| Message ID | 20190412160002.16364-1-p.zabel@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/imx: enable IDMAC watermark feature | expand |
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index d7a727a6e3d7..d81b3102b488 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -639,6 +639,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, ipu_cpmem_set_fmt(ipu_plane->ipu_ch, fb->format->format); ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, burstsize); ipu_cpmem_set_high_priority(ipu_plane->ipu_ch); + ipu_idmac_enable_watermark(ipu_plane->ipu_ch, true); ipu_idmac_set_double_buffer(ipu_plane->ipu_ch, 1); ipu_cpmem_set_stride(ipu_plane->ipu_ch, fb->pitches[0]); ipu_cpmem_set_axi_id(ipu_plane->ipu_ch, axi_id);
The DMFC is configured to supply a watermark signal that can be used to temporarily increase channel priority if the FIFO runs low. Use it. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> --- drivers/gpu/drm/imx/ipuv3-plane.c | 1 + 1 file changed, 1 insertion(+)