Adding upstream version 5.10.209.upstream/5.10.209upstream

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

1 files changed, 559 insertions, 0 deletions

diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
new file mode 100644
index 000000000..1fe809add
--- /dev/null
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -0,0 +1,559 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2013 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ */
+
+#ifndef __MSM_DRV_H__
+#define __MSM_DRV_H__
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/module.h>
+#include <linux/component.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/iommu.h>
+#include <linux/types.h>
+#include <linux/of_graph.h>
+#include <linux/of_device.h>
+#include <linux/sizes.h>
+#include <linux/kthread.h>
+
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_plane_helper.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/msm_drm.h>
+#include <drm/drm_gem.h>
+
+struct msm_kms;
+struct msm_gpu;
+struct msm_mmu;
+struct msm_mdss;
+struct msm_rd_state;
+struct msm_perf_state;
+struct msm_gem_submit;
+struct msm_fence_context;
+struct msm_gem_address_space;
+struct msm_gem_vma;
+
+#define MAX_CRTCS      8
+#define MAX_PLANES     20
+#define MAX_ENCODERS   8
+#define MAX_BRIDGES    8
+#define MAX_CONNECTORS 8
+
+#define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
+
+struct msm_file_private {
+	rwlock_t queuelock;
+	struct list_head submitqueues;
+	int queueid;
+	struct msm_gem_address_space *aspace;
+	struct kref ref;
+	int seqno;
+};
+
+enum msm_mdp_plane_property {
+	PLANE_PROP_ZPOS,
+	PLANE_PROP_ALPHA,
+	PLANE_PROP_PREMULTIPLIED,
+	PLANE_PROP_MAX_NUM
+};
+
+#define MSM_GPU_MAX_RINGS 4
+#define MAX_H_TILES_PER_DISPLAY 2
+
+/**
+ * enum msm_display_caps - features/capabilities supported by displays
+ * @MSM_DISPLAY_CAP_VID_MODE:           Video or "active" mode supported
+ * @MSM_DISPLAY_CAP_CMD_MODE:           Command mode supported
+ * @MSM_DISPLAY_CAP_HOT_PLUG:           Hot plug detection supported
+ * @MSM_DISPLAY_CAP_EDID:               EDID supported
+ */
+enum msm_display_caps {
+	MSM_DISPLAY_CAP_VID_MODE	= BIT(0),
+	MSM_DISPLAY_CAP_CMD_MODE	= BIT(1),
+	MSM_DISPLAY_CAP_HOT_PLUG	= BIT(2),
+	MSM_DISPLAY_CAP_EDID		= BIT(3),
+};
+
+/**
+ * enum msm_event_wait - type of HW events to wait for
+ * @MSM_ENC_COMMIT_DONE - wait for the driver to flush the registers to HW
+ * @MSM_ENC_TX_COMPLETE - wait for the HW to transfer the frame to panel
+ * @MSM_ENC_VBLANK - wait for the HW VBLANK event (for driver-internal waiters)
+ */
+enum msm_event_wait {
+	MSM_ENC_COMMIT_DONE = 0,
+	MSM_ENC_TX_COMPLETE,
+	MSM_ENC_VBLANK,
+};
+
+/**
+ * struct msm_display_topology - defines a display topology pipeline
+ * @num_lm:       number of layer mixers used
+ * @num_enc:      number of compression encoder blocks used
+ * @num_intf:     number of interfaces the panel is mounted on
+ */
+struct msm_display_topology {
+	u32 num_lm;
+	u32 num_enc;
+	u32 num_intf;
+	u32 num_dspp;
+};
+
+/**
+ * struct msm_display_info - defines display properties
+ * @intf_type:          DRM_MODE_ENCODER_ type
+ * @capabilities:       Bitmask of display flags
+ * @num_of_h_tiles:     Number of horizontal tiles in case of split interface
+ * @h_tile_instance:    Controller instance used per tile. Number of elements is
+ *                      based on num_of_h_tiles
+ * @is_te_using_watchdog_timer:  Boolean to indicate watchdog TE is
+ *				 used instead of panel TE in cmd mode panels
+ */
+struct msm_display_info {
+	int intf_type;
+	uint32_t capabilities;
+	uint32_t num_of_h_tiles;
+	uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY];
+	bool is_te_using_watchdog_timer;
+};
+
+/* Commit/Event thread specific structure */
+struct msm_drm_thread {
+	struct drm_device *dev;
+	unsigned int crtc_id;
+	struct kthread_worker *worker;
+};
+
+struct msm_drm_private {
+
+	struct drm_device *dev;
+
+	struct msm_kms *kms;
+
+	/* subordinate devices, if present: */
+	struct platform_device *gpu_pdev;
+
+	/* top level MDSS wrapper device (for MDP5/DPU only) */
+	struct msm_mdss *mdss;
+
+	/* possibly this should be in the kms component, but it is
+	 * shared by both mdp4 and mdp5..
