diff options
| -rw-r--r-- | linux-core/drmP.h | 2 | ||||
| -rw-r--r-- | linux-core/drm_bo.c | 1 | ||||
| -rw-r--r-- | linux-core/drm_crtc.c | 54 | ||||
| -rw-r--r-- | linux-core/drm_crtc.h | 1 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 8 | ||||
| -rw-r--r-- | linux-core/drm_mm.c | 15 | ||||
| -rw-r--r-- | linux-core/i915_drv.c | 5 | ||||
| -rw-r--r-- | linux-core/intel_crt.c | 10 | ||||
| -rw-r--r-- | linux-core/intel_drv.h | 5 | ||||
| -rw-r--r-- | linux-core/intel_fb.c | 45 | ||||
| -rw-r--r-- | linux-core/intel_sdvo.c | 87 | ||||
| -rw-r--r-- | shared-core/i915_drv.h | 2 | ||||
| -rw-r--r-- | shared-core/i915_init.c | 38 | ||||
| -rw-r--r-- | shared-core/i915_irq.c | 246 |
14 files changed, 472 insertions, 47 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 4a0cabc3..5e674b2a 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -669,6 +669,7 @@ struct drm_driver { /* FB routines, if present */ int (*fb_probe)(struct drm_device *dev, struct drm_crtc *crtc); int (*fb_remove)(struct drm_device *dev, struct drm_crtc *crtc); + int (*fb_resize)(struct drm_device *dev, struct drm_crtc *crtc); struct drm_fence_driver *fence_driver; struct drm_bo_driver *bo_driver; @@ -1210,6 +1211,7 @@ extern int drm_mm_clean(struct drm_mm *mm); extern unsigned long drm_mm_tail_space(struct drm_mm *mm); extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); +extern void drm_mm_print(struct drm_mm *mm, const char *name); static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block) { diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index c89d6608..e4ec24e2 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -569,7 +569,6 @@ void drm_putback_buffer_objects(struct drm_device *dev) } EXPORT_SYMBOL(drm_putback_buffer_objects); - /* * Note. The caller has to register (if applicable) * and deregister fence object usage. diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index 405b54b7..fef2700a 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -396,6 +396,7 @@ void drm_crtc_probe_output_modes(struct drm_device *dev, int maxX, int maxY) drm_crtc_probe_single_output_modes(output, maxX, maxY); } } +EXPORT_SYMBOL(drm_crtc_probe_output_modes); /** * drm_crtc_set_mode - set a mode @@ -553,7 +554,8 @@ void drm_disable_unused_functions(struct drm_device *dev) crtc->funcs->dpms(crtc, DPMSModeOff); } } - +EXPORT_SYMBOL(drm_disable_unused_functions); + /** * drm_mode_probed_add - add a mode to the specified output's probed mode list * @output: output the new mode @@ -920,7 +922,7 @@ clone: } } } - +EXPORT_SYMBOL(drm_pick_crtcs); /** * drm_initial_config - setup a sane initial output configuration @@ -1107,6 +1109,54 @@ int drm_crtc_set_config(struct drm_crtc *crtc, struct drm_mode_crtc *crtc_info, } /** + * drm_hotplug_stage_two + * @dev DRM device + * @output hotpluged output + * + * LOCKING. + * Caller must hold mode config lock, function might grap struct lock. + * + * Stage two of a hotplug. + * + * RETURNS: + * Zero on success, errno on failure. + */ +int drm_hotplug_stage_two(struct drm_device *dev, struct drm_output *output) +{ + int has_config = 0; + + if (output->crtc && output->crtc->desired_mode) { + DRM_DEBUG("drm thinks that the output already has a config\n"); + has_config = 1; + } + + drm_crtc_probe_output_modes(dev, 2048, 2048); + + if (!has_config) + drm_pick_crtcs(dev); + + if (!output->crtc || !output->crtc->desired_mode) { + DRM_DEBUG("could