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drm/i915/bios: don't initialize fields based on vbt version
author
Jani Nikula
<jani.nikula@intel.com>
Thu, 28 Sep 2017 08:21:59 +0000
(11:21 +0300)
committer
Jani Nikula
<jani.nikula@intel.com>
Tue, 10 Oct 2017 06:05:44 +0000
(09:05 +0300)
In theory, these might clobber information for older VBT versions.
We might have to store the BDB version for later parsing, but currently
all code accessing these fields will only use them on newer platforms
with new enough BDB versions.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link:
https://patchwork.freedesktop.org/patch/msgid/0232d9cb258e8f83c4180cdb8aad1459a312ec2a.1506586821.git.jani.nikula@intel.com
drivers/gpu/drm/i915/intel_bios.c
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diff --git
a/drivers/gpu/drm/i915/intel_bios.c
b/drivers/gpu/drm/i915/intel_bios.c
index 22924612c6802b0152c23fe53c9ad4a4d8b856df..c91cdf13146556a4f1544b6f3e67c9efafbee751 100644
(file)
--- a/
drivers/gpu/drm/i915/intel_bios.c
+++ b/
drivers/gpu/drm/i915/intel_bios.c
@@
-1347,19
+1347,6
@@
parse_device_mapping(struct drm_i915_private *dev_priv,
*/
memcpy(child_dev_ptr, child,
min_t(size_t, defs->child_dev_size, sizeof(*child)));
-
- /*
- * copied full block, now init values when they are not
- * available in current version
- */
- if (bdb->version < 196) {
- /* Set default values for bits added from v196 */
- child_dev_ptr->iboost = 0;
- child_dev_ptr->hpd_invert = 0;
- }
-
- if (bdb->version < 192)
- child_dev_ptr->lspcon = 0;
}
return;
}