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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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11
drivers/gpu/drm/radeon/rs690.c
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@@ -132,7 +132,6 @@ void rs690_pm_info(struct radeon_device *rdev)
void rs690_mc_init(struct radeon_device *rdev)
{
fixed20_12 a;
u64 base;
rs400_gart_adjust_size(rdev);
@@ -146,18 +145,10 @@ void rs690_mc_init(struct radeon_device *rdev)
base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
base = G_000100_MC_FB_START(base) << 16;
rs690_pm_info(rdev);
/* FIXME: we should enforce default clock in case GPU is not in
* default setup
*/
a.full = rfixed_const(100);
rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
a.full = rfixed_const(16);
/* core_bandwidth = sclk(Mhz) * 16 */
rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
radeon_vram_location(rdev, &rdev->mc, base);
radeon_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
}
void rs690_line_buffer_adjust(struct radeon_device *rdev,