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drm/radeon/kms: more pm fixes

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- disable gui idle interrupt use
  Seems to hang some r5xx chips
- move vbl range check into
  existing vbl check function in
  radeon_pm.c
- disable crtc mc acccess for the
  whole reclocking process

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-04-29 00:22:43 -04:00
committed by Dave Airlie
parent 68adac5e49
commit 539d241817
4 changed files with 45 additions and 63 deletions
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6
drivers/gpu/drm/radeon/r100.c
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@@ -178,14 +178,12 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
rdev->pm.current_sclk = sclk;
DRM_INFO("Setting: e: %d\n", sclk);
}
#if 0
/* set memory clock */
if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
radeon_set_memory_clock(rdev, mclk);
rdev->pm.current_mclk = mclk;
DRM_INFO("Setting: m: %d\n", mclk);
}
#endif
radeon_pm_finish(rdev);
} else {
radeon_sync_with_vblank(rdev);
@@ -193,6 +191,7 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
if (!radeon_pm_in_vbl(rdev))
return;
radeon_pm_prepare(rdev);
/* set engine clock */
if (sclk != rdev->pm.current_sclk) {
radeon_pm_debug_check_in_vbl(rdev, false);
@@ -205,13 +204,12 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch)
/* set memory clock */
if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
radeon_pm_debug_check_in_vbl(rdev, false);
radeon_pm_prepare(rdev);
radeon_set_memory_clock(rdev, mclk);
radeon_pm_finish(rdev);
radeon_pm_debug_check_in_vbl(rdev, true);
rdev->pm.current_mclk = mclk;
DRM_INFO("Setting: m: %d\n", mclk);
}
radeon_pm_finish(rdev);
}
rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;