openwrt/target/linux/bcm27xx/patches-6.1/950-1068-drm-vc4-Drop-WARN-for-HVS-FIFOs-not-being-empty.patch
Marty Jones 2e715fb4fc bcm27xx: update 6.1 patches to latest version
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y

Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-01-25 17:46:45 +01:00

31 lines
960 B
Diff

From 31c4c359aa2dbb1a7c095f0a6ef4e13cd46cfd14 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 26 Oct 2023 18:05:09 +0100
Subject: [PATCH] drm/vc4: Drop WARN for HVS FIFOs not being empty
The reset condition for the EMPTY flag in DISPSTATx is 0,
so seeing as we've just reset the pipeline there is no
guarantee that the flag will denote empty if it hasn't been
enabled.
Drop the WARN.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_hvs.c | 4 ----
1 file changed, 4 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -1005,10 +1005,6 @@ static void __vc4_hvs_stop_channel(struc
SCALER_DISPSTATX_MODE) !=
SCALER_DISPSTATX_MODE_DISABLED);
- WARN_ON_ONCE((HVS_READ(SCALER_DISPSTATX(chan)) &
- (SCALER_DISPSTATX_FULL | SCALER_DISPSTATX_EMPTY)) !=
- SCALER_DISPSTATX_EMPTY);
-
out:
drm_dev_exit(idx);
}