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drm/nv50/disp: move sync routine to where it can be used by other modules 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-10-14 14:35:19 +10:00
parent a4eaa0a042
commit e6e039d10d
3 changed files with 37 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/gpu/drm/nouveau/nv50_crtc.c
View File

@ -38,39 +38,6 @@
#include "nouveau_connector.h"
#include "nv50_display.h"
static int
nv50_crtc_wait_complete(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
struct nv50_display *disp = nv50_display(dev);
struct nouveau_channel *evo = disp->master;
u64 start;
int ret;
ret = RING_SPACE(evo, 6);
if (ret)
return ret;
BEGIN_RING(evo, 0, 0x0084, 1);
OUT_RING (evo, 0x80000000);
BEGIN_RING(evo, 0, 0x0080, 1);
OUT_RING (evo, 0);
BEGIN_RING(evo, 0, 0x0084, 1);
OUT_RING (evo, 0x00000000);
nv_wo32(disp->ntfy, 0x000, 0x00000000);
FIRE_RING (evo);
start = ptimer->read(dev);
do {
if (nv_ro32(disp->ntfy, 0x000))
return 0;
} while (ptimer->read(dev) - start < 2000000000ULL);
return -EBUSY;
}
static void
nv50_crtc_lut_load(struct drm_crtc *crtc)
{
@ -303,7 +270,7 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, int scaling_mode, bool update)
if (update) {
nv50_display_flip_stop(crtc);
nv50_crtc_wait_complete(crtc);
nv50_display_sync(dev);
nv50_display_flip_next(crtc, crtc->fb, NULL);
}
@ -515,7 +482,7 @@ nv50_crtc_commit(struct drm_crtc *crtc)
nv50_crtc_blank(nv_crtc, false);
drm_vblank_post_modeset(dev, nv_crtc->index);
nv50_crtc_wait_complete(crtc);
nv50_display_sync(dev);
nv50_display_flip_next(crtc, crtc->fb, NULL);
}
@ -710,7 +677,7 @@ nv50_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
if (ret)
return ret;
ret = nv50_crtc_wait_complete(crtc);
ret = nv50_display_sync(crtc->dev);
if (ret)
return ret;
@ -729,7 +696,7 @@ nv50_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
if (ret)
return ret;
return nv50_crtc_wait_complete(crtc);
return nv50_display_sync(crtc->dev);
}
static const struct drm_crtc_helper_funcs nv50_crtc_helper_funcs = {

32
drivers/gpu/drm/nouveau/nv50_display.c
View File

@ -61,6 +61,38 @@ nv50_display_late_takedown(struct drm_device *dev)
{
}
int
nv50_display_sync(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
struct nv50_display *disp = nv50_display(dev);
struct nouveau_channel *evo = disp->master;
u64 start;
int ret;
ret = RING_SPACE(evo, 6);
if (ret == 0) {
BEGIN_RING(evo, 0, 0x0084, 1);
OUT_RING (evo, 0x80000000);
BEGIN_RING(evo, 0, 0x0080, 1);
OUT_RING (evo, 0);
BEGIN_RING(evo, 0, 0x0084, 1);
OUT_RING (evo, 0x00000000);
nv_wo32(disp->ntfy, 0x000, 0x00000000);
FIRE_RING (evo);
start = ptimer->read(dev);
do {
if (nv_ro32(disp->ntfy, 0x000))
return 0;
} while (ptimer->read(dev) - start < 2000000000ULL);
}
return -EBUSY;
}
int
nv50_display_init(struct drm_device *dev)
{

1
drivers/gpu/drm/nouveau/nv50_display.h
View File

@ -73,6 +73,7 @@ void nv50_display_destroy(struct drm_device *dev);
int nv50_crtc_blank(struct nouveau_crtc *, bool blank);
int nv50_crtc_set_clock(struct drm_device *, int head, int pclk);
int nv50_display_sync(struct drm_device *);
int nv50_display_flip_next(struct drm_crtc *, struct drm_framebuffer *,
struct nouveau_channel *chan);
void nv50_display_flip_stop(struct drm_crtc *);