[PATCH V2 3/7] drm/amd/pm: revise the implementations for pptable retrieving

Evan Quan evan.quan at amd.com
Mon Sep 19 02:02:47 UTC 2022


Add a new member to flag where to get the pptable. So that,
we can separate those ASIC specific ones from common helpers.

Signed-off-by: Evan Quan <evan.quan at amd.com>
Change-Id: I814db70b5cedc225578bcb4988663de7dcf535af
---
 drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c     | 31 ++++++++++++
 drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h | 14 ++++++
 .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    | 48 ++++++-------------
 3 files changed, 60 insertions(+), 33 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
index 13c5c7f1ecb9..610f9b68ef73 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
@@ -1024,6 +1024,35 @@ static void smu_interrupt_work_fn(struct work_struct *work)
 		smu->ppt_funcs->interrupt_work(smu);
 }
 
+static void smu_pptable_source_init(struct smu_context *smu)
+{
+	switch (smu->adev->ip_versions[MP1_HWIP][0]) {
+	case IP_VERSION(13, 0, 0):
+	case IP_VERSION(13, 0, 7):
+		smu->pptable_source = PPTABLE_SOURCE_PMFW;
+		smu->pptable_id = smu->smu_table.boot_values.pp_table_id;
+		break;
+	case IP_VERSION(13, 0, 10):
+		smu->pptable_source = PPTABLE_SOURCE_INTERNAL_HARDCOPY;
+		smu->pptable_id = 6666;
+		break;
+	default:
+		smu->pptable_source = PPTABLE_SOURCE_VBIOS;
+		smu->pptable_id = smu->smu_table.boot_values.pp_table_id;
+		break;
+	}
+
+	if (smu->ppt_funcs && smu->ppt_funcs->pptable_source_init)
+		smu->ppt_funcs->pptable_source_init(smu);
+
+	/* override pptable_id from driver parameter */
+	if (amdgpu_smu_pptable_id >= 0) {
+		dev_info(smu->adev->dev, "override pptable id %d\n", amdgpu_smu_pptable_id);
+		smu->pptable_id = amdgpu_smu_pptable_id;
+		smu->pptable_source = PPTABLE_SOURCE_INTERNAL_HARDCOPY;
+	}
+}
+
 static int smu_sw_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1085,6 +1114,8 @@ static int smu_sw_init(void *handle)
 		return ret;
 	}
 
+	smu_pptable_source_init(smu);
+
 	ret = smu_init_pptable_microcode(smu);
 	if (ret) {
 		dev_err(adev->dev, "Failed to setup pptable firmware!\n");
diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
index e2fa3b066b96..daa6be72bf00 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h
@@ -477,6 +477,12 @@ struct stb_context {
 
 #define WORKLOAD_POLICY_MAX 7
 
+enum smu_pptable_source {
+	PPTABLE_SOURCE_VBIOS,
+	PPTABLE_SOURCE_PMFW,
+	PPTABLE_SOURCE_INTERNAL_HARDCOPY,
+};
+
 struct smu_context
 {
 	struct amdgpu_device            *adev;
@@ -568,6 +574,9 @@ struct smu_context
 	u32 param_reg;
 	u32 msg_reg;
 	u32 resp_reg;
+
+	enum smu_pptable_source pptable_source;
+	int pptable_id;
 };
 
 struct i2c_adapter;
@@ -1335,6 +1344,11 @@ struct pptable_funcs {
 	 * @init_pptable_microcode: Prepare the pptable microcode to upload via PSP
 	 */
 	int (*init_pptable_microcode)(struct smu_context *smu);
+
+	/**
+	 * @pptable_source_init: Get the smu->pptable_source/pptable_id settings
+	 */
+	void (*pptable_source_init)(struct smu_context *smu);
 };
 
 typedef enum {
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index 53d26bca524a..e5d742c85416 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -196,7 +196,7 @@ int smu_v13_0_init_pptable_microcode(struct smu_context *smu)
 {
 	struct amdgpu_device *adev = smu->adev;
 	struct amdgpu_firmware_info *ucode = NULL;
-	uint32_t size = 0, pptable_id = 0;
+	uint32_t size = 0;
 	int ret = 0;
 	void *table;
 
@@ -210,23 +210,10 @@ int smu_v13_0_init_pptable_microcode(struct smu_context *smu)
 	if (!adev->scpm_enabled)
 		return 0;
 
-	if ((adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 7)) ||
-	    (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 0)))
+	if (smu->pptable_source != PPTABLE_SOURCE_INTERNAL_HARDCOPY)
 		return 0;
 
-	/* override pptable_id from driver parameter */
-	if (amdgpu_smu_pptable_id >= 0) {
-		pptable_id = amdgpu_smu_pptable_id;
-		dev_info(adev->dev, "override pptable id %d\n", pptable_id);
-	} else {
-		pptable_id = smu->smu_table.boot_values.pp_table_id;
-	}
-
-	/* "pptable_id == 0" means vbios carries the pptable. */
-	if (!pptable_id)
-		return 0;
-
-	ret = smu_v13_0_get_pptable_from_firmware(smu, &table, &size, pptable_id);
+	ret = smu_v13_0_get_pptable_from_firmware(smu, &table, &size, smu->pptable_id);
 	if (ret)
 		return ret;
 
@@ -443,28 +430,23 @@ int smu_v13_0_get_pptable_from_firmware(struct smu_context *smu,
 
 int smu_v13_0_setup_pptable(struct smu_context *smu)
 {
-	struct amdgpu_device *adev = smu->adev;
-	uint32_t size = 0, pptable_id = 0;
+	uint32_t pptable_id = smu->pptable_id;
+	uint32_t size = 0;
 	void *table;
 	int ret = 0;
 
-	/* override pptable_id from driver parameter */
-	if (amdgpu_smu_pptable_id >= 0) {
-		pptable_id = amdgpu_smu_pptable_id;
-		dev_info(adev->dev, "override pptable id %d\n", pptable_id);
-	} else {
-		pptable_id = smu->smu_table.boot_values.pp_table_id;
-
-		if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(13, 0, 10))
-			pptable_id = 6666;
-	}
-
-	/* force using vbios pptable in sriov mode */
-	if ((amdgpu_sriov_vf(adev) || !pptable_id) && (amdgpu_emu_mode != 1))
+	switch (smu->pptable_source) {
+	case PPTABLE_SOURCE_VBIOS:
 		ret = smu_v13_0_get_pptable_from_vbios(smu, &table, &size);
-	else
+		break;
+	case PPTABLE_SOURCE_INTERNAL_HARDCOPY:
 		ret = smu_v13_0_get_pptable_from_firmware(smu, &table, &size, pptable_id);
-
+		break;
+	case PPTABLE_SOURCE_PMFW:
+	default:
+		ret = -EINVAL;
+		break;
+	}
 	if (ret)
 		return ret;
 
-- 
2.34.1



More information about the amd-gfx mailing list