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drm/radeon/kms: display watermark fixes

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- rs780/880 were using the wrong bandwidth functions
- convert r1xx-r4xx to use the same pm sclk/mclk structs as
r5xx+
- move bandwidth setup to a common function

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-03-16 20:54:38 -04:00
committed by Dave Airlie
parent 9e7b414edb
commit f47299c55a
12 changed files with 87 additions and 51 deletions
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30
drivers/gpu/drm/radeon/radeon_device.c
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@@ -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))