[PATCH] drm/amdgpu: Revert vbios info ioctl patches
Jiawei Gu
Jiawei.Gu at amd.com
Mon May 17 11:38:44 UTC 2021
Revert "drm/amdgpu: Add vbios info ioctl interface"
Revert "drm/amdgpu: Field type update in drm_amdgpu_info_vbios"
This reverts commits:
d75a789ace808b738081322f27dcb1abe5cc9aa9.
50c70d479041e2d8a6a22b2ee4d76cfea1327576.
Reason for revert: Step back to update uapi in a single patch
Signed-off-by: Jiawei Gu <Jiawei.Gu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 19 ---
drivers/gpu/drm/amd/amdgpu/atom.c | 158 ---------------------
drivers/gpu/drm/amd/amdgpu/atom.h | 11 --
drivers/gpu/drm/amd/include/atomfirmware.h | 4 -
include/uapi/drm/amdgpu_drm.h | 15 --
5 files changed, 207 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index e1008a79b441..8d12e474745a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -861,25 +861,6 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
min((size_t)size, (size_t)(bios_size - bios_offset)))
? -EFAULT : 0;
}
- case AMDGPU_INFO_VBIOS_INFO: {
- struct drm_amdgpu_info_vbios vbios_info = {};
- struct atom_context *atom_context;
-
- atom_context = adev->mode_info.atom_context;
- memcpy(vbios_info.name, atom_context->name, sizeof(atom_context->name));
- vbios_info.dbdf = PCI_DEVID(adev->pdev->bus->number, adev->pdev->devfn);
- memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeof(atom_context->vbios_pn));
- vbios_info.version = atom_context->version;
- memcpy(vbios_info.date, atom_context->date, sizeof(atom_context->date));
- vbios_info.serial = adev->unique_id;
- vbios_info.dev_id = adev->pdev->device;
- vbios_info.rev_id = adev->pdev->revision;
- vbios_info.sub_dev_id = atom_context->sub_dev_id;
- vbios_info.sub_ved_id = atom_context->sub_ved_id;
-
- return copy_to_user(out, &vbios_info,
- min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
- }
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->vbios_info.type);
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 0e2f0ea13b40..3dcb8b32f48b 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -31,7 +31,6 @@
#define ATOM_DEBUG
-#include "atomfirmware.h"
#include "atom.h"
#include "atom-names.h"
#include "atom-bits.h"
@@ -1300,153 +1299,12 @@ static void atom_index_iio(struct atom_context *ctx, int base)
}
}
-static void atom_get_vbios_name(struct atom_context *ctx)
-{
- unsigned char *p_rom;
- unsigned char str_num;
- unsigned short off_to_vbios_str;
- unsigned char *c_ptr;
- int name_size;
- int i;
-
- const char *na = "--N/A--";
- char *back;
-
- p_rom = ctx->bios;
-
- str_num = *(p_rom + OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS);
- if (str_num != 0) {
- off_to_vbios_str =
- *(unsigned short *)(p_rom + OFFSET_TO_GET_ATOMBIOS_STRING_START);
-
- c_ptr = (unsigned char *)(p_rom + off_to_vbios_str);
- } else {
- /* do not know where to find name */
- memcpy(ctx->name, na, 7);
- ctx->name[7] = 0;
- return;
- }
-
- /*
- * skip the atombios strings, usually 4
- * 1st is P/N, 2nd is ASIC, 3rd is PCI type, 4th is Memory type
- */
- for (i = 0; i < str_num; i++) {
- while (*c_ptr != 0)
- c_ptr++;
- c_ptr++;
- }
-
- /* skip the following 2 chars: 0x0D 0x0A */
- c_ptr += 2;
-
- name_size = strnlen(c_ptr, STRLEN_LONG - 1);
- memcpy(ctx->name, c_ptr, name_size);
- back = ctx->name + name_size;
- while ((*--back) == ' ')
- ;
- *(back + 1) = '\0';
-}
-
-static void atom_get_vbios_date(struct atom_context *ctx)
-{
- unsigned char *p_rom;
- unsigned char *date_in_rom;
-
- p_rom = ctx->bios;
-
- date_in_rom = p_rom + OFFSET_TO_VBIOS_DATE;
-
- ctx->date[0] = '2';
- ctx->date[1] = '0';
- ctx->date[2] = date_in_rom[6];
- ctx->date[3] = date_in_rom[7];
- ctx->date[4] = '/';
- ctx->date[5] = date_in_rom[0];
- ctx->date[6] = date_in_rom[1];
- ctx->date[7] = '/';
- ctx->date[8] = date_in_rom[3];
- ctx->date[9] = date_in_rom[4];
- ctx->date[10] = ' ';
- ctx->date[11] = date_in_rom[9];
- ctx->date[12] = date_in_rom[10];
- ctx->date[13] = date_in_rom[11];
- ctx->date[14] = date_in_rom[12];
- ctx->date[15] = date_in_rom[13];
- ctx->date[16] = '\0';
-}
-
-static unsigned char *atom_find_str_in_rom(struct atom_context *ctx, char *str, int start,
- int end, int maxlen)
-{
- unsigned long str_off;
- unsigned char *p_rom;
- unsigned short str_len;
-
- str_off = 0;
- str_len = strnlen(str, maxlen);
- p_rom = ctx->bios;
-
- for (; start <= end; ++start) {
- for (str_off = 0; str_off < str_len; ++str_off) {
- if (str[str_off] != *(p_rom + start + str_off))
- break;
- }
-
- if (str_off == str_len || str[str_off] == 0)
- return p_rom + start;
- }
- return NULL;
