bcm27xx: remove linux 5.10 compatibility
[openwrt/staging/chunkeey.git] / target / linux / bcm27xx / patches-5.10 / 950-0505-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch
diff --git a/target/linux/bcm27xx/patches-5.10/950-0505-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch b/target/linux/bcm27xx/patches-5.10/950-0505-vc4-drm-Avoid-full-hdmi-audio-fifo-writes.patch
deleted file mode 100644 (file)
index 4f89ad5..0000000
+++ /dev/null
@@ -1,32 +0,0 @@
-From d0df79e13ab947367b86d7861e34f85aa6aad020 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
-@@ -1297,10 +1297,10 @@ 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 |