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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0645-drm-amd-display-Implement-logic-for-hdmi-info-packet.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/0645-drm-amd-display-Implement-logic-for-hdmi-info-packet.patch168
1 files changed, 168 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0645-drm-amd-display-Implement-logic-for-hdmi-info-packet.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0645-drm-amd-display-Implement-logic-for-hdmi-info-packet.patch
new file mode 100644
index 00000000..6cd20f6a
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0645-drm-amd-display-Implement-logic-for-hdmi-info-packet.patch
@@ -0,0 +1,168 @@
+From 8c50526a8160e3dcb6b06166d5fe0b8df68736d2 Mon Sep 17 00:00:00 2001
+From: Zeyu Fan <Zeyu.Fan@amd.com>
+Date: Thu, 20 Jul 2017 19:04:56 -0400
+Subject: [PATCH 0645/4131] drm/amd/display: Implement logic for hdmi info
+ packet bits.
+
+Signed-off-by: Zeyu Fan <Zeyu.Fan@amd.com>
+Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
+Acked-by: Harry Wentland <Harry.Wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 68 +++++++++++++++++++----
+ drivers/gpu/drm/amd/display/dc/dc_types.h | 25 +++++++++
+ 2 files changed, 83 insertions(+), 10 deletions(-)
+
+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 d196d0d..7437c3d 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+@@ -1603,10 +1603,13 @@ static void set_avi_info_frame(
+ enum scanning_type scan_type = SCANNING_TYPE_NODATA;
+ enum dc_aspect_ratio aspect = ASPECT_RATIO_NO_DATA;
+ bool itc = false;
++ uint8_t itc_value = 0;
+ uint8_t cn0_cn1 = 0;
++ unsigned int cn0_cn1_value = 0;
+ uint8_t *check_sum = NULL;
+ uint8_t byte_index = 0;
+ union hdmi_info_packet *hdmi_info = &info_frame.avi_info_packet.info_packet_hdmi;
++ union display_content_support support = {0};
+ unsigned int vic = pipe_ctx->stream->public.timing.vic;
+ enum dc_timing_3d_format format;
+
+@@ -1703,26 +1706,71 @@ static void set_avi_info_frame(
+ hdmi_info->bits.R0_R3 = ACTIVE_FORMAT_ASPECT_RATIO_SAME_AS_PICTURE;
+
+ /* TODO: un-hardcode cn0_cn1 and itc */
++
+ cn0_cn1 = 0;
+- itc = false;
++ cn0_cn1_value = 0;
++
++ itc = true;
++ itc_value = 1;
++
++ support = stream->public.sink->edid_caps.content_support;
+
+ if (itc) {
+- hdmi_info->bits.ITC = 1;
+- hdmi_info->bits.CN0_CN1 = cn0_cn1;
++ if (!support.bits.valid_content_type) {
++ cn0_cn1_value = 0;
++ } else {
++ if (cn0_cn1 == DISPLAY_CONTENT_TYPE_GRAPHICS) {
++ if (support.bits.graphics_content == 1) {
++ cn0_cn1_value = 0;
++ }
++ } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_PHOTO) {
++ if (support.bits.photo_content == 1) {
++ cn0_cn1_value = 1;
++ } else {
++ cn0_cn1_value = 0;
++ itc_value = 0;
++ }
++ } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_CINEMA) {
++ if (support.bits.cinema_content == 1) {
++ cn0_cn1_value = 2;
++ } else {
++ cn0_cn1_value = 0;
++ itc_value = 0;
++ }
++ } else if (cn0_cn1 == DISPLAY_CONTENT_TYPE_GAME) {
++ if (support.bits.game_content == 1) {
++ cn0_cn1_value = 3;
++ } else {
++ cn0_cn1_value = 0;
++ itc_value = 0;
++ }
++ }
++ }
++ hdmi_info->bits.CN0_CN1 = cn0_cn1_value;
++ hdmi_info->bits.ITC = itc_value;
+ }
+
+ /* TODO : We should handle YCC quantization */
+ /* but we do not have matrix calculation */
+- if (color_space == COLOR_SPACE_SRGB) {
+- hdmi_info->bits.Q0_Q1 = RGB_QUANTIZATION_FULL_RANGE;
+- hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_FULL_RANGE;
+- } else if (color_space == COLOR_SPACE_SRGB_LIMITED) {
+- hdmi_info->bits.Q0_Q1 = RGB_QUANTIZATION_LIMITED_RANGE;
+- hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
++ if (stream->public.sink->edid_caps.qs_bit == 1 &&
++ stream->public.sink->edid_caps.qy_bit == 1) {
++ if (color_space == COLOR_SPACE_SRGB ||
++ color_space == COLOR_SPACE_2020_RGB_FULLRANGE) {
++ hdmi_info->bits.Q0_Q1 = RGB_QUANTIZATION_FULL_RANGE;
++ hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_FULL_RANGE;
++ } else if (color_space == COLOR_SPACE_SRGB_LIMITED ||
++ color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE) {
++ hdmi_info->bits.Q0_Q1 = RGB_QUANTIZATION_LIMITED_RANGE;
++ hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
++ } else {
++ hdmi_info->bits.Q0_Q1 = RGB_QUANTIZATION_DEFAULT_RANGE;
++ hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
++ }
+ } else {
+ hdmi_info->bits.Q0_Q1 = RGB_QUANTIZATION_DEFAULT_RANGE;
+- hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
++ hdmi_info->bits.YQ0_YQ1 = YYC_QUANTIZATION_LIMITED_RANGE;
+ }
++
+ ///VIC
+ format = stream->public.timing.timing_3d_format;
+ /*todo, add 3DStereo support*/
+diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
+index 9662f2c..c7539fe 100644
+--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
++++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
+@@ -177,6 +177,18 @@ struct dc_edid {
+
+ #define AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS 20
+
++union display_content_support {
++ unsigned int raw;
++ struct {
++ unsigned int valid_content_type :1;
++ unsigned int game_content :1;
++ unsigned int cinema_content :1;
++ unsigned int photo_content :1;
++ unsigned int graphics_content :1;
++ unsigned int reserved :27;
++ } bits;
++};
++
+ struct dc_edid_caps {
+ /* sink identification */
+ uint16_t manufacturer_id;
+@@ -193,6 +205,11 @@ struct dc_edid_caps {
+ uint32_t audio_latency;
+ uint32_t video_latency;
+
++ union display_content_support content_support;
++
++ uint8_t qs_bit;
++ uint8_t qy_bit;
++
+ /*HDMI 2.0 caps*/
+ bool lte_340mcsc_scramble;
+
+@@ -384,6 +401,14 @@ enum scaling_transformation {
+ SCALING_TRANSFORMATION_PRESERVE_ASPECT_RATIO_SCALE
+ };
+
++enum display_content_type {
++ DISPLAY_CONTENT_TYPE_NO_DATA = 0,
++ DISPLAY_CONTENT_TYPE_GRAPHICS = 1,
++ DISPLAY_CONTENT_TYPE_PHOTO = 2,
++ DISPLAY_CONTENT_TYPE_CINEMA = 4,
++ DISPLAY_CONTENT_TYPE_GAME = 8
++};
++
+ /* audio*/
+
+ union audio_sample_rates {
+--
+2.7.4
+