On Mon, 2005-04-04 at 22:44 +0200, Claudio Ciccani wrote:
> I have committed a new driver for Radeon R200 based chipsets.
Here's a patch that adds support for FBIO_WAITFORVSYNC to the
crtc1WaitVSync() method.
--
Torgeir Veimo <[EMAIL PROTECTED]>
Index: gfxdrivers/r200/r200_crtc1.c
===================================================================
RCS file: /cvs/directfb/DirectFB/gfxdrivers/r200/r200_crtc1.c,v
retrieving revision 1.2
diff -u -r1.2 r200_crtc1.c
--- gfxdrivers/r200/r200_crtc1.c 7 Apr 2005 13:10:45 -0000 1.2
+++ gfxdrivers/r200/r200_crtc1.c 24 Apr 2005 19:11:21 -0000
@@ -45,6 +45,10 @@
#include <fbdev/fbdev.h>
+#ifndef FBIO_WAITFORVSYNC
+#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
+#endif
+
#include <misc/conf.h>
#include "r200.h"
@@ -116,20 +120,30 @@
R200DriverData *rdrv = (R200DriverData*) driver_data;
volatile __u8 *mmio = rdrv->mmio_base;
int i;
+ static const int zero = 0;
if (dfb_config->pollvsync_none)
return DFB_OK;
+
+#ifdef FBIO_WAITFORVSYNC
+ FBDev *dfb_fbdev = dfb_system_data();
+ if ( ioctl( dfb_fbdev->fd, FBIO_WAITFORVSYNC, &zero ) ) {
+#endif
+ /* fallback method if ioctl fails */
+
- r200_out32( mmio, GEN_INT_STATUS, VSYNC_INT_AK );
+ r200_out32( mmio, GEN_INT_STATUS, VSYNC_INT_AK );
- for (i = 0; i < 2000000; i++) {
- struct timespec t = { 0, 0 };
+ for (i = 0; i < 2000000; i++) {
+ struct timespec t = { 0, 0 };
- if (r200_in32( mmio, GEN_INT_STATUS ) & VSYNC_INT)
- break;
- nanosleep( &t, NULL );
+ if (r200_in32( mmio, GEN_INT_STATUS ) & VSYNC_INT)
+ break;
+ nanosleep( &t, NULL );
+ }
+#ifdef FBIO_WAITFORVSYNC
}
-
+#endif
return DFB_OK;
}
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