+	 */
+	struct hdmi *hdmi;
+
+	/* eDP is for mdp5 only, but kms has not been created
+	 * when edp_bind() and edp_init() are called. Here is the only
+	 * place to keep the edp instance.
+	 */
+	struct msm_edp *edp;
+
+	/* DSI is shared by mdp4 and mdp5 */
+	struct msm_dsi *dsi[2];
+
+	struct msm_dp *dp;
+
+	/* when we have more than one 'msm_gpu' these need to be an array: */
+	struct msm_gpu *gpu;
+	struct msm_file_private *lastctx;
+	/* gpu is only set on open(), but we need this info earlier */
+	bool is_a2xx;
+
+	struct drm_fb_helper *fbdev;
+
+	struct msm_rd_state *rd;       /* debugfs to dump all submits */
+	struct msm_rd_state *hangrd;   /* debugfs to dump hanging submits */
+	struct msm_perf_state *perf;
+
+	/* list of GEM objects: */
+	struct list_head inactive_list;
+
+	/* worker for delayed free of objects: */
+	struct work_struct free_work;
+	struct llist_head free_list;
+
+	struct workqueue_struct *wq;
+
+	unsigned int num_planes;
+	struct drm_plane *planes[MAX_PLANES];
+
+	unsigned int num_crtcs;
+	struct drm_crtc *crtcs[MAX_CRTCS];
+
+	struct msm_drm_thread event_thread[MAX_CRTCS];
+
+	unsigned int num_encoders;
+	struct drm_encoder *encoders[MAX_ENCODERS];
+
+	unsigned int num_bridges;
+	struct drm_bridge *bridges[MAX_BRIDGES];
+
+	unsigned int num_connectors;
+	struct drm_connector *connectors[MAX_CONNECTORS];
+
+	/* Properties */
+	struct drm_property *plane_property[PLANE_PROP_MAX_NUM];
+
+	/* VRAM carveout, used when no IOMMU: */
+	struct {
+		unsigned long size;
+		dma_addr_t paddr;
+		/* NOTE: mm managed at the page level, size is in # of pages
+		 * and position mm_node->start is in # of pages:
+		 */
+		struct drm_mm mm;
+		spinlock_t lock; /* Protects drm_mm node allocation/removal */
+	} vram;
+
+	struct notifier_block vmap_notifier;
+	struct shrinker shrinker;
+
+	struct drm_atomic_state *pm_state;
+};
+
+struct msm_format {
+	uint32_t pixel_format;
+};
+
+struct msm_pending_timer;
+
+int msm_atomic_prepare_fb(struct drm_plane *plane,
+			  struct drm_plane_state *new_state);
+void msm_atomic_init_pending_timer(struct msm_pending_timer *timer,
+		struct msm_kms *kms, int crtc_idx);
+void msm_atomic_commit_tail(struct drm_atomic_state *state);
+struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev);
+void msm_atomic_state_clear(struct drm_atomic_state *state);
+void msm_atomic_state_free(struct drm_atomic_state *state);
+
+int msm_crtc_enable_vblank(struct drm_crtc *crtc);
+void msm_crtc_disable_vblank(struct drm_crtc *crtc);
+
+int msm_gem_init_vma(struct msm_gem_address_space *aspace,
+		struct msm_gem_vma *vma, int npages,
+		u64 range_start, u64 range_end);
+void msm_gem_purge_vma(struct msm_gem_address_space *aspace,
+		struct msm_gem_vma *vma);
+void msm_gem_unmap_vma(struct msm_gem_address_space *aspace,
+		struct msm_gem_vma *vma);
+int msm_gem_map_vma(struct msm_gem_address_space *aspace,
+		struct msm_gem_vma *vma, int prot,
+		struct sg_table *sgt, int npages);
+void msm_gem_close_vma(struct msm_gem_address_space *aspace,
+		struct msm_gem_vma *vma);
+
+
+struct msm_gem_address_space *
+msm_gem_address_space_get(struct msm_gem_address_space *aspace);
+
+void msm_gem_address_space_put(struct msm_gem_address_space *aspace);
+
+struct msm_gem_address_space *
+msm_gem_address_space_create(struct msm_mmu *mmu, const char *name,
+		u64 va_start, u64 size);
+
+int msm_register_mmu(struct drm_device *dev, struct msm_mmu *mmu);
+void msm_unregister_mmu(struct drm_device *dev, struct msm_mmu *mmu);
+
+bool msm_use_mmu(struct drm_device *dev);
+
+void msm_gem_submit_free(struct msm_gem_submit *submit);
