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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0324-drm-amd-display-Add-DP-YCbCr-4-2-0-support.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0324-drm-amd-display-Add-DP-YCbCr-4-2-0-support.patch243
1 files changed, 243 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0324-drm-amd-display-Add-DP-YCbCr-4-2-0-support.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0324-drm-amd-display-Add-DP-YCbCr-4-2-0-support.patch
new file mode 100644
index 00000000..1b8f5799
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0324-drm-amd-display-Add-DP-YCbCr-4-2-0-support.patch
@@ -0,0 +1,243 @@
+From c7cdf865901b7df38b2afe83a12ec362bf3fdec0 Mon Sep 17 00:00:00 2001
+From: Eric Bernstein <eric.bernstein@amd.com>
+Date: Thu, 24 May 2018 15:50:27 -0400
+Subject: [PATCH 0324/2940] drm/amd/display: Add DP YCbCr 4:2:0 support
+
+[Why]
+For supporting DP YCbCr 4:2:0 output.
+
+[How]
+Update mod_build_vsc_infopacket to support Pixel
+Encoding/Colorimetry Format indication for VSC SDP rev5.
+
+Change-Id: Id6035c6a954bc698e379fe43cc8079e29d7dd765
+Signed-off-by: Eric Bernstein <eric.bernstein@amd.com>
+Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
+Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+---
+ .../display/modules/info_packet/info_packet.c | 189 +++++++++++++++++-
+ 1 file changed, 188 insertions(+), 1 deletion(-)
+
+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 24b6cc1dfc64..52378fc69079 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
+@@ -26,20 +26,38 @@
+ #include "mod_info_packet.h"
+ #include "core_types.h"
+
++enum ColorimetryRGBDP {
++ ColorimetryRGB_DP_sRGB = 0,
++ ColorimetryRGB_DP_AdobeRGB = 3,
++ ColorimetryRGB_DP_P3 = 4,
++ ColorimetryRGB_DP_CustomColorProfile = 5,
++ ColorimetryRGB_DP_ITU_R_BT2020RGB = 6,
++};
++enum ColorimetryYCCDP {
++ ColorimetryYCC_DP_ITU601 = 0,
++ ColorimetryYCC_DP_ITU709 = 1,
++ ColorimetryYCC_DP_AdobeYCC = 5,
++ ColorimetryYCC_DP_ITU2020YCC = 6,
++ ColorimetryYCC_DP_ITU2020YCbCr = 7,
++};
++
+ 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;
++ unsigned int pixelEncoding = 0;
++ unsigned int colorimetryFormat = 0;
+
+ 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;
+
++ if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
++ vscPacketRevision = 5;
+
+ /* VSC packet not needed based on the features
+ * supported by this DP display
+@@ -81,6 +99,175 @@ static void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
+
+ info_packet->valid = true;
+ }
++
++ /* 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
++ * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST
++ * register (DPCD Address 02210h, bit 3) is set to 1).
++ * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This
++ * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4
++ * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate
++ * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and
++ * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become “don’t care”).)
++ */
++ if (vscPacketRevision == 0x5) {
++ /* Secondary-data Packet ID = 0 */
++ info_packet->hb0 = 0x00;
++ /* 07h - Packet Type Value indicating Video Stream Configuration packet */
++ info_packet->hb1 = 0x07;
++ /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */
++ info_packet->hb2 = 0x05;
++ /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */
++ info_packet->hb3 = 0x13;
++
++ info_packet->valid = true;
++
++ /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs
++ * Data Bytes DB 18~16
++ * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding)
++ * ----------------------------------------------------------------------------------------------------
++ * 0x0 = sRGB | 0 = RGB
++ * 0x1 = RGB Wide Gamut Fixed Point
++ * 0x2 = RGB Wide Gamut Floating Point
++ * 0x3 = AdobeRGB
++ * 0x4 = DCI-P3
++ * 0x5 = CustomColorProfile
++ * (others reserved)
++ * ----------------------------------------------------------------------------------------------------
++ * 0x0 = ITU-R BT.601 | 1 = YCbCr444
++ * 0x1 = ITU-R BT.709
++ * 0x2 = xvYCC601
++ * 0x3 = xvYCC709
++ * 0x4 = sYCC601
++ * 0x5 = AdobeYCC601
++ * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
