diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4214-drm-amd-display-HDMI-has-no-sound-after-Panel-power-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4214-drm-amd-display-HDMI-has-no-sound-after-Panel-power-.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4214-drm-amd-display-HDMI-has-no-sound-after-Panel-power-.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4214-drm-amd-display-HDMI-has-no-sound-after-Panel-power-.patch new file mode 100644 index 00000000..0ed7099d --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4214-drm-amd-display-HDMI-has-no-sound-after-Panel-power-.patch @@ -0,0 +1,30 @@ +From 8551dbb39be200f208d8bdab2e9a273830d05e12 Mon Sep 17 00:00:00 2001 +From: Charlene Liu <charlene.liu@amd.com> +Date: Fri, 6 Apr 2018 23:03:12 -0400 +Subject: [PATCH 4214/5725] drm/amd/display: HDMI has no sound after Panel + power off/on + +Signed-off-by: Charlene Liu <charlene.liu@amd.com> +Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +Cc: stable@vger.kernel.org +--- + drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c | 2 ++ + 1 file changed, 2 insertions(+) + +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 07c3242..84e26c8 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 +@@ -718,6 +718,8 @@ static void dce110_stream_encoder_update_hdmi_info_packets( + if (info_frame->avi.valid) { + const uint32_t *content = + (const uint32_t *) &info_frame->avi.sb[0]; ++ /*we need turn on clock before programming AFMT block*/ ++ REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); + + REG_WRITE(AFMT_AVI_INFO0, content[0]); + +-- +2.7.4 + |