+int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
+		struct drm_file *file);
+
+void msm_gem_shrinker_init(struct drm_device *dev);
+void msm_gem_shrinker_cleanup(struct drm_device *dev);
+
+int msm_gem_mmap_obj(struct drm_gem_object *obj,
+			struct vm_area_struct *vma);
+int msm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
+vm_fault_t msm_gem_fault(struct vm_fault *vmf);
+uint64_t msm_gem_mmap_offset(struct drm_gem_object *obj);
+int msm_gem_get_iova(struct drm_gem_object *obj,
+		struct msm_gem_address_space *aspace, uint64_t *iova);
+int msm_gem_get_and_pin_iova_range(struct drm_gem_object *obj,
+		struct msm_gem_address_space *aspace, uint64_t *iova,
+		u64 range_start, u64 range_end);
+int msm_gem_get_and_pin_iova(struct drm_gem_object *obj,
+		struct msm_gem_address_space *aspace, uint64_t *iova);
+uint64_t msm_gem_iova(struct drm_gem_object *obj,
+		struct msm_gem_address_space *aspace);
+void msm_gem_unpin_iova(struct drm_gem_object *obj,
+		struct msm_gem_address_space *aspace);
+struct page **msm_gem_get_pages(struct drm_gem_object *obj);
+void msm_gem_put_pages(struct drm_gem_object *obj);
+int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
+		struct drm_mode_create_dumb *args);
+int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
+		uint32_t handle, uint64_t *offset);
+struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj);
+void *msm_gem_prime_vmap(struct drm_gem_object *obj);
+void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
+struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev,
+		struct dma_buf_attachment *attach, struct sg_table *sg);
+int msm_gem_prime_pin(struct drm_gem_object *obj);
+void msm_gem_prime_unpin(struct drm_gem_object *obj);
+void *msm_gem_get_vaddr(struct drm_gem_object *obj);
+void *msm_gem_get_vaddr_active(struct drm_gem_object *obj);
+void msm_gem_put_vaddr(struct drm_gem_object *obj);
+int msm_gem_madvise(struct drm_gem_object *obj, unsigned madv);
+int msm_gem_sync_object(struct drm_gem_object *obj,
+		struct msm_fence_context *fctx, bool exclusive);
+void msm_gem_active_get(struct drm_gem_object *obj, struct msm_gpu *gpu);
+void msm_gem_active_put(struct drm_gem_object *obj);
+int msm_gem_cpu_prep(struct drm_gem_object *obj, uint32_t op, ktime_t *timeout);
+int msm_gem_cpu_fini(struct drm_gem_object *obj);
+void msm_gem_free_object(struct drm_gem_object *obj);
+int msm_gem_new_handle(struct drm_device *dev, struct drm_file *file,
+		uint32_t size, uint32_t flags, uint32_t *handle, char *name);
+struct drm_gem_object *msm_gem_new(struct drm_device *dev,
+		uint32_t size, uint32_t flags);
+struct drm_gem_object *msm_gem_new_locked(struct drm_device *dev,
+		uint32_t size, uint32_t flags);
+void *msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
+		uint32_t flags, struct msm_gem_address_space *aspace,
+		struct drm_gem_object **bo, uint64_t *iova);
+void *msm_gem_kernel_new_locked(struct drm_device *dev, uint32_t size,
+		uint32_t flags, struct msm_gem_address_space *aspace,
+		struct drm_gem_object **bo, uint64_t *iova);
+void msm_gem_kernel_put(struct drm_gem_object *bo,
+		struct msm_gem_address_space *aspace, bool locked);
+struct drm_gem_object *msm_gem_import(struct drm_device *dev,
+		struct dma_buf *dmabuf, struct sg_table *sgt);
+void msm_gem_free_work(struct work_struct *work);
+
+__printf(2, 3)
+void msm_gem_object_set_name(struct drm_gem_object *bo, const char *fmt, ...);
+
+int msm_framebuffer_prepare(struct drm_framebuffer *fb,
+		struct msm_gem_address_space *aspace);
+void msm_framebuffer_cleanup(struct drm_framebuffer *fb,
