xorg-x11-server/SOURCES/0003-modesetting-Clear-new-screen-pixmap-storage-on-RandR.patch
2021-09-10 06:09:15 +00:00

56 lines
1.7 KiB
Diff

From 5489029ff6508b37d71d47d905d744c436a49563 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <mdaenzer@redhat.com>
Date: Tue, 26 Nov 2019 17:17:12 +0100
Subject: [PATCH xserver 3/3] modesetting: Clear new screen pixmap storage on
RandR resize
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Fixes random garbage being visible intermittently.
Reviewed-by: Adam Jackson <ajax@redhat.com>
(Cherry picked from commit 9ba13bac9dd076f166ff0d063fc144b904a40d12)
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
---
hw/xfree86/drivers/modesetting/drmmode_display.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index 8786d13a3..eca058258 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -1795,6 +1795,19 @@ drmmode_set_scanout_pixmap(xf86CrtcPtr crtc, PixmapPtr ppix)
&drmmode_crtc->prime_pixmap);
}
+static void
+drmmode_clear_pixmap(PixmapPtr pixmap)
+{
+ ScreenPtr screen = pixmap->drawable.pScreen;
+ GCPtr gc;
+
+ gc = GetScratchGC(pixmap->drawable.depth, screen);
+ if (gc) {
+ miClearDrawable(&pixmap->drawable, gc);
+ FreeScratchGC(gc);
+ }
+}
+
static void *
drmmode_shadow_allocate(xf86CrtcPtr crtc, int width, int height)
{
@@ -3179,6 +3192,8 @@ drmmode_xf86crtc_resize(ScrnInfoPtr scrn, int width, int height)
if (!drmmode_glamor_handle_new_screen_pixmap(drmmode))
goto fail;
+ drmmode_clear_pixmap(ppix);
+
for (i = 0; i < xf86_config->num_crtc; i++) {
xf86CrtcPtr crtc = xf86_config->crtc[i];
--
2.24.0