Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 112 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
new file mode 100644
index 000000000..59de72b38
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __DPU_RM_H__
+#define __DPU_RM_H__
+
+#include <linux/list.h>
+
+#include "msm_kms.h"
+#include "dpu_hw_top.h"
+
+struct dpu_global_state;
+
+/**
+ * struct dpu_rm - DPU dynamic hardware resource manager
+ * @pingpong_blks: array of pingpong hardware resources
+ * @mixer_blks: array of layer mixer hardware resources
+ * @ctl_blks: array of ctl hardware resources
+ * @hw_intf: array of intf hardware resources
+ * @hw_wb: array of wb hardware resources
+ * @dspp_blks: array of dspp hardware resources
+ */
+struct dpu_rm {
+	struct dpu_hw_blk *pingpong_blks[PINGPONG_MAX - PINGPONG_0];
+	struct dpu_hw_blk *mixer_blks[LM_MAX - LM_0];
+	struct dpu_hw_blk *ctl_blks[CTL_MAX - CTL_0];
+	struct dpu_hw_intf *hw_intf[INTF_MAX - INTF_0];
+	struct dpu_hw_wb *hw_wb[WB_MAX - WB_0];
+	struct dpu_hw_blk *dspp_blks[DSPP_MAX - DSPP_0];
+	struct dpu_hw_blk *merge_3d_blks[MERGE_3D_MAX - MERGE_3D_0];
+	struct dpu_hw_blk *dsc_blks[DSC_MAX - DSC_0];
+};
+
+/**
+ * dpu_rm_init - Read hardware catalog and create reservation tracking objects
+ *	for all HW blocks.
+ * @rm: DPU Resource Manager handle
+ * @cat: Pointer to hardware catalog
+ * @mmio: mapped register io address of MDP
+ * @Return: 0 on Success otherwise -ERROR
+ */
+int dpu_rm_init(struct dpu_rm *rm,
+		const struct dpu_mdss_cfg *cat,
+		void __iomem *mmio);
+
+/**
+ * dpu_rm_destroy - Free all memory allocated by dpu_rm_init
+ * @rm: DPU Resource Manager handle
+ * @Return: 0 on Success otherwise -ERROR
+ */
+int dpu_rm_destroy(struct dpu_rm *rm);
+
+/**
+ * dpu_rm_reserve - Given a CRTC->Encoder->Connector display chain, analyze
+ *	the use connections and user requirements, specified through related
+ *	topology control properties, and reserve hardware blocks to that
+ *	display chain.
+ *	HW blocks can then be accessed through dpu_rm_get_* functions.
+ *	HW Reservations should be released via dpu_rm_release_hw.
+ * @rm: DPU Resource Manager handle
+ * @drm_enc: DRM Encoder handle
+ * @crtc_state: Proposed Atomic DRM CRTC State handle
+ * @topology: Pointer to topology info for the display
+ * @Return: 0 on Success otherwise -ERROR
+ */
+int dpu_rm_reserve(struct dpu_rm *rm,
+		struct dpu_global_state *global_state,
+		struct drm_encoder *drm_enc,
+		struct drm_crtc_state *crtc_state,
+		struct msm_display_topology topology);
+
+/**
+ * dpu_rm_reserve - Given the encoder for the display chain, release any
+ *	HW blocks previously reserved for that use case.
+ * @rm: DPU Resource Manager handle
+ * @enc: DRM Encoder handle
+ * @Return: 0 on Success otherwise -ERROR
+ */
+void dpu_rm_release(struct dpu_global_state *global_state,
+		struct drm_encoder *enc);
+
+/**
+ * Get hw resources of the given type that are assigned to this encoder.
+ */
+int dpu_rm_get_assigned_resources(struct dpu_rm *rm,
+	struct dpu_global_state *global_state, uint32_t enc_id,
+	enum dpu_hw_blk_type type, struct dpu_hw_blk **blks, int blks_size);
+
+/**
+ * dpu_rm_get_intf - Return a struct dpu_hw_intf instance given it's index.
+ * @rm: DPU Resource Manager handle
+ * @intf_idx: INTF's index
+ */
+static inline struct dpu_hw_intf *dpu_rm_get_intf(struct dpu_rm *rm, enum dpu_intf intf_idx)
+{
+	return rm->hw_intf[intf_idx - INTF_0];
+}
+
+/**
+ * dpu_rm_get_wb - Return a struct dpu_hw_wb instance given it's index.
+ * @rm: DPU Resource Manager handle
+ * @wb_idx: WB index
+ */
+static inline struct dpu_hw_wb *dpu_rm_get_wb(struct dpu_rm *rm, enum dpu_wb wb_idx)
+{
+	return rm->hw_wb[wb_idx - WB_0];
+}
+
+#endif /* __DPU_RM_H__ */
+