drm/amdgpu/psp: use a function pointer structure

This way we can make all of the IP specific functions static,
and we only need a single entry point into the PSP IP modules.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

@@ -51,29 +51,10 @@ static int psp_sw_init(void *handle)
 
 	switch (adev->asic_type) {
 	case CHIP_VEGA10:
-		psp->init_microcode = psp_v3_1_init_microcode;
-		psp->bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv;
-		psp->bootloader_load_sos = psp_v3_1_bootloader_load_sos;
-		psp->prep_cmd_buf = psp_v3_1_prep_cmd_buf;
-		psp->ring_init = psp_v3_1_ring_init;
-		psp->ring_create = psp_v3_1_ring_create;
-		psp->ring_stop = psp_v3_1_ring_stop;
-		psp->ring_destroy = psp_v3_1_ring_destroy;
-		psp->cmd_submit = psp_v3_1_cmd_submit;
-		psp->compare_sram_data = psp_v3_1_compare_sram_data;
-		psp->smu_reload_quirk = psp_v3_1_smu_reload_quirk;
-		psp->mode1_reset = psp_v3_1_mode1_reset;
+		psp_v3_1_set_psp_funcs(psp);
 		break;
 	case CHIP_RAVEN:
-		psp->init_microcode = psp_v10_0_init_microcode;
-		psp->prep_cmd_buf = psp_v10_0_prep_cmd_buf;
-		psp->ring_init = psp_v10_0_ring_init;
-		psp->ring_create = psp_v10_0_ring_create;
-		psp->ring_stop = psp_v10_0_ring_stop;
-		psp->ring_destroy = psp_v10_0_ring_destroy;
-		psp->cmd_submit = psp_v10_0_cmd_submit;
-		psp->compare_sram_data = psp_v10_0_compare_sram_data;
-		psp->mode1_reset = psp_v10_0_mode1_reset;
+		psp_v10_0_set_psp_funcs(psp);
 		break;
 	default:
 		return -EINVAL;

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h

@@ -33,6 +33,8 @@
 #define PSP_ASD_SHARED_MEM_SIZE	0x4000
 #define PSP_1_MEG		0x100000
 
+struct psp_context;
+
 enum psp_ring_type
 {
 	PSP_RING_TYPE__INVALID = 0,
@@ -53,12 +55,8 @@ struct psp_ring
 	uint32_t			ring_size;
 };
 
-struct psp_context
+struct psp_funcs
 {
-	struct amdgpu_device            *adev;
-	struct psp_ring                 km_ring;
-	struct psp_gfx_cmd_resp		*cmd;
-
 	int (*init_microcode)(struct psp_context *psp);
 	int (*bootloader_load_sysdrv)(struct psp_context *psp);
 	int (*bootloader_load_sos)(struct psp_context *psp);
@@ -77,6 +75,15 @@ struct psp_context
 				  enum AMDGPU_UCODE_ID ucode_type);
 	bool (*smu_reload_quirk)(struct psp_context *psp);
 	int (*mode1_reset)(struct psp_context *psp);
+};
+
+struct psp_context
+{
+	struct amdgpu_device            *adev;
+	struct psp_ring                 km_ring;
+	struct psp_gfx_cmd_resp		*cmd;
+
+	const struct psp_funcs 		*funcs;
 
 	/* fence buffer */
 	struct amdgpu_bo 		*fw_pri_bo;
@@ -123,25 +130,25 @@ struct amdgpu_psp_funcs {
 					enum AMDGPU_UCODE_ID);
 };
 
