diff options
| author |   Shaohua Li <shaohua.li@intel.com> | 2009-11-18 15:15:02 +0800 |
|---|---|---|
| committer |   Eric Anholt <eric@anholt.net> | 2009-11-30 16:10:56 -0800 |
| commit | 29874f44fbcbc24b231b42c9956f8f9de9407231 (patch) | |
| tree | 22532ad33c5f265bc728e5e21a8175ce0f81f126 /drivers/gpu/drm/i915/intel_bios.c | |
| parent | drm/i915: Avoid NULL dereference with component_only tv_modes (diff) | |
| download | linux-dev-29874f44fbcbc24b231b42c9956f8f9de9407231.tar.xz linux-dev-29874f44fbcbc24b231b42c9956f8f9de9407231.zip | |
drm/i915: fix gpio register detection logic for BIOS without VBT
if no VBT is present, crt_ddc_bus will be left at 0, and cause us
to use that for the GPIO register offset. That's never a valid register
offset, so let the "undefined" value be 0 instead of -1.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
[anholt: clarified the commit message a bit]
Diffstat (limited to 'drivers/gpu/drm/i915/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_bios.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index 10806cd5e4d3..800d13bd9e6a 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -283,10 +283,6 @@ parse_general_definitions(struct drm_i915_private *dev_priv, GPIOF, }; - /* Set sensible defaults in case we can't find the general block - or it is the wrong chipset */ - dev_priv->crt_ddc_bus = -1; - general = find_section(bdb, BDB_GENERAL_DEFINITIONS); if (general) { u16 block_size = get_blocksize(general); |