++ * 0x7 = ITU-R BT.2020 Y'C'bC'r
++ * (others reserved)
++ * ----------------------------------------------------------------------------------------------------
++ * 0x0 = ITU-R BT.601 | 2 = YCbCr422
++ * 0x1 = ITU-R BT.709
++ * 0x2 = xvYCC601
++ * 0x3 = xvYCC709
++ * 0x4 = sYCC601
++ * 0x5 = AdobeYCC601
++ * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
++ * 0x7 = ITU-R BT.2020 Y'C'bC'r
++ * (others reserved)
++ * ----------------------------------------------------------------------------------------------------
++ * 0x0 = ITU-R BT.601 | 3 = YCbCr420
++ * 0x1 = ITU-R BT.709
++ * 0x2 = xvYCC601
++ * 0x3 = xvYCC709
++ * 0x4 = sYCC601
++ * 0x5 = AdobeYCC601
++ * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
++ * 0x7 = ITU-R BT.2020 Y'C'bC'r
++ * (others reserved)
++ * ----------------------------------------------------------------------------------------------------
++ * 0x0 =DICOM Part14 Grayscale | 4 = Yonly
++ * Display Function
++ * (others reserved)
++ */
++
++ /* Set Pixel Encoding */
++ switch (stream->timing.pixel_encoding) {
++ case PIXEL_ENCODING_RGB:
++ pixelEncoding = 0x0; /* RGB = 0h */
++ break;
++ case PIXEL_ENCODING_YCBCR444:
++ pixelEncoding = 0x1; /* YCbCr444 = 1h */
++ break;
++ case PIXEL_ENCODING_YCBCR422:
++ pixelEncoding = 0x2; /* YCbCr422 = 2h */
++ break;
++ case PIXEL_ENCODING_YCBCR420:
++ pixelEncoding = 0x3; /* YCbCr420 = 3h */
++ break;
++ default:
++ pixelEncoding = 0x0; /* default RGB = 0h */
++ break;
++ }
++
++ /* Set Colorimetry format based on pixel encoding */
++ switch (stream->timing.pixel_encoding) {
++ case PIXEL_ENCODING_RGB:
++ if ((stream->output_color_space == COLOR_SPACE_SRGB) ||
++ (stream->output_color_space == COLOR_SPACE_SRGB_LIMITED))
++ colorimetryFormat = ColorimetryRGB_DP_sRGB;
++ else if (stream->output_color_space == COLOR_SPACE_ADOBERGB)
++ colorimetryFormat = ColorimetryRGB_DP_AdobeRGB;
++ else if ((stream->output_color_space == COLOR_SPACE_2020_RGB_FULLRANGE) ||
++ (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE))
++ colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB;
++ break;
++
++ case PIXEL_ENCODING_YCBCR444:
++ case PIXEL_ENCODING_YCBCR422:
++ case PIXEL_ENCODING_YCBCR420:
++ /* Note: xvYCC probably not supported correctly here on DP since colorspace translation
++ * loses distinction between BT601 vs xvYCC601 in translation
++ */
++ if (stream->output_color_space == COLOR_SPACE_YCBCR601)
++ colorimetryFormat = ColorimetryYCC_DP_ITU601;
++ else if (stream->output_color_space == COLOR_SPACE_YCBCR709)
++ colorimetryFormat = ColorimetryYCC_DP_ITU709;
++ else if (stream->output_color_space == COLOR_SPACE_ADOBERGB)
++ colorimetryFormat = ColorimetryYCC_DP_AdobeYCC;
++ else if (stream->output_color_space == COLOR_SPACE_2020_YCBCR)
++ colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr;
++ break;
++
++ default:
++ colorimetryFormat = ColorimetryRGB_DP_sRGB;
++ break;
++ }
++
++ info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat;
++
++ /* Set color depth */
++ switch (stream->timing.display_color_depth) {
++ case COLOR_DEPTH_666:
++ /* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc
++ * as of DP1.4 spec, but value of 0 probably reserved here for potential future use.
++ */
++ info_packet->sb[17] = 0;
++ break;
++ case COLOR_DEPTH_888:
++ info_packet->sb[17] = 1;
++ break;
++ case COLOR_DEPTH_101010:
++ info_packet->sb[17] = 2;
++ break;
++ case COLOR_DEPTH_121212:
++ info_packet->sb[17] = 3;
++ break;
++ /*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */
++ case COLOR_DEPTH_161616:
++ info_packet->sb[17] = 4;
++ break;
++ default:
++ info_packet->sb[17] = 0;
++ break;
++ }
++
++ /* all YCbCr are always limited range */
++ if ((stream->output_color_space == COLOR_SPACE_SRGB_LIMITED) ||
++ (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE) ||
++ (pixelEncoding != 0x0)) {
++ info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */
++ }
++
++ /* Content Type (Bits 2:0)
++ * 0 = Not defined.
++ * 1 = Graphics.
++ * 2 = Photo.
++ * 3 = Video.
++ * 4 = Game.
++ */
++ info_packet->sb[18] = 0;
++ }
++
+ }
+
+ void mod_build_infopackets(struct info_packet_inputs *inputs,
+--
+2.17.1
+
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-20 04:54:29 +0000