diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 395 |
4 files changed, 288 insertions, 143 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 29115450ee4..63c6803d471 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -673,7 +673,7 @@ static int i915_getparam(struct drm_device *dev, void *data, switch (param->param) { case I915_PARAM_IRQ_ACTIVE: - value = dev->irq_enabled; + value = dev->pdev->irq ? 1 : 0; break; case I915_PARAM_ALLOW_BATCHBUFFER: value = dev_priv->allow_batchbuffer ? 1 : 0; @@ -808,7 +808,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) * and the registers being closely associated. */ if (!IS_I945G(dev) && !IS_I945GM(dev)) - pci_enable_msi(dev->pdev); + if (pci_enable_msi(dev->pdev)) + DRM_ERROR("failed to enable MSI\n"); intel_opregion_init(dev); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index eff66ed3e58..37af03f4db3 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -85,10 +85,8 @@ static struct drm_driver driver = { /* don't use mtrr's here, the Xserver or user space app should * deal with them for intel hardware. */ - .driver_features = - DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/ - DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL | - DRIVER_IRQ_VBL2, + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, .load = i915_driver_load, .unload = i915_driver_unload, .lastclose = i915_driver_lastclose, @@ -96,8 +94,9 @@ static struct drm_driver driver = { .suspend = i915_suspend, .resume = i915_resume, .device_is_agp = i915_driver_device_is_agp, - .vblank_wait = i915_driver_vblank_wait, - .vblank_wait2 = i915_driver_vblank_wait2, + .get_vblank_counter = i915_get_vblank_counter, + .enable_vblank = i915_enable_vblank, + .disable_vblank = i915_disable_vblank, .irq_preinstall = i915_driver_irq_preinstall, .irq_postinstall = i915_driver_irq_postinstall, .irq_uninstall = i915_driver_irq_uninstall, diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 71326ca9367..d1a02bead45 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -83,10 +83,15 @@ struct mem_block { typedef struct _drm_i915_vbl_swap { struct list_head head; drm_drawable_t drw_id; - unsigned int pipe; + unsigned int plane; unsigned int sequence; } drm_i915_vbl_swap_t; +struct opregion_header; +struct opregion_acpi; +struct opregion_swsci; +struct opregion_asle; + struct intel_opregion { struct opregion_header *header; struct opregion_acpi *acpi; @@ -105,7 +110,7 @@ typedef struct drm_i915_private { drm_dma_handle_t *status_page_dmah; void *hw_status_page; dma_addr_t dma_status_page; - unsigned long counter; + uint32_t counter; unsigned int status_gfx_addr; drm_local_map_t hws_map; @@ -247,16 +252,17 @@ extern int i915_irq_emit(struct drm_device *dev, void *data, extern int i915_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_priv); -extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence); -extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence); extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); extern void i915_driver_irq_preinstall(struct drm_device * dev); -extern void i915_driver_irq_postinstall(struct drm_device * dev); +extern int i915_driver_irq_postinstall(struct drm_device *dev); extern void i915_driver_irq_uninstall(struct drm_device * dev); extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, struct drm_file *file_priv); extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, struct drm_file *file_priv); +extern int i915_enable_vblank(struct drm_device *dev, int crtc); +extern void i915_disable_vblank(struct drm_device *dev, int crtc); +extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc); extern int i915_vblank_swap(struct drm_device *dev, void *data, struct drm_file *file_priv); extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask); @@ -278,6 +284,10 @@ extern void i915_mem_release(struct drm_device * dev, extern int i915_save_state(struct drm_device *dev); extern int i915_restore_state(struct drm_device *dev); +/* i915_suspend.c */ +extern int i915_save_state(struct drm_device *dev); +extern int i915_restore_state(struct drm_device *dev); + /* i915_opregion.c */ extern int intel_opregion_init(struct drm_device *dev); extern void intel_opregion_free(struct drm_device *dev); diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index ae7d3a82a6d..f8759597233 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -35,9 +35,8 @@ /** These are the interrupts used by