On Wed, 07 Mar 2018, a...@linux-foundation.org wrote:
> From: Andrew Morton <a...@linux-foundation.org>
> Subject: drivers/gpu/drm/i915/intel_guc_log.c: work around gcc-4.4.4 union
> initializer issue
>
> gcc-4.4.4 has problems with initalizers of anon unions.
>
> drivers/gpu/drm/i915/intel_guc_log.c: In function 'guc_log_control':
> drivers/gpu/drm/i915/intel_guc_log.c:64: error: unknown field
> 'logging_enabled' specified in initializer
>
> Work around this.
Thanks for the patch, pushed to drm-intel-next-queued.
That said, how long do we have to care about old compilers? I thought we
were converging on at the very least GCC 4.5 being required.
BR,
Jani.
>
> Fixes: 35fe703c3161 ("drm/i915/guc: Change values for i915_guc_log_control")
> Cc: Michal Wajdeczko <michal.wajdec...@intel.com>
> Cc: Sagar Arun Kamble <sagar.a.kam...@intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
> Cc: Chris Wilson <ch...@chris-wilson.co.uk>
> Signed-off-by: Andrew Morton <a...@linux-foundation.org>
> ---
>
> drivers/gpu/drm/i915/intel_guc_log.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff -puN
> drivers/gpu/drm/i915/intel_guc_log.c~drivers-gpu-drm-i915-intel_guc_logc-work-around-gcc-444-union-initializer-issue
> drivers/gpu/drm/i915/intel_guc_log.c
> ---
> a/drivers/gpu/drm/i915/intel_guc_log.c~drivers-gpu-drm-i915-intel_guc_logc-work-around-gcc-444-union-initializer-issue
> +++ a/drivers/gpu/drm/i915/intel_guc_log.c
> @@ -61,8 +61,10 @@ static int guc_log_flush(struct intel_gu
> static int guc_log_control(struct intel_guc *guc, bool enable, u32 verbosity)
> {
> union guc_log_control control_val = {
> - .logging_enabled = enable,
> - .verbosity = verbosity,
> + {
> + .logging_enabled = enable,
> + .verbosity = verbosity,
> + },
> };
> u32 action[] = {
> INTEL_GUC_ACTION_UK_LOG_ENABLE_LOGGING,
> _
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--
Jani Nikula, Intel Open Source Technology Center
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