From 042206c0cd4924879c4292c5ffa2bf1e8023ae5a Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Thu, 21 Oct 2010 18:19:29 +0200 Subject: [PATCH] drm/nouveau: Implement the vblank DRM hooks. Signed-off-by: Francisco Jerez Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_display.c | 27 +++++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_drv.c | 4 ++++ drivers/gpu/drm/nouveau/nouveau_drv.h | 4 ++++ drivers/gpu/drm/nouveau/nouveau_hw.c | 5 +++-- drivers/gpu/drm/nouveau/nouveau_irq.c | 8 +++++-- drivers/gpu/drm/nouveau/nouveau_state.c | 12 +++++----- drivers/gpu/drm/nouveau/nv50_display.c | 16 ++++++-------- drivers/gpu/drm/nouveau/nv50_graph.c | 9 +------- 8 files changed, 59 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 2e11fd65b4dd..f8987bcb7f51 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -29,6 +29,7 @@ #include "nouveau_drv.h" #include "nouveau_fb.h" #include "nouveau_fbcon.h" +#include "nouveau_hw.h" static void nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb) @@ -104,3 +105,29 @@ const struct drm_mode_config_funcs nouveau_mode_config_funcs = { .output_poll_changed = nouveau_fbcon_output_poll_changed, }; +int +nouveau_vblank_enable(struct drm_device *dev, int crtc) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->card_type >= NV_50) + nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0, + NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc)); + else + NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, + NV_PCRTC_INTR_0_VBLANK); + + return 0; +} + +void +nouveau_vblank_disable(struct drm_device *dev, int crtc) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + + if (dev_priv->card_type >= NV_50) + nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, + NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0); + else + NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0); +} diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index 15f48493d0d8..52f9307d7396 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -397,6 +397,9 @@ static struct drm_driver driver = { .irq_postinstall = nouveau_irq_postinstall, .irq_uninstall = nouveau_irq_uninstall, .irq_handler = nouveau_irq_handler, + .get_vblank_counter = drm_vblank_count, + .enable_vblank = nouveau_vblank_enable, + .disable_vblank = nouveau_vblank_disable, .reclaim_buffers = drm_core_reclaim_buffers, .ioctls = nouveau_ioctls, .fops = { @@ -407,6 +410,7 @@ static struct drm_driver driver = { .mmap = nouveau_ttm_mmap, .poll = drm_poll, .fasync = drm_fasync, + .read = drm_read, #if defined(CONFIG_COMPAT) .compat_ioctl = nouveau_compat_ioctl, #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index a356d894a2ee..7cf034fd5cd0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1312,6 +1312,10 @@ extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *, extern int nouveau_gem_ioctl_info(struct drm_device *, void *, struct drm_file *); +/* nouveau_display.c */ +int nouveau_vblank_enable(struct drm_device *dev, int crtc); +void nouveau_vblank_disable(struct drm_device *dev, int crtc); + /* nv10_gpio.c */ int nv10_gpio_get(struct drm_device *dev, enum dcb_gpio_tag tag); int nv10_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state); diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c index 979275836985..6ba640e7a7e9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hw.c +++ b/drivers/gpu/drm/nouveau/nouveau_hw.c @@ -1017,8 +1017,9 @@ nv_load_state_ext(struct drm_device *dev, int head, NVWriteCRTC(dev, head, NV_PCRTC_START, regp->fb_start); - /* Setting 1 on this value gives you interrupts for every vblank period. */ - NVWriteCRTC(dev, head, NV_PCRTC_INTR_EN_0, 0); + /* Enable vblank interrupts. */ + NVWriteCRTC(dev, head, NV_PCRTC_INTR_EN_0, + (dev->vblank_enabled[head] ? 