+		struct msm_gem_address_space *aspace);
+uint32_t msm_framebuffer_iova(struct drm_framebuffer *fb,
+		struct msm_gem_address_space *aspace, int plane);
+struct drm_gem_object *msm_framebuffer_bo(struct drm_framebuffer *fb, int plane);
+const struct msm_format *msm_framebuffer_format(struct drm_framebuffer *fb);
+struct drm_framebuffer *msm_framebuffer_create(struct drm_device *dev,
+		struct drm_file *file, const struct drm_mode_fb_cmd2 *mode_cmd);
+struct drm_framebuffer * msm_alloc_stolen_fb(struct drm_device *dev,
+		int w, int h, int p, uint32_t format);
+
+struct drm_fb_helper *msm_fbdev_init(struct drm_device *dev);
+void msm_fbdev_free(struct drm_device *dev);
+
+struct hdmi;
+int msm_hdmi_modeset_init(struct hdmi *hdmi, struct drm_device *dev,
+		struct drm_encoder *encoder);
+void __init msm_hdmi_register(void);
+void __exit msm_hdmi_unregister(void);
+
+struct msm_edp;
+void __init msm_edp_register(void);
+void __exit msm_edp_unregister(void);
+int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev,
+		struct drm_encoder *encoder);
+
+struct msm_dsi;
+#ifdef CONFIG_DRM_MSM_DSI
+void __init msm_dsi_register(void);
+void __exit msm_dsi_unregister(void);
+int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
+			 struct drm_encoder *encoder);
+#else
+static inline void __init msm_dsi_register(void)
+{
+}
+static inline void __exit msm_dsi_unregister(void)
+{
+}
+static inline int msm_dsi_modeset_init(struct msm_dsi *msm_dsi,
+				       struct drm_device *dev,
+				       struct drm_encoder *encoder)
+{
+	return -EINVAL;
+}
+#endif
+
+#ifdef CONFIG_DRM_MSM_DP
+int __init msm_dp_register(void);
+void __exit msm_dp_unregister(void);
+int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev,
+			 struct drm_encoder *encoder);
+int msm_dp_display_enable(struct msm_dp *dp, struct drm_encoder *encoder);
+int msm_dp_display_disable(struct msm_dp *dp, struct drm_encoder *encoder);
+int msm_dp_display_pre_disable(struct msm_dp *dp, struct drm_encoder *encoder);
+void msm_dp_display_mode_set(struct msm_dp *dp, struct drm_encoder *encoder,
+				struct drm_display_mode *mode,
+				struct drm_display_mode *adjusted_mode);
+void msm_dp_irq_postinstall(struct msm_dp *dp_display);
+
+void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor);
+
+#else
+static inline int __init msm_dp_register(void)
+{
+	return -EINVAL;
+}
+static inline void __exit msm_dp_unregister(void)
+{
+}
+static inline int msm_dp_modeset_init(struct msm_dp *dp_display,
+				       struct drm_device *dev,
+				       struct drm_encoder *encoder)
+{
+	return -EINVAL;
+}
+static inline int msm_dp_display_enable(struct msm_dp *dp,
+					struct drm_encoder *encoder)
+{
+	return -EINVAL;
+}
+static inline int msm_dp_display_disable(struct msm_dp *dp,
+					struct drm_encoder *encoder)
+{
+	return -EINVAL;
+}
+static inline int msm_dp_display_pre_disable(struct msm_dp *dp,
+					struct drm_encoder *encoder)
+{
+	return -EINVAL;
+}
+static inline void msm_dp_display_mode_set(struct msm_dp *dp,
+				struct drm_encoder *encoder,
+				struct drm_display_mode *mode,
+				struct drm_display_mode *adjusted_mode)
+{
+}
+
+static inline void msm_dp_irq_postinstall(struct msm_dp *dp_display)
+{
+}
+
+static inline void msm_dp_debugfs_init(struct msm_dp *dp_display,
+		struct drm_minor *minor)
+{
+}
+
+#endif
+
+void __init msm_mdp_register(void);
+void __exit msm_mdp_unregister(void);
+void __init msm_dpu_register(void);
+void __exit msm_dpu_unregister(void);
+
+#ifdef CONFIG_DEBUG_FS
+void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m);
