diff options
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_pipe.c')
-rw-r--r-- | drivers/media/platform/vsp1/vsp1_pipe.c | 54 |
1 files changed, 44 insertions, 10 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.c b/drivers/media/platform/vsp1/vsp1_pipe.c index 05d4c3870cff..36aa825b5ce6 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.c +++ b/drivers/media/platform/vsp1/vsp1_pipe.c @@ -11,6 +11,7 @@ * (at your option) any later version. */ +#include <linux/delay.h> #include <linux/list.h> #include <linux/sched.h> #include <linux/wait.h> @@ -20,6 +21,7 @@ #include "vsp1.h" #include "vsp1_bru.h" +#include "vsp1_dl.h" #include "vsp1_entity.h" #include "vsp1_pipe.h" #include "vsp1_rwpf.h" @@ -197,8 +199,12 @@ void vsp1_pipeline_run(struct vsp1_pipeline *pipe) { struct vsp1_device *vsp1 = pipe->output->entity.vsp1; - vsp1_write(vsp1, VI6_CMD(pipe->output->entity.index), VI6_CMD_STRCMD); - pipe->state = VSP1_PIPELINE_RUNNING; + if (pipe->state == VSP1_PIPELINE_STOPPED) { + vsp1_write(vsp1, VI6_CMD(pipe->output->entity.index), + VI6_CMD_STRCMD); + pipe->state = VSP1_PIPELINE_RUNNING; + } + pipe->buffers_ready = 0; } @@ -220,14 +226,28 @@ int vsp1_pipeline_stop(struct vsp1_pipeline *pipe) unsigned long flags; int ret; - spin_lock_irqsave(&pipe->irqlock, flags); - if (pipe->state == VSP1_PIPELINE_RUNNING) - pipe->state = VSP1_PIPELINE_STOPPING; - spin_unlock_irqrestore(&pipe->irqlock, flags); + if (pipe->dl) { + /* When using display lists in continuous frame mode the only + * way to stop the pipeline is to reset the hardware. + */ + ret = vsp1_reset_wpf(pipe->output->entity.vsp1, + pipe->output->entity.index); + if (ret == 0) { + spin_lock_irqsave(&pipe->irqlock, flags); + pipe->state = VSP1_PIPELINE_STOPPED; + spin_unlock_irqrestore(&pipe->irqlock, flags); + } + } else { + /* Otherwise just request a stop and wait. */ + spin_lock_irqsave(&pipe->irqlock, flags); + if (pipe->state == VSP1_PIPELINE_RUNNING) + pipe->state = VSP1_PIPELINE_STOPPING; + spin_unlock_irqrestore(&pipe->irqlock, flags); - ret = wait_event_timeout(pipe->wq, vsp1_pipeline_stopped(pipe), - msecs_to_jiffies(500)); - ret = ret == 0 ? -ETIMEDOUT : 0; + ret = wait_event_timeout(pipe->wq, vsp1_pipeline_stopped(pipe), + msecs_to_jiffies(500)); + ret = ret == 0 ? -ETIMEDOUT : 0; + } list_for_each_entry(entity, &pipe->entities, list_pipe) { if (entity->route && entity->route->reg) @@ -251,6 +271,12 @@ bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe) return pipe->buffers_ready == mask; } +void vsp1_pipeline_display_start(struct vsp1_pipeline *pipe) +{ + if (pipe->dl) + vsp1_dl_irq_display_start(pipe->dl); +} + void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe) { enum vsp1_pipeline_state state; @@ -259,13 +285,21 @@ void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe) if (pipe == NULL) return; + if (pipe->dl) + vsp1_dl_irq_frame_end(pipe->dl); + /* Signal frame end to the pipeline handler. */ pipe->frame_end(pipe); spin_lock_irqsave(&pipe->irqlock, flags); state = pipe->state; - pipe->state = VSP1_PIPELINE_STOPPED; + + /* When using display lists in continuous frame mode the pipeline is + * automatically restarted by the hardware. + */ + if (!pipe->dl) + pipe->state = VSP1_PIPELINE_STOPPED; /* If a stop has been requested, mark the pipeline as stopped and * return. |