the driver */ #define I915_INTERRUPT_ENABLE_MASK (I915_USER_INTERRUPT | \ - I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT | \ - I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT | \ I915_ASLE_INTERRUPT | \ + I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | \ I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) void @@ -61,6 +60,64 @@ i915_disable_irq(drm_i915_private_t *dev_priv, u32 mask) } /** + * i915_get_pipe - return the the pipe associated with a given plane + * @dev: DRM device + * @plane: plane to look for + * + * The Intel Mesa & 2D drivers call the vblank routines with a plane number + * rather than a pipe number, since they may not always be equal. This routine + * maps the given @plane back to a pipe number. + */ +static int +i915_get_pipe(struct drm_device *dev, int plane) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u32 dspcntr; + + dspcntr = plane ? I915_READ(DSPBCNTR) : I915_READ(DSPACNTR); + + return dspcntr & DISPPLANE_SEL_PIPE_MASK ? 1 : 0; +} + +/** + * i915_get_plane - return the the plane associated with a given pipe + * @dev: DRM device + * @pipe: pipe to look for + * + * The Intel Mesa & 2D drivers call the vblank routines with a plane number + * rather than a plane number, since they may not always be equal. This routine + * maps the given @pipe back to a plane number. + */ +static int +i915_get_plane(struct drm_device *dev, int pipe) +{ + if (i915_get_pipe(dev, 0) == pipe) + return 0; + return 1; +} + +/** + * i915_pipe_enabled - check if a pipe is enabled + * @dev: DRM device + * @pipe: pipe to check + * + * Reading certain registers when the pipe is disabled can hang the chip. + * Use this routine to make sure the PLL is running and the pipe is active + * before reading such registers if unsure. + */ +static int +i915_pipe_enabled(struct drm_device *dev, int pipe) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + unsigned long pipeconf = pipe ? PIPEBCONF : PIPEACONF; + + if (I915_READ(pipeconf) & PIPEACONF_ENABLE) + return 1; + + return 0; +} + +/** * Emit blits for scheduled buffer swaps. * * This function will be called with the HW lock held. @@ -71,8 +128,7 @@ static void i915_vblank_tasklet(struct drm_device *dev) unsigned long irqflags; struct list_head *list, *tmp, hits, *hit; int nhits, nrects, slice[2], upper[2], lower[2], i; - unsigned counter[2] = { atomic_read(&dev->vbl_received), - atomic_read(&dev->vbl_received2) }; + unsigned counter[2]; struct drm_drawable_info *drw; drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; u32 cpp = dev_priv->cpp; @@ -94,6 +150,9 @@ static void i915_vblank_tasklet(struct drm_device *dev) src_pitch >>= 2; } + counter[0] = drm_vblank_count(dev, 0); + counter[1] = drm_vblank_count(dev, 1); + DRM_DEBUG("\n"); INIT_LIST_HEAD(&hits); @@ -106,12 +165,14 @@ static void i915_vblank_tasklet(struct drm_device *dev) list_for_each_safe(list, tmp, &dev_priv->vbl_swaps.head) { drm_i915_vbl_swap_t *vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); + int pipe = i915_get_pipe(dev, vbl_swap->plane); - if ((counter[vbl_swap->pipe] - vbl_swap->sequence) > (1<<23)) + if ((counter[pipe] - vbl_swap->sequence) > (1<<23)) continue; list_del(list); dev_priv->swaps_pending--; + drm_vblank_put(dev, pipe); spin_unlock(&dev_priv->swaps_lock); spin_lock(&dev->drw_lock); @@ -204,7 +265,7 @@ static void i915_vblank_tasklet(struct drm_device *dev) drm_i915_vbl_swap_t *swap_hit = list_entry(hit, drm_i915_vbl_swap_t, head); struct drm_clip_rect *rect; - int num_rects, pipe; + int num_rects, plane; unsigned short top, bottom; drw = drm_get_drawable_info(dev, swap_hit->drw_id); @@ -213,9 +274,9 @@ static void i915_vblank_tasklet(struct drm_device *dev) continue; rect = drw->rects; - pipe = swap_hit->pipe; - top = upper[pipe]; - bottom = lower[pipe]; + plane = swap_hit->plane; + top = upper[plane]; + bottom = lower[plane]; for (num_rects = drw->num_rects; num_rects--; rect++) { int y1 = max(rect->y1, top); @@ -252,22 +313,54 @@ static void i915_vblank_tasklet(struct drm_device *dev) } } +u32 i915_get_vblank_counter(struct drm_device *dev, int plane) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + unsigned long high_frame; + unsigned long low_frame; + u32 high1, high2, low, count; + int pipe; + + pipe = i915_get_pipe(dev, plane); + high_frame = pipe ? PIPEBFRAMEHIGH : PIPEAFRAMEHIGH; + low_frame = pipe ? PIPEBFRAMEPIXEL : PIPEAFRAMEPIXEL; + + if (!i915_pipe_enabled(dev, pipe)) { + DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe); + return 0; + } + + /* + * High & low register fields aren't synchronized, so make sure + * we get a low value that's stable across two reads of the high + * register. + */ + do { + high1 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >> + PIPE_FRAME_HIGH_SHIFT); + low = ((I915_READ(low_frame) & PIPE_FRAME_LOW_MASK) >> + PIPE_FRAME_LOW_SHIFT); + high2 = ((I915_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >> + PIPE_FRAME_HIGH_SHIFT); + } while (high1 != high2); + + count = (high1 << 8) | low; + + return count; +} + irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u32 pipea_stats, pipeb_stats; u32 iir; - - pipea_stats = I915_READ(PIPEASTAT); - pipeb_stats = I915_READ(PIPEBSTAT); + u32 pipea_stats, pipeb_stats; + int vblank = 0; if (dev->pdev->msi_enabled) I915_WRITE(IMR, ~0); iir = I915_READ(IIR); - DRM_DEBUG("iir=%08x\n", iir); - if (iir == 0) { if (dev->pdev->msi_enabled) { I915_WRITE(IMR, dev_priv->irq_mask_reg); @@ -276,48 +369,56 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) return IRQ_NONE; } - I915_WRITE(PIPEASTAT, pipea_stats); - I915_WRITE(PIPEBSTAT, pipeb_stats); - - I915_WRITE(IIR, iir); - if (dev->pdev->msi_enabled) - I915_WRITE(IMR, dev_priv->irq_mask_reg); - (void) I915_READ(IIR); /* Flush posted writes */ - - dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); - - if (iir & I915_USER_INTERRUPT) - DRM_WAKEUP(&dev_priv->irq_queue); - - if (iir & (I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT | - I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT)) { - int vblank_pipe = dev_priv->vblank_pipe; - - if ((vblank_pipe & - (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) - == (DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B)) { - if (iir & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) - atomic_inc(&dev->vbl_received); - if (iir & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) - atomic_inc(&dev->vbl_received2); - } else if (((iir & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) && - (vblank_pipe & DRM_I915_VBLANK_PIPE_A)) || - ((iir & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) && - (vblank_pipe & DRM_I915_VBLANK_PIPE_B))) - atomic_inc(&dev->vbl_received); + /* + * Clear the PIPE(A|B)STAT regs before the IIR otherwise + * we may get extra interrupts. + */ + if (iir & I915_DISPLAY_PIPE_A_EVENT_INTERRUPT) { + pipea_stats = I915_READ(PIPEASTAT); + if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)) + pipea_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE | + PIPE_VBLANK_INTERRUPT_ENABLE); + else if (pipea_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| + PIPE_VBLANK_INTERRUPT_STATUS)) { + vblank++; + drm_handle_vblank(dev, i915_get_plane(dev, 0)); + } - DRM_WAKEUP(&dev->vbl_queue); - drm_vbl_send_signals(dev); + I915_WRITE(PIPEASTAT, pipea_stats); + } + if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) { + pipeb_stats = I915_READ(PIPEBSTAT); + /* Ack the event */ + I915_WRITE(PIPEBSTAT, pipeb_stats); + + /* The vblank interrupt gets enabled even if we didn't ask for + it, so make sure it's shut down again */ + if (!(dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)) + pipeb_stats &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE | + PIPE_VBLANK_INTERRUPT_ENABLE); + else if (pipeb_stats & (PIPE_START_VBLANK_INTERRUPT_STATUS| + PIPE_VBLANK_INTERRUPT_STATUS)) { + vblank++; + drm_handle_vblank(dev, i915_get_plane(dev, 1)); + } - if (dev_priv->swaps_pending > 0) - drm_locked_tasklet(dev, i915_vblank_tasklet); + if (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) + opregion_asle_intr(dev); + I915_WRITE(PIPEBSTAT, pipeb_stats); } if (iir & I915_ASLE_INTERRUPT) opregion_asle_intr(dev); - if (iir & I915_DISPLAY_PIPE_B_EVENT_INTERRUPT) - opregion_asle_intr(dev); + dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + + if (dev->pdev->msi_enabled) + I915_WRITE(IMR, dev_priv->irq_mask_reg); + I915_WRITE(IIR, iir); + (void) I915_READ(IIR); + + if (vblank && dev_priv->swaps_pending > 0) + drm_locked_tasklet(dev, i915_vblank_tasklet); return IRQ_HANDLED; } @@ -358,7 +459,7 @@ static void i915_user_irq_get(struct drm_device *dev) spin_unlock(&dev_priv->user_irq_lock); } -static void i915_user_irq_put(struct drm_device *dev) +void i915_user_irq_put(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; @@ -395,41 +496,10 @@ static int