLIP_TYPE;\
+       type SURFACE_FLIP_MODE_FOR_STEREOSYNC;\
+       type SURFACE_FLIP_IN_STEREOSYNC;\
        type SURFACE_UPDATE_LOCK;\
        type SURFACE_FLIP_PENDING;\
        type PRI_VIEWPORT_WIDTH; \
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h 
b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
new file mode 100644
index 000000000000..786b34380f85
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_info_packet.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef MOD_INFO_PACKET_H_
+#define MOD_INFO_PACKET_H_
+
+struct info_packet_inputs {
+       const struct dc_stream_state *pStream;
+};
+
+struct info_packets {
+       struct dc_info_packet *pVscInfoPacket;
+};
+
+void mod_build_infopackets(struct info_packet_inputs *inputs,
+               struct info_packets *info_packets);
+
+#endif
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/Makefile 
b/drivers/gpu/drm/amd/display/modules/info_packet/Makefile
new file mode 100644
index 000000000000..4c382d728536
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/Makefile
@@ -0,0 +1,31 @@
+#
+# Copyright 2017 Advanced Micro Devices, 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.
+#
+#
+# Makefile for the 'info_packet' sub-module of DAL.
+#
+
+INFO_PACKET = info_packet.o
+
+AMD_DAL_INFO_PACKET = $(addprefix 
$(AMDDALPATH)/modules/info_packet/,$(INFO_PACKET))
+#$(info ************  DAL INFO_PACKET MODULE MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_INFO_PACKET)
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c 
b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
new file mode 100644
index 000000000000..24b6cc1dfc64
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2018 Advanced Micro Devices, 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "mod_info_packet.h"
+#include "core_types.h"
+
+static void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
+               struct dc_info_packet *info_packet)
+{
+       unsigned int vscPacketRevision = 0;
+       unsigned int i;
+
+       if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && 
stream->view_format != VIEW_3D_FORMAT_NONE)
+               vscPacketRevision = 1;
+
+
+       /*VSC packet set to 2 when DP revision >= 1.2*/
+       if (stream->psr_version != 0)
+               vscPacketRevision = 2;
+
+
+       /* VSC packet not needed based on the features
+        * supported by this DP display
+        */
+       if (vscPacketRevision == 0)
+               return;
+
+       if (vscPacketRevision == 0x2) {
+               /* Secondary-data Packet ID = 0*/
+               info_packet->hb0 = 0x00;
+               /* 07h - Packet Type Value indicating Video
+                * Stream Configuration packet
+                */
+               info_packet->hb1 = 0x07;
+               /* 02h = VSC SDP supporting 3D stereo and PSR
+                * (applies to eDP v1.3 or higher).
+                */
+               info_packet->hb2 = 0x02;
+               /* 08h = VSC packet supporting 3D stereo + PSR
+                * (HB2 = 02h).
+                */
+               info_packet->hb3 = 0x08;
+
+               for (i = 0; i < 28; i++)
+                       info_packet->sb[i] = 0;
+
+               info_packet->valid = true;
+       }
+
+       if (vscPacketRevision == 0x1) {
+
+               info_packet->hb0 = 0x00;        // Secondary-data Packet ID = 0
+               info_packet->hb1 = 0x07;        // 07h = Packet Type Value 
indicating Video Stream Configuration packet
+               info_packet->hb2 = 0x01;        // 01h = Revision number. VSC 
SDP supporting 3D stereo only
+               info_packet->hb3 = 0x01;        // 01h = VSC SDP supporting 3D 
stereo only (HB2 = 01h).
+
+               if (stream->timing.timing_3d_format == 
TIMING_3D_FORMAT_INBAND_FA)
+                       info_packet->sb[0] = 0x1;
+
+               info_packet->valid = true;
+       }
+}
+
+void mod_build_infopackets(struct info_packet_inputs *inputs,
+               struct info_packets *info_packets)
+{
+       if (info_packets->pVscInfoPacket != NULL)
+               mod_build_vsc_infopacket(inputs->pStream, 
info_packets->pVscInfoPacket);
+}
+
-- 
2.17.1

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