-#define psp_prep_cmd_buf(ucode, type) (psp)->prep_cmd_buf((ucode), (type))
-#define psp_ring_init(psp, type) (psp)->ring_init((psp), (type))
-#define psp_ring_create(psp, type) (psp)->ring_create((psp), (type))
-#define psp_ring_stop(psp, type) (psp)->ring_stop((psp), (type))
-#define psp_ring_destroy(psp, type) ((psp)->ring_destroy((psp), (type)))
+#define psp_prep_cmd_buf(ucode, type) (psp)->funcs->prep_cmd_buf((ucode), (type))
+#define psp_ring_init(psp, type) (psp)->funcs->ring_init((psp), (type))
+#define psp_ring_create(psp, type) (psp)->funcs->ring_create((psp), (type))
+#define psp_ring_stop(psp, type) (psp)->funcs->ring_stop((psp), (type))
+#define psp_ring_destroy(psp, type) ((psp)->funcs->ring_destroy((psp), (type)))
 #define psp_cmd_submit(psp, ucode, cmd_mc, fence_mc, index) \
-		(psp)->cmd_submit((psp), (ucode), (cmd_mc), (fence_mc), (index))
+		(psp)->funcs->cmd_submit((psp), (ucode), (cmd_mc), (fence_mc), (index))
 #define psp_compare_sram_data(psp, ucode, type) \
-		(psp)->compare_sram_data((psp), (ucode), (type))
+		(psp)->funcs->compare_sram_data((psp), (ucode), (type))
 #define psp_init_microcode(psp) \
-		((psp)->init_microcode ? (psp)->init_microcode((psp)) : 0)
+		((psp)->funcs->init_microcode ? (psp)->funcs->init_microcode((psp)) : 0)
 #define psp_bootloader_load_sysdrv(psp) \
-		((psp)->bootloader_load_sysdrv ? (psp)->bootloader_load_sysdrv((psp)) : 0)
+		((psp)->funcs->bootloader_load_sysdrv ? (psp)->funcs->bootloader_load_sysdrv((psp)) : 0)
 #define psp_bootloader_load_sos(psp) \
-		((psp)->bootloader_load_sos ? (psp)->bootloader_load_sos((psp)) : 0)
+		((psp)->funcs->bootloader_load_sos ? (psp)->funcs->bootloader_load_sos((psp)) : 0)
 #define psp_smu_reload_quirk(psp) \
-		((psp)->smu_reload_quirk ? (psp)->smu_reload_quirk((psp)) : false)
+		((psp)->funcs->smu_reload_quirk ? (psp)->funcs->smu_reload_quirk((psp)) : false)
 #define psp_mode1_reset(psp) \
-		((psp)->mode1_reset ? (psp)->mode1_reset((psp)) : false)
+		((psp)->funcs->mode1_reset ? (psp)->funcs->mode1_reset((psp)) : false)
 
 extern const struct amd_ip_funcs psp_ip_funcs;
 

drivers/gpu/drm/amd/amdgpu/psp_v10_0.c

@@ -87,7 +87,7 @@ psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *
 	return 0;
 }
 
-int psp_v10_0_init_microcode(struct psp_context *psp)
+static int psp_v10_0_init_microcode(struct psp_context *psp)
 {
 	struct amdgpu_device *adev = psp->adev;
 	const char *chip_name;
@@ -133,7 +133,8 @@ int psp_v10_0_init_microcode(struct psp_context *psp)
 	return err;
 }
 
-int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd)
+static int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
+				  struct psp_gfx_cmd_resp *cmd)
 {
 	int ret;
 	uint64_t fw_mem_mc_addr = ucode->mc_addr;
@@ -152,7 +153,8 @@ int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cm
 	return ret;
 }
 
-int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v10_0_ring_init(struct psp_context *psp,
+			       enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring;
@@ -177,7 +179,8 @@ int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
 	return 0;
 }
 
-int psp_v10_0_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v10_0_ring_create(struct psp_context *psp,
+				 enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	unsigned int psp_ring_reg = 0;
@@ -208,7 +211,8 @@ int psp_v10_0_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v10_0_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v10_0_ring_stop(struct psp_context *psp,
+			       enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring;
@@ -231,7 +235,8 @@ int psp_v10_0_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v10_0_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v10_0_ring_destroy(struct psp_context *psp,
+				  enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring = &psp->km_ring;
@@ -248,7 +253,7 @@ int psp_v10_0_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type
 	return ret;
 }
 
-int psp_v10_0_cmd_submit(struct psp_context *psp,
+static int psp_v10_0_cmd_submit(struct psp_context *psp,
 				struct amdgpu_firmware_info *ucode,
 				uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
 				int index)
@@ -383,7 +388,7 @@ psp_v10_0_sram_map(struct amdgpu_device *adev,
 	return ret;
 }
 
