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From 7449b7794f2bfbf63c8347d2e82175447b17dd87 Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Fri, 24 May 2019 15:44:20 -0400
Subject: [PATCH 3865/4256] drm/amd/display: Initialize HDCP work queue
[Why]
We need this to enable HDCP on linux, as we need events to interact
with the hdcp module
[How]
Add work queue to display manager and handle the creation and destruction
of the queue
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 29 ++++++++++++++++++-
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 3 ++
2 files changed, 31 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index bc6389e13b12..f04b5798ce2c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -37,6 +37,9 @@
#include "amdgpu_ucode.h"
#include "atom.h"
#include "amdgpu_dm.h"
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+#include "amdgpu_dm_hdcp.h"
+#endif
#include "amdgpu_pm.h"
#include "amd_shared.h"
@@ -644,11 +647,17 @@ void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin)
static int amdgpu_dm_init(struct amdgpu_device *adev)
{
struct dc_init_data init_data;
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ struct dc_callback_init init_params;
+#endif
adev->dm.ddev = adev->ddev;
adev->dm.adev = adev;
/* Zero all the fields */
memset(&init_data, 0, sizeof(init_data));
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ memset(&init_params, 0, sizeof(init_params));
+#endif
mutex_init(&adev->dm.dc_lock);
mutex_init(&adev->dm.audio_lock);
@@ -763,7 +772,15 @@ static void amdgpu_dm_fini(struct amdgpu_device *adev)
amdgpu_dm_audio_fini(adev);
amdgpu_dm_destroy_drm_device(&adev->dm);
-
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ if (adev->dm.hdcp_workqueue) {
+ hdcp_destroy(adev->dm.hdcp_workqueue);
+ adev->dm.hdcp_workqueue = NULL;
+ }
+
+ if (adev->dm.dc)
+ dc_deinit_callbacks(adev->dm.dc);
+#endif
/* DC Destroy TODO: Replace destroy DAL */
if (adev->dm.dc)
dc_destroy(&adev->dm.dc);
@@ -2147,6 +2164,16 @@ amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
}
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ adev->dm.hdcp_workqueue = hdcp_create_workqueue(&adev->psp, &init_params.cp_psp, adev->dm.dc);
+
+ if (!adev->dm.hdcp_workqueue)
+ DRM_ERROR("amdgpu: failed to initialize hdcp_workqueue.\n");
+ else
+ DRM_DEBUG_DRIVER("amdgpu: hdcp_workqueue init done %p.\n", adev->dm.hdcp_workqueue);
+
+ dc_init_callbacks(adev->dm.dc, &init_params);
+#endif
#endif
static int initialize_plane(struct amdgpu_display_manager *dm,
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index c39ee21c290f..94ab7109447a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -219,6 +219,9 @@ struct amdgpu_display_manager {
struct amdgpu_dm_backlight_caps backlight_caps;
struct mod_freesync *freesync_module;
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ struct hdcp_workqueue *hdcp_workqueue;
+#endif
struct drm_atomic_state *cached_state;
--
2.17.1
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