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drm/vc4: Improve comments on vc4_plane_state members.

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Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Eric Anholt
2015-12-28 14:14:09 -08:00
parent 5443ce86fa
commit f427fb16cf
1 changed files with 6 additions and 3 deletions
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7
drivers/gpu/drm/vc4/vc4_plane.c
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@@ -26,15 +26,18 @@
struct vc4_plane_state { struct vc4_plane_state {
struct drm_plane_state base; struct drm_plane_state base;
/* System memory copy of the display list for this element, computed
* at atomic_check time.
*/
u32 *dlist; u32 *dlist;
u32 dlist_size; /* Number of dwords in allocated for the display list */ u32 dlist_size; /* Number of dwords allocated for the display list */
u32 dlist_count; /* Number of used dwords in the display list. */ u32 dlist_count; /* Number of used dwords in the display list. */
/* Offset in the dlist to pointer word 0. */ /* Offset in the dlist to pointer word 0. */
u32 pw0_offset; u32 pw0_offset;
/* Offset where the plane's dlist was last stored in the /* Offset where the plane's dlist was last stored in the
hardware at vc4_crtc_atomic_flush() time. * hardware at vc4_crtc_atomic_flush() time.
*/ */
u32 *hw_dlist; u32 *hw_dlist;
}; };