aboutsummaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorCharlene Liu <charlene.liu@amd.com>2019-06-19 21:35:35 -0400
committerAlex Deucher <alexander.deucher@amd.com>2019-07-18 14:18:10 -0500
commit03f3e40c8b5c227e1435bee0afa2cbc657c15cf4 (patch)
tree03e5ac671d8e3ce54c6523777de166efda95fe61 /drivers
parentdrm/amd/display: fix DMCU hang when going into Modern Standby (diff)
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> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.h2
2 files changed, 4 insertions, 1 deletions
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 128e040b7848..89e6a4c34018 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
@@ -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);
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;\