nouveau/nv50: fix linear buffer alignment for scan-out/cursors
The hardware can only scan-out linear buffers with a pitch aligned to 256. It can only use packed buffers for cursors. Signed-off-by: Simon Ser <contact@emersion.fr> Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu> Cc: mesa-stable Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8500>
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@ -342,6 +342,7 @@ nv50_miptree_create(struct pipe_screen *pscreen,
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int ret;
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union nouveau_bo_config bo_config;
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uint32_t bo_flags;
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unsigned pitch_align;
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if (!mt)
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return NULL;
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@ -370,10 +371,17 @@ nv50_miptree_create(struct pipe_screen *pscreen,
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} else
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if (bo_config.nv50.memtype != 0) {
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nv50_miptree_init_layout_tiled(mt);
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} else
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if (!nv50_miptree_init_layout_linear(mt, 64)) {
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FREE(mt);
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return NULL;
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} else {
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if (pt->usage & PIPE_BIND_CURSOR)
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pitch_align = 1;
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else if (pt->usage & PIPE_BIND_SCANOUT)
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pitch_align = 256;
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else
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pitch_align = 64;
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if (!nv50_miptree_init_layout_linear(mt, pitch_align)) {
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FREE(mt);
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return NULL;
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}
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}
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bo_config.nv50.tile_mode = mt->level[0].tile_mode;
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