diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5056-drm-amd-display-Pass-connector-id-when-executing-VBI.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5056-drm-amd-display-Pass-connector-id-when-executing-VBI.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5056-drm-amd-display-Pass-connector-id-when-executing-VBI.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5056-drm-amd-display-Pass-connector-id-when-executing-VBI.patch new file mode 100644 index 00000000..ebb89248 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5056-drm-amd-display-Pass-connector-id-when-executing-VBI.patch @@ -0,0 +1,48 @@ +From 78c3a0056209da78bee2eaf47d8d29081174bb67 Mon Sep 17 00:00:00 2001 +From: Mikita Lipski <mikita.lipski@amd.com> +Date: Tue, 17 Jul 2018 10:52:19 -0400 +Subject: [PATCH 5056/5725] drm/amd/display: Pass connector id when executing + VBIOS CT + +[why] +Older ASICs require both phys_id and connector_id +to execute bios command table. If we are not passing the +right connector_id - it can lead to a black screen. + +[how] +Set connector_obj_id when executing vbios command table + +Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> +Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +Cc: stable@vger.kernel.org +--- + drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +index 752b3d6..eff7d22 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c ++++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +@@ -930,7 +930,7 @@ void dce110_link_encoder_enable_tmds_output( + enum bp_result result; + + /* Enable the PHY */ +- ++ cntl.connector_obj_id = enc110->base.connector; + cntl.action = TRANSMITTER_CONTROL_ENABLE; + cntl.engine_id = enc->preferred_engine; + cntl.transmitter = enc110->base.transmitter; +@@ -972,7 +972,7 @@ void dce110_link_encoder_enable_dp_output( + * We need to set number of lanes manually. + */ + configure_encoder(enc110, link_settings); +- ++ cntl.connector_obj_id = enc110->base.connector; + cntl.action = TRANSMITTER_CONTROL_ENABLE; + cntl.engine_id = enc->preferred_engine; + cntl.transmitter = enc110->base.transmitter; +-- +2.7.4 + |