-bool psp_v10_0_compare_sram_data(struct psp_context *psp,
+static bool psp_v10_0_compare_sram_data(struct psp_context *psp,
 					struct amdgpu_firmware_info *ucode,
 					enum AMDGPU_UCODE_ID ucode_type)
 {
@@ -419,8 +424,25 @@ bool psp_v10_0_compare_sram_data(struct psp_context *psp,
 }
 
 
-int psp_v10_0_mode1_reset(struct psp_context *psp)
+static int psp_v10_0_mode1_reset(struct psp_context *psp)
 {
 	DRM_INFO("psp mode 1 reset not supported now! \n");
 	return -EINVAL;
 }
+
+static const struct psp_funcs psp_v10_0_funcs = {
+	.init_microcode = psp_v10_0_init_microcode,
+	.prep_cmd_buf = psp_v10_0_prep_cmd_buf,
+	.ring_init = psp_v10_0_ring_init,
+	.ring_create = psp_v10_0_ring_create,
+	.ring_stop = psp_v10_0_ring_stop,
+	.ring_destroy = psp_v10_0_ring_destroy,
+	.cmd_submit = psp_v10_0_cmd_submit,
+	.compare_sram_data = psp_v10_0_compare_sram_data,
+	.mode1_reset = psp_v10_0_mode1_reset,
+};
+
+void psp_v10_0_set_psp_funcs(struct psp_context *psp)
+{
+	psp->funcs = &psp_v10_0_funcs;
+}

drivers/gpu/drm/amd/amdgpu/psp_v10_0.h

@@ -27,24 +27,6 @@
 
 #include "amdgpu_psp.h"
 
-extern int psp_v10_0_init_microcode(struct psp_context *psp);
-extern int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
-				 struct psp_gfx_cmd_resp *cmd);
-extern int psp_v10_0_ring_init(struct psp_context *psp,
-			      enum psp_ring_type ring_type);
-extern int psp_v10_0_ring_create(struct psp_context *psp,
-				 enum psp_ring_type ring_type);
-extern int psp_v10_0_ring_stop(struct psp_context *psp,
-				  enum psp_ring_type ring_type);
-extern int psp_v10_0_ring_destroy(struct psp_context *psp,
-				  enum psp_ring_type ring_type);
-extern int psp_v10_0_cmd_submit(struct psp_context *psp,
-			       struct amdgpu_firmware_info *ucode,
-			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
-			       int index);
-extern bool psp_v10_0_compare_sram_data(struct psp_context *psp,
-				       struct amdgpu_firmware_info *ucode,
-				       enum AMDGPU_UCODE_ID ucode_type);
+void psp_v10_0_set_psp_funcs(struct psp_context *psp);
 
-extern int psp_v10_0_mode1_reset(struct psp_context *psp);
 #endif

drivers/gpu/drm/amd/amdgpu/psp_v3_1.c

@@ -93,7 +93,7 @@ psp_v3_1_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *t
 	return 0;
 }
 
-int psp_v3_1_init_microcode(struct psp_context *psp)
+static int psp_v3_1_init_microcode(struct psp_context *psp)
 {
 	struct amdgpu_device *adev = psp->adev;
 	const char *chip_name;
@@ -161,7 +161,7 @@ int psp_v3_1_init_microcode(struct psp_context *psp)
 	return err;
 }
 
-int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
+static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
 {
 	int ret;
 	uint32_t psp_gfxdrv_command_reg = 0;
@@ -202,7 +202,7 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
 	return ret;
 }
 
-int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
+static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
 {
 	int ret;
 	unsigned int psp_gfxdrv_command_reg = 0;
@@ -243,7 +243,8 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
 	return ret;
 }
 
-int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd)
+static int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
+				 struct psp_gfx_cmd_resp *cmd)
 {
 	int ret;
 	uint64_t fw_mem_mc_addr = ucode->mc_addr;
@@ -262,7 +263,8 @@ int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd
 	return ret;
 }
 
-int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_init(struct psp_context *psp,
+			      enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring;
@@ -287,7 +289,8 @@ int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
 	return 0;
 }
 
