From 69a8a1961c7bf59b70ec958f8a408ba448fe62a9 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Thu, 5 Jul 2018 22:00:10 +0300 Subject: drm: Skip __drm_mode_set_config_internal() on atomic drivers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Everything (apart from the actual ->set_config() call) __drm_mode_set_config_internal() does is now useless on atomic drivers. So let's just skip all the foreplay. v2: Use drm_drv_uses_atomic_modeset() (Daniel) Signed-off-by: Ville Syrjälä Reviewed-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20180705190010.19836-1-ville.syrjala@linux.intel.com --- drivers/gpu/drm/drm_crtc.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm') diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index a6906c4ab880..bae43938c8f6 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -461,6 +461,8 @@ static int __drm_mode_set_config_internal(struct drm_mode_set *set, struct drm_crtc *tmp; int ret; + WARN_ON(drm_drv_uses_atomic_modeset(crtc->dev)); + /* * NOTE: ->set_config can also disable other crtcs (if we steal all * connectors from it), hence we need to refcount the fbs across all @@ -478,10 +480,8 @@ static int __drm_mode_set_config_internal(struct drm_mode_set *set, if (ret == 0) { struct drm_plane *plane = crtc->primary; - if (!plane->state) { - plane->crtc = fb ? crtc : NULL; - plane->fb = fb; - } + plane->crtc = fb ? crtc : NULL; + plane->fb = fb; } drm_for_each_crtc(tmp, crtc->dev) { @@ -496,6 +496,7 @@ static int __drm_mode_set_config_internal(struct drm_mode_set *set, return ret; } + /** * drm_mode_set_config_internal - helper to call &drm_mode_config_funcs.set_config * @set: modeset config to set @@ -740,7 +741,11 @@ retry: set.connectors = connector_set; set.num_connectors = crtc_req->count_connectors; set.fb = fb; - ret = __drm_mode_set_config_internal(&set, &ctx); + + if (drm_drv_uses_atomic_modeset(dev)) + ret = crtc->funcs->set_config(&set, &ctx); + else + ret = __drm_mode_set_config_internal(&set, &ctx); out: if (fb) -- cgit v1.2.3-59-g8ed1b