drm/radeon/kms: never treat rs4xx as AGP

[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / radeon_device.c

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 581b75a..60ec47b 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -241,6 +241,36 @@ bool radeon_card_posted(struct radeon_device *rdev)
 
 }
 
+void radeon_update_bandwidth_info(struct radeon_device *rdev)
+{
+       fixed20_12 a;
+       u32 sclk, mclk;
+
+       if (rdev->flags & RADEON_IS_IGP) {
+               sclk = radeon_get_engine_clock(rdev);
+               mclk = rdev->clock.default_mclk;
+
+               a.full = rfixed_const(100);
+               rdev->pm.sclk.full = rfixed_const(sclk);
+               rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+               rdev->pm.mclk.full = rfixed_const(mclk);
+               rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+
+               a.full = rfixed_const(16);
+               /* core_bandwidth = sclk(Mhz) * 16 */
+               rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
+       } else {
+               sclk = radeon_get_engine_clock(rdev);
+               mclk = radeon_get_memory_clock(rdev);
+
+               a.full = rfixed_const(100);
+               rdev->pm.sclk.full = rfixed_const(sclk);
+               rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+               rdev->pm.mclk.full = rfixed_const(mclk);
+               rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+       }
+}
+
 bool radeon_boot_test_post_card(struct radeon_device *rdev)
 {
        if (radeon_card_posted(rdev))
@@ -532,6 +562,14 @@ int radeon_device_init(struct radeon_device *rdev,
                return r;
        radeon_check_arguments(rdev);
 
+       /* all of the newer IGP chips have an internal gart
+        * However some rs4xx report as AGP, so remove that here.
+        */
+       if ((rdev->family >= CHIP_RS400) &&
+           (rdev->flags & RADEON_IS_IGP)) {
+               rdev->flags &= ~RADEON_IS_AGP;
+       }
+
        if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) {
                radeon_agp_disable(rdev);
        }