Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Philipp Zabel <p.zabel@pengutronix.de>
+1
+1
drivers/gpu/drm/imx/ipuv3-plane.c
+1
drivers/gpu/drm/imx/ipuv3-plane.c
···
638
638
ipu_cpmem_set_fmt(ipu_plane->ipu_ch, fb->format->format);
639
639
ipu_cpmem_set_burstsize(ipu_plane->ipu_ch, burstsize);
640
640
ipu_cpmem_set_high_priority(ipu_plane->ipu_ch);
641
+
ipu_idmac_enable_watermark(ipu_plane->ipu_ch, true);
641
642
ipu_idmac_set_double_buffer(ipu_plane->ipu_ch, 1);
642
643
ipu_cpmem_set_stride(ipu_plane->ipu_ch, fb->pitches[0]);
643
644
ipu_cpmem_set_axi_id(ipu_plane->ipu_ch, axi_id);