Hi Simon,
Le mar. 30 mars 2021 à 7:23, Simon Ser <contact@xxxxxxxxxxx> a écrit :
It should have been an OVERLAY from the beginning. The documentation
stipulates that there should be an unique PRIMARY plane per CRTC.
Thanks for the quick patch! One comment below…
Fixes: fc1acf317b01 ("drm/ingenic: Add support for the IPU")
Cc: <stable@xxxxxxxxxxxxxxx> # 5.8+
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 11 +++++------
drivers/gpu/drm/ingenic/ingenic-ipu.c | 2 +-
2 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index 29742ec5ab95..09225b770bb8 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -419,7 +419,7 @@ static void ingenic_drm_plane_enable(struct
ingenic_drm *priv,
unsigned int en_bit;
if (priv->soc_info->has_osd) {
- if (plane->type == DRM_PLANE_TYPE_PRIMARY)
+ if (plane != &priv->f0)
I don't know about this driver but… is this really the same as the
previous
condition? The previous condition would match two planes, this one
seems to
match only a single plane. What am I missing?
There are three planes, which we will call here f0, f1, and ipu.
Previously, the "plane->type == DRM_PLANE_TYPE_PRIMARY" matched f1 and
ipu. Since ipu is now OVERLAY we have to change the condition or the
behaviour will be different, as otherwise it would only match the f1
plane.
Cheers,
-Paul
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