[Bug 32511] glDrawPixels broken on savage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32511

--- Comment #9 from Tormod Volden <bugzi09.fdo.tormod at xoxy.net> 2011-01-08 04:09:53 PST ---
Created an attachment (id=41768)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=41768)
debug dmesg output including drawpix run

The kernel drm savage_drv.h lists this information:
#define SAVAGE_FB_SIZE_S3       0x01000000      /*  16MB */
#define SAVAGE_FB_SIZE_S4       0x02000000      /*  32MB */
#define SAVAGE_MMIO_SIZE        0x00080000      /* 512kB */
#define SAVAGE_APERTURE_OFFSET  0x02000000      /*  32MB */
#define SAVAGE_APERTURE_SIZE    0x05000000      /* 5 tiled surfaces, 16MB each
*/

I also noticed in drm debug information that drmMapBufs() at savage_xmesa.c:252
returns 0. Is this an issue?

[  336.272629] [drm:drm_ioctl], pid=1559, cmd=0xc00c6419, nr=0x19, dev 0xe200,
auth=1
[  336.272647] [drm:drm_mapbufs], 0 buffers, retcode = -22
[  336.272654] [drm:drm_ioctl], ret = ffffffea

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