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drm/radeon/kms: add dynamic engine reclocking (V9)

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V2: reorganize functions, fix modesetting calls
V3: rebase patch, use radeon's workqueue
V4: enable on tested chipsets only, request VBLANK IRQs
V5: enable PM on older hardware (IRQs, mode_fixup, dpms)
V6: use separate dynpm module parameter
V7: drop RADEON_ prefix, set minimum mode for dpms off
V8: update legacy encoder call, fix order in rs600 IRQ
V9: update compute_clocks call in legacy, not only DPMS_OFF

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Rafał Miłecki
2009-12-22 23:02:16 +01:00
committed by Dave Airlie
parent 18917b60bc
commit c913e23a14
9 changed files with 314 additions and 4 deletions
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10
drivers/gpu/drm/radeon/rs600.c
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@@ -406,10 +406,16 @@ int rs600_irq_process(struct radeon_device *rdev)
if (G_000044_SW_INT(status))
radeon_fence_process(rdev);
/* Vertical blank interrupts */
if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int))
if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
drm_handle_vblank(rdev->ddev, 0);
if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int))
if (rdev->pm.vblank_callback)
queue_work(rdev->wq, &rdev->pm.reclock_work);
}
if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int)) {
drm_handle_vblank(rdev->ddev, 1);
if (rdev->pm.vblank_callback)
queue_work(rdev->wq, &rdev->pm.reclock_work);
}
if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(r500_disp_int)) {
queue_hotplug = true;
DRM_DEBUG("HPD1\n");