drm/radeon: 9800 SE has only one quadpipe

Although these cards have 2 pipelines on the silicon only
the first passed the QA and the other should be disabled.

http://www.digital-daily.com/video/ati-radeon9800se/
http://www.rojakpot.com/showarticle.aspx?artno=101&pgno=1

agd5f: add some other SE cards as well; fix up kms
Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/r300.c

@@ -323,13 +323,12 @@ void r300_gpu_init(struct radeon_device *rdev)
 	uint32_t gb_tile_config, tmp;
 
 	r100_hdp_reset(rdev);
-	/* FIXME: rv380 one pipes ? */
 	if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
-	    (rdev->family == CHIP_R350)) {
+	    (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
 		/* r300,r350 */
 		rdev->num_gb_pipes = 2;
 	} else {
-		/* rv350,rv370,rv380,r300 AD */
+		/* rv350,rv370,rv380,r300 AD, r350 AH */
 		rdev->num_gb_pipes = 1;
 	}
 	rdev->num_z_pipes = 1;

drivers/gpu/drm/radeon/r420.c

@@ -58,6 +58,12 @@ void r420_pipes_init(struct radeon_device *rdev)
 	/* get max number of pipes */
 	gb_pipe_select = RREG32(0x402C);
 	num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
+
+	/* SE chips have 1 pipe */
+	if ((rdev->pdev->device == 0x5e4c) ||
+	    (rdev->pdev->device == 0x5e4f))
+		num_pipes = 1;
+
 	rdev->num_gb_pipes = num_pipes;
 	tmp = 0;
 	switch (num_pipes) {

drivers/gpu/drm/radeon/radeon_cp.c

@@ -435,14 +435,19 @@ static void radeon_init_pipes(struct drm_device *dev)
 	if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) {
 		gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT);
 		dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1;
+		/* SE cards have 1 pipe */
+		if ((dev->pdev->device == 0x5e4c) ||
+		    (dev->pdev->device == 0x5e4f))
+			dev_priv->num_gb_pipes = 1;
 	} else {
 		/* R3xx */
 		if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300 &&
 		     dev->pdev->device != 0x4144) ||
-		    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) {
+		    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350 &&
+		     dev->pdev->device != 0x4148)) {
 			dev_priv->num_gb_pipes = 2;
 		} else {
-			/* RV3xx/R300 AD */
+			/* RV3xx/R300 AD/R350 AH */
 			dev_priv->num_gb_pipes = 1;
 		}
 	}