[PATCH 1/3] drm/amd: Add get_fw_version to kfd-->kgd interface

[Oded Gabbay <oded.gabbay@xxxxxxx>]

From: Alexey Skidanov <Alexey.Skidanov@xxxxxxx>

This patch adds a new interface to the kfd-->kgd interface.
The new interface function retrieves the firmware version that is currently in
use by the MEC engine. The firmware was uploaded to the MEC engine by the kgd
(radeon).

Signed-off-by: Alexey Skidanov <Alexey.Skidanov@xxxxxxx>
Reviewed-by: Oded Gabbay <oded.gabbay@xxxxxxx>
---
 drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 9c729dd..07f694b 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -137,6 +137,8 @@ struct kgd2kfd_calls {
  *
  * @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
  *
+ * @get_fw_version: Returns FW versions from the header
+ *
  * This structure contains function pointers to services that the kgd driver
  * provides to amdkfd driver.
  *
@@ -176,6 +178,7 @@ struct kfd2kgd_calls {
 	int (*hqd_destroy)(struct kgd_dev *kgd, uint32_t reset_type,
 				unsigned int timeout, uint32_t pipe_id,
 				uint32_t queue_id);
+	uint16_t (*get_fw_version)(struct kgd_dev *kgd);
 };
 
 bool kgd2kfd_init(unsigned interface_version,
-- 
1.9.1

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