linux-kernel - [PATCH 5/5] gxt4500: enable panning

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Date:	Tue, 17 Feb 2015 23:33:54 +0100
From:	Ondrej Zary <linux@...nbow-software.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	linux-fbdev@...r.kernel.org,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: [PATCH 5/5] gxt4500: enable panning

The driver implements pan_display but the corresponding flags are not set.

Add FBINFO_HWACCEL_XPAN and FBINFO_HWACCEL_YPAN to flags to allow HW
accelerated panning (for fast scrolling).

Signed-off-by: Ondrej Zary <linux@...nbow-software.org>
---
 drivers/video/fbdev/gxt4500.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c
index f278c82..7f97c89 100644
--- a/drivers/video/fbdev/gxt4500.c
+++ b/drivers/video/fbdev/gxt4500.c
@@ -699,7 +699,8 @@ static int gxt4500_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 #endif
 
 	info->fbops = &gxt4500_ops;
-	info->flags = FBINFO_FLAG_DEFAULT;
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_HWACCEL_XPAN |
+					    FBINFO_HWACCEL_YPAN;
 
 	err = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (err) {
-- 
Ondrej Zary

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