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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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5
drivers/gpu/drm/nouveau/nv40_pm.c
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@@ -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
*/