diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5431-drm-amd-display-Stereo-3D-support-in-VSC.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5431-drm-amd-display-Stereo-3D-support-in-VSC.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5431-drm-amd-display-Stereo-3D-support-in-VSC.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5431-drm-amd-display-Stereo-3D-support-in-VSC.patch new file mode 100644 index 00000000..38fa84dc --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5431-drm-amd-display-Stereo-3D-support-in-VSC.patch @@ -0,0 +1,103 @@ +From f18b2e297dc69b3fdc3c4b6a76512b0a584ccc8f Mon Sep 17 00:00:00 2001 +From: Eric Bernstein <eric.bernstein@amd.com> +Date: Mon, 10 Sep 2018 10:11:01 -0400 +Subject: [PATCH 5431/5725] drm/amd/display: Stereo 3D support in VSC + +[Why] +Need to add strere 3D information in VSC + +[How] +Update mod_build_vsc_infopacket with stereo info + +Change-Id: Ie99f9f3259e10dcf37a92192cd08e2a65299cf9d +Signed-off-by: Eric Bernstein <eric.bernstein@amd.com> +Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + .../amd/display/modules/info_packet/info_packet.c | 58 ++++++++++++++++++++-- + 1 file changed, 54 insertions(+), 4 deletions(-) + +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 +index 52378fc..ff8bfb9 100644 +--- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c ++++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c +@@ -48,9 +48,12 @@ static void mod_build_vsc_infopacket(const struct dc_stream_state *stream, + unsigned int i; + unsigned int pixelEncoding = 0; + unsigned int colorimetryFormat = 0; ++ bool stereo3dSupport = false; + +- if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) ++ if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) { + vscPacketRevision = 1; ++ stereo3dSupport = true; ++ } + + /*VSC packet set to 2 when DP revision >= 1.2*/ + if (stream->psr_version != 0) +@@ -94,12 +97,59 @@ static void mod_build_vsc_infopacket(const struct dc_stream_state *stream, + 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; + } + ++ if (stereo3dSupport) { ++ /* ==============================================================================================================| ++ * A. STEREO 3D ++ * ==============================================================================================================| ++ * VSC Payload (1 byte) From DP1.2 spec ++ * ++ * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter) ++ * ----------------------------------------------------------------------------------------------------- ++ * 0 = Non Stereo Video | Must be set to 0x0 ++ * ----------------------------------------------------------------------------------------------------- ++ * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1 ++ * | 0x1: Right when Stereo Signal = 1 ++ * | 0x2: Left when Stereo Signal = 1 ++ * | (others reserved) ++ * ----------------------------------------------------------------------------------------------------- ++ * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom ++ * | (others reserved) ++ * ----------------------------------------------------------------------------------------------------- ++ * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines ++ * | 0x1: horiz interleaved, right view pixels on odd lines ++ * | 0x2: checker board, start with left view pixel ++ * | 0x3: vertical interleaved, start with left view pixels ++ * | 0x4: vertical interleaved, start with right view pixels ++ * | (others reserved) ++ * ----------------------------------------------------------------------------------------------------- ++ * 4 = Side-by-side | 0x0: left half represents left eye view ++ * | 0x1: left half represents right eye view ++ */ ++ switch (stream->timing.timing_3d_format) { ++ case TIMING_3D_FORMAT_HW_FRAME_PACKING: ++ case TIMING_3D_FORMAT_SW_FRAME_PACKING: ++ case TIMING_3D_FORMAT_TOP_AND_BOTTOM: ++ case TIMING_3D_FORMAT_TB_SW_PACKED: ++ info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom. ++ break; ++ case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA: ++ case TIMING_3D_FORMAT_INBAND_FA: ++ info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1 ++ break; ++ case TIMING_3D_FORMAT_SIDE_BY_SIDE: ++ case TIMING_3D_FORMAT_SBS_SW_PACKED: ++ info_packet->sb[0] = 0x04; // Side-by-side ++ break; ++ default: ++ info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0. ++ break; ++ } ++ ++ } ++ + /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. + * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry + * format to the DP Sink device with VSC SDP only when the DP Sink device supports it +-- +2.7.4 + |