-}
-
-static void atom_get_vbios_pn(struct atom_context *ctx)
-{
- unsigned char *p_rom;
- unsigned short off_to_vbios_str;
- unsigned char *vbios_str;
- int count;
-
- off_to_vbios_str = 0;
- p_rom = ctx->bios;
-
- if (*(p_rom + OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS) != 0) {
- off_to_vbios_str =
- *(unsigned short *)(p_rom + OFFSET_TO_GET_ATOMBIOS_STRING_START);
-
- vbios_str = (unsigned char *)(p_rom + off_to_vbios_str);
- } else {
- vbios_str = p_rom + OFFSET_TO_VBIOS_PART_NUMBER;
- }
-
- if (*vbios_str == 0) {
- vbios_str = atom_find_str_in_rom(ctx, BIOS_ATOM_PREFIX, 3, 1024, 64);
- if (vbios_str == NULL)
- vbios_str += sizeof(BIOS_ATOM_PREFIX) - 1;
- }
- if (vbios_str != NULL && *vbios_str == 0)
- vbios_str++;
-
- if (vbios_str != NULL) {
- count = 0;
- while ((count < BIOS_STRING_LENGTH) && vbios_str[count] >= ' ' &&
- vbios_str[count] <= 'z') {
- ctx->vbios_pn[count] = vbios_str[count];
- count++;
- }
-
- ctx->vbios_pn[count] = 0;
- }
-}
-
struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
{
int base;
struct atom_context *ctx =
kzalloc(sizeof(struct atom_context), GFP_KERNEL);
char *str;
- struct _ATOM_ROM_HEADER *atom_rom_header;
- struct _ATOM_MASTER_DATA_TABLE *master_table;
- struct _ATOM_FIRMWARE_INFO *atom_fw_info;
u16 idx;
if (!ctx)
@@ -1495,22 +1353,6 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
strlcpy(ctx->vbios_version, str, sizeof(ctx->vbios_version));
}
- atom_rom_header = (struct _ATOM_ROM_HEADER *)CSTR(base);
- ctx->sub_dev_id = atom_rom_header->usSubsystemVendorID;
- ctx->sub_ved_id = atom_rom_header->usSubsystemID;
- if (atom_rom_header->usMasterDataTableOffset != 0) {
- master_table = (struct _ATOM_MASTER_DATA_TABLE *)
- CSTR(atom_rom_header->usMasterDataTableOffset);
- if (master_table->ListOfDataTables.FirmwareInfo != 0) {
- atom_fw_info = (struct _ATOM_FIRMWARE_INFO *)
- CSTR(master_table->ListOfDataTables.FirmwareInfo);
- ctx->version = atom_fw_info->ulFirmwareRevision;
- }
- }
-
- atom_get_vbios_name(ctx);
- atom_get_vbios_pn(ctx);
- atom_get_vbios_date(ctx);
return ctx;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.h b/drivers/gpu/drm/amd/amdgpu/atom.h
index c729f7ceba4f..d279759cab47 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.h
+++ b/drivers/gpu/drm/amd/amdgpu/atom.h
@@ -112,10 +112,6 @@ struct drm_device;
#define ATOM_IO_SYSIO 2
#define ATOM_IO_IIO 0x80
-#define STRLEN_NORMAL 32
-#define STRLEN_LONG 64
-#define STRLEN_VERYLONG 254
-
struct card_info {
struct drm_device *dev;
void (* reg_write)(struct card_info *, uint32_t, uint32_t); /* filled by driver */
@@ -144,13 +140,6 @@ struct atom_context {
uint32_t *scratch;
int scratch_size_bytes;
char vbios_version[20];
-
- uint8_t name[STRLEN_LONG];
- uint8_t vbios_pn[STRLEN_LONG];
- uint32_t version;
- uint8_t date[STRLEN_NORMAL];
- uint32_t sub_dev_id;
- uint32_t sub_ved_id;
};
extern int amdgpu_atom_debug;
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h
index 14d0d7d58255..275468e4be60 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -197,8 +197,6 @@ enum atom_dp_vs_preemph_def{
DP_VS_LEVEL0_PREEMPH_LEVEL3 = 0x18,
};
-#define BIOS_ATOM_PREFIX "ATOMBIOS"
-#define BIOS_STRING_LENGTH 43
/*
enum atom_string_def{
@@ -217,8 +215,6 @@ enum atombios_image_offset{
MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE = 20, /*including the terminator 0x0!*/
OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS = 0x2f,
OFFSET_TO_GET_ATOMBIOS_STRING_START = 0x6e,
- OFFSET_TO_VBIOS_PART_NUMBER = 0x80,
- OFFSET_TO_VBIOS_DATE = 0x50,
};
/****************************************************************************
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 2d9e84658bbc..9169df7fadee 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -756,8 +756,6 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_INFO_VBIOS_SIZE 0x1
/* Subquery id: Query vbios image */
#define AMDGPU_INFO_VBIOS_IMAGE 0x2
- /* Subquery id: Query vbios info */
- #define AMDGPU_INFO_VBIOS_INFO 0x3
/* Query UVD handles */
#define AMDGPU_INFO_NUM_HANDLES 0x1C
/* Query sensor related information */
@@ -951,19 +949,6 @@ struct drm_amdgpu_info_firmware {
__u32 feature;
};
-struct drm_amdgpu_info_vbios {
- __u8 name[64];
- __u32 dbdf;
- __u8 vbios_pn[64];
- __u32 version;
- __u8 date[32];
- __u64 serial;
- __u32 dev_id;
- __u32 rev_id;
- __u32 sub_dev_id;
- __u32 sub_ved_id;
-};
-
#define AMDGPU_VRAM_TYPE_UNKNOWN 0
#define AMDGPU_VRAM_TYPE_GDDR1 1
#define AMDGPU_VRAM_TYPE_DDR2 2
--
2.17.1
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