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drm/amd/display: Do not fill Null packet in the blank period

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[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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2019-06-19 21:35:35 -04:00 • committed by Alex Deucher
parent 5a42dc2be0
commit 03f3e40c8b
2 changed files with 4 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
View file

@ -512,11 +512,12 @@ 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);

2
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h
View file

@ -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;\