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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 18:14:52 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 18:14:52 (GMT) |
| commit | 59534f7298c5e28aaa64e6ed550e247f64ee72ae (patch) | |
| tree | b9fef7756abf897d9e1b10950cdf10bf6dfe5cb7 /drivers/gpu/drm/nouveau/nouveau_i2c.c | |
| parent | ac3ee84c604502240122c47b52f0542ec8774f15 (diff) | |
| parent | b486787ee4797d6e42a9bd3a6f079385ad0f4472 (diff) | |
| download | linux-fsl-qoriq-59534f7298c5e28aaa64e6ed550e247f64ee72ae.tar.xz | |
Merge branch 'drm-for-2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-for-2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (207 commits)
drm/radeon/kms/pm/r600: select the mid clock mode for single head low profile
drm/radeon: fix power supply kconfig interaction.
drm/radeon/kms: record object that have been list reserved
drm/radeon: AGP memory is only I/O if the aperture can be mapped by the CPU.
drm/radeon/kms: don't default display priority to high on rs4xx
drm/edid: fix typo in 1600x1200@75 mode
drm/nouveau: fix i2c-related init table handlers
drm/nouveau: support init table i2c device identifier 0x81
drm/nouveau: ensure we've parsed i2c table entry for INIT_*I2C* handlers
drm/nouveau: display error message for any failed init table opcode
drm/nouveau: fix init table handlers to return proper error codes
drm/nv50: support fractional feedback divider on newer chips
drm/nv50: fix monitor detection on certain chipsets
drm/nv50: store full dcb i2c entry from vbios
drm/nv50: fix suspend/resume with DP outputs
drm/nv50: output calculated crtc pll when debugging on
drm/nouveau: dump pll limits entries when debugging is on
drm/nouveau: bios parser fixes for eDP boards
drm/nouveau: fix a nouveau_bo dereference after it's been destroyed
drm/nv40: remove some completed ctxprog TODOs
...
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_i2c.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_i2c.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c index 88583e7..316a3c7 100644 --- a/drivers/gpu/drm/nouveau/nouveau_i2c.c +++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c @@ -254,16 +254,27 @@ struct nouveau_i2c_chan * nouveau_i2c_find(struct drm_device *dev, int index) { struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nvbios *bios = &dev_priv->vbios; + struct dcb_i2c_entry *i2c = &dev_priv->vbios.dcb.i2c[index]; if (index >= DCB_MAX_NUM_I2C_ENTRIES) return NULL; - if (!bios->dcb.i2c[index].chan) { - if (nouveau_i2c_init(dev, &bios->dcb.i2c[index], index)) - return NULL; + if (dev_priv->chipset >= NV_50 && (i2c->entry & 0x00000100)) { + uint32_t reg = 0xe500, val; + + if (i2c->port_type == 6) { + reg += i2c->read * 0x50; + val = 0x2002; + } else { + reg += ((i2c->entry & 0x1e00) >> 9) * 0x50; + val = 0xe001; + } + + nv_wr32(dev, reg, (nv_rd32(dev, reg) & ~0xf003) | val); } - return bios->dcb.i2c[index].chan; + if (!i2c->chan && nouveau_i2c_init(dev, i2c, index)) + return NULL; + return i2c->chan; } |