diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4349-drm-amd-display-Use-SIGNAL_TYPE_NONE-in-disable_outp.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4349-drm-amd-display-Use-SIGNAL_TYPE_NONE-in-disable_outp.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4349-drm-amd-display-Use-SIGNAL_TYPE_NONE-in-disable_outp.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4349-drm-amd-display-Use-SIGNAL_TYPE_NONE-in-disable_outp.patch new file mode 100644 index 00000000..6bb117e3 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4349-drm-amd-display-Use-SIGNAL_TYPE_NONE-in-disable_outp.patch @@ -0,0 +1,39 @@ +From cd43ff2a1e13dbf27001284939bbe66f75cd5c73 Mon Sep 17 00:00:00 2001 +From: Sung Lee <sung.lee@amd.com> +Date: Wed, 16 Oct 2019 10:24:01 -0400 +Subject: [PATCH 4349/4736] drm/amd/display: Use SIGNAL_TYPE_NONE in + disable_output unless eDP + +[WHY] +Currently made a change where disable_output is called using signal_type. +Using actual signal_type when calilng disable_output in power_down_encoders +would make DP to HDMI dongle not light up on boot. As it would have signal_type +SIGNAL_TYPE_DISPLAY_PORT. + +[HOW] +Set signal_type to SIGNAL_TYPE_NONE unless it is eDP. + +Signed-off-by: Sung Lee <sung.lee@amd.com> +Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com> +Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index 0d171874ef4e..050634926263 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -1435,6 +1435,9 @@ static void power_down_encoders(struct dc *dc) + if (!dc->links[i]->wa_flags.dp_keep_receiver_powered) + dp_receiver_power_ctrl(dc->links[i], false); + ++ if (signal != SIGNAL_TYPE_EDP) ++ signal = SIGNAL_TYPE_NONE; ++ + dc->links[i]->link_enc->funcs->disable_output( + dc->links[i]->link_enc, signal); + } +-- +2.17.1 + |