On Fri, Feb 17, 2017 at 11:17:46AM +0100, Tomasz Lis wrote:
> This fixes an old patch so it doesn't cause infinite retries:
> drm/fb: add support for tiled monitor configurations.
>
> The max count of iterations, 0xa10070f, was carefully selected based on the fact
> that it looks cool.
> ---
> drivers/gpu/drm/drm_fb_helper.c | 4 +++-
> drivers/gpu/drm/i915/intel_fbdev.c | 5 ++++-
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
Change to that file should go through dri-devel.
> index 0dd5da8..8e6c535 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -2011,7 +2011,9 @@ static bool drm_target_preferred(struct drm_fb_helper *fb_helper,
>
> if ((conn_configured & mask) != mask) {
> tile_pass++;
> - goto retry;
> + if (tile_pass < 0xa10070f)
Can we have this named? Also it could be more sensible to go with
something representing order of how many retries we want rather than
going full wizard on it?
> + goto retry;
> + DRM_ERROR("Max connector check retry count exceeded\n");
> }
> return true;
> }
--
Cheers,
Arek
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