drm/radeon: init pipe setup in kernel code.
This inits the card pipes in the kernel and lets userspace getparam
the correct setup.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 77bd90f..5991875 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -247,6 +247,50 @@
return -EBUSY;
}
+static void radeon_init_pipes(drm_radeon_private_t *dev_priv)
+{
+ uint32_t gb_tile_config, gb_pipe_sel = 0;
+
+ /* RS4xx/RS6xx/R4xx/R5xx */
+ 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;
+ } else {
+ /* R3xx */
+ if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
+ ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) {
+ dev_priv->num_gb_pipes = 2;
+ } else {
+ /* R3Vxx */
+ dev_priv->num_gb_pipes = 1;
+ }
+ }
+ DRM_INFO("Num pipes: %d\n", dev_priv->num_gb_pipes);
+
+ gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16 /*| R300_SUBPIXEL_1_16*/);
+
+ switch (dev_priv->num_gb_pipes) {
+ case 2: gb_tile_config |= R300_PIPE_COUNT_R300; break;
+ case 3: gb_tile_config |= R300_PIPE_COUNT_R420_3P; break;
+ case 4: gb_tile_config |= R300_PIPE_COUNT_R420; break;
+ default:
+ case 1: gb_tile_config |= R300_PIPE_COUNT_RV350; break;
+ }
+
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
+ RADEON_WRITE_PLL(R500_DYN_SCLK_PWMEM_PIPE, (1 | ((gb_pipe_sel >> 8) & 0xf) << 4));
+ RADEON_WRITE(R500_SU_REG_DEST, ((1 << dev_priv->num_gb_pipes) - 1));
+ }
+ RADEON_WRITE(R300_GB_TILE_CONFIG, gb_tile_config);
+ radeon_do_wait_for_idle(dev_priv);
+ RADEON_WRITE(R300_DST_PIPE_CONFIG, RADEON_READ(R300_DST_PIPE_CONFIG) | R300_PIPE_AUTO_CONFIG);
+ RADEON_WRITE(R300_RB2D_DSTCACHE_MODE, (RADEON_READ(R300_RB2D_DSTCACHE_MODE) |
+ R300_DC_AUTOFLUSH_ENABLE |
+ R300_DC_DC_DISABLE_IGNORE_PE));
+
+
+}
+
/* ================================================================
* CP control, initialization
*/
@@ -464,6 +508,10 @@
RADEON_WRITE(RADEON_RBBM_SOFT_RESET, rbbm_soft_reset);
}
+ /* setup the raster pipes */
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R300)
+ radeon_init_pipes(dev_priv);
+
/* Reset the CP ring */
radeon_do_cp_reset(dev_priv);