+void msm_gem_describe_objects(struct list_head *list, struct seq_file *m);
+void msm_framebuffer_describe(struct drm_framebuffer *fb, struct seq_file *m);
+int msm_debugfs_late_init(struct drm_device *dev);
+int msm_rd_debugfs_init(struct drm_minor *minor);
+void msm_rd_debugfs_cleanup(struct msm_drm_private *priv);
+__printf(3, 4)
+void msm_rd_dump_submit(struct msm_rd_state *rd, struct msm_gem_submit *submit,
+		const char *fmt, ...);
+int msm_perf_debugfs_init(struct drm_minor *minor);
+void msm_perf_debugfs_cleanup(struct msm_drm_private *priv);
+#else
+static inline int msm_debugfs_late_init(struct drm_device *dev) { return 0; }
+__printf(3, 4)
+static inline void msm_rd_dump_submit(struct msm_rd_state *rd,
+			struct msm_gem_submit *submit,
+			const char *fmt, ...) {}
+static inline void msm_rd_debugfs_cleanup(struct msm_drm_private *priv) {}
+static inline void msm_perf_debugfs_cleanup(struct msm_drm_private *priv) {}
+#endif
+
+struct clk *msm_clk_get(struct platform_device *pdev, const char *name);
+
+struct clk *msm_clk_bulk_get_clock(struct clk_bulk_data *bulk, int count,
+	const char *name);
+void __iomem *msm_ioremap(struct platform_device *pdev, const char *name,
+		const char *dbgname);
+void __iomem *msm_ioremap_quiet(struct platform_device *pdev, const char *name,
+		const char *dbgname);
+void msm_writel(u32 data, void __iomem *addr);
+u32 msm_readl(const void __iomem *addr);
+
+struct msm_gpu_submitqueue;
+int msm_submitqueue_init(struct drm_device *drm, struct msm_file_private *ctx);
+struct msm_gpu_submitqueue *msm_submitqueue_get(struct msm_file_private *ctx,
+		u32 id);
+int msm_submitqueue_create(struct drm_device *drm,
+		struct msm_file_private *ctx,
+		u32 prio, u32 flags, u32 *id);
+int msm_submitqueue_query(struct drm_device *drm, struct msm_file_private *ctx,
+		struct drm_msm_submitqueue_query *args);
+int msm_submitqueue_remove(struct msm_file_private *ctx, u32 id);
+void msm_submitqueue_close(struct msm_file_private *ctx);
+
+void msm_submitqueue_destroy(struct kref *kref);
+
+static inline void __msm_file_private_destroy(struct kref *kref)
+{
+	struct msm_file_private *ctx = container_of(kref,
+		struct msm_file_private, ref);
+
+	msm_gem_address_space_put(ctx->aspace);
+	kfree(ctx);
+}
+
+static inline void msm_file_private_put(struct msm_file_private *ctx)
+{
+	kref_put(&ctx->ref, __msm_file_private_destroy);
+}
+
+static inline struct msm_file_private *msm_file_private_get(
+	struct msm_file_private *ctx)
+{
+	kref_get(&ctx->ref);
+	return ctx;
+}
+
+#define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
+#define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
+
+static inline int align_pitch(int width, int bpp)
+{
+	int bytespp = (bpp + 7) / 8;
+	/* adreno needs pitch aligned to 32 pixels: */
+	return bytespp * ALIGN(width, 32);
+}
+
+/* for the generated headers: */
+#define INVALID_IDX(idx) ({BUG(); 0;})
+#define fui(x)                ({BUG(); 0;})
+#define util_float_to_half(x) ({BUG(); 0;})
+
+
+#define FIELD(val, name) (((val) & name ## __MASK) >> name ## __SHIFT)
+
+/* for conditionally setting boolean flag(s): */
+#define COND(bool, val) ((bool) ? (val) : 0)
+
+static inline unsigned long timeout_to_jiffies(const ktime_t *timeout)
+{
+	ktime_t now = ktime_get();
+	s64 remaining_jiffies;
+
+	if (ktime_compare(*timeout, now) < 0) {
+		remaining_jiffies = 0;
+	} else {
+		ktime_t rem = ktime_sub(*timeout, now);
+		remaining_jiffies = ktime_divns(rem, NSEC_PER_SEC / HZ);
+	}
+
+	return clamp(remaining_jiffies, 0LL, (s64)INT_MAX);
+}
+
+#endif /* __MSM_DRV_H__ */