Merge tag 'drm-misc-next-2019-04-04' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.2:

UAPI Changes:
-syncobj: Add TIMELINE_WAIT|QUERY|TRANSFER|TIMELINE_SIGNAL ioctls (Chunming)
-Clarify that 1.0 can be represented by drm_color_lut (Daniel)

Cross-subsystem Changes:
-dt-bindings: Add binding for rk3066 hdmi (Johan)
-dt-bindings: Add binding for Feiyang FY07024DI26A30-D panel (Jagan)
-dt-bindings: Add Rocktech vendor prefix and jh057n00900 panel bindings (Guido)
-MAINTAINERS: Add lima and ASPEED entries (Joel & Qiang)

Core Changes:
-memory: use dma_alloc_coherent when mem encryption is active (Christian)
-dma_buf: add support for a dma_fence chain (Christian)
-shmem_gem: fix off-by-one bug in new shmem gem helpers (Dan)

Driver Changes:
-rockchip: Add support for rk3066 hdmi (Johan)
-ASPEED: Add driver supporting ASPEED BMC display controller to drm (Joel)
-lima: Add driver supporting Arm Mali4xx gpus to drm (Qiang)
-vc4/v3d: Various cleanups and improved error handling (Eric)
-panel: Add support for Feiyang FY07024DI26A30-D MIPI-DSI panel (Jagan)
-panel: Add support for Rocktech jh057n00900 MIPI-DSI panel (Guido)

Cc: Johan Jonker <jbx6244@gmail.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Chunming Zhou <david1.zhou@amd.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Eric Anholt <eric@anholt.net>
Cc: Qiang Yu <yuq825@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Guido Günther <agx@sigxcpu.org>
Cc: Joel Stanley <joel@jms.id.au>
[airlied: fixed XA limit build breakage, Rodrigo also submitted the same patch, but
I squashed it in the merge.]
Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20190404201016.GA139524@art_vandelay

6 files changed, 295 insertions, 1 deletions

diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index afbc3beef089..3a4247319e63 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -30,6 +30,7 @@
 #include <linux/printk.h>
 #include <linux/seq_file.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
 
 /**
  * DOC: print
@@ -84,6 +85,7 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
 __printf(2, 3)
 void drm_printf(struct drm_printer *p, const char *f, ...);
 void drm_puts(struct drm_printer *p, const char *str);
+void drm_print_regset32(struct drm_printer *p, struct debugfs_regset32 *regset);
 
 __printf(2, 0)
 /**
diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h
index 0311c9fdbd2f..6cf7243a1dc5 100644
--- a/include/drm/drm_syncobj.h
+++ b/include/drm/drm_syncobj.h
@@ -27,6 +27,7 @@
 #define __DRM_SYNCOBJ_H__
 
 #include <linux/dma-fence.h>
+#include <linux/dma-fence-chain.h>
 
 struct drm_file;
 
@@ -112,6 +113,10 @@ drm_syncobj_fence_get(struct drm_syncobj *syncobj)
 
 struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private,
 				     u32 handle);
+void drm_syncobj_add_point(struct drm_syncobj *syncobj,
+			   struct dma_fence_chain *chain,
+			   struct dma_fence *fence,
+			   uint64_t point);
 void drm_syncobj_replace_fence(struct drm_syncobj *syncobj,
 			       struct dma_fence *fence);
 int drm_syncobj_find_fence(struct drm_file *file_private,
diff --git a/include/linux/dma-fence-chain.h b/include/linux/dma-fence-chain.h
new file mode 100644
index 000000000000..934a442db8ac
--- /dev/null
+++ b/include/linux/dma-fence-chain.h
@@ -0,0 +1,81 @@
+/*
+ * fence-chain: chain fences together in a timeline
+ *
+ * Copyright (C) 2018 Advanced Micro Devices, Inc.
+ * Authors:
+ *	Christian König <christian.koenig@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef __LINUX_DMA_FENCE_CHAIN_H
+#define __LINUX_DMA_FENCE_CHAIN_H
+
+#include <linux/dma-fence.h>
+#include <linux/irq_work.h>
+
+/**
+ * struct dma_fence_chain - fence to represent an node of a fence chain
+ * @base: fence base class
+ * @lock: spinlock for fence handling
+ * @prev: previous fence of the chain
+ * @prev_seqno: original previous seqno before garbage collection
+ * @fence: encapsulated fence
+ * @cb: callback structure for signaling
+ * @work: irq work item for signaling
+ */
+struct dma_fence_chain {
+	struct dma_fence base;
+	spinlock_t lock;
+	struct dma_fence __rcu *prev;
+	u64 prev_seqno;
+	struct dma_fence *fence;
+	struct dma_fence_cb cb;
+	struct irq_work work;
+};
+
+extern const struct dma_fence_ops dma_fence_chain_ops;
+
+/**
+ * to_dma_fence_chain - cast a fence to a dma_fence_chain
+ * @fence: fence to cast to a dma_fence_array
+ *
+ * Returns NULL if the fence is not a dma_fence_chain,
+ * or the dma_fence_chain otherwise.
+ */
+static inline struct dma_fence_chain *
+to_dma_fence_chain(struct dma_fence *fence)
+{
+	if (!fence || fence->ops != &dma_fence_chain_ops)
+		return NULL;
+
+	return container_of(fence, struct dma_fence_chain, base);
+}
+
+/**
+ * dma_fence_chain_for_each - iterate over all fences in chain
+ * @iter: current fence
+ * @head: starting point
+ *
+ * Iterate over all fences in the chain. We keep a reference to the current
+ * fence while inside the loop which must be dropped when breaking out.
+ */
+#define dma_fence_chain_for_each(iter, head)	\
+	for (iter = dma_fence_get(head); iter; \
+	     iter = dma_fence_chain_walk(iter))
+
+struct dma_fence *dma_fence_chain_walk(struct dma_fence *fence);
+int dma_fence_chain_find_seqno(struct dma_fence **pfence, uint64_t seqno);
+void dma_fence_chain_init(struct dma_fence_chain *chain,
+			  struct dma_fence *prev,
+			  struct dma_fence *fence,
+			  uint64_t seqno);
+
+#endif /* __LINUX_DMA_FENCE_CHAIN_H */
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 300f336633f2..236b01a1fabf 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -735,8 +735,18 @@ struct drm_syncobj_handle {
 	__u32 pad;
 };
 
+struct drm_syncobj_transfer {
+	__u32 src_handle;
+	__u32 dst_handle;
+	__u64 src_point;
+	__u64 dst_point;
+	__u32 flags;
+	__u32 pad;
+};
+
 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
 #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
+#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) /* wait for time point to become available */
 struct drm_syncobj_wait {
 	__u64 handles;
 	/* absolute timeout */
@@ -747,12 +757,33 @@ struct drm_syncobj_wait {
 	__u32 pad;
 };
 
+struct drm_syncobj_timeline_wait {
+	__u64 handles;
+	/* wait on specific timeline point for every handles*/
+	__u64 points;
+	/* absolute timeout */
+	__s64 timeout_nsec;
+	__u32 count_handles;
+	__u32 flags;
+	__u32 first_signaled; /* only valid when not waiting all */
+	__u32 pad;
+};
+
+
 struct drm_syncobj_array {
 	__u64 handles;
 	__u32 count_handles;
 	__u32 pad;
 };
 
+struct drm_syncobj_timeline_array {
+	__u64 handles;
+	__u64 points;
+	__u32 count_handles;
+	__u32 pad;
+};
+
+
 /* Query current scanout sequence number */
 struct drm_crtc_get_sequence {
 	__u32 crtc_id;		/* requested crtc_id */
@@ -909,6 +940,11 @@ extern "C" {
 #define DRM_IOCTL_MODE_GET_LEASE	DRM_IOWR(0xC8, struct drm_mode_get_lease)
 #define DRM_IOCTL_MODE_REVOKE_LEASE	DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
 
