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authorHans de Goede <[email protected]>2015-08-12 13:39:42 +0200
committerIlia Mirkin <[email protected]>2015-09-04 16:07:08 -0400
commit3329703eb116a7ad73bc694356b43e014532240b (patch)
tree92f06c5b08b98e3b79cf4ac3d3c619b1117830b3 /docs/relnotes/6.3
parent48de40ce9c45de154965490843f9e50407970c26 (diff)
nv30: Fix creation of scanout buffers
Scanout buffers on nv30 must always be non-swizzled and have special width alignment constraints. These constrains have been taken from the xf86-video-nouveau src/nv_accel_common.c: nouveau_allocate_surface() function. nouveau_allocate_surface() applies these width constraints only when a tiled attribute is set, which it sets for all surfaces allocated via dri, and this "tiling" is not the same as swizzling, scanout surfaces must be linear / have a uniform_pitch or only complete garbage is shown. This commit fixes dri3 on nv30 showing a garbled display, with dri3 the scanout buffers are allocated by mesa, rather then by the ddx, and the wrong stride of these buffers was causing the garbled display. Cc: "10.6 11.0" <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Reviewed-by: Ilia Mirkin <[email protected]>
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