Hi,
When importing an handle (src/gallium/drivers/radeon/r600_texture.c),
the RADEON_SURF_SCANOUT flag is always set on SI.
The code is associated with a comment: /* always set the scanout flags
on SI */
I was getting bad tiling mode on Wayland with my radeonsi card, and
recent Mesa,
and I discovered that setting this flag there was causing my tiling issue.
I think one possible reason for this code is X dri2, since the DDX
allocates
the buffers with this flag.
Could this flag be passed via buffer_get_tiling?
If not, then there would probably need to force this flag when creating
a resource on SI.
But ideally, if it makes a performance difference, we would like to be
able to control that
with Wayland when allocating the buffers.
Axel Davy
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