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-rw-r--r--meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4045-drm-amd-display-Correct-values-in-AVI-infoframe.patch53
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4045-drm-amd-display-Correct-values-in-AVI-infoframe.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4045-drm-amd-display-Correct-values-in-AVI-infoframe.patch
new file mode 100644
index 00000000..0ea95d82
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4045-drm-amd-display-Correct-values-in-AVI-infoframe.patch
@@ -0,0 +1,53 @@
+From cf4a4331984c2a3aa543d5c7f6cb24b6c5c0471e Mon Sep 17 00:00:00 2001
+From: Wayne Lin <Wayne.Lin@amd.com>
+Date: Wed, 4 Sep 2019 06:12:22 +0800
+Subject: [PATCH 4045/4256] drm/amd/display: Correct values in AVI infoframe
+
+[Why]
+While displaying 4k modes defined in HDMI1.4b, should set VIC to 0
+and use VSP HDMI_VIC to indicate the mode.
+
+[How]
+Use functions defined in drm to set up the VIC correspondingly.
+
+Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
+Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
+Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
+---
+ drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 13 +++++++++++++
+ 1 file changed, 13 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+index 8976321d1bcd..3be135654d00 100644
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+@@ -3449,6 +3449,8 @@ static void fill_stream_properties_from_drm_display_mode(
+ struct dc_crtc_timing *timing_out = &stream->timing;
+ const struct drm_display_info *info = &connector->display_info;
+ struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
++ struct hdmi_vendor_infoframe hv_frame;
++ struct hdmi_avi_infoframe avi_frame;
+ memset(timing_out, 0, sizeof(struct dc_crtc_timing));
+
+ timing_out->h_border_left = 0;
+@@ -3486,6 +3488,17 @@ static void fill_stream_properties_from_drm_display_mode(
+ timing_out->flags.VSYNC_POSITIVE_POLARITY = 1;
+ }
+
++ if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
++#if defined(HAVE_2ARGS_DRM_HDMI_AVI_INFOFRAME_FROM_DISPLAY_MODE)
++ drm_hdmi_avi_infoframe_from_display_mode(&avi_frame, mode_in);
++#else
++ drm_hdmi_avi_infoframe_from_display_mode(&avi_frame, mode_in, false);
++#endif
++ timing_out->vic = avi_frame.video_code;
++ drm_hdmi_vendor_infoframe_from_display_mode(&hv_frame, (struct drm_connector *)connector, mode_in);
++ timing_out->hdmi_vic = hv_frame.vic;
++ }
++
+ timing_out->h_addressable = mode_in->crtc_hdisplay;
+ timing_out->h_total = mode_in->crtc_htotal;
+ timing_out->h_sync_width =
+--
+2.17.1
+