summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/vc4/vc4_drv.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_drv.h')
-rw-r--r--drivers/gpu/drm/vc4/vc4_drv.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index fefa1664a9f5..1b4cd1fabf56 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -310,6 +310,66 @@ to_vc4_plane(struct drm_plane *plane)
return (struct vc4_plane *)plane;
}
+enum vc4_scaling_mode {
+ VC4_SCALING_NONE,
+ VC4_SCALING_TPZ,
+ VC4_SCALING_PPF,
+};
+
+struct vc4_plane_state {
+ struct drm_plane_state base;
+ /* System memory copy of the display list for this element, computed
+ * at atomic_check time.
+ */
+ u32 *dlist;
+ u32 dlist_size; /* Number of dwords allocated for the display list */
+ u32 dlist_count; /* Number of used dwords in the display list. */
+
+ /* Offset in the dlist to various words, for pageflip or
+ * cursor updates.
+ */
+ u32 pos0_offset;
+ u32 pos2_offset;
+ u32 ptr0_offset;
+
+ /* Offset where the plane's dlist was last stored in the
+ * hardware at vc4_crtc_atomic_flush() time.
+ */
+ u32 __iomem *hw_dlist;
+
+ /* Clipped coordinates of the plane on the display. */
+ int crtc_x, crtc_y, crtc_w, crtc_h;
+ /* Clipped area being scanned from in the FB. */
+ u32 src_x, src_y;
+
+ u32 src_w[2], src_h[2];
+
+ /* Scaling selection for the RGB/Y plane and the Cb/Cr planes. */
+ enum vc4_scaling_mode x_scaling[2], y_scaling[2];
+ bool is_unity;
+ bool is_yuv;
+
+ /* Offset to start scanning out from the start of the plane's
+ * BO.
+ */
+ u32 offsets[3];
+
+ /* Our allocation in LBM for temporary storage during scaling. */
+ struct drm_mm_node lbm;
+
+ /* Set when the plane has per-pixel alpha content or does not cover
+ * the entire screen. This is a hint to the CRTC that it might need
+ * to enable background color fill.
+ */
+ bool needs_bg_fill;
+};
+
+static inline struct vc4_plane_state *
+to_vc4_plane_state(struct drm_plane_state *state)
+{
+ return (struct vc4_plane_state *)state;
+}
+
enum vc4_encoder_type {
VC4_ENCODER_TYPE_NONE,
VC4_ENCODER_TYPE_HDMI,