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authorBhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>2019-05-24 22:44:20 +0300
committerAlex Deucher <alexander.deucher@amd.com>2019-10-03 17:10:58 +0300
commit52704fcaf74bc99ec3075c4e350274a86bf48264 (patch)
treeb99645d1cf67e1eb3c1bd61d3fe3a4a08b9eadc7 /drivers
parent55b50e68b5dd32d82d7a84f00b6bfbfc405a1cef (diff)
downloadlinux-52704fcaf74bc99ec3075c4e350274a86bf48264.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c30
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h3
2 files changed, 33 insertions, 0 deletions
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 83579e0619dc..65d0c4dccc75 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"
@@ -646,11 +649,18 @@ 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);
@@ -725,6 +735,16 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
amdgpu_dm_init_color_mod();
+#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
if (amdgpu_dm_initialize_drm_device(adev)) {
DRM_ERROR(
"amdgpu: failed to initialize sw for display support.\n");
@@ -766,6 +786,16 @@ static void amdgpu_dm_fini(struct amdgpu_device *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);
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 c52ece36f5b2..b6620f1b5ce8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -225,6 +225,9 @@ 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;