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path: root/drivers/gpu/drm/vc4/vc4_render_cl.c
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Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_render_cl.c')
-rw-r--r--drivers/gpu/drm/vc4/vc4_render_cl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_render_cl.c b/drivers/gpu/drm/vc4/vc4_render_cl.c
index 5cdd003605f5..4339471f517f 100644
--- a/drivers/gpu/drm/vc4/vc4_render_cl.c
+++ b/drivers/gpu/drm/vc4/vc4_render_cl.c
@@ -24,6 +24,10 @@
/**
* DOC: Render command list generation
*
+ * In the V3D hardware, render command lists are what load and store
+ * tiles of a framebuffer and optionally call out to binner-generated
+ * command lists to do the 3D drawing for that tile.
+ *
* In the VC4 driver, render command list generation is performed by the
* kernel instead of userspace. We do this because validating a
* user-submitted command list is hard to get right and has high CPU overhead,