30 lines
918 B
Diff
30 lines
918 B
Diff
From 6f9b0496f919178720a7f99049d8ab9ff16d3575 Mon Sep 17 00:00:00 2001
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From: Adam Jackson <ajax@redhat.com>
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Date: Mon, 13 Sep 2010 11:34:28 -0400
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Subject: [PATCH] vbe: Refuse to believe tiny (or negative) panel sizes from PanelID
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Signed-off-by: Adam Jackson <ajax@redhat.com>
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---
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hw/xfree86/vbe/vbe.c | 5 +++++
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1 files changed, 5 insertions(+), 0 deletions(-)
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diff --git a/hw/xfree86/vbe/vbe.c b/hw/xfree86/vbe/vbe.c
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index 0b34648..1defd9a 100644
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--- a/hw/xfree86/vbe/vbe.c
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+++ b/hw/xfree86/vbe/vbe.c
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@@ -1088,6 +1088,11 @@ VBEInterpretPanelID(int scrnIndex, struct vbePanelID *data)
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if (pScrn->monitor->nHsync || pScrn->monitor->nVrefresh)
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return;
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+ if (data->hsize < 320 || data->vsize < 240) {
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+ xf86DrvMsg(scrnIndex, X_INFO, "... which I refuse to believe\n");
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+ return;
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+ }
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+
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mode = xf86CVTMode(data->hsize, data->vsize, PANEL_HZ, 1, 0);
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pScrn->monitor->nHsync = 1;
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--
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1.7.2.2
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