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boundary="===============0870304833==" Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" --===============0870304833== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_DM6PR12MB4170A07B0FADBEF73D359B6CF8459DM6PR12MB4170namp_" --_000_DM6PR12MB4170A07B0FADBEF73D359B6CF8459DM6PR12MB4170namp_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable [AMD Official Use Only - Internal Distribution Only] Hi Christian, It will be used by a user space SMI-lib for GPU status query. Hi David, please feel free to correct my statement since I'm not sure I hav= e a view of whole picture. Thanks, Jiawei From: Christian K=F6nig Sent: Thursday, April 22, 2021 9:27 PM To: Gu, JiaWei (Will) ; amd-gfx@lists.freedesktop.org Cc: Deucher, Alexander ; StDenis, Tom Subject: Re: [PATCH] drm/amdgpu: Add vbios info ioctl interface Is that useful to Vulkan/OpenGL/other clients in any way? Christian. Am 22.04.21 um 15:18 schrieb Gu, JiaWei (Will): CC Tom. On Apr 22, 2021, at 21:09, Gu, JiaWei (Will) wrote: <[v2][umr]add-vbios-info-query.patch> UMR patch which calls this new IOCTL attached. Best regards, Jiawei On Apr 22, 2021, at 10:34, Jiawei Gu wrote: Add AMDGPU_INFO_VBIOS_INFO subquery id for detailed vbios info. Signed-off-by: Jiawei Gu --- 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 | 16 ++- include/uapi/drm/amdgpu_drm.h | 15 ++ 5 files changed, 213 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/= amdgpu/amdgpu_kms.c index 39ee88d29cca..a20b016b05ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -861,6 +861,25 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *da= ta, 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 =3D {}; + struct atom_context *atom_context; + + atom_context =3D adev->mode_info.atom_context; + memcpy(vbios_info.name, atom_context->name, sizeof(atom_c= ontext->name)); + vbios_info.dbdf =3D PCI_DEVID(adev->pdev->bus->number, ad= ev->pdev->devfn); + memcpy(vbios_info.vbios_pn, atom_context->vbios_pn, sizeo= f(atom_context->vbios_pn)); + vbios_info.version =3D atom_context->version; + memcpy(vbios_info.date, atom_context->date, sizeof(atom_c= ontext->date)); + memcpy(vbios_info.serial, adev->serial, sizeof(adev->seri= al)); + vbios_info.dev_id =3D adev->pdev->device; + vbios_info.rev_id =3D adev->pdev->revision; + vbios_info.sub_dev_id =3D atom_context->sub_dev_id; + vbios_info.sub_ved_id =3D 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 3dcb8b32f48b..0e2f0ea13b40 100644 --- a/drivers/gpu/drm/amd/amdgpu/atom.c +++ b/drivers/gpu/drm/amd/amdgpu/atom.c @@ -31,6 +31,7 @@ #define ATOM_DEBUG +#include "atomfirmware.h" #include "atom.h" #include "atom-names.h" #include "atom-bits.h" @@ -1299,12 +1300,153 @@ static void atom_index_iio(struct atom_context *ct= x, 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 =3D "--N/A--"; + char *back; + + p_rom =3D ctx->bios; + + str_num =3D *(p_rom + OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS); + if (str_num !=3D 0) { + off_to_vbios_str =3D + *(unsigned short *)(p_rom + OFFSET_TO_GET_ATOMBIOS_STRI= NG_START); + + c_ptr =3D (unsigned char *)(p_rom + off_to_vbios_str); + } else { + /* do not know where to find name */ + memcpy(ctx->name, na, 7); + ctx->name[7] =3D 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 =3D 0; i < str_num; i++) { + while (*c_ptr !=3D 0) + c_ptr++; + c_ptr++; + } + + /* skip the following 2 chars: 0x0D 0x0A */ + c_ptr +=3D 2; + + name_size =3D strnlen(c_ptr, STRLEN_LONG - 1); + memcpy(ctx->name, c_ptr, name_size); + back =3D ctx->name + name_size; + while ((*--back) =3D=3D ' ') + ; + *(back + 1) =3D '\0'; +} + +static void atom_get_vbios_date(struct atom_context *ctx) +{ + unsigned char *p_rom; + unsigned char *date_in_rom; + + p_rom =3D ctx->bios; + + date_in_rom =3D p_rom + OFFSET_TO_VBIOS_DATE; + + ctx->date[0] =3D '2'; + ctx->date[1] =3D '0'; + ctx->date[2] =3D date_in_rom[6]; + ctx->date[3] =3D date_in_rom[7]; + ctx->date[4] =3D '/'; + ctx->date[5] =3D date_in_rom[0]; + ctx->date[6] =3D date_in_rom[1]; + ctx->date[7] =3D '/'; + ctx->date[8] =3D date_in_rom[3]; + ctx->date[9] =3D date_in_rom[4]; + ctx->date[10] =3D ' '; + ctx->date[11] =3D date_in_rom[9]; + ctx->date[12] =3D date_in_rom[10]; + ctx->date[13] =3D date_in_rom[11]; + ctx->date[14] =3D date_in_rom[12]; + ctx->date[15] =3D date_in_rom[13]; + ctx->date[16] =3D '\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 =3D 0; + str_len =3D strnlen(str, maxlen); + p_rom =3D ctx->bios; + + for (; start <=3D end; ++start) { + for (str_off =3D 0; str_off < str_len; ++str_off) { + if (str[str_off] !