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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);
}
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