Re: [PATCH 04/11] drm/crtc: add interface to reinitialise the legacy mode group

Todd Previte
2014-05-23T04:22:54Z

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> Dave Airlie <mailto:airlied@gmail.com>
> Tuesday, May 20, 2014 7:54 PM
> From: Dave Airlie <airlied@redhat.com>
>
> This can be called to update things after dynamic connectors/encoders
> are created/deleted.
>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
> ---
> drivers/gpu/drm/drm_crtc.c | 9 +++++++++
> include/drm/drm_crtc.h | 1 +
> 2 files changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
> index f1753e6..8bf87a6 100644
> --- a/drivers/gpu/drm/drm_crtc.c
> +++ b/drivers/gpu/drm/drm_crtc.c
> @@ -1421,6 +1421,15 @@ int drm_mode_group_init_legacy_group(struct
> drm_device *dev,
> }
> EXPORT_SYMBOL(drm_mode_group_init_legacy_group);
>
> +void drm_reinit_primary_mode_group(struct drm_device *dev)
> +{
> + drm_modeset_lock_all(dev);
> + drm_mode_group_destroy(&dev->primary->mode_group);
> + drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
> + drm_modeset_unlock_all(dev);
> +}
> +EXPORT_SYMBOL(drm_reinit_primary_mode_group);
> +
> /**
> * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
> * @out: drm_mode_modeinfo struct to return to the user
> diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
> index c6b9e8a..55bc523 100644
> --- a/include/drm/drm_crtc.h
> +++ b/include/drm/drm_crtc.h
> @@ -916,6 +916,7 @@ extern const char *drm_get_tv_select_name(int val);
> extern void drm_fb_release(struct drm_file *file_priv);
> extern int drm_mode_group_init_legacy_group(struct drm_device *dev,
> struct drm_mode_group *group);
> extern void drm_mode_group_destroy(struct drm_mode_group *group);
> +extern void drm_reinit_primary_mode_group(struct drm_device *dev);
> extern bool drm_probe_ddc(struct i2c_adapter *adapter);
> extern struct edid *drm_get_edid(struct drm_connector *connector,
> struct i2c_adapter *adapter);

Reviewed-by: Todd Previte <tprevite@gmail.com>
> Dave Airlie <mailto:airlied@gmail.com>
> Tuesday, May 20, 2014 7:54 PM
> Hey,
>
> So this set is pretty close to what I think we should be merging
> initially,
>
> Since the last set, it makes fbcon and suspend/resume work a lot better,
>
> I've also fixed a couple of bugs in -intel that make things work a lot
> better.
>
> I've bashed on this a bit using kms-flip from intel-gpu-tools, hacked
> to add 3 monitor support.
>
> It still generates a fair few i915 state checker backtraces, and some
> of them are fairly hard to work out, it might be we should just tone
> down the state checker for encoders/connectors with no actual hw backing
> them.
>
> Dave.
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

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