diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-02-03 13:10:49 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-24 23:44:56 +0300 |
| commit | c7ca4d1b6b529dac9de9ff3f951689f2e4365cc2 (patch) | |
| tree | ffd03ef34616457984ae2fd11d56b8e93f55143e /drivers/gpu | |
| parent | 8348f36d89d1c9630580932931aca51b6069097a (diff) | |
| download | linux-c7ca4d1b6b529dac9de9ff3f951689f2e4365cc2.tar.xz | |
drm/nouveau: make vbios parser runnable from an atomic context
The nv50 display isr bh needs to be converted to a tasklet, which means
we can't sleep anymore. The places we execute vbios init tables are
rare, and not in any way performance critical, so this isn't a huge
problem.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.h | 2 |
2 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index 6bdab891c64e..7b7a18493b46 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -282,7 +282,7 @@ static void still_alive(void) { #if 0 sync(); - msleep(2); + mdelay(2); #endif } @@ -1904,7 +1904,7 @@ init_condition_time(struct nvbios *bios, uint16_t offset, BIOSLOG(bios, "0x%04X: " "Condition not met, sleeping for 20ms\n", offset); - msleep(20); + mdelay(20); } } @@ -1938,7 +1938,7 @@ init_ltime(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) BIOSLOG(bios, "0x%04X: Sleeping for 0x%04X milliseconds\n", offset, time); - msleep(time); + mdelay(time); return 3; } @@ -2962,7 +2962,7 @@ init_time(struct nvbios *bios, uint16_t offset, struct init_exec *iexec) if (time < 1000) udelay(time); else - msleep((time + 900) / 1000); + mdelay((time + 900) / 1000); return 3; } @@ -3856,7 +3856,7 @@ static int call_lvds_manufacturer_script(struct drm_device *dev, struct dcb_entr if (script == LVDS_PANEL_OFF) { /* off-on delay in ms */ - msleep(ROM16(bios->data[bios->fp.xlated_entry + 7])); + mdelay(ROM16(bios->data[bios->fp.xlated_entry + 7])); } #ifdef __powerpc__ /* Powerbook specific quirks */ @@ -6702,11 +6702,11 @@ nouveau_bios_run_init_table(struct drm_device *dev, uint16_t table, struct nvbios *bios = &dev_priv->vbios; struct init_exec iexec = { true, false }; - mutex_lock(&bios->lock); + spin_lock_bh(&bios->lock); bios->display.output = dcbent; parse_init_table(bios, table, &iexec); bios->display.output = NULL; - mutex_unlock(&bios->lock); + spin_unlock_bh(&bios->lock); } static bool NVInitVBIOS(struct drm_device *dev) @@ -6715,7 +6715,7 @@ static bool NVInitVBIOS(struct drm_device *dev) struct nvbios *bios = &dev_priv->vbios; memset(bios, 0, sizeof(struct nvbios)); - mutex_init(&bios->lock); + spin_lock_init(&bios->lock); bios->dev = dev; if (!NVShadowVBIOS(dev, bios->data)) diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h index 50a648e01c49..8a54fa7edf5c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.h +++ b/drivers/gpu/drm/nouveau/nouveau_bios.h @@ -251,7 +251,7 @@ struct nvbios { uint8_t digital_min_front_porch; bool fp_no_ddc; - struct mutex lock; + spinlock_t lock; uint8_t data[NV_PROM_SIZE]; unsigned int length; |