[Bug 109959] REGRESSION: black screen with linux 5.0 when starting X

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109959

--- Comment #56 from Adam Williamson <adamw at happyassassin.net> ---
I tried a build of 5.0.6 with Mark's 'corrected' patch, but it fails to build
on i686 at least:

BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c: In function
'intel_dp_uses_max_link_params':
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c:467:43: error: parameter name
omitted
BUILDSTDERR:   467 | static bool intel_dp_uses_max_link_params(struct
intel_dp*,
BUILDSTDERR:       |                                           ^~~~~~~~~~~~~~~~
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c:471:22: error: 'intel_dp'
undeclared (first use in this function)
BUILDSTDERR:   471 |  return link_rate == intel_dp->max_link_rate &&
BUILDSTDERR:       |                      ^~~~~~~~
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c:471:22: note: each undeclared
identifier is reported only once for each function it appears in
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c: At top level:
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c:475:13: error: redefinition of
'intel_dp_uses_max_link_params'
BUILDSTDERR:   475 | static bool intel_dp_uses_max_link_params(struct intel_dp
*intel_dp,
BUILDSTDERR:       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c:467:13: note: previous definition
of 'intel_dp_uses_max_link_params' was here
BUILDSTDERR:   467 | static bool intel_dp_uses_max_link_params(struct
intel_dp*,
BUILDSTDERR:       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
BUILDSTDERR: drivers/gpu/drm/i915/intel_dp.c:467:13: warning:
'intel_dp_uses_max_link_params' defined but not used [-Wunused-function]
BUILDSTDERR: make[4]: *** [scripts/Makefile.build:277:
drivers/gpu/drm/i915/intel_dp.o] Error 1
BUILDSTDERR: make[3]: *** [scripts/Makefile.build:492: drivers/gpu/drm/i915]
Error 2
BUILDSTDERR: make[3]: *** Waiting for unfinished jobs....

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