[PATCH 8/10] ps3: disable display flipping during mode changes

[Geert Uytterhoeven]

If ps3fb is available, we have to disable display flipping while changing the
audio or video mode.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven at sonycom.com>
---
 drivers/ps3/ps3av_cmd.c     |    5 ++++-
 include/asm-powerpc/ps3fb.h |   10 ++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

--- ps3-linux-2.6.20.orig/drivers/ps3/ps3av_cmd.c
+++ ps3-linux-2.6.20/drivers/ps3/ps3av_cmd.c
@@ -22,6 +22,7 @@
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <asm/ps3av.h>
+#include <asm/ps3fb.h>
 #include <asm/ps3.h>
 
 #include "vuart.h"
@@ -851,8 +852,9 @@ int ps3av_cmd_avb_param(struct ps3av_pkt
 {
 	int res;
 
-	/* avb packet */
+	ps3fb_flip_ctl(0);	/* flip off */
 
+	/* avb packet */
 	res = ps3av_do_pkt(PS3AV_CID_AVB_PARAM, send_len, sizeof(*avb),
 			   &avb->send_hdr);
 	if (res < 0)
@@ -864,6 +866,7 @@ int ps3av_cmd_avb_param(struct ps3av_pkt
 			 res);
 
       out:
+	ps3fb_flip_ctl(1);	/* flip on */
 	return res;
 }
 
--- ps3-linux-2.6.20.orig/include/asm-powerpc/ps3fb.h
+++ ps3-linux-2.6.20/include/asm-powerpc/ps3fb.h
@@ -41,4 +41,14 @@ struct ps3fb_ioctl_res {
 	__u32 num_frames; /* num of frame buffers */
 };
 
+#ifdef __KERNEL__
+
+#ifdef CONFIG_FB_PS3
+extern void ps3fb_flip_ctl(int on);
+#else
+static inline void ps3fb_flip_ctl(int on) {}
+#endif
+
+#endif /* __KERNEL__ */
+
 #endif /* _ASM_POWERPC_PS3FB_H_ */

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- Sony Network and Software Technology Center Europe (NSCE)
Geert.Uytterhoeven at sonycom.com ------- The Corporate Village, Da Vincilaan 7-D1
Voice +32-2-7008453 Fax +32-2-7008622 ---------------- B-1935 Zaventem, Belgium