1 : 0)); NVWriteCRTC(dev, head, NV_PCRTC_INTR_0, NV_PCRTC_INTR_0_VBLANK); } diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 17e2fa86cde7..f3ae74ef3318 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -1200,11 +1200,15 @@ nv50_pgraph_irq_handler(struct drm_device *dev) static void nouveau_crtc_irq_handler(struct drm_device *dev, int crtc) { - if (crtc & 1) + if (crtc & 1) { nv_wr32(dev, NV_CRTC0_INTSTAT, NV_CRTC_INTR_VBLANK); + drm_handle_vblank(dev, 0); + } - if (crtc & 2) + if (crtc & 2) { nv_wr32(dev, NV_CRTC1_INTSTAT, NV_CRTC_INTR_VBLANK); + drm_handle_vblank(dev, 1); + } } irqreturn_t diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index c5f29f0d18da..d72aa8d19a19 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -669,13 +669,13 @@ nouveau_card_init(struct drm_device *dev) if (ret) goto out_fifo; - ret = nouveau_irq_init(dev); + ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1); if (ret) - goto out_display; + goto out_vblank; - ret = drm_vblank_init(dev, 0); + ret = nouveau_irq_init(dev); if (ret) - goto out_irq; + goto out_vblank; /* what about PVIDEO/PCRTC/PRAMDAC etc? */ @@ -701,7 +701,8 @@ out_fence: nouveau_fence_fini(dev); out_irq: nouveau_irq_fini(dev); -out_display: +out_vblank: + drm_vblank_cleanup(dev); engine->display.destroy(dev); out_fifo: if (!nouveau_noaccel) @@ -772,6 +773,7 @@ static void nouveau_card_takedown(struct drm_device *dev) nouveau_mem_vram_fini(dev); nouveau_irq_fini(dev); + drm_vblank_cleanup(dev); nouveau_pm_fini(dev); nouveau_bios_takedown(dev); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 99871e304d10..17b950abf200 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -428,31 +428,29 @@ static void nv50_display_vblank_crtc_handler(struct drm_device *dev, int crtc) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_channel *chan; - struct list_head *entry, *tmp; - - list_for_each_safe(entry, tmp, &dev_priv->vbl_waiting) { - chan = list_entry(entry, struct nouveau_channel, nvsw.vbl_wait); + struct nouveau_channel *chan, *tmp; + list_for_each_entry_safe(chan, tmp, &dev_priv->vbl_waiting, + nvsw.vbl_wait) { nouveau_bo_wr32(chan->notifier_bo, chan->nvsw.vblsem_offset, chan->nvsw.vblsem_rval); list_del(&chan->nvsw.vbl_wait); + drm_vblank_put(dev, crtc); } + + drm_handle_vblank(dev, crtc); } static void nv50_display_vblank_handler(struct drm_device *dev, uint32_t intr) { - intr &= NV50_PDISPLAY_INTR_1_VBLANK_CRTC; - if (intr & NV50_PDISPLAY_INTR_1_VBLANK_CRTC_0) nv50_display_vblank_crtc_handler(dev, 0); if (intr & NV50_PDISPLAY_INTR_1_VBLANK_CRTC_1) nv50_display_vblank_crtc_handler(dev, 1); - nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, intr, 0x00000000); - nv_wr32(dev, NV50_PDISPLAY_INTR_1, intr); + nv_wr32(dev, NV50_PDISPLAY_INTR_1, NV50_PDISPLAY_INTR_1_VBLANK_CRTC); } static void diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c index d441308a09cf..ac7f62d524bb 100644 --- a/drivers/gpu/drm/nouveau/nv50_graph.c +++ b/drivers/gpu/drm/nouveau/nv50_graph.c @@ -384,14 +384,7 @@ nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan, if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1) return -EINVAL; - if (!(nv_rd32(dev, NV50_PDISPLAY_INTR_EN_1) & - NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(data))) { - nv_wr32(dev, NV50_PDISPLAY_INTR_1, - NV50_PDISPLAY_INTR_1_VBLANK_CRTC_(data)); - nv_mask(dev, NV50_PDISPLAY_INTR_EN_1, 0, - NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(data)); - } - + drm_vblank_get(dev, data); list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting); return 0; } -- 2.34.1