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intel: Load the driver even if I915_PARAM_REVISION is not found.

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This param is only available starting on kernel 4.1. Use a default
value of 0 if it is not found instead.

v2: Update commit message (Lionel)

Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Mark Janes <mark.a.janes@intel.com>
Fixes: 96e1c945f2 ("i965: Move device info initialization to common
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3727>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3727>
(cherry picked from commit 4aa7af9e9a)
This commit is contained in:
Rafael Antognolli 2019-08-19 12:28:55 -07:00 • committed by Dylan Baker
parent 4656d2d30a
commit 10a0b602b4
2 changed files with 2 additions and 2 deletions
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2
.pick_status.json
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@ -292,7 +292,7 @@
"description": "intel: Load the driver even if I915_PARAM_REVISION is not found.",
"nominated": true,
"nomination_type": 1,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": "96e1c945f2bc4047a603753ae10fc4f27754361c"
},

2
src/intel/dev/gen_device_info.c
View file

@ -1421,7 +1421,7 @@ gen_get_device_info_from_fd(int fd, struct gen_device_info *devinfo)
return false;
if (!getparam(fd, I915_PARAM_REVISION, &devinfo->revision))
return false;
devinfo->revision = 0;
if (!query_topology(devinfo, fd)) {
if (devinfo->gen >= 10) {