linux-kernel - [PATCH 3.12 055/123] drm/qxl: recreate the primary surface when the bo is not primary

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Date:	Wed, 28 Oct 2015 14:52:46 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Fabiano Fidêncio <fidencio@...hat.com>,
	Dave Airlie <airlied@...hat.com>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 055/123] drm/qxl: recreate the primary surface when the bo is not primary

From: Fabiano Fidêncio <fidencio@...hat.com>

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

===============

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: Jiri Slaby <jslaby@...e.cz>
---
 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 9f4d1f71a995..98976f054597 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -537,7 +537,7 @@ 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) {
-- 
2.6.2

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