diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0759-drm-vc4-txp-Don-t-set-TXP_VSTART_AT_EOF.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.15/950-0759-drm-vc4-txp-Don-t-set-TXP_VSTART_AT_EOF.patch | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0759-drm-vc4-txp-Don-t-set-TXP_VSTART_AT_EOF.patch b/target/linux/bcm27xx/patches-5.15/950-0759-drm-vc4-txp-Don-t-set-TXP_VSTART_AT_EOF.patch deleted file mode 100644 index f8544dd039..0000000000 --- a/target/linux/bcm27xx/patches-5.15/950-0759-drm-vc4-txp-Don-t-set-TXP_VSTART_AT_EOF.patch +++ /dev/null @@ -1,31 +0,0 @@ -From b93868be23764905325c200832d58c4f2c0dda7a Mon Sep 17 00:00:00 2001 -From: Maxime Ripard <maxime@cerno.tech> -Date: Fri, 4 Mar 2022 15:55:25 +0100 -Subject: [PATCH] drm/vc4: txp: Don't set TXP_VSTART_AT_EOF - -The TXP_VSTART_AT_EOF will generate a second VSTART signal to the HVS. -However, the HVS waits for VSTART to enable the FIFO and will thus start -filling the FIFO before the start of the frame. - -This leads to corruption at the beginning of the first frame, and -content from the previous frame at the beginning of the next frames. - -Since one VSTART is enough, let's get rid of it. - -Fixes: 008095e065a8 ("drm/vc4: Add support for the transposer block") -Signed-off-by: Maxime Ripard <maxime@cerno.tech> ---- - drivers/gpu/drm/vc4/vc4_txp.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/drivers/gpu/drm/vc4/vc4_txp.c -+++ b/drivers/gpu/drm/vc4/vc4_txp.c -@@ -298,7 +298,7 @@ static void vc4_txp_connector_atomic_com - if (WARN_ON(i == ARRAY_SIZE(drm_fmts))) - return; - -- ctrl = TXP_GO | TXP_VSTART_AT_EOF | TXP_EI | -+ ctrl = TXP_GO | TXP_EI | - VC4_SET_FIELD(0xf, TXP_BYTE_ENABLE) | - VC4_SET_FIELD(txp_fmts[i], TXP_FORMAT); - |