+#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT	DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait)
+#define DRM_IOCTL_SYNCOBJ_QUERY		DRM_IOWR(0xCB, struct drm_syncobj_timeline_array)
+#define DRM_IOCTL_SYNCOBJ_TRANSFER	DRM_IOWR(0xCC, struct drm_syncobj_transfer)
+#define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL	DRM_IOWR(0xCD, struct drm_syncobj_timeline_array)
+
 /**
  * Device specific ioctls should only be in their respective headers
  * The device specific ioctl range is from 0x40 to 0x9f.
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 09d72966899a..83cd1636b9be 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -621,7 +621,8 @@ struct drm_color_ctm {
 
 struct drm_color_lut {
 	/*
-	 * Data is U0.16 fixed point format.
+	 * Values are mapped linearly to 0.0 - 1.0 range, with 0x0 == 0.0 and
+	 * 0xffff == 1.0.
 	 */
 	__u16 red;
 	__u16 green;
diff --git a/include/uapi/drm/lima_drm.h b/include/uapi/drm/lima_drm.h
new file mode 100644
index 000000000000..95a00fb867e6
--- /dev/null
+++ b/include/uapi/drm/lima_drm.h
@@ -0,0 +1,169 @@
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
+/* Copyright 2017-2018 Qiang Yu <yuq825@gmail.com> */
+
+#ifndef __LIMA_DRM_H__
+#define __LIMA_DRM_H__
+
+#include "drm.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+enum drm_lima_param_gpu_id {
+	DRM_LIMA_PARAM_GPU_ID_UNKNOWN,
+	DRM_LIMA_PARAM_GPU_ID_MALI400,
+	DRM_LIMA_PARAM_GPU_ID_MALI450,
+};
+
+enum drm_lima_param {
+	DRM_LIMA_PARAM_GPU_ID,
+	DRM_LIMA_PARAM_NUM_PP,
+	DRM_LIMA_PARAM_GP_VERSION,
+	DRM_LIMA_PARAM_PP_VERSION,
+};
+
+/**
+ * get various information of the GPU
+ */
+struct drm_lima_get_param {
+	__u32 param; /* in, value in enum drm_lima_param */
+	__u32 pad;   /* pad, must be zero */
+	__u64 value; /* out, parameter value */
+};
+
+/**
+ * create a buffer for used by GPU
+ */
+struct drm_lima_gem_create {
+	__u32 size;    /* in, buffer size */
+	__u32 flags;   /* in, currently no flags, must be zero */
+	__u32 handle;  /* out, GEM buffer handle */
+	__u32 pad;     /* pad, must be zero */
+};
+
+/**
+ * get information of a buffer
+ */
+struct drm_lima_gem_info {
+	__u32 handle;  /* in, GEM buffer handle */
+	__u32 va;      /* out, virtual address mapped into GPU MMU */
+	__u64 offset;  /* out, used to mmap this buffer to CPU */
+};
+
+#define LIMA_SUBMIT_BO_READ   0x01
+#define LIMA_SUBMIT_BO_WRITE  0x02
+
+/* buffer information used by one task */
+struct drm_lima_gem_submit_bo {
+	__u32 handle;  /* in, GEM buffer handle */
+	__u32 flags;   /* in, buffer read/write by GPU */
+};
+
+#define LIMA_GP_FRAME_REG_NUM 6
+
+/* frame used to setup GP for each task */
+struct drm_lima_gp_frame {
+	__u32 frame[LIMA_GP_FRAME_REG_NUM];
+};
+
+#define LIMA_PP_FRAME_REG_NUM 23
+#define LIMA_PP_WB_REG_NUM 12
+
+/* frame used to setup mali400 GPU PP for each task */
+struct drm_lima_m400_pp_frame {
+	__u32 frame[LIMA_PP_FRAME_REG_NUM];
+	__u32 num_pp;
+	__u32 wb[3 * LIMA_PP_WB_REG_NUM];
+	__u32 plbu_array_address[4];
+	__u32 fragment_stack_address[4];
+};
+
