diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2881-drm-amd-display-try-to-find-matching-audio-inst-for-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2881-drm-amd-display-try-to-find-matching-audio-inst-for-.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2881-drm-amd-display-try-to-find-matching-audio-inst-for-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2881-drm-amd-display-try-to-find-matching-audio-inst-for-.patch new file mode 100644 index 00000000..eedc6e9a --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2881-drm-amd-display-try-to-find-matching-audio-inst-for-.patch @@ -0,0 +1,37 @@ +From ca67ccec1b8d7afd5fb4cfd2c5f00d43c0d1f39c Mon Sep 17 00:00:00 2001 +From: Charlene Liu <charlene.liu@amd.com> +Date: Wed, 15 Nov 2017 18:55:57 -0500 +Subject: [PATCH 2881/4131] drm/amd/display: try to find matching audio inst + for enc inst first + +[Description] +in eDP+ HDMI/DP clone or extended configuration, audio inst changed from inst 1 to inst0. +No failure related this though, just playback device endpoint inst changed. +Also remove one addition register read. + +Signed-off-by: Charlene Liu <charlene.liu@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 4 +--- + 1 file changed, 1 insertion(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +index 327a0a7..83bae20 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c ++++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +@@ -87,10 +87,8 @@ static void dce110_update_generic_info_packet( + */ + uint32_t max_retries = 50; + +- REG_GET(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, ®val); + /*we need turn on clock before programming AFMT block*/ +- if (regval != 1) +- REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); ++ REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + + if (REG(AFMT_VBI_PACKET_CONTROL1)) { + if (packet_index >= 8) +-- +2.7.4 + |