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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c
new file mode 100644
index 000000000..1a3977037
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv36.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2010 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "priv.h"
+#include "ram.h"
+
+static void
+nv36_fb_tile_comp(struct nvkm_fb *fb, int i, u32 size, u32 flags,
+ struct nvkm_fb_tile *tile)
+{
+ u32 tiles = DIV_ROUND_UP(size, 0x40);
+ u32 tags = round_up(tiles / fb->ram->parts, 0x40);
+ if (!nvkm_mm_head(&fb->tags.mm, 0, 1, tags, tags, 1, &tile->tag)) {
+ if (flags & 2) tile->zcomp |= 0x10000000; /* Z16 */
+ else tile->zcomp |= 0x20000000; /* Z24S8 */
+ tile->zcomp |= ((tile->tag->offset ) >> 6);
+ tile->zcomp |= ((tile->tag->offset + tags - 1) >> 6) << 14;
+#ifdef __BIG_ENDIAN
+ tile->zcomp |= 0x80000000;
+#endif
+ }
+}
+
+static const struct nvkm_fb_func
+nv36_fb = {
+ .tags = nv20_fb_tags,
+ .init = nv30_fb_init,
+ .tile.regions = 8,
+ .tile.init = nv30_fb_tile_init,
+ .tile.comp = nv36_fb_tile_comp,
+ .tile.fini = nv20_fb_tile_fini,
+ .tile.prog = nv20_fb_tile_prog,
+ .ram_new = nv20_ram_new,
+};
+
+int
+nv36_fb_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_fb **pfb)
+{
+ return nvkm_fb_new_(&nv36_fb, device, type, inst, pfb);
+}