[PATCH 4/5] drm/amdgpu: Delete some cgs functions

Rex Zhu Rex.Zhu at amd.com
Fri Mar 23 11:10:24 UTC 2018


Drop cgs wrappers that are no longer uses.
1. cgs_rel_firmware
2. cgs_is_virtualization_enabled
3. cgs_notify_dpm_enabled

Change-Id: I1253ed9c3a48658766cb4253b1baaba258e96a07
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c  | 96 --------------------------------
 drivers/gpu/drm/amd/include/cgs_common.h | 63 +--------------------
 2 files changed, 1 insertion(+), 158 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 71a57b2..1623b52e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -23,7 +23,6 @@
  */
 #include <linux/list.h>
 #include <linux/slab.h>
-#include <linux/pci.h>
 #include <drm/drmP.h>
 #include <linux/firmware.h>
 #include <drm/amdgpu_drm.h>
@@ -109,40 +108,6 @@ static void amdgpu_cgs_write_ind_register(struct cgs_device *cgs_device,
 	WARN(1, "Invalid indirect register space");
 }
 
-static int amdgpu_cgs_get_pci_resource(struct cgs_device *cgs_device,
-				       enum cgs_resource_type resource_type,
-				       uint64_t size,
-				       uint64_t offset,
-				       uint64_t *resource_base)
-{
-	CGS_FUNC_ADEV;
-
-	if (resource_base == NULL)
-		return -EINVAL;
-
-	switch (resource_type) {
-	case CGS_RESOURCE_TYPE_MMIO:
-		if (adev->rmmio_size == 0)
-			return -ENOENT;
-		if ((offset + size) > adev->rmmio_size)
-			return -EINVAL;
-		*resource_base = adev->rmmio_base;
-		return 0;
-	case CGS_RESOURCE_TYPE_DOORBELL:
-		if (adev->doorbell.size == 0)
-			return -ENOENT;
-		if ((offset + size) > adev->doorbell.size)
-			return -EINVAL;
-		*resource_base = adev->doorbell.base;
-		return 0;
-	case CGS_RESOURCE_TYPE_FB:
-	case CGS_RESOURCE_TYPE_IO:
-	case CGS_RESOURCE_TYPE_ROM:
-	default:
-		return -EINVAL;
-	}
-}
-
 static const void *amdgpu_cgs_atom_get_data_table(struct cgs_device *cgs_device,
 						  unsigned table, uint16_t *size,
 						  uint8_t *frev, uint8_t *crev)
@@ -271,18 +236,6 @@ static uint32_t fw_type_convert(struct cgs_device *cgs_device, uint32_t fw_type)
 	return result;
 }
 
-static int amdgpu_cgs_rel_firmware(struct cgs_device *cgs_device, enum cgs_ucode_id type)
-{
-	CGS_FUNC_ADEV;
-	if ((CGS_UCODE_ID_SMU == type) || (CGS_UCODE_ID_SMU_SK == type)) {
-		release_firmware(adev->pm.fw);
-		adev->pm.fw = NULL;
-		return 0;
-	}
-	/* cannot release other firmware because they are not created by cgs */
-	return -EINVAL;
-}
-
 static uint16_t amdgpu_get_firmware_version(struct cgs_device *cgs_device,
 					enum cgs_ucode_id type)
 {
@@ -326,34 +279,6 @@ static uint16_t amdgpu_get_firmware_version(struct cgs_device *cgs_device,
 	return fw_version;
 }
 
-static int amdgpu_cgs_enter_safe_mode(struct cgs_device *cgs_device,
-					bool en)
-{
-	CGS_FUNC_ADEV;
-
-	if (adev->gfx.rlc.funcs->enter_safe_mode == NULL ||
-		adev->gfx.rlc.funcs->exit_safe_mode == NULL)
-		return 0;
-
-	if (en)
-		adev->gfx.rlc.funcs->enter_safe_mode(adev);
-	else
-		adev->gfx.rlc.funcs->exit_safe_mode(adev);
-
-	return 0;
-}
-
-static void amdgpu_cgs_lock_grbm_idx(struct cgs_device *cgs_device,
-					bool lock)
-{
-	CGS_FUNC_ADEV;
-
-	if (lock)
-		mutex_lock(&adev->grbm_idx_mutex);
-	else
-		mutex_unlock(&adev->grbm_idx_mutex);
-}
-
 static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 					enum cgs_ucode_id type,
 					struct cgs_firmware_info *info)
@@ -598,11 +523,6 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 	return 0;
 }
 
