diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3049-drm-amd-display-Do-not-fill-Null-packet-in-the-blank.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3049-drm-amd-display-Do-not-fill-Null-packet-in-the-blank.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3049-drm-amd-display-Do-not-fill-Null-packet-in-the-blank.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3049-drm-amd-display-Do-not-fill-Null-packet-in-the-blank.patch new file mode 100644 index 00000000..a54837d8 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3049-drm-amd-display-Do-not-fill-Null-packet-in-the-blank.patch @@ -0,0 +1,59 @@ +From fcbf8cb16721bc5abf5f310ce6254aeed981e0f9 Mon Sep 17 00:00:00 2001 +From: Charlene Liu <charlene.liu@amd.com> +Date: Wed, 19 Jun 2019 21:35:35 -0400 +Subject: [PATCH 3049/4256] drm/amd/display: Do not fill Null packet in the + blank period + +[Description] +Do not fill Null packet in the blank period for new packet gen +This is based on HW IP team recommended default setting change. + +Signed-off-by: Charlene Liu <charlene.liu@amd.com> +Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c | 3 ++- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h | 2 ++ + 2 files changed, 4 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +index 64adb9fb300c..a098287d71ae 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c +@@ -511,11 +511,12 @@ void enc1_stream_encoder_hdmi_set_stream_attribute( + enc1_stream_encoder_set_stream_attribute_helper(enc1, crtc_timing); + + /* setup HDMI engine */ +- REG_UPDATE_5(HDMI_CONTROL, ++ REG_UPDATE_6(HDMI_CONTROL, + HDMI_PACKET_GEN_VERSION, 1, + HDMI_KEEPOUT_MODE, 1, + HDMI_DEEP_COLOR_ENABLE, 0, + HDMI_DATA_SCRAMBLE_EN, 0, ++ HDMI_NO_EXTRA_NULL_PACKET_FILLED, 1, + HDMI_CLOCK_CHANNEL_RATE, 0); + + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h +index 075e49c1283a..ab0ead3c3f46 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h +@@ -189,6 +189,7 @@ struct dcn10_stream_enc_registers { + SE_SF(DIG0_HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, mask_sh),\ + SE_SF(DIG0_HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, mask_sh),\ + SE_SF(DIG0_HDMI_CONTROL, HDMI_DATA_SCRAMBLE_EN, mask_sh),\ ++ SE_SF(DIG0_HDMI_CONTROL, HDMI_NO_EXTRA_NULL_PACKET_FILLED, mask_sh),\ + SE_SF(DIG0_HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, mask_sh),\ + SE_SF(DIG0_HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, mask_sh),\ + SE_SF(DIG0_HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, mask_sh),\ +@@ -374,6 +375,7 @@ struct dcn10_stream_enc_registers { + type HDMI_GC_SEND;\ + type HDMI_NULL_SEND;\ + type HDMI_DATA_SCRAMBLE_EN;\ ++ type HDMI_NO_EXTRA_NULL_PACKET_FILLED;\ + type HDMI_AUDIO_INFO_SEND;\ + type AFMT_AUDIO_INFO_UPDATE;\ + type HDMI_AUDIO_INFO_LINE;\ +-- +2.17.1 + |