=3D *(p_rom + start + str_off)) + break; + } + + if (str_off =3D=3D str_len || str[str_off] =3D=3D 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 =3D 0; + p_rom =3D ctx->bios; + + if (*(p_rom + OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS) !=3D 0) { + off_to_vbios_str =3D + *(unsigned short *)(p_rom + OFFSET_TO_GET_ATOMBIOS_STRI= NG_START); + + vbios_str =3D (unsigned char *)(p_rom + off_to_vbios_str); + } else { + vbios_str =3D p_rom + OFFSET_TO_VBIOS_PART_NUMBER; + } + + if (*vbios_str =3D=3D 0) { + vbios_str =3D atom_find_str_in_rom(ctx, BIOS_ATOM_PREFIX, 3, 1= 024, 64); + if (vbios_str =3D=3D NULL) + vbios_str +=3D sizeof(BIOS_ATOM_PREFIX) - 1; + } + if (vbios_str !=3D NULL && *vbios_str =3D=3D 0) + vbios_str++; + + if (vbios_str !=3D NULL) { + count =3D 0; + while ((count < BIOS_STRING_LENGTH) && vbios_str[count] >=3D '= ' && + vbios_str[count] <=3D 'z') { + ctx->vbios_pn[count] =3D vbios_str[count]; + count++; + } + + ctx->vbios_pn[count] =3D 0; + } +} + struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios) { int base; struct atom_context *ctx =3D 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) @@ -1353,6 +1495,22 @@ struct atom_context *amdgpu_atom_parse(struct card_i= nfo *card, void *bios) strlcpy(ctx->vbios_version, str, sizeof(ctx->vbios_version)); } + atom_rom_header =3D (struct _ATOM_ROM_HEADER *)CSTR(base); + ctx->sub_dev_id =3D atom_rom_header->usSubsystemVendorID; + ctx->sub_ved_id =3D atom_rom_header->usSubsystemID; + if (atom_rom_header->usMasterDataTableOffset !=3D 0) { + master_table =3D (struct _ATOM_MASTER_DATA_TABLE *) + CSTR(atom_rom_header->usMasterDataTableOffset); + if (master_table->ListOfDataTables.FirmwareInfo !=3D 0) { + atom_fw_info =3D (struct _ATOM_FIRMWARE_INFO *) + CSTR(master_table->ListOfDataTables.FirmwareInf= o); + ctx->version =3D 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 d279759cab47..c729f7ceba4f 100644 --- a/drivers/gpu/drm/amd/amdgpu/atom.h +++ b/drivers/gpu/drm/amd/amdgpu/atom.h @@ -112,6 +112,10 @@ 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); /* fill= ed by driver */ @@ -140,6 +144,13 @@ 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/a= md/include/atomfirmware.h index c77ed38c20fb..3a8e404099b0 100644 --- a/drivers/gpu/drm/amd/include/atomfirmware.h +++ b/drivers/gpu/drm/amd/include/atomfirmware.h @@ -197,6 +197,8 @@ enum atom_dp_vs_preemph_def{ DP_VS_LEVEL0_PREEMPH_LEVEL3 =3D 0x18, }; +#define BIOS_ATOM_PREFIX "ATOMBIOS" +#define BIOS_STRING_LENGTH 43 /* enum atom_string_def{ @@ -209,12 +211,14 @@ atom_bios_string =3D "ATOM" #pragma pack(1) /* BIOS data must use byte aligmen= t*/ enum atombios_image_offset{ -OFFSET_TO_ATOM_ROM_HEADER_POINTER =3D0x00000048, -OFFSET_TO_ATOM_ROM_IMAGE_SIZE =3D0x00000002, -OFFSET_TO_ATOMBIOS_ASIC_BUS_MEM_TYPE =3D0x94, -MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE =3D20, /*including the termina= tor 0x0!*/ -OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS =3D0x2f, -OFFSET_TO_GET_ATOMBIOS_STRING_START =3D0x6e, + OFFSET_TO_ATOM_ROM_HEADER_POINTER =3D 0x00000048, + OFFSET_TO_ATOM_ROM_IMAGE_SIZE =3D 0x00000002, + OFFSET_TO_ATOMBIOS_ASIC_BUS_MEM_TYPE =3D 0x94, + MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE =3D 20, /*including the term= inator 0x0!*/ + OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS =3D 0x2f, + OFFSET_TO_GET_ATOMBIOS_STRING_START =3D 0x6e, + OFFSET_TO_VBIOS_PART_NUMBER =3D 0x80, + OFFSET_TO_VBIOS_DATE =3D 0x50, }; /**************************************************************************= ** diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 8b832f7458f2..77980445d486 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -758,6 +758,8 @@ 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 */ @@ -951,6 +953,19 @@ 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]; + __u8 serial[16]; + __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 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx --_000_DM6PR12MB4170A07B0FADBEF73D359B6CF8459DM6PR12MB4170namp_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

