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| author | Daniel Vetter | 2015-02-22 12:24:20 +0100 |
|---|---|---|
| committer | Daniel Vetter | 2015-02-24 01:58:15 +0100 |
| commit | c982bd90f58681d00363538167477e60e2c8f731 (patch) | |
| tree | 6d3cac32ad69bbdcba76535daa52fd4d1d4114b6 /drivers | |
| parent | drm/atomic-helper: Rename commmit_post/pre_planes (diff) | |
| download | kernel-qcow2-linux-c982bd90f58681d00363538167477e60e2c8f731.tar.gz kernel-qcow2-linux-c982bd90f58681d00363538167477e60e2c8f731.tar.xz kernel-qcow2-linux-c982bd90f58681d00363538167477e60e2c8f731.zip | |
drm/atomic-helpers: make mode_set hooks optional
With runtime PM the hw might still be off while doing the ->mode_set
callbacks - runtime PM get/put should only happen in the
enable/disable hooks to properly support DPMS. Which essentially makes
these callbacks useless for drivers support runtime PM, so make them
optional. Again motivated by discussions with Laurent.
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 9c528bbcd8d2..28aa87510551 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -723,7 +723,7 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) funcs = crtc->helper_private; - if (crtc->state->enable) { + if (crtc->state->enable && funcs->mode_set_nofb) { DRM_DEBUG_ATOMIC("modeset on [CRTC:%d]\n", crtc->base.id); @@ -759,7 +759,8 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) * Each encoder has at most one connector (since we always steal * it away), so we won't call call mode_set hooks twice. */ - funcs->mode_set(encoder, mode, adjusted_mode); + if (funcs->mode_set) + funcs->mode_set(encoder, mode, adjusted_mode); if (encoder->bridge && encoder->bridge->funcs->mode_set) encoder->bridge->funcs->mode_set(encoder->bridge, |