+/* frame used to setup mali450 GPU PP for each task */
+struct drm_lima_m450_pp_frame {
+	__u32 frame[LIMA_PP_FRAME_REG_NUM];
+	__u32 num_pp;
+	__u32 wb[3 * LIMA_PP_WB_REG_NUM];
+	__u32 use_dlbu;
+	__u32 _pad;
+	union {
+		__u32 plbu_array_address[8];
+		__u32 dlbu_regs[4];
+	};
+	__u32 fragment_stack_address[8];
+};
+
+#define LIMA_PIPE_GP  0x00
+#define LIMA_PIPE_PP  0x01
+
+#define LIMA_SUBMIT_FLAG_EXPLICIT_FENCE (1 << 0)
+
+/**
+ * submit a task to GPU
+ *
+ * User can always merge multi sync_file and drm_syncobj
+ * into one drm_syncobj as in_sync[0], but we reserve
+ * in_sync[1] for another task's out_sync to avoid the
+ * export/import/merge pass when explicit sync.
+ */
+struct drm_lima_gem_submit {
+	__u32 ctx;         /* in, context handle task is submitted to */
+	__u32 pipe;        /* in, which pipe to use, GP/PP */
+	__u32 nr_bos;      /* in, array length of bos field */
+	__u32 frame_size;  /* in, size of frame field */
+	__u64 bos;         /* in, array of drm_lima_gem_submit_bo */
+	__u64 frame;       /* in, GP/PP frame */
+	__u32 flags;       /* in, submit flags */
+	__u32 out_sync;    /* in, drm_syncobj handle used to wait task finish after submission */
+	__u32 in_sync[2];  /* in, drm_syncobj handle used to wait before start this task */
+};
+
+#define LIMA_GEM_WAIT_READ   0x01
+#define LIMA_GEM_WAIT_WRITE  0x02
+
+/**
+ * wait pending GPU task finish of a buffer
+ */
+struct drm_lima_gem_wait {
+	__u32 handle;      /* in, GEM buffer handle */
+	__u32 op;          /* in, CPU want to read/write this buffer */
+	__s64 timeout_ns;  /* in, wait timeout in absulute time */
+};
+
+/**
+ * create a context
+ */
+struct drm_lima_ctx_create {
+	__u32 id;          /* out, context handle */
+	__u32 _pad;        /* pad, must be zero */
+};
+
+/**
+ * free a context
+ */
+struct drm_lima_ctx_free {
+	__u32 id;          /* in, context handle */
+	__u32 _pad;        /* pad, must be zero */
+};
+
+#define DRM_LIMA_GET_PARAM   0x00
+#define DRM_LIMA_GEM_CREATE  0x01
+#define DRM_LIMA_GEM_INFO    0x02
+#define DRM_LIMA_GEM_SUBMIT  0x03
+#define DRM_LIMA_GEM_WAIT    0x04
+#define DRM_LIMA_CTX_CREATE  0x05
+#define DRM_LIMA_CTX_FREE    0x06
+
+#define DRM_IOCTL_LIMA_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_LIMA_GET_PARAM, struct drm_lima_get_param)
+#define DRM_IOCTL_LIMA_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_LIMA_GEM_CREATE, struct drm_lima_gem_create)
+#define DRM_IOCTL_LIMA_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_LIMA_GEM_INFO, struct drm_lima_gem_info)
+#define DRM_IOCTL_LIMA_GEM_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_LIMA_GEM_SUBMIT, struct drm_lima_gem_submit)
+#define DRM_IOCTL_LIMA_GEM_WAIT DRM_IOW(DRM_COMMAND_BASE + DRM_LIMA_GEM_WAIT, struct drm_lima_gem_wait)
+#define DRM_IOCTL_LIMA_CTX_CREATE DRM_IOR(DRM_COMMAND_BASE + DRM_LIMA_CTX_CREATE, struct drm_lima_ctx_create)
+#define DRM_IOCTL_LIMA_CTX_FREE DRM_IOW(DRM_COMMAND_BASE + DRM_LIMA_CTX_FREE, struct drm_lima_ctx_free)
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __LIMA_DRM_H__ */