Den 11.05.2016 21:10, skrev Paul Bolle:
On wo, 2016-05-11 at 19:09 +0200, Daniel Vetter wrote:
On Wed, May 11, 2016 at 06:09:22PM +0200, Noralf Trønnes wrote:
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
+config DRM_SIMPLE_KMS_HELPER
+ tristate
+ depends on DRM
+ select DRM_KMS_HELPER
+ help
+ Helpers for very simple KMS drivers.
Personally not sold on piles of Kconfig knobs for tiny amounts of code
like this one. I'd just drop it. For a more elaborate argument see
http://sietch-tagr.blogspot.ch/2016/04/display-panels-are-not-special.html
Note that almost all the other helpers do not have a Kconfig option, the
only real exception is the fbdev helpers. And those have a good reason:
They'd drag in all of fbdev, and that is actually a pile of code.
Moreover, this adds a kconfig entry without a prompt. The entry also
doesn't have a "default". And I didn't spot a patch adding a select for
this symbol. So, based on just this series, I think that
DRM_SIMPLE_KMS_HELPER can't actually be set.
I didn't test this, so perhaps I missed something. Did I, Noralf?
It would have been selected in the tinydrm follow-up patchset, but
I'll do as Daniel suggests and add it to drm_kms_helper-y.
Noralf.
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