From 59f17412fa3f3de90ae120a9dc00c2e22b85ca65 Mon Sep 17 00:00:00 2001
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From: Jeffy Chen <jeffy.chen@rock-chips.com>
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Date: Mon, 26 Oct 2020 17:50:06 +0800
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Subject: [PATCH 37/74] HACK: backend-drm: Workaround atomic flip for BSP 4.4
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kernel
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The Rockchip BSP 4.4 kernel might generate unexpected flip events
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when dpms changed.
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Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
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---
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libweston/backend-drm/kms.c | 6 +++++-
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1 file changed, 5 insertions(+), 1 deletion(-)
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diff --git a/libweston/backend-drm/kms.c b/libweston/backend-drm/kms.c
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index a3c55bd..cf37773 100644
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--- a/libweston/backend-drm/kms.c
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+++ b/libweston/backend-drm/kms.c
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@@ -1502,7 +1502,11 @@ atomic_flip_handler(int fd, unsigned int frame, unsigned int sec,
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drm_debug(b, "[atomic][CRTC:%u] flip processing started\n", crtc_id);
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assert(b->atomic_modeset);
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- assert(output->atomic_complete_pending);
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+
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+ /* HACK: Disable this check sink the Rockchip BSP 4.4 kernel might
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+ * generate unexpected flip events when dpms changed. */
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+ //assert(output->atomic_complete_pending);
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+
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output->atomic_complete_pending = false;
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drm_output_update_complete(output, flags, sec, usec);
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--
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2.20.1
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