linux-kernel - [PATCH 3.19.y-ckt 020/155] drm/qxl: recreate the primary surface when the bo is not primary

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Message-Id: <1447370309-357-21-git-send-email-kamal@canonical.com>
Date:	Thu, 12 Nov 2015 15:16:14 -0800
From:	Kamal Mostafa <kamal@...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>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 020/155] drm/qxl: recreate the primary surface when the bo is not primary

3.19.8-ckt10 -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: Kamal Mostafa <kamal@...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 42b3dbb..52921a8 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -618,7 +618,7 @@ 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) {
-- 
1.9.1

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