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author | Philipp Zabel <p.zabel@pengutronix.de> | 2019-01-17 12:05:02 +0100 |
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committer | Philipp Zabel <p.zabel@pengutronix.de> | 2019-06-14 14:07:34 +0200 |
commit | 72bccb487fd55a3b5e753cf9f554f9980a228e8e (patch) | |
tree | 1b034fd0f2d967441e665de55f3ce40e8c232b66 /drivers | |
parent | d1fdb6d8f6a4109a4263176c84b899076a5f8008 (diff) | |
download | linux-stable-72bccb487fd55a3b5e753cf9f554f9980a228e8e.tar.gz linux-stable-72bccb487fd55a3b5e753cf9f554f9980a228e8e.tar.bz2 linux-stable-72bccb487fd55a3b5e753cf9f554f9980a228e8e.zip |
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/imx/ipuv3-plane.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 91edfe2498a6..759181982bee 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -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); |