-int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_create(struct psp_context *psp,
+				enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	unsigned int psp_ring_reg = 0;
@@ -318,7 +321,8 @@ int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_stop(struct psp_context *psp,
+			      enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring;
@@ -341,7 +345,8 @@ int psp_v3_1_ring_stop(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
+static int psp_v3_1_ring_destroy(struct psp_context *psp,
+				 enum psp_ring_type ring_type)
 {
 	int ret = 0;
 	struct psp_ring *ring = &psp->km_ring;
@@ -358,7 +363,7 @@ int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type)
 	return ret;
 }
 
-int psp_v3_1_cmd_submit(struct psp_context *psp,
+static int psp_v3_1_cmd_submit(struct psp_context *psp,
 			       struct amdgpu_firmware_info *ucode,
 			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
 			       int index)
@@ -495,7 +500,7 @@ psp_v3_1_sram_map(struct amdgpu_device *adev,
 	return ret;
 }
 
-bool psp_v3_1_compare_sram_data(struct psp_context *psp,
+static bool psp_v3_1_compare_sram_data(struct psp_context *psp,
 				       struct amdgpu_firmware_info *ucode,
 				       enum AMDGPU_UCODE_ID ucode_type)
 {
@@ -530,7 +535,7 @@ bool psp_v3_1_compare_sram_data(struct psp_context *psp,
 	return true;
 }
 
-bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
+static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
 {
 	struct amdgpu_device *adev = psp->adev;
 	uint32_t reg;
@@ -541,7 +546,7 @@ bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
 	return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false;
 }
 
-int psp_v3_1_mode1_reset(struct psp_context *psp)
+static int psp_v3_1_mode1_reset(struct psp_context *psp)
 {
 	int ret;
 	uint32_t offset;
@@ -574,3 +579,23 @@ int psp_v3_1_mode1_reset(struct psp_context *psp)
 
 	return 0;
 }
+
+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,
+	.bootloader_load_sos = psp_v3_1_bootloader_load_sos,
+	.prep_cmd_buf = psp_v3_1_prep_cmd_buf,
+	.ring_init = psp_v3_1_ring_init,
+	.ring_create = psp_v3_1_ring_create,
+	.ring_stop = psp_v3_1_ring_stop,
+	.ring_destroy = psp_v3_1_ring_destroy,
+	.cmd_submit = psp_v3_1_cmd_submit,
+	.compare_sram_data = psp_v3_1_compare_sram_data,
+	.smu_reload_quirk = psp_v3_1_smu_reload_quirk,
+	.mode1_reset = psp_v3_1_mode1_reset,
+};
+
+void psp_v3_1_set_psp_funcs(struct psp_context *psp)
+{
+	psp->funcs = &psp_v3_1_funcs;
+}

drivers/gpu/drm/amd/amdgpu/psp_v3_1.h

@@ -32,26 +32,6 @@ enum { PSP_BINARY_ALIGNMENT = 64 };
 enum { PSP_BOOTLOADER_1_MEG_ALIGNMENT = 0x100000 };
 enum { PSP_BOOTLOADER_8_MEM_ALIGNMENT = 0x800000 };
 
-extern int psp_v3_1_init_microcode(struct psp_context *psp);
-extern int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp);
-extern int psp_v3_1_bootloader_load_sos(struct psp_context *psp);
-extern int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
-				 struct psp_gfx_cmd_resp *cmd);
-extern int psp_v3_1_ring_init(struct psp_context *psp,
-			      enum psp_ring_type ring_type);
-extern int psp_v3_1_ring_create(struct psp_context *psp,
-				enum psp_ring_type ring_type);
-extern int psp_v3_1_ring_stop(struct psp_context *psp,
-				enum psp_ring_type ring_type);
-extern int psp_v3_1_ring_destroy(struct psp_context *psp,
-				enum psp_ring_type ring_type);
-extern int psp_v3_1_cmd_submit(struct psp_context *psp,
-			       struct amdgpu_firmware_info *ucode,
-			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
-			       int index);
-extern bool psp_v3_1_compare_sram_data(struct psp_context *psp,
-				       struct amdgpu_firmware_info *ucode,
-				       enum AMDGPU_UCODE_ID ucode_type);
-extern bool psp_v3_1_smu_reload_quirk(struct psp_context *psp);
-extern int psp_v3_1_mode1_reset(struct psp_context *psp);
+void psp_v3_1_set_psp_funcs(struct psp_context *psp);
+
 #endif