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Commit 72bccb48 authored by Philipp Zabel's avatar Philipp Zabel
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drm/imx: enable IDMAC watermark feature 



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: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent d1fdb6d8

drivers/gpu/drm/imx/ipuv3-plane.c

+1 −0
Original line number Diff line number Diff line
@@ -638,6 +638,7 @@ 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);