drm/radeon: R300 AD only has one quad pipe.
Gleaned from the Mesa code.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=27355 .
Signed-off-by: Michel Dänzer <daenzer@vmware.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 1023eeb..0e9eb76 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -324,11 +324,12 @@
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;
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index dc6eba6..419630d 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -417,8 +417,9 @@
return -EBUSY;
}
-static void radeon_init_pipes(drm_radeon_private_t *dev_priv)
+static void radeon_init_pipes(struct drm_device *dev)
{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
uint32_t gb_tile_config, gb_pipe_sel = 0;
if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) {
@@ -436,11 +437,12 @@
dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1;
} else {
/* R3xx */
- if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
+ if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300 &&
+ dev->pdev->device != 0x4144) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) {
dev_priv->num_gb_pipes = 2;
} else {
- /* R3Vxx */
+ /* RV3xx/R300 AD */
dev_priv->num_gb_pipes = 1;
}
}
@@ -736,7 +738,7 @@
/* setup the raster pipes */
if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R300)
- radeon_init_pipes(dev_priv);
+ radeon_init_pipes(dev);
/* Reset the CP ring */
radeon_do_cp_reset(dev_priv);