linux-kernel - [PATCH 3.16.y-ckt 078/104] drm/qxl: recreate the primary surface when the bo is not primary

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Message-Id: <1445867006-18048-79-git-send-email-luis.henriques@canonical.com>
Date:	Mon, 26 Oct 2015 13:43:00 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Fabiano Fidêncio <fidencio@...hat.com>,
	Dave Airlie <airlied@...hat.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 078/104] drm/qxl: recreate the primary surface when the bo is not primary

3.16.7-ckt19 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: =?UTF-8?q?Fabiano=20Fid=C3=AAncio?= <fidencio@...hat.com>

commit 8d0d94015e96b8853c4f7f06eac3f269e1b3d866 upstream.

When disabling/enabling a crtc the primary area must be updated
independently of which crtc has been disabled/enabled.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1264735

Signed-off-by: Fabiano Fidêncio <fidencio@...hat.com>
Signed-off-by: Dave Airlie <airlied@...hat.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/gpu/drm/qxl/qxl_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 6071a9943ed9..7780a5edfdbb 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -552,7 +552,7 @@ static int qxl_crtc_mode_set(struct drm_crtc *crtc,
 		  adjusted_mode->hdisplay,
 		  adjusted_mode->vdisplay);
 
-	if (qcrtc->index == 0)
+	if (bo->is_primary == false)
 		recreate_primary = true;
 
 	if (bo->surf.stride * bo->surf.height > qdev->vram_size) {
--
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