drm: G33-class hardware has a newer 965-style MCH (no DCC register).

Fixes bad software fallback rendering in Mesa in dual-channel configurations.

d9a2470012588dc5313a5ac8bb2f03575af00e99

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Eric Anholt 2008-09-15 13:13:34 -07:00 committed by Dave Airlie
parent 4f481ed22e
commit 28af0a2767

View file

@ -96,7 +96,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
*/
swizzle_x = I915_BIT_6_SWIZZLE_NONE;
swizzle_y = I915_BIT_6_SWIZZLE_NONE;
} else if (!IS_I965G(dev) || IS_I965GM(dev)) {
} else if ((!IS_I965G(dev) && !IS_G33(dev)) || IS_I965GM(dev)) {
uint32_t dcc;
/* On 915-945 and GM965, channel interleave by the CPU is