diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 78 |
1 files changed, 69 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 8e10aa9f74b0..f637595b14e1 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -68,6 +68,56 @@ MODULE_FIRMWARE(FIRMWARE_R520); * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */ +void r100_pre_page_flip(struct radeon_device *rdev, int crtc) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc]; + u32 tmp; + + /* make sure flip is at vb rather than hb */ + tmp = RREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset); + tmp &= ~RADEON_CRTC_OFFSET_FLIP_CNTL; + /* make sure pending bit is asserted */ + tmp |= RADEON_CRTC_GUI_TRIG_OFFSET_LEFT_EN; + WREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset, tmp); + + /* set pageflip to happen as late as possible in the vblank interval. + * same field for crtc1/2 + */ + tmp = RREG32(RADEON_CRTC_GEN_CNTL); + tmp &= ~RADEON_CRTC_VSTAT_MODE_MASK; + WREG32(RADEON_CRTC_GEN_CNTL, tmp); + + /* enable the pflip int */ + radeon_irq_kms_pflip_irq_get(rdev, crtc); +} + +void r100_post_page_flip(struct radeon_device *rdev, int crtc) +{ + /* disable the pflip int */ + radeon_irq_kms_pflip_irq_put(rdev, crtc); +} + +u32 r100_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + u32 tmp = ((u32)crtc_base) | RADEON_CRTC_OFFSET__OFFSET_LOCK; + + /* Lock the graphics update lock */ + /* update the scanout addresses */ + WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); + + /* Wait for update_pending to go high. */ + while (!(RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET)); + DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n"); + + /* Unlock the lock, so double-buffering can take place inside vblank */ + tmp &= ~RADEON_CRTC_OFFSET__OFFSET_LOCK; + WREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset, tmp); + + /* Return current update_pending status: */ + return RREG32(RADEON_CRTC_OFFSET + radeon_crtc->crtc_offset) & RADEON_CRTC_OFFSET__GUI_TRIG_OFFSET; +} + void r100_pm_get_dynpm_state(struct radeon_device *rdev) { int i; @@ -526,10 +576,12 @@ int r100_irq_set(struct radeon_device *rdev) if (rdev->irq.gui_idle) { tmp |= RADEON_GUI_IDLE_MASK; } - if (rdev->irq.crtc_vblank_int[0]) { + if (rdev->irq.crtc_vblank_int[0] || + rdev->irq.pflip[0]) { tmp |= RADEON_CRTC_VBLANK_MASK; } - if (rdev->irq.crtc_vblank_int[1]) { + if (rdev->irq.crtc_vblank_int[1] || + rdev->irq.pflip[1]) { tmp |= RADEON_CRTC2_VBLANK_MASK; } if (rdev->irq.hpd[0]) { @@ -600,14 +652,22 @@ int r100_irq_process(struct radeon_device *rdev) } /* Vertical blank interrupts */ if (status & RADEON_CRTC_VBLANK_STAT) { - drm_handle_vblank(rdev->ddev, 0); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); + if (rdev->irq.crtc_vblank_int[0]) { + drm_handle_vblank(rdev->ddev, 0); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); + } + if (rdev->irq.pflip[0]) + radeon_crtc_handle_flip(rdev, 0); } if (status & RADEON_CRTC2_VBLANK_STAT) { - drm_handle_vblank(rdev->ddev, 1); - rdev->pm.vblank_sync = true; - wake_up(&rdev->irq.vblank_queue); + if (rdev->irq.crtc_vblank_int[1]) { + drm_handle_vblank(rdev->ddev, 1); + rdev->pm.vblank_sync = true; + wake_up(&rdev->irq.vblank_queue); + } + if (rdev->irq.pflip[1]) + radeon_crtc_handle_flip(rdev, 1); } if (status & RADEON_FP_DETECT_STAT) { queue_hotplug = true; @@ -622,7 +682,7 @@ int r100_irq_process(struct radeon_device *rdev) /* 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); + schedule_work(&rdev->hotplug_work); if (rdev->msi_enabled) { switch (rdev->family) { case CHIP_RS400: |