-static int amdgpu_cgs_is_virtualization_enabled(void *cgs_device)
-{
-	CGS_FUNC_ADEV;
-	return amdgpu_sriov_vf(adev);
-}
 
 static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device,
 					  struct cgs_display_info *info)
@@ -661,34 +581,18 @@ static int amdgpu_cgs_get_active_displays_info(struct cgs_device *cgs_device,
 	return 0;
 }
 
-
-static int amdgpu_cgs_notify_dpm_enabled(struct cgs_device *cgs_device, bool enabled)
-{
-	CGS_FUNC_ADEV;
-
-	adev->pm.dpm_enabled = enabled;
-
-	return 0;
-}
-
 static const struct cgs_ops amdgpu_cgs_ops = {
 	.read_register = amdgpu_cgs_read_register,
 	.write_register = amdgpu_cgs_write_register,
 	.read_ind_register = amdgpu_cgs_read_ind_register,
 	.write_ind_register = amdgpu_cgs_write_ind_register,
-	.get_pci_resource = amdgpu_cgs_get_pci_resource,
 	.atom_get_data_table = amdgpu_cgs_atom_get_data_table,
 	.atom_get_cmd_table_revs = amdgpu_cgs_atom_get_cmd_table_revs,
 	.atom_exec_cmd_table = amdgpu_cgs_atom_exec_cmd_table,
 	.get_firmware_info = amdgpu_cgs_get_firmware_info,
-	.rel_firmware = amdgpu_cgs_rel_firmware,
 	.set_powergating_state = amdgpu_cgs_set_powergating_state,
 	.set_clockgating_state = amdgpu_cgs_set_clockgating_state,
 	.get_active_displays_info = amdgpu_cgs_get_active_displays_info,
-	.notify_dpm_enabled = amdgpu_cgs_notify_dpm_enabled,
-	.is_virtualization_enabled = amdgpu_cgs_is_virtualization_enabled,
-	.enter_safe_mode = amdgpu_cgs_enter_safe_mode,
-	.lock_grbm_idx = amdgpu_cgs_lock_grbm_idx,
 };
 
 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index f2814ae..d5f35b0 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -76,17 +76,6 @@ enum cgs_ucode_id {
 	CGS_UCODE_ID_MAXIMUM,
 };
 
-/*
- * enum cgs_resource_type - GPU resource type
- */
-enum cgs_resource_type {
-	CGS_RESOURCE_TYPE_MMIO = 0,
-	CGS_RESOURCE_TYPE_FB,
-	CGS_RESOURCE_TYPE_IO,
-	CGS_RESOURCE_TYPE_DOORBELL,
-	CGS_RESOURCE_TYPE_ROM,
-};
-
 /**
  * struct cgs_firmware_info - Firmware information
  */
@@ -170,21 +159,6 @@ typedef void (*cgs_write_ind_register_t)(struct cgs_device *cgs_device, enum cgs
 #define CGS_WREG32_FIELD_IND(device, space, reg, field, val)	\
 	cgs_write_ind_register(device, space, ix##reg, (cgs_read_ind_register(device, space, ix##reg) & ~CGS_REG_FIELD_MASK(reg, field)) | (val) << CGS_REG_FIELD_SHIFT(reg, field))
 
-/**
- * cgs_get_pci_resource() - provide access to a device resource (PCI BAR)
- * @cgs_device:	opaque device handle
- * @resource_type:	Type of Resource (MMIO, IO, ROM, FB, DOORBELL)
- * @size:	size of the region
- * @offset:	offset from the start of the region
- * @resource_base:	base address (not including offset) returned
- *
- * Return: 0 on success, -errno otherwise
- */
-typedef int (*cgs_get_pci_resource_t)(struct cgs_device *cgs_device,
-				      enum cgs_resource_type resource_type,
-				      uint64_t size,
-				      uint64_t offset,
-				      uint64_t *resource_base);
 