not find a desired mode or crtc for output\n"); + return 1; + } + + /* We should realy check if there is a fb using this crtc */ + if (!has_config) + dev->driver->fb_probe(dev, output->crtc); + else { + dev->driver->fb_resize(dev, output->crtc); + + if (!drm_crtc_set_mode(output->crtc, output->crtc->desired_mode, 0, 0)) + DRM_ERROR("failed to set mode after hotplug\n"); + } + + drm_disable_unused_functions(dev); + + return 0; +} +EXPORT_SYMBOL(drm_hotplug_stage_two); + +/** * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo * @out: drm_mode_modeinfo struct to return to the user * @in: drm_display_mode to use diff --git a/linux-core/drm_crtc.h b/linux-core/drm_crtc.h index d133e0e0..54e0c000 100644 --- a/linux-core/drm_crtc.h +++ b/linux-core/drm_crtc.h @@ -579,6 +579,7 @@ extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); extern bool drm_crtc_set_mode(struct drm_crtc *crtc, struct drm_display_mode *mode, int x, int y); +extern int drm_hotplug_stage_two(struct drm_device *dev, struct drm_output *output); extern int drm_output_attach_property(struct drm_output *output, struct drm_property *property, uint64_t init_val); diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 0b9ce30a..ab02c659 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -181,6 +181,7 @@ int drm_lastclose(struct drm_device * dev) DRM_DEBUG("\n"); +/* return 0; */ /* * We can't do much about this function failing. */ @@ -195,8 +196,8 @@ int drm_lastclose(struct drm_device * dev) dev->unique_len = 0; } - if (dev->irq_enabled) - drm_irq_uninstall(dev); +/* if (dev->irq_enabled) + drm_irq_uninstall(dev); */ /* Free drawable information memory */ mutex_lock(&dev->struct_mutex); @@ -251,12 +252,13 @@ int drm_lastclose(struct drm_device * dev) drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS); } + /* list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) { if (!(r_list->map->flags & _DRM_DRIVER)) { drm_rmmap_locked(dev, r_list->map); r_list = NULL; } - } + }*/ if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) { for (i = 0; i < dev->queue_count; i++) { diff --git a/linux-core/drm_mm.c b/linux-core/drm_mm.c index 59110293..28726a65 100644 --- a/linux-core/drm_mm.c +++ b/linux-core/drm_mm.c @@ -294,3 +294,18 @@ void drm_mm_takedown(struct drm_mm * mm) } EXPORT_SYMBOL(drm_mm_takedown); + +void drm_mm_print(struct drm_mm *mm, const char *name) +{ + struct list_head *list; + const struct list_head *mm_stack = &mm->ml_entry; + struct drm_mm_node *entry; + + DRM_DEBUG("Memory usage for '%s'\n", name ? name : "unknown"); + list_for_each(list, mm_stack) { + entry = list_entry(list, struct drm_mm_node, ml_entry); + DRM_DEBUG("\t0x%08lx %li %s pages\n", entry->start, entry->size, + entry->free ? "free" : "used"); + } +} +EXPORT_SYMBOL(drm_mm_print); diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index fb4149c4..598039dc 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -541,8 +541,8 @@ static struct drm_driver driver = { DRIVER_IRQ_VBL2, .load = i915_driver_load, .unload = i915_driver_unload, - .lastclose = i915_driver_lastclose, - .preclose = i915_driver_preclose, +/* .lastclose = i915_driver_lastclose, + .preclose = i915_driver_preclose, */ .suspend = i915_suspend, .resume = i915_resume, .device_is_agp = i915_driver_device_is_agp, @@ -557,6 +557,7 @@ static struct drm_driver driver = { .get_reg_ofs = drm_core_get_reg_ofs, .fb_probe = intelfb_probe, .fb_remove = intelfb_remove, + .fb_resize = intelfb_resize, .ioctls = i915_ioctls, .fops = { .owner = THIS_MODULE, diff --git a/linux-core/intel_crt.c b/linux-core/intel_crt.c index 74e3dcd6..4be71cba 100644 --- a/linux-core/intel_crt.c +++ b/linux-core/intel_crt.c @@ -142,6 +142,7 @@ static bool intel_crt_detect_hotplug(struct drm_output *output) struct drm_device *dev = output->dev; struct drm_i915_private *dev_priv = dev->dev_private; u32 temp; +#if 1 unsigned long timeout = jiffies + msecs_to_jiffies(1000); temp = I915_READ(PORT_HOTPLUG_EN); @@ -160,6 +161,15 @@ static bool intel_crt_detect_hotplug(struct drm_output *output) return true; return false; +#else + temp = I915_READ(PORT_HOTPLUG_STAT); + DRM_DEBUG("HST 0x%08x\n", temp); + + if (temp & (1 << 8) && temp & (1 << 9)) + return true; + + return false; +#endif } static bool intel_crt_detect_ddc(struct drm_output *output) diff --git a/linux-core/intel_drv.h b/linux-core/intel_drv.h index 7de4b924..06335b18 100644 --- a/linux-core/intel_drv.h +++ b/linux-core/intel_drv.h @@ -76,7 +76,12 @@ extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, extern void intel_wait_for_vblank(struct drm_device *dev); extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe); +extern struct drm_output* intel_sdvo_find(struct drm_device *dev, int sdvoB); +extern int intel_sdvo_supports_hotplug(struct drm_output *output); +extern void intel_sdvo_set_hotplug(struct drm_output *output, int enable); + extern int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc); extern int intelfb_remove(struct drm_device *dev, struct drm_crtc *crtc); +extern int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc); #endif /* __INTEL_DRV_H__ */ diff --git a/linux-core/intel_fb.c b/linux-core/intel_fb.c index 32c7dc31..b67c0fcc 100644 --- a/linux-core/intel_fb.c +++ b/linux-core/intel_fb.c @@ -489,6 +489,46 @@ static struct fb_ops intelfb_ops = { .fb_imageblit = cfb_imageblit, //intelfb_imageblit, }; +/** + * Curretly it is assumed that the old framebuffer is reused. + * + * LOCKING + * caller should hold the mode config lock. + * + */ +int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc) +{ + struct fb_info *info; + struct drm_framebuffer *fb; + struct drm_display_mode *mode = crtc->desired_mode; + + fb = crtc->fb; + if (!fb) + return 1; + + info = fb->fbdev; + if (!info) + return 1; + + if (!mode) + return 1; + + info->var.xres = mode->hdisplay; + info->var.right_margin = mode->hsync_start - mode->hdisplay; + info->var.hsync_len = mode->hsync_end - mode->hsync_start; + info->var.left_margin = mode->htotal - mode->hsync_end; + info->var.yres = mode->vdisplay; + info->var.lower_margin = mode->vsync_start - mode->vdisplay; + info->var.vsync_len = mode->vsync_end - mode->vsync_start; + info->var.upper_margin = mode->vtotal - mode->vsync_end; + info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; + /* avoid overflow */ + info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; + + return 0; +} +EXPORT_SYMBOL(intelfb_resize); + int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc) { struct fb_info *info; @@ -512,8 +552,9 @@ int intelfb_probe(struct drm_device *dev, struct drm_crtc *crtc) } crtc->fb = fb; - fb->width = crtc->desired_mode->hdisplay; - fb->height = crtc->desired_mode->vdisplay; + /* To allow resizeing without swapping buffers */ + fb->width = 2048;/* crtc->desired_mode->hdisplay; */ + fb->height = 2048;/* crtc->desired_mode->vdisplay; */ fb->bits_per_pixel = 32; fb->pitch = fb->width * ((fb->bits_per_pixel + 1) / 8); diff --git a/linux-core/intel_sdvo.c b/linux-core/intel_sdvo.c index 7f55829b..3887df00 100644 --- a/linux-core/intel_sdvo.c +++ b/linux-core/intel_sdvo.c @@ -53,6 +53,7 @@ struct intel_sdvo_priv { struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2; struct intel_sdvo_dtd save_output_dtd[16]; u32 save_SDVOX; + int hotplug_enabled; }; /** @@ -60,7 +61,7 @@ struct intel_sdvo_priv { * SDVOB and SDVOC to work around apparent hardware issues (according to * comments in the BIOS). */ -static void intel_sdvo_write_sdvox(struct drm_output *output, u32 val) +void intel_sdvo_write_sdvox(struct drm_output *output, u32 val) { struct drm_device *dev = output->dev; struct drm_i915_private *dev_priv = dev->dev_private; @@ -69,10 +70,17 @@ static void intel_sdvo_write_sdvox(struct drm_output *output, u32 val) u32 bval = val, cval = val; int i; - if (sdvo_priv->output_device == SDVOB) + if (sdvo_priv->output_device == SDVOB) { cval = I915_READ(SDVOC); - else + + if (sdvo_priv->hotplug_enabled) + bval = bval | (1 << 26); + } else { bval = I915_READ(SDVOB); + + if (sdvo_priv->hotplug_enabled) + cval = cval | (1 << 26); + } /* * Write the registers twice for luck. Sometimes, * writing them only once doesn't appear to 'stick'. @@ -879,6 +887,78 @@ void intel_sdvo_dump(void) } +struct drm_output* intel_sdvo_find(struct drm_device *dev, int sdvoB) +{ + struct drm_output *output = 0; + struct intel_output *iout = 0; + struct intel_sdvo_priv *sdvo; + + /* find the sdvo output */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + iout = output->driver_private; + + if (iout->type != INTEL_OUTPUT_SDVO) + continue; + + sdvo = iout->dev_priv; + + if (sdvo->output_device == SDVOB && sdvoB) + return output; + + if (sdvo->output_device == SDVOC && !sdvoB) + return output; + + } + + return 0; +} + +int intel_sdvo_supports_hotplug(struct drm_output *output) +{ + u8 response[2]; + u8 status; + DRM_DEBUG("\n"); + + if (!output) + return 0; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0); + status = intel_sdvo_read_response(output, &response, 2); + + if (response[0] !=0) + return 1; + + return 0; +} + +void intel_sdvo_set_hotplug(struct drm_output *output, int on) +{ + struct intel_output *intel_output = output->driver_private; + struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv; + u8 response[2]; + u8 status; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0); + intel_sdvo_read_response(output, &response, 2); + + if (on) { + sdvo_priv->hotplug_enabled = 1; + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0); + status = intel_sdvo_read_response(output, &response, 2); + + intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2); + } else { + sdvo_priv->hotplug_enabled = 0; + + response[0] = 0; + response[1] = 0; + intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2); + } + + intel_sdvo_write_cmd(output, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0); + intel_sdvo_read_response(output, &response, 2); +} static enum drm_output_status intel_sdvo_detect(struct drm_output *output) { @@ -994,6 +1074,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device) } sdvo_priv->output_device = output_device; + sdvo_priv->hotplug_enabled = 0; intel_output->i2c_bus = i2cbus; intel_output->dev_priv = sdvo_priv; diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index d9e86de9..45b7786a 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -135,6 +135,8 @@ struct drm_i915_private { uint32_t irq_enable_reg; int irq_enabled; + struct workqueue_struct *wq; + #ifdef I915_HAVE_FENCE uint32_t flush_sequence; uint32_t flush_flags; diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c index e44cb930..3b271b17 100644 --- a/shared-core/i915_init.c +++ b/shared-core/i915_init.c @@ -249,9 +249,20 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) } DRM_DEBUG("Enabled hardware status page\n"); + dev_priv->wq = create_singlethread_workqueue("i915"); + if (dev_priv == 0) { + DRM_DEBUG("Error\n"); + } + + intel_modeset_init(dev); drm_initial_config(dev, false); + drm_mm_print(&dev->bm.man[DRM_BO_MEM_VRAM].manager, "VRAM"); + drm_mm_print(&dev->bm.man[DRM_BO_MEM_TT].manager, "TT"); + + drm_irq_install(dev); + return 0; } @@ -259,9 +270,15 @@ int i915_driver_unload(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + I915_WRITE(LP_RING + RING_LEN, 0); + + intel_modeset_cleanup(dev); + +#if 0 if (dev_priv->ring.virtual_start) { drm_core_ioremapfree(&dev_priv->ring.map, dev); } +#endif if (dev_priv->status_page_dmah) { drm_pci_free(dev, dev_priv->status_page_dmah); @@ -278,10 +295,6 @@ int i915_driver_unload(struct drm_device *dev) I915_WRITE(I915REG_HWS_PGA, 0x1ffff000); } - I915_WRITE(LP_RING + RING_LEN, 0); - - intel_modeset_cleanup(dev); - drm_mem_reg_iounmap(dev, &dev_priv->ring_buffer->mem, dev_priv->ring.virtual_start); @@ -310,20 +323,3 @@ int i915_driver_unload(struct drm_device *dev) dev->dev_private = NULL; return 0; } - -void i915_driver_lastclose(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - i915_do_cleanup_pageflip(dev); - //i915_mem_takedown(&(dev_priv->agp_heap)); - i915_dma_cleanup(dev); -} - -void i915_driver_preclose(struct drm_device *dev, struct drm_file *filp) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - //i915_mem_release(dev, filp, dev_priv->agp_heap); -} - diff --git a/shared-core/i915_irq.c b/shared-core/i915_irq.c index 4312eae2..ac5361f2 100644 --- a/shared-core/i915_irq.c +++ b/shared-core/i915_irq.c @@ -31,9 +31,12 @@ #include "i915_drm.h" #include "i915_drv.h" +#include "intel_drv.h" + #define USER_INT_FLAG (1<<1) #define VSYNC_PIPEB_FLAG (1<<5) #define VSYNC_PIPEA_FLAG (1<<7) +#define HOTPLUG_FLAG (1 << 17) #define MAX_NOPID ((u32)~0) @@ -301,27 +304,181 @@ static void i915_vblank_tasklet(struct drm_device *dev) } } +#define HOTPLUG_CMD_CRT 1 +#define HOTPLUG_CMD_SDVOB 4 +#define HOTPLUG_CMD_SDVOC 8 + +static struct drm_device *hotplug_dev; +static int hotplug_cmd = 0; +static spinlock_t hotplug_lock = SPIN_LOCK_UNLOCKED; + +static void i915_hotplug_crt(struct drm_device *dev) +{ + struct drm_output *output; + struct intel_output *iout; + + mutex_lock(&dev->mode_config.mutex); + + /* find the crt output */ + list_for_each_entry(output, &dev->mode_config.output_list, head) { + iout = output->driver_private; + if (iout->type == INTEL_OUTPUT_ANALOG) + break; + else + iout = 0; + } + + if (iout == 0) + goto unlock; + + drm_hotplug_stage_two(dev, output); + +unlock: + mutex_unlock(&dev->mode_config.mutex); +} + +static void i915_hotplug_sdvo(struct drm_device *dev, int sdvoB) +{ + struct drm_output *output = 0; + enum drm_output_status status; + + mutex_lock(&dev->mode_config.mutex); + + output = intel_sdvo_find(dev, sdvoB); + + if (!output) { + DRM_ERROR("could not find sdvo%s output\n", sdvoB ? "B" : "C"); + goto unlock; + } + + status = output->funcs->detect(output); + + if (status != output_status_connected) + DRM_DEBUG("disconnect or unkown we don't do anything then\n"); + else + drm_hotplug_stage_two(dev, output); + + /* wierd hw bug, sdvo stop sending interupts */ + intel_sdvo_set_hotplug(output, 1); + +unlock: + mutex_unlock(&dev->mode_config.mutex); +} +/* + * This code is called in a more safe envirmoent to handle the hotplugs. + * Add code here for hotplug love to userspace. + */ +static void i915_hotplug_work_func(struct work_struct *work) +{ + struct drm_device *dev = hotplug_dev; + int crt; + int sdvoB; + int sdvoC; + + spin_lock(&hotplug_lock); + crt = hotplug_cmd & HOTPLUG_CMD_CRT; + sdvoB = hotplug_cmd & HOTPLUG_CMD_SDVOB; + sdvoC = hotplug_cmd & HOTPLUG_CMD_SDVOC; + hotplug_cmd = 0; + spin_unlock(&hotplug_lock); + + if (crt) + i915_hotplug_crt(dev); + + if (sdvoB) + i915_hotplug_sdvo(dev, 1); + + if (sdvoC) + i915_hotplug_sdvo(dev, 0); + +} + +static int i915_run_hotplug_tasklet(struct drm_device *dev, uint32_t stat) +{ + static DECLARE_WORK(hotplug, i915_hotplug_work_func); + struct drm_i915_private *dev_priv = dev->dev_private; + + hotplug_dev = dev; + + if (stat & CRT_HOTPLUG_INT_STATUS) { + DRM_DEBUG("CRT event\n"); + + if (stat & CRT_HOTPLUG_MONITOR_MASK) { + spin_lock(&hotplug_lock); + hotplug_cmd |= HOTPLUG_CMD_CRT; + spin_unlock(&hotplug_lock); + } else { + /* handle crt disconnects */ + } + } + + if (stat & SDVOB_HOTPLUG_INT_STATUS) { + DRM_DEBUG("sDVOB event\n"); + + spin_lock(&hotplug_lock); + hotplug_cmd |= HOTPLUG_CMD_SDVOB; + spin_unlock(&hotplug_lock); + } + + if (stat & SDVOC_HOTPLUG_INT_STATUS) { + DRM_DEBUG("sDVOC event\n"); + + spin_lock(&hotplug_lock); + hotplug_cmd |= HOTPLUG_CMD_SDVOC; + spin_unlock(&hotplug_lock); + } + + queue_work(dev_priv->wq, &hotplug); + + return 0; +} + irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) { struct drm_device *dev = (struct drm_device *) arg; struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; - u16 temp; + u32 temp = 0; + u32 temp2; u32 pipea_stats, pipeb_stats; pipea_stats = I915_READ(I915REG_PIPEASTAT); pipeb_stats = I915_READ(I915REG_PIPEBSTAT); - temp = I915_READ16(I915REG_INT_IDENTITY_R); + /* On i8xx hw the IIR and IER are 16bit on i9xx its 32bit */ + if (IS_I9XX(dev)) { + temp = I915_READ(I915REG_INT_IDENTITY_R); + } else { + temp = I915_READ16(I915REG_INT_IDENTITY_R); + } + + temp2 = temp; temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG); #if 0 + /* ugly despamification of pipeb event irq */ + if (temp & (0xFFFFFFF ^ ((1 << 5) | (1 << 7)))) { + DRM_DEBUG("IIR %08x\n", temp2); + DRM_DEBUG("MSK %08x\n", dev_priv->irq_enable_reg | USER_INT_FLAG); + DRM_DEBUG("M&I %08x\n", temp); + DRM_DEBUG("HOT %08x\n", I915_READ(PORT_HOTPLUG_STAT)); + } +#else +#if 0 DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp); #endif +#endif + if (temp == 0) return IRQ_NONE; - I915_WRITE16(I915REG_INT_IDENTITY_R, temp); - (void) I915_READ16(I915REG_INT_IDENTITY_R); + if (IS_I9XX(dev)) { + I915_WRITE(I915REG_INT_IDENTITY_R, temp); + (void) I915_READ(I915REG_INT_IDENTITY_R); + } else { + I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + (void) I915_READ16(I915REG_INT_IDENTITY_R); + } + DRM_READMEMORYBARRIER(); dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); @@ -362,6 +519,17 