Make sure we don't accept more inputs than the hardware can handle. This is a temporary fix to avoid display stall, we need to instead allocate the BRU or BRS to display pipelines dynamically based on the number of planes they each use. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> --- drivers/media/platform/vsp1/vsp1_drm.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c index 7ce69f23f50a..ac85942162c1 100644 --- a/drivers/media/platform/vsp1/vsp1_drm.c +++ b/drivers/media/platform/vsp1/vsp1_drm.c @@ -530,6 +530,15 @@ void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index) struct vsp1_rwpf *rpf = vsp1->rpf[i]; unsigned int j; + /* + * Make sure we don't accept more inputs than the hardware can + * handle. This is a temporary fix to avoid display stall, we + * need to instead allocate the BRU or BRS to display pipelines + * dynamically based on the number of planes they each use. + */ + if (pipe->num_inputs >= pipe->bru->source_pad) + pipe->inputs[i] = NULL; + if (!pipe->inputs[i]) continue; -- Regards, Laurent Pinchart
