78 lines
2.6 KiB
Diff
78 lines
2.6 KiB
Diff
From acd71fb0af82fb6065dd239865bd18bbbf1ceab4 Mon Sep 17 00:00:00 2001
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From: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
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Date: Tue, 15 Aug 2017 10:35:09 +0300
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Subject: [PATCH] compositor-fbdev: fix start-up assertion
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Fixes the failure to start with fbdev-backend:
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weston: /home/pq/git/weston/libweston/compositor.c:4733: weston_compositor_add_pending_output: Assertion `output->disable' failed.
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The disable hook was completely unimplemented, and the regression was
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caused by e952a01c3b42c7c870091e71488e9469bd897153
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"libweston: move asserts to add_pending_output()".
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It used to work because Weston never tried to explicitly disable the
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fbdev output, but now it is hitting the assert.
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Fix it by tentatively implementing a disable hook. It has not been
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tested to work for explicit disabling, but it does solve the regression.
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Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=102208
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Cc: bluescreen_avenger@verizon.net
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Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
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Reviewed-by: Armin Krezović <krezovic.armin@gmail.com>
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Tested-by: n3rdopolis <bluescreen_avenger@verizon.net>
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---
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libweston/compositor-fbdev.c | 23 +++++++++++++++++------
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1 file changed, 17 insertions(+), 6 deletions(-)
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diff --git a/libweston/compositor-fbdev.c b/libweston/compositor-fbdev.c
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index e80a5040..6a305385 100644
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--- a/libweston/compositor-fbdev.c
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+++ b/libweston/compositor-fbdev.c
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@@ -473,6 +473,21 @@ fbdev_output_enable(struct weston_output *base)
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}
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static int
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+fbdev_output_disable_handler(struct weston_output *base)
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+{
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+ if (!base->enabled)
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+ return 0;
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+
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+ /* Close the frame buffer. */
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+ fbdev_output_disable(base);
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+
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+ if (base->renderer_state != NULL)
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+ pixman_renderer_output_destroy(base);
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+
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+ return 0;
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+}
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+
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+static int
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fbdev_output_create(struct fbdev_backend *backend,
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const char *device)
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{
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@@ -497,7 +512,7 @@ fbdev_output_create(struct fbdev_backend *backend,
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output->base.name = strdup("fbdev");
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output->base.destroy = fbdev_output_destroy;
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- output->base.disable = NULL;
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+ output->base.disable = fbdev_output_disable_handler;
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output->base.enable = fbdev_output_enable;
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weston_output_init(&output->base, backend->compositor);
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@@ -539,11 +554,7 @@ fbdev_output_destroy(struct weston_output *base)
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weston_log("Destroying fbdev output.\n");
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- /* Close the frame buffer. */
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- fbdev_output_disable(base);
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-
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- if (base->renderer_state != NULL)
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- pixman_renderer_output_destroy(base);
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+ fbdev_output_disable_handler(base);
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/* Remove the output. */
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weston_output_destroy(&output->base);
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