[AMD Official Use Only - I= nternal Distribution Only]

 

Hi Christian,

It will be used by a user space SMI-lib for GPU stat= us query.

 

Hi David, please feel free to correct my statement s= ince I’m not sure I have a view of whole picture.

 

Thanks,

Jiawei

 

From: Christian K=F6nig <ckoenig.leichtzum= erken@gmail.com>
Sent: Thursday, April 22, 2021 9:27 PM
To: Gu, JiaWei (Will) <JiaWei.Gu@amd.com>; amd-gfx@lists.freed= esktop.org
Cc: Deucher, Alexander <Alexander.Deucher@amd.com>; StDenis, T= om <Tom.StDenis@amd.com>
Subject: Re: [PATCH] drm/amdgpu: Add vbios info ioctl interface=

 

Is that useful to Vul= kan/OpenGL/other clients in any way?

Christian.

Am 22.04.21 um 15:18 schrieb Gu, JiaWei (Will):= 

 
CC Tom.
 
On Apr 22, 2021, at 21:09, Gu, JiaWei (Will) <JiaWei.Gu@amd.com> wrote:
 
<[v2][umr]add-vbios-info-query.patch>
UMR patch which calls this new IOCTL attached.
 
Best regards,
Jiawei
 
On Apr 22, 2021, at 10:34, Jiawei Gu <JiaWei.Gu@amd.com> wrote:
 
Add AMDGPU_INFO_VBIOS_INFO subquery id for detailed vbios info.
 
Signed-off-by: Jiawei Gu <Jiaw=
ei.Gu@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c    |  19 +=
++
drivers/gpu/drm/amd/amdgpu/atom.c      &=
nbsp;   | 158 +++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/atom.h      &=
nbsp;   |  11 ++
drivers/gpu/drm/amd/include/atomfirmware.h |  16 ++-

include/uapi/drm/amdgpu_drm.h       =
;       |  15 ++


5 files changed, 213 insertions(+), 6 deletions(-)


 


diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm=
/amd/amdgpu/amdgpu_kms.c


index 39ee88d29cca..a20b016b05ab 100644


--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c


+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c


@@ -861,6 +861,25 @@ int amdgpu_info_ioctl(struct drm_device *dev, voi=
d *data, struct drm_file *filp)


           &nbs=
p;            &=
nbsp;            &nb=
sp; min((size_t)size, (size_t)(bios_size - bios_offset)))


           &nbs=
p;            &=
nbsp;          ? -EFAULT : 0;<=
o:p>


           &nbs=
p; }


+            ca=
se AMDGPU_INFO_VBIOS_INFO: {


+           &nb=
sp;       struct drm_amdgpu_info_vbios vbios_=
info =3D {};


+           &nb=
sp;       struct atom_context *atom_context;<=
o:p>


+


+           &nb=
sp;       atom_context =3D adev->mode_info=
.atom_context;


+            &n=
bsp;    memcpy(vbios_info.name, atom_context->name, sizeo=
f(atom_context->name));


+            &n=
bsp;    vbios_info.dbdf =3D PCI_DEVID(adev->pdev->bus-=
>number, adev->pdev->devfn);


+            &n=
bsp;    memcpy(vbios_info.vbios_pn, atom_context->vbios_p=
n, sizeof(atom_context->vbios_pn));


+            &n=
bsp;    vbios_info.version =3D atom_context->version;


+            &n=
bsp;    memcpy(vbios_info.date, atom_context->date, sizeo=
f(atom_context->date));


+            &n=
bsp;    memcpy(vbios_info.serial, adev->serial, sizeof(ad=
ev->serial));


+            &n=
bsp;    vbios_info.dev_id =3D adev->pdev->device;=



+            &n=
bsp;    vbios_info.rev_id =3D adev->pdev->revision;


+            &n=
bsp;    vbios_info.sub_dev_id =3D atom_context->sub_dev_i=
d;


+            &n=
bsp;    vbios_info.sub_ved_id =3D atom_context->sub_ved_i=
d;


+


+           &nb=
sp;       return copy_to_user(out, &vbios=
_info,


+           &nb=
sp;            =
          min((size_t)size, si=
zeof(vbios_info))) ? -EFAULT : 0;


+            }<=
o:p>


           &nbs=
p; default:


           &nbs=
p;      DRM_DEBUG_KMS("Invalid request %d\n",=



           &nbs=
p;            &=
nbsp;   info->vbios_info.type);


diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/a=
mdgpu/atom.c


index 3dcb8b32f48b..0e2f0ea13b40 100644


--- a/drivers/gpu/drm/amd/amdgpu/atom.c


+++ b/drivers/gpu/drm/amd/amdgpu/atom.c


@@ -31,6 +31,7 @@


 


#define ATOM_DEBUG


 


+#include "atomfirmware.h"


#include "atom.h"


#include "atom-names.h"


#include "atom-bits.h"


@@ -1299,12 +1300,153 @@ static void atom_index_iio(struct atom_contex=
t *ctx, int base)


     }


}


 


+static void atom_get_vbios_name(struct atom_context *ctx)<=
/pre>

+{


+    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 =3D "--N/A--";=



+    char *back;


+


+    p_rom =3D ctx->bios;


+


+    str_num =3D *(p_rom + OFFSET_TO_GET_ATOMBIOS_NUMBE=
R_OF_STRINGS);


+    if (str_num !=3D 0) {


+            of=
f_to_vbios_str =3D


+           &nb=
sp;       *(unsigned short *)(p_rom + OFFSET_=
TO_GET_ATOMBIOS_STRING_START);


+


+            c_=
ptr =3D (unsigned char *)(p_rom + off_to_vbios_str);


+    } else {


+            /*=
 do not know where to find name */


+            me=
mcpy(ctx->name, na, 7);


+            ct=
x->name[7] =3D 0;


+            re=
turn;


