[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@xxxxxxx> Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> --- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 30 +++++++++++++++++++ .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 3 ++ 2 files changed, 33 insertions(+) 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 c1031121ee8a..2cc95ab0b645 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 +647,18 @@ 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); @@ -721,6 +731,16 @@ 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"); @@ -762,6 +782,16 @@ 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 cbd6608f58e6..7a34eca12dab 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -222,6 +222,9 @@ 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 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx