diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 5e3f21861f4..b312b72d76c 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -382,6 +382,9 @@ int rs600_irq_set(struct radeon_device *rdev) if (rdev->irq.sw_int) { tmp |= S_000040_SW_INT_EN(1); } + if (rdev->irq.gui_idle) { + tmp |= S_000040_GUI_IDLE(1); + } if (rdev->irq.crtc_vblank_int[0]) { mode_int |= S_006540_D1MODE_VBLANK_INT_MASK(1); } @@ -404,9 +407,15 @@ int rs600_irq_set(struct radeon_device *rdev) static inline uint32_t rs600_irq_ack(struct radeon_device *rdev, u32 *r500_disp_int) { uint32_t irqs = RREG32(R_000044_GEN_INT_STATUS); - uint32_t irq_mask = ~C_000044_SW_INT; + uint32_t irq_mask = S_000044_SW_INT(1); u32 tmp; + /* the interrupt works, but the status bit is permanently asserted */ + if (rdev->irq.gui_idle && radeon_gui_idle(rdev)) { + if (!rdev->irq.gui_idle_acked) + irq_mask |= S_000044_GUI_IDLE_STAT(1); + } + if (G_000044_DISPLAY_INT_STAT(irqs)) { *r500_disp_int = RREG32(R_007EDC_DISP_INTERRUPT_STATUS); if (G_007EDC_LB_D1_VBLANK_INTERRUPT(*r500_disp_int)) { @@ -454,6 +463,9 @@ int rs600_irq_process(struct radeon_device *rdev) uint32_t r500_disp_int; bool queue_hotplug = false; + /* reset gui idle ack. the status bit is broken */ + rdev->irq.gui_idle_acked = false; + status = rs600_irq_ack(rdev, &r500_disp_int); if (!status && !r500_disp_int) { return IRQ_NONE; @@ -462,6 +474,12 @@ int rs600_irq_process(struct radeon_device *rdev) /* SW interrupt */ if (G_000044_SW_INT(status)) radeon_fence_process(rdev); + /* GUI idle */ + if (G_000040_GUI_IDLE(status)) { + rdev->irq.gui_idle_acked = true; + rdev->pm.gui_idle = true; + wake_up(&rdev->irq.idle_queue); + } /* Vertical blank interrupts */ if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) { drm_handle_vblank(rdev->ddev, 0); @@ -483,6 +501,8 @@ int rs600_irq_process(struct radeon_device *rdev) } status = rs600_irq_ack(rdev, &r500_disp_int); } + /* reset gui idle ack. the status bit is broken */ + rdev->irq.gui_idle_acked = false; if (queue_hotplug) queue_work(rdev->wq, &rdev->hotplug_work); if (rdev->msi_enabled) { |