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) I915_VBLANK_CLEAR); } + /* for now lest just ack it */ + if (temp & (1 << 17)) { + DRM_DEBUG("Hotplug event received\n"); + + temp2 = I915_READ(PORT_HOTPLUG_STAT); + + i915_run_hotplug_tasklet(dev, temp2); + + I915_WRITE(PORT_HOTPLUG_STAT,temp2); + } + return IRQ_HANDLED; } @@ -536,6 +704,7 @@ int i915_irq_wait(struct drm_device *dev, void *data, void i915_enable_interrupt (struct drm_device *dev) { struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; + struct drm_output *o; dev_priv->irq_enable_reg = USER_INT_FLAG; @@ -544,7 +713,41 @@ void i915_enable_interrupt (struct drm_device *dev) if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B) dev_priv->irq_enable_reg |= VSYNC_PIPEB_FLAG; - I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg); + if (IS_I9XX(dev) && dev->mode_config.num_output) { + dev_priv->irq_enable_reg |= HOTPLUG_FLAG; + + /* Activate the CRT */ + I915_WRITE(PORT_HOTPLUG_EN, CRT_HOTPLUG_INT_EN); + + /* SDVOB */ + o = intel_sdvo_find(dev, 1); + if (o && intel_sdvo_supports_hotplug(o)) { + intel_sdvo_set_hotplug(o, 1); + I915_WRITE(PORT_HOTPLUG_EN, SDVOB_HOTPLUG_INT_EN); + } + + /* SDVOC */ + o = intel_sdvo_find(dev, 0); + if (o && intel_sdvo_supports_hotplug(o)) { + intel_sdvo_set_hotplug(o, 1); + I915_WRITE(PORT_HOTPLUG_EN, SDVOC_HOTPLUG_INT_EN); + } + + } + + if (IS_I9XX(dev)) { + I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg); + } else { + I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg); + } + + DRM_DEBUG("HEN %08x\n",I915_READ(PORT_HOTPLUG_EN)); + DRM_DEBUG("HST %08x\n",I915_READ(PORT_HOTPLUG_STAT)); + DRM_DEBUG("IER %08x\n",I915_READ(I915REG_INT_ENABLE_R)); + DRM_DEBUG("SDB %08x\n",I915_READ(SDVOB)); + + I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); + dev_priv->irq_enabled = 1; } @@ -749,8 +952,14 @@ void i915_driver_irq_preinstall(struct drm_device * dev) struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; I915_WRITE16(I915REG_HWSTAM, 0xeffe); - I915_WRITE16(I915REG_INT_MASK_R, 0x0); - I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); + if (IS_I9XX(dev)) { + I915_WRITE(I915REG_INT_MASK_R, 0x0); + I915_WRITE(I915REG_INT_ENABLE_R, 0x0); + } else { + I915_WRITE16(I915REG_INT_MASK_R, 0x0); + I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); + } + } void i915_driver_irq_postinstall(struct drm_device * dev) @@ -777,16 +986,27 @@ void i915_driver_irq_postinstall(struct drm_device * dev) void i915_driver_irq_uninstall(struct drm_device * dev) { struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private; - u16 temp; + u32 temp; if (!dev_priv) return; dev_priv->irq_enabled = 0; - I915_WRITE16(I915REG_HWSTAM, 0xffff); - I915_WRITE16(I915REG_INT_MASK_R, 0xffff); - I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); - temp = I915_READ16(I915REG_INT_IDENTITY_R); - I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + + if(IS_I9XX(dev)) { + I915_WRITE(I915REG_HWSTAM, 0xffffffff); + I915_WRITE(I915REG_INT_MASK_R, 0xffffffff); + I915_WRITE(I915REG_INT_ENABLE_R, 0x0); + + temp = I915_READ(I915REG_INT_IDENTITY_R); + I915_WRITE(I915REG_INT_IDENTITY_R, temp); + } else { + I915_WRITE16(I915REG_HWSTAM, 0xffff); + I915_WRITE16(I915REG_INT_MASK_R, 0xffff); + I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); + + temp = I915_READ16(I915REG_INT_IDENTITY_R); + I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + } } |