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drm/display: Move HDCP helpers into display-helper module 

Move DRM's HDCP helper library into the display/ subdirectory and add
it to DRM's display helpers. Split the header file into core and helpers.
Update all affected drivers. No functional changes.

v3:
	* fix Kconfig dependencies
v2:
	* fix include statements (Jani, Javier)
	* update Kconfig symbols

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220421073108.19226-7-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2022-04-21 09:31:06 +02:00
parent 2a64b14735
commit 6a99099fe1
25 changed files with 52 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/gpu/drm-kms-helpers.rst
View File

@ -226,7 +226,7 @@ Panel Self Refresh Helper Reference
HDCP Helper Functions Reference
===============================
.. kernel-doc:: drivers/gpu/drm/drm_hdcp.c
.. kernel-doc:: drivers/gpu/drm/display/drm_hdcp_helper.c
:export:
Display Port Helper Functions Reference

2
drivers/gpu/drm/Makefile
View File

@ -58,7 +58,7 @@ obj-$(CONFIG_DRM_TTM_HELPER) += drm_ttm_helper.o
#
drm_kms_helper-y := drm_bridge_connector.o drm_crtc_helper.o \
drm_encoder_slave.o drm_flip_work.o drm_hdcp.o \
drm_encoder_slave.o drm_flip_work.o \
drm_probe_helper.o \
drm_plane_helper.o drm_atomic_helper.o \
drm_kms_helper_common.o \

1
drivers/gpu/drm/amd/display/Kconfig
View File

@ -20,6 +20,7 @@ config DRM_AMD_DC_DCN
config DRM_AMD_DC_HDCP
bool "Enable HDCP support in DC"
depends on DRM_AMD_DC
select DRM_DISPLAY_HDCP_HELPER
help
Choose this option if you want to support HDCP authentication.

2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -48,7 +48,7 @@
#include "amdgpu_dm.h"
#ifdef CONFIG_DRM_AMD_DC_HDCP
#include "amdgpu_dm_hdcp.h"
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#endif
#include "amdgpu_pm.h"
#include "amdgpu_atombios.h"

2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
View File

@ -27,7 +27,7 @@
#include "amdgpu.h"
#include "amdgpu_dm.h"
#include "dm_helpers.h"
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#include "hdcp_psp.h"
/*

2
drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
View File

@ -30,7 +30,7 @@
#include "hdcp_log.h"
#include <drm/display/drm_dp_helper.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
enum mod_hdcp_trans_input_result {
UNKNOWN = 0,

1
drivers/gpu/drm/bridge/Kconfig
View File

@ -79,6 +79,7 @@ config DRM_ITE_IT6505
tristate "ITE IT6505 DisplayPort bridge"
depends on OF
select DRM_DISPLAY_DP_HELPER
select DRM_DISPLAY_HDCP_HELPER
select DRM_DISPLAY_HELPER
select DRM_DP_AUX_BUS
select DRM_KMS_HELPER

1
drivers/gpu/drm/bridge/analogix/Kconfig
View File

@ -35,6 +35,7 @@ config DRM_ANALOGIX_ANX7625
depends on DRM
depends on OF
select DRM_DISPLAY_DP_HELPER
select DRM_DISPLAY_HDCP_HELPER
select DRM_DISPLAY_HELPER
select DRM_DP_AUX_BUS
select DRM_MIPI_DSI

2
drivers/gpu/drm/bridge/analogix/anx7625.c
View File

@ -23,11 +23,11 @@
#include <drm/display/drm_dp_aux_bus.h>
#include <drm/display/drm_dp_helper.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>

1
drivers/gpu/drm/bridge/cadence/Kconfig
View File

@ -2,6 +2,7 @@
config DRM_CDNS_MHDP8546
tristate "Cadence DPI/DP bridge"
select DRM_DISPLAY_DP_HELPER
select DRM_DISPLAY_HDCP_HELPER
select DRM_DISPLAY_HELPER
select DRM_KMS_HELPER
select DRM_PANEL_BRIDGE

2
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
View File

@ -36,13 +36,13 @@
#include <linux/wait.h>
#include <drm/display/drm_dp_helper.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_atomic_state_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_connector.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>

2
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c
View File

@ -11,7 +11,7 @@
#include <asm/unaligned.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#include "cdns-mhdp8546-hdcp.h"

2
drivers/gpu/drm/bridge/ite-it6505.c
View File

@ -22,12 +22,12 @@
#include <crypto/hash.h>
#include <drm/display/drm_dp_helper.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>

6
drivers/gpu/drm/display/Kconfig
View File

@ -17,6 +17,12 @@ config DRM_DISPLAY_DP_HELPER
help
DRM display helpers for DisplayPort.
config DRM_DISPLAY_HDCP_HELPER
bool
depends on DRM_DISPLAY_HELPER
help
DRM display helpers for HDCP.
config DRM_DP_AUX_CHARDEV
bool "DRM DP AUX Interface"
depends on DRM

1
drivers/gpu/drm/display/Makefile
View File

@ -7,6 +7,7 @@ drm_display_helper-$(CONFIG_DRM_DISPLAY_DP_HELPER) += drm_dp_dual_mode_helper.o
drm_dp_helper.o \
drm_dp_mst_topology.o \
drm_dsc_helper.o
drm_display_helper-$(CONFIG_DRM_DISPLAY_HDCP_HELPER) += drm_hdcp_helper.o
drm_display_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o
drm_display_helper-$(CONFIG_DRM_DP_CEC) += drm_dp_cec.o

4
drivers/gpu/drm/drm_hdcp.c → drivers/gpu/drm/display/drm_hdcp_helper.c
View File

@ -13,7 +13,7 @@
#include <linux/slab.h>
#include <linux/firmware.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_sysfs.h>
#include <drm/drm_print.h>
#include <drm/drm_device.h>
@ -21,8 +21,6 @@
#include <drm/drm_mode_object.h>
#include <drm/drm_connector.h>
#include "drm_internal.h"
static inline void drm_hdcp_print_ksv(const u8 *ksv)
{
DRM_DEBUG("\t%#02x, %#02x, %#02x, %#02x, %#02x\n",

1
drivers/gpu/drm/i915/Kconfig
View File

@ -11,6 +11,7 @@ config DRM_I915
select SHMEM
select TMPFS
select DRM_DISPLAY_DP_HELPER
select DRM_DISPLAY_HDCP_HELPER
select DRM_DISPLAY_HELPER
select DRM_KMS_HELPER
select DRM_PANEL

2
drivers/gpu/drm/i915/display/intel_dp_hdcp.c
View File

@ -8,7 +8,7 @@
#include <drm/display/drm_dp_helper.h>
#include <drm/display/drm_dp_mst_helper.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_print.h>
#include "intel_ddi.h"

2
drivers/gpu/drm/i915/display/intel_gmbus.c
View File

@ -31,7 +31,7 @@
#include <linux/i2c-algo-bit.h>
#include <linux/i2c.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#include "i915_drv.h"
#include "intel_de.h"

2
drivers/gpu/drm/i915/display/intel_hdcp.c
View File

@ -12,7 +12,7 @@
#include <linux/i2c.h>
#include <linux/random.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/i915_component.h>
#include "i915_drv.h"

2
drivers/gpu/drm/i915/display/intel_hdmi.c
View File

@ -32,10 +32,10 @@
#include <linux/slab.h>
#include <linux/string_helpers.h>
#include <drm/display/drm_hdcp_helper.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
#include <drm/drm_hdcp.h>
#include <drm/drm_scdc_helper.h>
#include <drm/intel_lpe_audio.h>

2
drivers/misc/mei/hdcp/mei_hdcp.h
View File

@ -9,7 +9,7 @@
#ifndef __MEI_HDCP_H__
#define __MEI_HDCP_H__
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp.h>
/* me_hdcp_status: Enumeration of all HDCP Status Codes */
enum me_hdcp_status {

14
include/drm/drm_hdcp.h → include/drm/display/drm_hdcp.h
View File

@ -6,8 +6,8 @@
* Sean Paul <seanpaul@chromium.org>
*/
#ifndef _DRM_HDCP_H_INCLUDED_
#define _DRM_HDCP_H_INCLUDED_
#ifndef _DRM_HDCP_H_
#define _DRM_HDCP_H_
#include <linux/types.h>
@ -291,16 +291,6 @@ struct hdcp_srm_header {
u8 srm_gen_no;
} __packed;
struct drm_device;
struct drm_connector;
int drm_hdcp_check_ksvs_revoked(struct drm_device *dev,
u8 *ksvs, u32 ksv_count);
int drm_connector_attach_content_protection_property(
struct drm_connector *connector, bool hdcp_content_type);
void drm_hdcp_update_content_protection(struct drm_connector *connector,
u64 val);
/* Content Type classification for HDCP2.2 vs others */
#define DRM_MODE_HDCP_CONTENT_TYPE0 0
#define DRM_MODE_HDCP_CONTENT_TYPE1 1

22
include/drm/display/drm_hdcp_helper.h Normal file
View File

@ -0,0 +1,22 @@
/* SPDX-License-Identifier: MIT */
/*
* Copyright (C) 2017 Google, Inc.
*
* Authors:
* Sean Paul <seanpaul@chromium.org>
*/
#ifndef _DRM_HDCP_HELPER_H_INCLUDED_
#define _DRM_HDCP_HELPER_H_INCLUDED_
#include <drm/display/drm_hdcp.h>
struct drm_device;
struct drm_connector;
int drm_hdcp_check_ksvs_revoked(struct drm_device *dev, u8 *ksvs, u32 ksv_count);
int drm_connector_attach_content_protection_property(struct drm_connector *connector,
bool hdcp_content_type);
void drm_hdcp_update_content_protection(struct drm_connector *connector, u64 val);
#endif

2
include/drm/i915_mei_hdcp_interface.h
View File

@ -11,7 +11,7 @@
#include <linux/mutex.h>
#include <linux/device.h>
#include <drm/drm_hdcp.h>
#include <drm/display/drm_hdcp.h>
/**
* enum hdcp_port_type - HDCP port implementation type defined by ME FW