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| author | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 04:10:26 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 05:28:07 +1000 |
| commit | bf0eb89859439f016a1fab4cdf737c95f36dbb2e (patch) | |
| tree | 59709bbd702fe904e63a2237d200162f90d820b4 /drivers/gpu/drm/nouveau/nouveau_bios.c | |
| parent | 2c04ae01df38f95dd3e553c85cdac670a80110f5 (diff) | |
| download | op-kernel-dev-bf0eb89859439f016a1fab4cdf737c95f36dbb2e.zip op-kernel-dev-bf0eb89859439f016a1fab4cdf737c95f36dbb2e.tar.gz | |
drm/nv50-/disp: audit and version DAC_PWR method
The full object interfaces are about to be exposed to userspace, so we
need to check for any security-related issues and version the structs
to make it easier to handle any changes we may need in the future.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bios.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bios.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c index ffdf85f..dae2c96 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bios.c +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c @@ -1397,6 +1397,7 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb, uint32_t conn, uint32_t conf, struct dcb_output *entry) { struct nouveau_drm *drm = nouveau_drm(dev); + int link = 0; entry->type = conn & 0xf; entry->i2c_index = (conn >> 4) & 0xf; @@ -1442,6 +1443,7 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb, if (conf & 0x4) entry->lvdsconf.use_power_scripts = true; entry->lvdsconf.sor.link = (conf & 0x00000030) >> 4; + link = entry->lvdsconf.sor.link; } if (conf & mask) { /* @@ -1490,17 +1492,18 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb, entry->dpconf.link_nr = 1; break; } + link = entry->dpconf.sor.link; break; case DCB_OUTPUT_TMDS: if (dcb->version >= 0x40) { entry->tmdsconf.sor.link = (conf & 0x00000030) >> 4; entry->extdev = (conf & 0x0000ff00) >> 8; + link = entry->tmdsconf.sor.link; } else if (dcb->version >= 0x30) entry->tmdsconf.slave_addr = (conf & 0x00000700) >> 8; else if (dcb->version >= 0x22) entry->tmdsconf.slave_addr = (conf & 0x00000070) >> 4; - break; case DCB_OUTPUT_EOL: /* weird g80 mobile type that "nv" treats as a terminator */ @@ -1524,6 +1527,8 @@ parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb, if (conf & 0x100000) entry->i2c_upper_default = true; + entry->hasht = (entry->location << 4) | entry->type; + entry->hashm = (entry->heads << 8) | (link << 6) | entry->or; return true; } |