i915_wait_irq(struct drm_device * dev, int irq_nr) } dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); - return ret; -} - -static int i915_driver_vblank_do_wait(struct drm_device *dev, unsigned int *sequence, - atomic_t *counter) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - unsigned int cur_vblank; - int ret = 0; - - if (!dev_priv) { - DRM_ERROR("called with no initialization\n"); - return -EINVAL; - } - - DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(counter)) - - *sequence) <= (1<<23))); - - *sequence = cur_vblank; return ret; } - -int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence) -{ - return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received); -} - -int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence) -{ - return i915_driver_vblank_do_wait(dev, sequence, &dev->vbl_received2); -} - /* Needs the lock as it touches the ring. */ int i915_irq_emit(struct drm_device *dev, void *data, @@ -472,40 +542,88 @@ int i915_irq_wait(struct drm_device *dev, void *data, return i915_wait_irq(dev, irqwait->irq_seq); } +int i915_enable_vblank(struct drm_device *dev, int plane) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + int pipe = i915_get_pipe(dev, plane); + u32 pipestat_reg = 0; + u32 pipestat; + + switch (pipe) { + case 0: + pipestat_reg = PIPEASTAT; + i915_enable_irq(dev_priv, I915_DISPLAY_PIPE_A_EVENT_INTERRUPT); + break; + case 1: + pipestat_reg = PIPEBSTAT; + i915_enable_irq(dev_priv, I915_DISPLAY_PIPE_B_EVENT_INTERRUPT); + break; + default: + DRM_ERROR("tried to enable vblank on non-existent pipe %d\n", + pipe); + break; + } + + if (pipestat_reg) { + pipestat = I915_READ(pipestat_reg); + if (IS_I965G(dev)) + pipestat |= PIPE_START_VBLANK_INTERRUPT_ENABLE; + else + pipestat |= PIPE_VBLANK_INTERRUPT_ENABLE; + /* Clear any stale interrupt status */ + pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS | + PIPE_VBLANK_INTERRUPT_STATUS); + I915_WRITE(pipestat_reg, pipestat); + } + + return 0; +} + +void i915_disable_vblank(struct drm_device *dev, int plane) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + int pipe = i915_get_pipe(dev, plane); + u32 pipestat_reg = 0; + u32 pipestat; + + switch (pipe) { + case 0: + pipestat_reg = PIPEASTAT; + i915_disable_irq(dev_priv, I915_DISPLAY_PIPE_A_EVENT_INTERRUPT); + break; + case 1: + pipestat_reg = PIPEBSTAT; + i915_disable_irq(dev_priv, I915_DISPLAY_PIPE_B_EVENT_INTERRUPT); + break; + default: + DRM_ERROR("tried to disable vblank on non-existent pipe %d\n", + pipe); + break; + } + + if (pipestat_reg) { + pipestat = I915_READ(pipestat_reg); + pipestat &= ~(PIPE_START_VBLANK_INTERRUPT_ENABLE | + PIPE_VBLANK_INTERRUPT_ENABLE); + /* Clear any stale interrupt status */ + pipestat |= (PIPE_START_VBLANK_INTERRUPT_STATUS | + PIPE_VBLANK_INTERRUPT_STATUS); + I915_WRITE(pipestat_reg, pipestat); + } +} + /* Set the vblank monitor pipe */ int i915_vblank_pipe_set(struct drm_device *dev, void *data, struct drm_file *file_priv) { drm_i915_private_t *dev_priv = dev->dev_private; - drm_i915_vblank_pipe_t *pipe = data; - u32 enable_mask = 0, disable_mask = 0; if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } - if (pipe->pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) { - DRM_ERROR("called with invalid pipe 0x%x\n", pipe->pipe); - return -EINVAL; - } - - if (pipe->pipe & DRM_I915_VBLANK_PIPE_A) - enable_mask |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT; - else - disable_mask |= I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT; - - if (pipe->pipe & DRM_I915_VBLANK_PIPE_B) - enable_mask |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT; - else - disable_mask |= I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT; - - i915_enable_irq(dev_priv, enable_mask); - i915_disable_irq(dev_priv, disable_mask); - - dev_priv->vblank_pipe = pipe->pipe; - return 0; } @@ -514,19 +632,13 @@ int i915_vblank_pipe_get(struct drm_device *dev, void *data, { drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_vblank_pipe_t *pipe = data; - u16 flag; if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } - flag = I915_READ(IMR); - pipe->pipe = 0; - if (flag & I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT) - pipe->pipe |= DRM_I915_VBLANK_PIPE_A; - if (flag & I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT) - pipe->pipe |= DRM_I915_VBLANK_PIPE_B; + pipe->pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; return 0; } @@ -540,9 +652,10 @@ int i915_vblank_swap(struct drm_device *dev, void *data, drm_i915_private_t *dev_priv = dev->dev_private; drm_i915_vblank_swap_t *swap = data; drm_i915_vbl_swap_t *vbl_swap; - unsigned int pipe, seqtype, curseq; + unsigned int pipe, seqtype, curseq, plane; unsigned long irqflags; struct list_head *list; + int ret; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __func__); @@ -560,7 +673,8 @@ int i915_vblank_swap(struct drm_device *dev, void *data, return -EINVAL; } - pipe = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; + plane = (swap->seqtype & _DRM_VBLANK_SECONDARY) ? 