diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 65b9adf5777c19b3ceea7c6228ff4cb15ca4f1ca..9c528bbcd8d25965bb095c408d56ec050bf0bb0b 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -768,34 +768,44 @@ crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state) } /** - * drm_atomic_helper_commit_pre_planes - modeset commit before plane updates + * drm_atomic_helper_commit_modeset_disables - modeset commit to disable outputs * @dev: DRM device * @old_state: atomic state object with old state structures * - * This function commits the modeset changes that need to be committed before - * updating planes. It shuts down all the outputs that need to be shut down and + * This function shuts down all the outputs that need to be shut down and * prepares them (if required) with the new mode. + * + * For compatability with legacy crtc helpers this should be called before + * drm_atomic_helper_commit_planes(), which is what the default commit function + * does. But drivers with different needs can group the modeset commits together + * and do the plane commits at the end. This is useful for drivers doing runtime + * PM since planes updates then only happen when the CRTC is actually enabled. */ -void drm_atomic_helper_commit_pre_planes(struct drm_device *dev, - struct drm_atomic_state *old_state) +void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, + struct drm_atomic_state *old_state) { disable_outputs(dev, old_state); set_routing_links(dev, old_state); crtc_set_mode(dev, old_state); } -EXPORT_SYMBOL(drm_atomic_helper_commit_pre_planes); +EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_disables); /** - * drm_atomic_helper_commit_post_planes - modeset commit after plane updates + * drm_atomic_helper_commit_modeset_enables - modeset commit to enable outputs * @dev: DRM device * @old_state: atomic state object with old state structures * - * This function commits the modeset changes that need to be committed after - * updating planes: It enables all the outputs with the new configuration which - * had to be turned off for the update. + * This function enables all the outputs with the new configuration which had to + * be turned off for the update. + * + * For compatability with legacy crtc helpers this should be called after + * drm_atomic_helper_commit_planes(), which is what the default commit function + * does. But drivers with different needs can group the modeset commits together + * and do the plane commits at the end. This is useful for drivers doing runtime + * PM since planes updates then only happen when the CRTC is actually enabled. */ -void drm_atomic_helper_commit_post_planes(struct drm_device *dev, - struct drm_atomic_state *old_state) +void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, + struct drm_atomic_state *old_state) { int ncrtcs = old_state->dev->mode_config.num_crtc; int i; @@ -861,7 +871,7 @@ void drm_atomic_helper_commit_post_planes(struct drm_device *dev, encoder->bridge->funcs->enable(encoder->bridge); } } -EXPORT_SYMBOL(drm_atomic_helper_commit_post_planes); +EXPORT_SYMBOL(drm_atomic_helper_commit_modeset_enables); static void wait_for_fences(struct drm_device *dev, struct drm_atomic_state *state) @@ -1030,11 +1040,11 @@ int drm_atomic_helper_commit(struct drm_device *dev, wait_for_fences(dev, state); - drm_atomic_helper_commit_pre_planes(dev, state); + drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_planes(dev, state); - drm_atomic_helper_commit_post_planes(dev, state); + drm_atomic_helper_commit_modeset_enables(dev, state); drm_atomic_helper_wait_for_vblanks(dev, state); diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 19a9dd5408f35ee14998c6aeef9a9bf2af50aa51..011b8960fd75baab5fda39d768257625345bde7a 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -134,9 +134,9 @@ int intel_atomic_commit(struct drm_device *dev, * FIXME: The proper sequence here will eventually be: * * drm_atomic_helper_swap_state(dev, state) - * drm_atomic_helper_commit_pre_planes(dev, state); + * drm_atomic_helper_commit_modeset_disables(dev, state); * drm_atomic_helper_commit_planes(dev, state); - * drm_atomic_helper_commit_post_planes(dev, state); + * drm_atomic_helper_commit_modeset_enables(dev, state); * drm_atomic_helper_wait_for_vblanks(dev, state); * drm_atomic_helper_cleanup_planes(dev, state); * drm_atomic_state_free(state); diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 871aa2108dc694795e74f2b308031c849ad1a966..7c412292a0ffc66861a1115f9aa590ace903c5f6 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -96,11 +96,11 @@ static void complete_commit(struct msm_commit *c) kms->funcs->prepare_commit(kms, state); - drm_atomic_helper_commit_pre_planes(dev, state); + drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_planes(dev, state); - drm_atomic_helper_commit_post_planes(dev, state); + drm_atomic_helper_commit_modeset_enables(dev, state); /* NOTE: _wait_for_vblanks() only waits for vblank on * enabled CRTCs. So we end up faulting when disabling diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 7dd328d77996f77101d77e43f41049c66202bfcd..5f1880766110455034db47d1e21f4e89c7d13e3e 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -55,9 +55,9 @@ static void tegra_atomic_complete(struct tegra_drm *tegra, * current layout. */ - drm_atomic_helper_commit_pre_planes(drm, state); + drm_atomic_helper_commit_modeset_disables(drm, state); drm_atomic_helper_commit_planes(drm, state); - drm_atomic_helper_commit_post_planes(drm, state); + drm_atomic_helper_commit_modeset_enables(drm, state); drm_atomic_helper_wait_for_vblanks(drm, state); diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 8039d54a7441276f8fb529d42c0c0bfc35bfb192..829280b56874a4057f8c509739bb04f6466d4272 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -43,9 +43,9 @@ int drm_atomic_helper_commit(struct drm_device *dev, void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state); -void drm_atomic_helper_commit_pre_planes(struct drm_device *dev, - struct drm_atomic_state *state); -void drm_atomic_helper_commit_post_planes(struct drm_device *dev, +void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, + struct drm_atomic_state *state); +void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, struct drm_atomic_state *old_state); int drm_atomic_helper_prepare_planes(struct drm_device *dev,