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drm/nouveau: Implement the vblank DRM hooks.

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Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-10-21 18:19:29 +02:00 committed by Ben Skeggs
parent 63f7fcfebd
commit 042206c0cd
8 changed files with 60 additions and 27 deletions
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27
drivers/gpu/drm/nouveau/nouveau_display.c
View file

@ -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);
}

4
drivers/gpu/drm/nouveau/nouveau_drv.c
View file

@ -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

4
drivers/gpu/drm/nouveau/nouveau_drv.h
View file

@ -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);

5
drivers/gpu/drm/nouveau/nouveau_hw.c
View file

@ -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);
}

8
drivers/gpu/drm/nouveau/nouveau_irq.c
View file

@ -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

14
drivers/gpu/drm/nouveau/nouveau_state.c
View file

@ -669,13 +669,13 @@ nouveau_card_init(struct drm_device *dev)
if (ret)
goto out_fifo;
ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1);
if (ret)
goto out_vblank;
ret = nouveau_irq_init(dev);
if (ret)
goto out_display;
ret = drm_vblank_init(dev, 0);
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);

16
drivers/gpu/drm/nouveau/nv50_display.c
View file

@ -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

9
drivers/gpu/drm/nouveau/nv50_graph.c
View file

@ -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;
}