diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch b/target/linux/bcm27xx/patches-5.15/950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch deleted file mode 100644 index 4c0e8c2d6c..0000000000 --- a/target/linux/bcm27xx/patches-5.15/950-0432-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch +++ /dev/null @@ -1,32 +0,0 @@ -From bf7f969a35078e4a26ca2beb562593bcbf636afa Mon Sep 17 00:00:00 2001 -From: Dom Cobley <popcornmix@gmail.com> -Date: Sun, 24 Jan 2021 15:44:10 +0000 -Subject: [PATCH] vc4/drm: Avoid full hdmi audio fifo writes - -We are getting occasional VC4_HD_MAI_CTL_ERRORF in -HDMI_MAI_CTL which seem to correspond with audio dropouts. - -Reduce the threshold where we deassert DREQ to avoid the fifo overfilling - -Signed-off-by: Dom Cobley <popcornmix@gmail.com> ---- - drivers/gpu/drm/vc4/vc4_hdmi.c | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - ---- a/drivers/gpu/drm/vc4/vc4_hdmi.c -+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c -@@ -1613,10 +1613,10 @@ static int vc4_hdmi_audio_prepare(struct - - /* Set the MAI threshold */ - HDMI_WRITE(HDMI_MAI_THR, -- VC4_SET_FIELD(0x10, VC4_HD_MAI_THR_PANICHIGH) | -- VC4_SET_FIELD(0x10, VC4_HD_MAI_THR_PANICLOW) | -- VC4_SET_FIELD(0x10, VC4_HD_MAI_THR_DREQHIGH) | -- VC4_SET_FIELD(0x10, VC4_HD_MAI_THR_DREQLOW)); -+ VC4_SET_FIELD(0x08, VC4_HD_MAI_THR_PANICHIGH) | -+ VC4_SET_FIELD(0x08, VC4_HD_MAI_THR_PANICLOW) | -+ VC4_SET_FIELD(0x06, VC4_HD_MAI_THR_DREQHIGH) | -+ VC4_SET_FIELD(0x08, VC4_HD_MAI_THR_DREQLOW)); - - HDMI_WRITE(HDMI_MAI_CONFIG, - VC4_HDMI_MAI_CONFIG_BIT_REVERSE | |