forked from pool/xorg-x11-server
Stefan Dirsch
b1a21d4900
- add U_present-get_crtc-should-not-return-crtc-when-its-scr.patch (bsc#1188559) https://gitlab.freedesktop.org/xorg/xserver/-/issues/1195 OBS-URL: https://build.opensuse.org/request/show/907688 OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xorg-x11-server?expand=0&rev=799
97 lines
2.7 KiB
Diff
97 lines
2.7 KiB
Diff
From 857f4de8a8fc14a0bce566baf07b0eedc1b6b5b5 Mon Sep 17 00:00:00 2001
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From: Lukasz Spintzyk <lukasz.spintzyk@synaptics.com>
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Date: Mon, 19 Jul 2021 08:17:09 +0200
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Subject: [PATCH xserver] present: get_crtc should not return crtc when its
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screen does not have present extension
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Since crtc can belong to secondary output that may not have present
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extension enabled we should fallback to first enabled crtc or fake crtc.
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Fix for issue xorg/xserver#1195
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---
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present/present.c | 11 ++++++++++-
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randr/randr.c | 27 +++++++++++++++++++++++++++
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randr/randrstr.h | 2 ++
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3 files changed, 39 insertions(+), 1 deletion(-)
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diff --git a/present/present.c b/present/present.c
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index 3eddb7434..66411212b 100644
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--- a/present/present.c
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+++ b/present/present.c
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@@ -59,11 +59,20 @@ present_get_crtc(WindowPtr window)
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{
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ScreenPtr screen = window->drawable.pScreen;
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present_screen_priv_ptr screen_priv = present_screen_priv(screen);
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+ RRCrtcPtr crtc = NULL;
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+ RROutputPtr firstOutput = NULL;
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if (!screen_priv)
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return NULL;
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- return screen_priv->get_crtc(screen_priv, window);
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+ crtc = screen_priv->get_crtc(screen_priv, window);
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+ if (crtc && !present_screen_priv(crtc->pScreen)) {
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+ crtc = RRFirstEnabledCrtc(screen);
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+ }
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+ if (crtc && !present_screen_priv(crtc->pScreen)) {
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+ crtc = NULL;
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+ }
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+ return crtc;
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}
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/*
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diff --git a/randr/randr.c b/randr/randr.c
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index 5db8b5ced..afc867ea9 100644
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--- a/randr/randr.c
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+++ b/randr/randr.c
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@@ -693,6 +693,33 @@ RRFirstOutput(ScreenPtr pScreen)
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return NULL;
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}
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+RRCrtcPtr
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+RRFirstEnabledCrtc(ScreenPtr pScreen)
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+{
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+ rrScrPriv(pScreen);
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+ RROutputPtr output;
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+ int i, j;
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+
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+ if (!pScrPriv)
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+ return NULL;
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+
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+ if (pScrPriv->primaryOutput && pScrPriv->primaryOutput->crtc &&
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+ pScrPriv->primaryOutput->pScreen == pScreen)
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+ return pScrPriv->primaryOutput->crtc;
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+
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+ for (i = 0; i < pScrPriv->numCrtcs; i++) {
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+ RRCrtcPtr crtc = pScrPriv->crtcs[i];
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+
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+ for (j = 0; j < pScrPriv->numOutputs; j++) {
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+ output = pScrPriv->outputs[j];
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+ if (output->crtc == crtc && crtc->mode)
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+ return crtc;
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+ }
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+ }
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+ return NULL;
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+}
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+
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+
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CARD16
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RRVerticalRefresh(xRRModeInfo * mode)
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{
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diff --git a/randr/randrstr.h b/randr/randrstr.h
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index 0b95d6e25..28ba4ea91 100644
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--- a/randr/randrstr.h
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+++ b/randr/randrstr.h
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@@ -593,6 +593,8 @@ extern _X_EXPORT Bool RRScreenInit(ScreenPtr pScreen);
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extern _X_EXPORT RROutputPtr RRFirstOutput(ScreenPtr pScreen);
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+extern _X_EXPORT RRCrtcPtr RRFirstEnabledCrtc(ScreenPtr pScreen);
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+
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extern _X_EXPORT Bool RROutputSetNonDesktop(RROutputPtr output, Bool non_desktop);
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extern _X_EXPORT CARD16
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--
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2.30.2
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