1 : 0; + pipe = i915_get_pipe(dev, plane); seqtype = swap->seqtype & (_DRM_VBLANK_RELATIVE | _DRM_VBLANK_ABSOLUTE); @@ -579,7 +693,14 @@ int i915_vblank_swap(struct drm_device *dev, void *data, spin_unlock_irqrestore(&dev->drw_lock, irqflags); - curseq = atomic_read(pipe ? &dev->vbl_received2 : &dev->vbl_received); + /* + * We take the ref here and put it when the swap actually completes + * in the tasklet. + */ + ret = drm_vblank_get(dev, pipe); + if (ret) + return ret; + curseq = drm_vblank_count(dev, pipe); if (seqtype == _DRM_VBLANK_RELATIVE) swap->sequence += curseq; @@ -589,6 +710,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, swap->sequence = curseq + 1; } else { DRM_DEBUG("Missed target sequence\n"); + drm_vblank_put(dev, pipe); return -EINVAL; } } @@ -599,7 +721,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, vbl_swap = list_entry(list, drm_i915_vbl_swap_t, head); if (vbl_swap->drw_id == swap->drawable && - vbl_swap->pipe == pipe && + vbl_swap->plane == plane && vbl_swap->sequence == swap->sequence) { spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags); DRM_DEBUG("Already scheduled\n"); @@ -611,6 +733,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data, if (dev_priv->swaps_pending >= 100) { DRM_DEBUG("Too many swaps queued\n"); + drm_vblank_put(dev, pipe); return -EBUSY; } @@ -618,13 +741,14 @@ int i915_vblank_swap(struct drm_device *dev, void *data, if (!vbl_swap) { DRM_ERROR("Failed to allocate memory to queue swap\n"); + drm_vblank_put(dev, pipe); return -ENOMEM; } DRM_DEBUG("\n"); vbl_swap->drw_id = swap->drawable; - vbl_swap->pipe = pipe; + vbl_swap->plane = plane; vbl_swap->sequence = swap->sequence; spin_lock_irqsave(&dev_priv->swaps_lock, irqflags); @@ -643,28 +767,32 @@ void i915_driver_irq_preinstall(struct drm_device * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - I915_WRITE(HWSTAM, 0xfffe); - I915_WRITE(IMR, 0x0); + I915_WRITE(HWSTAM, 0xeffe); + I915_WRITE(IMR, 0xffffffff); I915_WRITE(IER, 0x0); } -void i915_driver_irq_postinstall(struct drm_device * dev) +int i915_driver_irq_postinstall(struct drm_device *dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + int ret, num_pipes = 2; spin_lock_init(&dev_priv->swaps_lock); INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); dev_priv->swaps_pending = 0; - if (!dev_priv->vblank_pipe) - dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A; - /* Set initial unmasked IRQs to just the selected vblank pipes. */ dev_priv->irq_mask_reg = ~0; - if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A) - dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT; - if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B) - dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT; + + ret = drm_vblank_init(dev, num_pipes); + if (ret) + return ret; + + dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; + dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT; + dev_priv->irq_mask_reg &= ~I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT; + + dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ dev_priv->irq_mask_reg &= I915_INTERRUPT_ENABLE_MASK; @@ -673,22 +801,29 @@ void i915_driver_irq_postinstall(struct drm_device * dev) (void) I915_READ(IER); opregion_enable_asle(dev); - DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); + + return 0; } void i915_driver_irq_uninstall(struct drm_device * dev) { drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - u16 temp; + u32 temp; if (!dev_priv) return; - I915_WRITE(HWSTAM, 0xffff); - I915_WRITE(IMR, 0xffff); + dev_priv->vblank_pipe = 0; + + I915_WRITE(HWSTAM, 0xffffffff); + I915_WRITE(IMR, 0xffffffff); I915_WRITE(IER, 0x0); + temp = I915_READ(PIPEASTAT); + I915_WRITE(PIPEASTAT, temp); + temp = I915_READ(PIPEBSTAT); + I915_WRITE(PIPEBSTAT, temp); temp = I915_READ(IIR); I915_WRITE(IIR, temp); } |