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authorSuraj Kandpal <suraj.kandpal@intel.com>2024-03-06 05:42:47 +0300
committerMika Kahola <mika.kahola@intel.com>2024-03-06 10:50:48 +0300
commit4af50beb4e0f9e6aed9cd53436c099f1dba826f1 (patch)
treec305ad7535a633d55bb9baa360e954bf5883d44f /drivers/gpu/drm/xe/display
parentb8e7996f4126d89547ff410fe5ddbc7e47e80cee (diff)
downloadlinux-4af50beb4e0f9e6aed9cd53436c099f1dba826f1.tar.xz
drm/xe: Use gsc_proxy_init_done to check proxy status
Expose gsc_proxy_init_done so that we can check if gsc proxy has been initialized or not. --v2 -Check if GSC FW is enabled before taking forcewake ref [Daniele] --v3 -Directly call proxy check function inside if condition Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240306024247.1857881-5-suraj.kandpal@intel.com
Diffstat (limited to 'drivers/gpu/drm/xe/display')
-rw-r--r--drivers/gpu/drm/xe/display/xe_hdcp_gsc.c29
1 files changed, 28 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c
index 5d1d0054b578..3af5a86db3aa 100644
--- a/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c
+++ b/drivers/gpu/drm/xe/display/xe_hdcp_gsc.c
@@ -4,8 +4,14 @@
*/
#include <drm/drm_print.h>
+
#include "intel_hdcp_gsc.h"
#include "xe_device_types.h"
+#include "xe_device.h"
+#include "xe_gt.h"
+#include "xe_gsc_proxy.h"
+#include "xe_pm.h"
+#include "xe_uc_fw.h"
bool intel_hdcp_gsc_cs_required(struct xe_device *xe)
{
@@ -14,7 +20,28 @@ bool intel_hdcp_gsc_cs_required(struct xe_device *xe)
bool intel_hdcp_gsc_check_status(struct xe_device *xe)
{
- return false;
+ struct xe_tile *tile = xe_device_get_root_tile(xe);
+ struct xe_gt *gt = tile->media_gt;
+ bool ret = true;
+
+ if (!xe_uc_fw_is_enabled(&gt->uc.gsc.fw))
+ return false;
+
+ xe_pm_runtime_get(xe);
+ if (xe_force_wake_get(gt_to_fw(gt), XE_FW_GSC)) {
+ drm_dbg_kms(&xe->drm,
+ "failed to get forcewake to check proxy status\n");
+ ret = false;
+ goto out;
+ }
+
+ if (!xe_gsc_proxy_init_done(&gt->uc.gsc))
+ ret = false;
+
+ xe_force_wake_put(gt_to_fw(gt), XE_FW_GSC);
+out:
+ xe_pm_runtime_put(xe);
+ return ret;
}
int intel_hdcp_gsc_init(struct xe_device *xe)