[PATCH 1/5] drm/amdgpu/psp: Add mode 0 reset function.

[Andrey Grodzovsky]

Currently just a place holder until support from PSP in place.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 3 +++
 drivers/gpu/drm/amd/amdgpu/psp_v11_0.c  | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 9ec5d1a..2bdb394 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -83,6 +83,7 @@ struct psp_funcs
 				  enum AMDGPU_UCODE_ID ucode_type);
 	bool (*smu_reload_quirk)(struct psp_context *psp);
 	int (*mode1_reset)(struct psp_context *psp);
+	int (*mode0_reset)(struct psp_context *psp);
 	uint64_t (*xgmi_get_node_id)(struct psp_context *psp);
 	uint64_t (*xgmi_get_hive_id)(struct psp_context *psp);
 	int (*xgmi_get_topology_info)(struct psp_context *psp, int number_devices,
@@ -194,6 +195,8 @@ struct psp_xgmi_topology_info {
 		((psp)->funcs->smu_reload_quirk ? (psp)->funcs->smu_reload_quirk((psp)) : false)
 #define psp_mode1_reset(psp) \
 		((psp)->funcs->mode1_reset ? (psp)->funcs->mode1_reset((psp)) : false)
+#define psp_mode0_reset(psp) \
+		((psp)->funcs->mode0_reset ? (psp)->funcs->mode1_reset((psp)) : false)
 #define psp_xgmi_get_node_id(psp) \
 		((psp)->funcs->xgmi_get_node_id ? (psp)->funcs->xgmi_get_node_id((psp)) : 0)
 #define psp_xgmi_get_hive_id(psp) \
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index 082093a..8feb580 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -573,6 +573,13 @@ static int psp_v11_0_mode1_reset(struct psp_context *psp)
 	return 0;
 }
 
+static int psp_v11_0_mode0_reset(struct psp_context *psp)
+{
+	/* TBD Once support from PSP in place */
+
+	return 0;
+}
+
 /* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready.
  * For now, return success and hack the hive_id so high level code can
  * start testing
@@ -698,6 +705,7 @@ static const struct psp_funcs psp_v11_0_funcs = {
 	.cmd_submit = psp_v11_0_cmd_submit,
 	.compare_sram_data = psp_v11_0_compare_sram_data,
 	.mode1_reset = psp_v11_0_mode1_reset,
+	.mode0_reset = psp_v11_0_mode0_reset,
 	.xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info,
 	.xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info,
 	.xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id,
-- 
2.7.4