diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 2566e4dbe92ee0a06b068b4400b8089391036763..cd3c2013ea705ffb155d6c017c860c343506a1bc 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -30,6 +30,7 @@ #include <video/imx-ipu-v3.h> #include "imx-drm.h" +#include "ipuv3-plane.h" #define MAX_CRTC 4 @@ -122,6 +123,10 @@ static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = { static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; + struct drm_plane *plane; + struct drm_plane_state *old_plane_state; + bool plane_disabling = false; + int i; drm_atomic_helper_commit_modeset_disables(dev, state); @@ -131,6 +136,19 @@ static void imx_drm_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_commit_modeset_enables(dev, state); + for_each_plane_in_state(state, plane, old_plane_state, i) { + if (drm_atomic_plane_disabling(old_plane_state, plane->state)) + plane_disabling = true; + } + + if (plane_disabling) { + drm_atomic_helper_wait_for_vblanks(dev, state); + + for_each_plane_in_state(state, plane, old_plane_state, i) + ipu_plane_disable_deferred(plane); + + } + drm_atomic_helper_commit_hw_done(state); } diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index a3f2843b78cd8b35f2da6f5e8196b6f93a561481..82772b8d6321698090e29da6957fe94b2c62299f 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -60,6 +60,26 @@ static void ipu_crtc_enable(struct drm_crtc *crtc) ipu_di_enable(ipu_crtc->di); } +static void ipu_crtc_disable_planes(struct ipu_crtc *ipu_crtc, + struct drm_crtc_state *old_crtc_state) +{ + bool disable_partial = false; + bool disable_full = false; + struct drm_plane *plane; + + drm_atomic_crtc_state_for_each_plane(plane, old_crtc_state) { + if (plane == &ipu_crtc->plane[0]->base) + disable_full = true; + if (&ipu_crtc->plane[1] && plane == &ipu_crtc->plane[1]->base) + disable_partial = true; + } + + if (disable_partial) + ipu_plane_disable(ipu_crtc->plane[1], true); + if (disable_full) + ipu_plane_disable(ipu_crtc->plane[0], false); +} + static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { @@ -73,7 +93,7 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, * attached IDMACs will be left in undefined state, possibly hanging * the IPU or even system. */ - drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); + ipu_crtc_disable_planes(ipu_crtc, old_crtc_state); ipu_dc_disable(ipu); spin_lock_irq(&crtc->dev->event_lock); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 55991d46ced501d13d0db2fd5d72fb4ab54bbfd0..a37735298615e8558f9f7f1ba1fe118f0928a6f9 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -172,23 +172,30 @@ static void ipu_plane_enable(struct ipu_plane *ipu_plane) ipu_dp_enable_channel(ipu_plane->dp); } -static int ipu_disable_plane(struct drm_plane *plane) +void ipu_plane_disable(struct ipu_plane *ipu_plane, bool disable_dp_channel) { - struct ipu_plane *ipu_plane = to_ipu_plane(plane); - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); ipu_idmac_wait_busy(ipu_plane->ipu_ch, 50); - if (ipu_plane->dp) - ipu_dp_disable_channel(ipu_plane->dp, true); + if (ipu_plane->dp && disable_dp_channel) + ipu_dp_disable_channel(ipu_plane->dp, false); ipu_idmac_disable_channel(ipu_plane->ipu_ch); ipu_dmfc_disable_channel(ipu_plane->dmfc); if (ipu_plane->dp) ipu_dp_disable(ipu_plane->ipu); +} - return 0; +void ipu_plane_disable_deferred(struct drm_plane *plane) +{ + struct ipu_plane *ipu_plane = to_ipu_plane(plane); + + if (ipu_plane->disabling) { + ipu_plane->disabling = false; + ipu_plane_disable(ipu_plane, false); + } } +EXPORT_SYMBOL_GPL(ipu_plane_disable_deferred); static void ipu_plane_destroy(struct drm_plane *plane) { @@ -356,7 +363,11 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, static void ipu_plane_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { - ipu_disable_plane(plane); + struct ipu_plane *ipu_plane = to_ipu_plane(plane); + + if (ipu_plane->dp) + ipu_dp_disable_channel(ipu_plane->dp, true); + ipu_plane->disabling = true; } static void ipu_plane_atomic_update(struct drm_plane *plane, diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h index 338b88a74eb6e06fc94db173c7cac0be8700f758..0e2a723ff9816d32bb8d1ccf6b2c4e9d591d9b9d 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.h +++ b/drivers/gpu/drm/imx/ipuv3-plane.h @@ -23,6 +23,8 @@ struct ipu_plane { int dma; int dp_flow; + + bool disabling; }; struct ipu_plane *ipu_plane_init(struct drm_device *dev, struct ipu_soc *ipu, @@ -42,4 +44,7 @@ void ipu_plane_put_resources(struct ipu_plane *plane); int ipu_plane_irq(struct ipu_plane *plane); +void ipu_plane_disable(struct ipu_plane *ipu_plane, bool disable_dp_channel); +void ipu_plane_disable_deferred(struct drm_plane *plane); + #endif diff --git a/drivers/gpu/ipu-v3/ipu-dp.c b/drivers/gpu/ipu-v3/ipu-dp.c index 0e09c98248a0d68a88df821dd11acdfb0def8f01..9b2b3fa479c462d1c4d7b8b02180ad22eb20a715 100644 --- a/drivers/gpu/ipu-v3/ipu-dp.c +++ b/drivers/gpu/ipu-v3/ipu-dp.c @@ -277,9 +277,6 @@ void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync) writel(0, flow->base + DP_FG_POS); ipu_srm_dp_update(priv->ipu, sync); - if (ipu_idmac_channel_busy(priv->ipu, IPUV3_CHANNEL_MEM_BG_SYNC)) - ipu_wait_interrupt(priv->ipu, IPU_IRQ_DP_SF_END, 50); - mutex_unlock(&priv->mutex); } EXPORT_SYMBOL_GPL(ipu_dp_disable_channel);