diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 201 |
1 files changed, 63 insertions, 138 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index ac75cfc267f4..993cf512f8c5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -1,24 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __DPU_KMS_H__ #define __DPU_KMS_H__ +#include <linux/interconnect.h> + +#include <drm/drm_drv.h> + #include "msm_drv.h" #include "msm_kms.h" #include "msm_mmu.h" @@ -28,7 +21,6 @@ #include "dpu_hw_lm.h" #include "dpu_hw_interrupts.h" #include "dpu_hw_top.h" -#include "dpu_io_util.h" #include "dpu_rm.h" #include "dpu_core_perf.h" @@ -39,26 +31,17 @@ * @fmt: Pointer to format string */ #define DPU_DEBUG(fmt, ...) \ - do { \ - if (unlikely(drm_debug & DRM_UT_KMS)) \ - DRM_DEBUG(fmt, ##__VA_ARGS__); \ - else \ - pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) /** * DPU_DEBUG_DRIVER - macro for hardware driver logging * @fmt: Pointer to format string */ #define DPU_DEBUG_DRIVER(fmt, ...) \ - do { \ - if (unlikely(drm_debug & DRM_UT_DRIVER)) \ - DRM_ERROR(fmt, ##__VA_ARGS__); \ - else \ - pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) + DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) #define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__) +#define DPU_ERROR_RATELIMITED(fmt, ...) pr_err_ratelimited("[dpu error]" fmt, ##__VA_ARGS__) /** * ktime_compare_safe - compare two ktime structures @@ -71,60 +54,32 @@ #define ktime_compare_safe(A, B) \ ktime_compare(ktime_sub((A), (B)), ktime_set(0, 0)) -#define DPU_NAME_SIZE 12 - -/* timeout in frames waiting for frame done */ -#define DPU_FRAME_DONE_TIMEOUT 60 - -/* - * struct dpu_irq_callback - IRQ callback handlers - * @list: list to callback - * @func: intr handler - * @arg: argument for the handler - */ -struct dpu_irq_callback { - struct list_head list; - void (*func)(void *arg, int irq_idx); - void *arg; -}; - -/** - * struct dpu_irq: IRQ structure contains callback registration info - * @total_irq: total number of irq_idx obtained from HW interrupts mapping - * @irq_cb_tbl: array of IRQ callbacks setting - * @enable_counts array of IRQ enable counts - * @cb_lock: callback lock - * @debugfs_file: debugfs file for irq statistics - */ -struct dpu_irq { - u32 total_irqs; - struct list_head *irq_cb_tbl; - atomic_t *enable_counts; - atomic_t *irq_counts; - spinlock_t cb_lock; -}; +extern bool dpu_use_virtual_planes; struct dpu_kms { struct msm_kms base; struct drm_device *dev; - int core_rev; - struct dpu_mdss_cfg *catalog; + const struct dpu_mdss_cfg *catalog; + const struct qcom_ubwc_cfg_data *mdss; /* io/register spaces: */ - void __iomem *mmio, *vbif[VBIF_MAX], *reg_dma; - unsigned long mmio_len, vbif_len[VBIF_MAX], reg_dma_len; + void __iomem *mmio, *vbif[VBIF_MAX]; struct regulator *vdd; struct regulator *mmagic; struct regulator *venus; struct dpu_hw_intr *hw_intr; - struct dpu_irq irq_obj; struct dpu_core_perf perf; + /* + * Global private object state, Do not access directly, use + * dpu_kms_global_get_state() + */ + struct drm_private_obj global_state; + struct dpu_rm rm; - bool rm_init; struct dpu_hw_vbif *hw_vbif[VBIF_MAX]; struct dpu_hw_mdp *hw_mdp; @@ -133,7 +88,19 @@ struct dpu_kms { struct platform_device *pdev; bool rpm_enabled; - struct dss_module_power mp; + + struct clk_bulk_data *clocks; + size_t num_clocks; + + /* reference count bandwidth requests, so we know when we can + * release bandwidth. Each atomic update increments, and frame- + * done event decrements. Additionally, for video mode, the + * reference is incremented when crtc is enabled, and decremented + * when disabled. + */ + atomic_t bandwidth_ref; + struct icc_path *path[2]; + u32 num_paths; }; struct vsync_info { @@ -141,84 +108,51 @@ struct vsync_info { u32 line_count; }; +#define DPU_ENC_WR_PTR_START_TIMEOUT_US 20000 + +#define DPU_ENC_MAX_POLL_TIMEOUT_US 2000 + #define to_dpu_kms(x) container_of(x, struct dpu_kms, base) -/* get struct msm_kms * from drm_device * */ -#define ddev_to_msm_kms(D) ((D) && (D)->dev_private ? \ - ((struct msm_drm_private *)((D)->dev_private))->kms : NULL) +#define to_dpu_global_state(x) container_of(x, struct dpu_global_state, base) -/** - * Debugfs functions - extra helper functions for debugfs support - * - * Main debugfs documentation is located at, - * - * Documentation/filesystems/debugfs.txt - * - * @dpu_debugfs_setup_regset32: Initialize data for dpu_debugfs_create_regset32 - * @dpu_debugfs_create_regset32: Create 32-bit register dump file - * @dpu_debugfs_get_root: Get root dentry for DPU_KMS's debugfs node +/* Global private object state for tracking resources that are shared across + * multiple kms objects (planes/crtcs/etc). */ +struct dpu_global_state { + struct drm_private_state base; -/** - * Companion structure for dpu_debugfs_create_regset32. Do not initialize the - * members of this structure explicitly; use dpu_debugfs_setup_regset32 instead. - */ -struct dpu_debugfs_regset32 { - uint32_t offset; - uint32_t blk_len; - struct dpu_kms *dpu_kms; + struct dpu_rm *rm; + + uint32_t pingpong_to_crtc_id[PINGPONG_MAX - PINGPONG_0]; + uint32_t mixer_to_crtc_id[LM_MAX - LM_0]; + uint32_t ctl_to_crtc_id[CTL_MAX - CTL_0]; + uint32_t dspp_to_crtc_id[DSPP_MAX - DSPP_0]; + uint32_t dsc_to_crtc_id[DSC_MAX - DSC_0]; + uint32_t cdm_to_crtc_id; + + uint32_t sspp_to_crtc_id[SSPP_MAX - SSPP_NONE]; + uint32_t cwb_to_crtc_id[CWB_MAX - CWB_0]; }; -/** - * dpu_debugfs_setup_regset32 - Initialize register block definition for debugfs - * This function is meant to initialize dpu_debugfs_regset32 structures for use - * with dpu_debugfs_create_regset32. - * @regset: opaque register definition structure - * @offset: sub-block offset - * @length: sub-block length, in bytes - * @dpu_kms: pointer to dpu kms structure - */ -void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset, - uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms); +struct dpu_global_state + *dpu_kms_get_existing_global_state(struct dpu_kms *dpu_kms); +struct dpu_global_state + *__must_check dpu_kms_get_global_state(struct drm_atomic_state *s); /** - * dpu_debugfs_create_regset32 - Create register read back file for debugfs - * - * This function is almost identical to the standard debugfs_create_regset32() - * function, with the main difference being that a list of register - * names/offsets do not need to be provided. The 'read' function simply outputs - * sequential register values over a specified range. - * - * Similar to the related debugfs_create_regset32 API, the structure pointed to - * by regset needs to persist for the lifetime of the created file. The calling - * code is responsible for initialization/management of this structure. + * Debugfs functions - extra helper functions for debugfs support * - * The structure pointed to by regset is meant to be opaque. Please use - * dpu_debugfs_setup_regset32 to initialize it. + * Main debugfs documentation is located at, * - * @name: File name within debugfs - * @mode: File mode within debugfs - * @parent: Parent directory entry within debugfs, can be NULL - * @regset: Pointer to persistent register block definition + * Documentation/filesystems/debugfs.rst * - * Return: dentry pointer for newly created file, use either debugfs_remove() - * or debugfs_remove_recursive() (on a parent directory) to remove the - * file + * @dpu_debugfs_create_regset32: Create 32-bit register dump file */ -void *dpu_debugfs_create_regset32(const char *name, umode_t mode, - void *parent, struct dpu_debugfs_regset32 *regset); -/** - * dpu_debugfs_get_root - Return root directory entry for KMS's debugfs - * - * The return value should be passed as the 'parent' argument to subsequent - * debugfs create calls. - * - * @dpu_kms: Pointer to DPU's KMS structure - * - * Return: dentry pointer for DPU's debugfs location - */ -void *dpu_debugfs_get_root(struct dpu_kms *dpu_kms); +void dpu_debugfs_create_regset32(const char *name, umode_t mode, + void *parent, + uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms); /** * DPU info management functions @@ -233,15 +167,6 @@ void *dpu_debugfs_get_root(struct dpu_kms *dpu_kms); int dpu_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc); void dpu_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc); -void dpu_kms_encoder_enable(struct drm_encoder *encoder); - -/** - * dpu_kms_get_clk_rate() - get the clock rate - * @dpu_kms: poiner to dpu_kms structure - * @clock_name: clock name to get the rate - * - * Return: current clock rate - */ -u64 dpu_kms_get_clk_rate(struct dpu_kms *dpu_kms, char *clock_name); +unsigned long dpu_kms_get_clk_rate(struct dpu_kms *dpu_kms, char *clock_name); #endif /* __dpu_kms_H__ */ |