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drm/nv40/pm: execute memory reset script from vbios

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-08-12 10:05:43 +10:00
parent 6d6538a0c3
commit 59ef9742f6
3 changed files with 16 additions and 0 deletions
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10
drivers/gpu/drm/nouveau/nouveau_bios.c
View File

@ -6776,6 +6776,16 @@ nouveau_bios_run_init_table(struct drm_device *dev, uint16_t table,
spin_unlock_bh(&bios->lock);
}
void
nouveau_bios_init_exec(struct drm_device *dev, uint16_t table)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nvbios *bios = &dev_priv->vbios;
struct init_exec iexec = { true, false };
parse_init_table(bios, table, &iexec);
}
static bool NVInitVBIOS(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;

1
drivers/gpu/drm/nouveau/nouveau_drv.h
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@ -1071,6 +1071,7 @@ extern void nouveau_bios_takedown(struct drm_device *dev);
extern int nouveau_run_vbios_init(struct drm_device *);
extern void nouveau_bios_run_init_table(struct drm_device *, uint16_t table,
struct dcb_entry *, int crtc);
extern void nouveau_bios_init_exec(struct drm_device *, uint16_t table);
extern struct dcb_gpio_entry *nouveau_bios_gpio_entry(struct drm_device *,
enum dcb_gpio_tag);
extern struct dcb_connector_table_entry *

5
drivers/gpu/drm/nouveau/nv40_pm.c
View File

@ -221,6 +221,7 @@ nv40_pm_clocks_set(struct drm_device *dev, void *pre_state)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv40_pm_state *info = pre_state;
unsigned long flags;
struct bit_entry M;
u32 crtc_mask = 0;
u8 sr1[2];
int i;
@ -310,6 +311,10 @@ nv40_pm_clocks_set(struct drm_device *dev, void *pre_state)
nv_mask(dev, 0x100210, 0x80000000, 0x80000000);
udelay(100);
/* execute memory reset script from vbios */
if (!bit_table(dev, 'M', &M))
nouveau_bios_init_exec(dev, ROM16(M.data[0]));
/* make sure we're in vblank (hopefully the same one as before), and
* then re-enable crtc memory access
*/