 /**
  * cgs_atom_get_data_table() - Get a pointer to an ATOM BIOS data table
@@ -235,9 +209,6 @@ typedef int (*cgs_get_firmware_info)(struct cgs_device *cgs_device,
 				     enum cgs_ucode_id type,
 				     struct cgs_firmware_info *info);
 
-typedef int (*cgs_rel_firmware)(struct cgs_device *cgs_device,
-					 enum cgs_ucode_id type);
-
 typedef int(*cgs_set_powergating_state)(struct cgs_device *cgs_device,
 				  enum amd_ip_block_type block_type,
 				  enum amd_powergating_state state);
@@ -250,13 +221,6 @@ typedef int(*cgs_get_active_displays_info)(
 					struct cgs_device *cgs_device,
 					struct cgs_display_info *info);
 
-typedef int (*cgs_notify_dpm_enabled)(struct cgs_device *cgs_device, bool enabled);
-
-typedef int (*cgs_is_virtualization_enabled_t)(void *cgs_device);
-
-typedef int (*cgs_enter_safe_mode)(struct cgs_device *cgs_device, bool en);
-
-typedef void (*cgs_lock_grbm_idx)(struct cgs_device *cgs_device, bool lock);
 
 struct cgs_ops {
 	/* MMIO access */
@@ -264,25 +228,17 @@ struct cgs_ops {
 	cgs_write_register_t write_register;
 	cgs_read_ind_register_t read_ind_register;
 	cgs_write_ind_register_t write_ind_register;
-	/* PCI resources */
-	cgs_get_pci_resource_t get_pci_resource;
 	/* ATOM BIOS */
 	cgs_atom_get_data_table_t atom_get_data_table;
 	cgs_atom_get_cmd_table_revs_t atom_get_cmd_table_revs;
 	cgs_atom_exec_cmd_table_t atom_exec_cmd_table;
 	/* Firmware Info */
 	cgs_get_firmware_info get_firmware_info;
-	cgs_rel_firmware rel_firmware;
 	/* cg pg interface*/
 	cgs_set_powergating_state set_powergating_state;
 	cgs_set_clockgating_state set_clockgating_state;
 	/* display manager */
 	cgs_get_active_displays_info get_active_displays_info;
-	/* notify dpm enabled */
-	cgs_notify_dpm_enabled notify_dpm_enabled;
-	cgs_is_virtualization_enabled_t is_virtualization_enabled;
-	cgs_enter_safe_mode enter_safe_mode;
-	cgs_lock_grbm_idx lock_grbm_idx;
 };
 
 struct cgs_os_ops; /* To be define in OS-specific CGS header */
@@ -318,31 +274,14 @@ struct cgs_device
 
 #define cgs_get_firmware_info(dev, type, info)	\
 	CGS_CALL(get_firmware_info, dev, type, info)
-#define cgs_rel_firmware(dev, type)	\
-	CGS_CALL(rel_firmware, dev, type)
 #define cgs_set_powergating_state(dev, block_type, state)	\
 	CGS_CALL(set_powergating_state, dev, block_type, state)
 #define cgs_set_clockgating_state(dev, block_type, state)	\
 	CGS_CALL(set_clockgating_state, dev, block_type, state)
-#define cgs_notify_dpm_enabled(dev, enabled)	\
-	CGS_CALL(notify_dpm_enabled, dev, enabled)
+
 
 #define cgs_get_active_displays_info(dev, info)	\
 	CGS_CALL(get_active_displays_info, dev, info)
 
-#define cgs_get_pci_resource(cgs_device, resource_type, size, offset, \
-	resource_base) \
-	CGS_CALL(get_pci_resource, cgs_device, resource_type, size, offset, \
-	resource_base)
-
-#define cgs_is_virtualization_enabled(cgs_device) \
-		CGS_CALL(is_virtualization_enabled, cgs_device)
-
-#define cgs_enter_safe_mode(cgs_device, en) \
-		CGS_CALL(enter_safe_mode, cgs_device, en)
-
-#define cgs_lock_grbm_idx(cgs_device, lock) \
-		CGS_CALL(lock_grbm_idx, cgs_device, lock)
-
 
 #endif /* _CGS_COMMON_H */
-- 
1.9.1



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