--- drivers/gpu/drm/radeon/r300.c

+++ drivers/gpu/drm/radeon/r300.c

@@ -346,11 +346,12 @@ void r300_gpu_init(struct radeon_device

r100_hdp_reset(rdev);

/* FIXME: rv380 one pipes ? */

- if ((rdev->family == CHIP_R300) || (rdev->family == CHIP_R350)) {

+ if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||

+ (rdev->family == CHIP_R350)) {

/* r300,r350 */

rdev->num_gb_pipes = 2;

} else {

- /* rv350,rv370,rv380 */

+ /* rv350,rv370,rv380,r300 AD */

rdev->num_gb_pipes = 1;

}

rdev->num_z_pipes = 1;