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path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4532-drm-amdgpu-add-psp-funcs-for-ring-write-pointer-read.patch
blob: 597ca5c1b02718796b8b4bd0ab55d35ee13cd884 (plain)
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From 5a274a9eba4f444bec6d0550400b726deb5ce4e4 Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Mon, 18 Nov 2019 17:13:56 +0800
Subject: [PATCH 4532/4736] drm/amdgpu: add psp funcs for ring write pointer
 read/write

The ring write pointer regsiter update is the only part that
is IP specific ones in psp_cmd_submit function.

Add two callbacks for wptr read/write so that we unify the
psp_cmd_submit function for all the ASICs.

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h |  5 +++++
 drivers/gpu/drm/amd/amdgpu/psp_v10_0.c  | 16 +++++++++++++++
 drivers/gpu/drm/amd/amdgpu/psp_v11_0.c  | 26 ++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/psp_v12_0.c  | 26 ++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/psp_v3_1.c   | 27 +++++++++++++++++++++++++
 5 files changed, 100 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 09c5474ebcc3..d5620c46f3fc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -116,6 +116,8 @@ struct psp_funcs
 	int (*mem_training_init)(struct psp_context *psp);
 	void (*mem_training_fini)(struct psp_context *psp);
 	int (*mem_training)(struct psp_context *psp, uint32_t ops);
+	uint32_t (*ring_get_wptr)(struct psp_context *psp);
+	void (*ring_set_wptr)(struct psp_context *psp, uint32_t value);
 };
 
 #define AMDGPU_XGMI_MAX_CONNECTED_NODES		64
@@ -346,6 +348,9 @@ struct amdgpu_psp_funcs {
 	((psp)->funcs->ras_cure_posion ? \
 	(psp)->funcs->ras_cure_posion(psp, (addr)) : -EINVAL)
 
+#define psp_ring_get_wptr(psp) (psp)->funcs->ring_get_wptr((psp))
+#define psp_ring_set_wptr(psp, value) (psp)->funcs->ring_set_wptr((psp), (value))
+
 extern const struct amd_ip_funcs psp_ip_funcs;
 
 extern const struct amdgpu_ip_block_version psp_v3_1_ip_block;
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
index ed8beff02e62..b8a461d46cb5 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
@@ -404,6 +404,20 @@ static int psp_v10_0_mode1_reset(struct psp_context *psp)
 	return -EINVAL;
 }
 
+static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+}
+
+static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
 static const struct psp_funcs psp_v10_0_funcs = {
 	.init_microcode = psp_v10_0_init_microcode,
 	.ring_init = psp_v10_0_ring_init,
@@ -413,6 +427,8 @@ static const struct psp_funcs psp_v10_0_funcs = {
 	.cmd_submit = psp_v10_0_cmd_submit,
 	.compare_sram_data = psp_v10_0_compare_sram_data,
 	.mode1_reset = psp_v10_0_mode1_reset,
+	.ring_get_wptr = psp_v10_0_ring_get_wptr,
+	.ring_set_wptr = psp_v10_0_ring_set_wptr,
 };
 
 void psp_v10_0_set_psp_funcs(struct psp_context *psp)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index 0875ece1bea2..68f4cd7311a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -1076,6 +1076,30 @@ static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops)
 	return 0;
 }
 
+static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
+{
+	uint32_t data;
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp_v11_0_support_vmr_ring(psp))
+		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
+	else
+		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+
+	return data;
+}
+
+static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp_v11_0_support_vmr_ring(psp)) {
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
+	} else
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
 static const struct psp_funcs psp_v11_0_funcs = {
 	.init_microcode = psp_v11_0_init_microcode,
 	.bootloader_load_kdb = psp_v11_0_bootloader_load_kdb,
@@ -1099,6 +1123,8 @@ static const struct psp_funcs psp_v11_0_funcs = {
 	.mem_training_init = psp_v11_0_memory_training_init,
 	.mem_training_fini = psp_v11_0_memory_training_fini,
 	.mem_training = psp_v11_0_memory_training,
+	.ring_get_wptr = psp_v11_0_ring_get_wptr,
+	.ring_set_wptr = psp_v11_0_ring_set_wptr,
 };
 
 void psp_v11_0_set_psp_funcs(struct psp_context *psp)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
index 8f553f6f92d6..75b3f9d15a18 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
@@ -547,6 +547,30 @@ static int psp_v12_0_mode1_reset(struct psp_context *psp)
 	return 0;
 }
 
+static uint32_t psp_v12_0_ring_get_wptr(struct psp_context *psp)
+{
+	uint32_t data;
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp_v12_0_support_vmr_ring(psp))
+		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
+	else
+		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+
+	return data;
+}
+
+static void psp_v12_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp_v12_0_support_vmr_ring(psp)) {
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
+	} else
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
 static const struct psp_funcs psp_v12_0_funcs = {
 	.init_microcode = psp_v12_0_init_microcode,
 	.bootloader_load_sysdrv = psp_v12_0_bootloader_load_sysdrv,
@@ -558,6 +582,8 @@ static const struct psp_funcs psp_v12_0_funcs = {
 	.cmd_submit = psp_v12_0_cmd_submit,
 	.compare_sram_data = psp_v12_0_compare_sram_data,
 	.mode1_reset = psp_v12_0_mode1_reset,
+	.ring_get_wptr = psp_v12_0_ring_get_wptr,
+	.ring_set_wptr = psp_v12_0_ring_set_wptr,
 };
 
 void psp_v12_0_set_psp_funcs(struct psp_context *psp)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index f652241aa71a..1de86e550a90 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -640,6 +640,31 @@ static bool psp_v3_1_support_vmr_ring(struct psp_context *psp)
 	return false;
 }
 
+static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp)
+{
+	uint32_t data;
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp_v3_1_support_vmr_ring(psp))
+		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
+	else
+		data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+	return data;
+}
+
+static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp_v3_1_support_vmr_ring(psp)) {
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
+		/* send interrupt to PSP for SRIOV ring write pointer update */
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
+			GFX_CTRL_CMD_ID_CONSUME_CMD);
+	} else
+		WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
 static const struct psp_funcs psp_v3_1_funcs = {
 	.init_microcode = psp_v3_1_init_microcode,
 	.bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv,
@@ -653,6 +678,8 @@ static const struct psp_funcs psp_v3_1_funcs = {
 	.smu_reload_quirk = psp_v3_1_smu_reload_quirk,
 	.mode1_reset = psp_v3_1_mode1_reset,
 	.support_vmr_ring = psp_v3_1_support_vmr_ring,
+	.ring_get_wptr = psp_v3_1_ring_get_wptr,
+	.ring_set_wptr = psp_v3_1_ring_set_wptr,
 };
 
 void psp_v3_1_set_psp_funcs(struct psp_context *psp)
-- 
2.17.1