+    }


+


+    /*


+     * skip the atombios strings, usually 4<=
/o:p>


+     * 1st is P/N, 2nd is ASIC, 3rd is PCI type, =
4th is Memory type


+     */


+    for (i =3D 0; i < str_num; i++) {

+            wh=
ile (*c_ptr !=3D 0)


+           &nb=
sp;       c_ptr++;


+            c_=
ptr++;


+    }


+


+    /* skip the following 2 chars: 0x0D 0x0A */


+    c_ptr +=3D 2;


+


+    name_size =3D strnlen(c_ptr, STRLEN_LONG - 1);


+    memcpy(ctx->name, c_ptr, name_size);=



+    back =3D ctx->name + name_size;

+    while ((*--back) =3D=3D ' ')


+            ;<=
o:p>


+    *(back + 1) =3D '\0';


+}


+


+static void atom_get_vbios_date(struct atom_context *ctx)<=
/pre>

+{


+    unsigned char *p_rom;


+    unsigned char *date_in_rom;


+


+    p_rom =3D ctx->bios;


+


+    date_in_rom =3D p_rom + OFFSET_TO_VBIOS_DATE;=



+


+    ctx->date[0] =3D '2';


+    ctx->date[1] =3D '0';


+    ctx->date[2] =3D date_in_rom[6];

+    ctx->date[3] =3D date_in_rom[7];

+    ctx->date[4] =3D '/';


+    ctx->date[5] =3D date_in_rom[0];

+    ctx->date[6] =3D date_in_rom[1];

+    ctx->date[7] =3D '/';


+    ctx->date[8] =3D date_in_rom[3];

+    ctx->date[9] =3D date_in_rom[4];

+    ctx->date[10] =3D ' ';


+    ctx->date[11] =3D date_in_rom[9];

+    ctx->date[12] =3D date_in_rom[10];

+    ctx->date[13] =3D date_in_rom[11];

+    ctx->date[14] =3D date_in_rom[12];

+    ctx->date[15] =3D date_in_rom[13];

+    ctx->date[16] =3D '\0';


+}


+


+static unsigned char *atom_find_str_in_rom(struct atom_context *ctx, =
char *str, int start,


+           &nb=
sp;            =
             int end=
, int maxlen)


+{


+    unsigned long str_off;


+    unsigned char *p_rom;


+    unsigned short str_len;


+


+    str_off =3D 0;


+    str_len =3D strnlen(str, maxlen);


+    p_rom =3D ctx->bios;


+


+    for (; start <=3D end; ++start) {

+            fo=
r (str_off =3D 0; str_off < str_len; ++str_off) {


+           &nb=
sp;       if (str[str_off] !=3D *(p_rom + sta=
rt + str_off))


+           &nb=
sp;            break;


+            }<=
o:p>


+


+            if=
 (str_off =3D=3D str_len || str[str_off] =3D=3D 0)


+           &nb=
sp;       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 =3D 0;


+    p_rom =3D ctx->bios;


+


+    if (*(p_rom + OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STR=
INGS) !=3D 0) {


+            of=
f_to_vbios_str =3D


+           &nb=
sp;       *(unsigned short *)(p_rom + OFFSET_=
TO_GET_ATOMBIOS_STRING_START);


+


+            vb=
ios_str =3D (unsigned char *)(p_rom + off_to_vbios_str);


+    } else {


+            vb=
ios_str =3D p_rom + OFFSET_TO_VBIOS_PART_NUMBER;


+    }


+


+    if (*vbios_str =3D=3D 0) {


+            vb=
ios_str =3D atom_find_str_in_rom(ctx, BIOS_ATOM_PREFIX, 3, 1024, 64);<=
/o:p>


+            if=
 (vbios_str =3D=3D NULL)


+           &nb=
sp;       vbios_str +=3D sizeof(BIOS_ATOM_PRE=
FIX) - 1;


+    }


+    if (vbios_str !=3D NULL && *vbios_str =3D=
=3D 0)


+            vb=
ios_str++;


+


+    if (vbios_str !=3D NULL) {


+            co=
unt =3D 0;


+            wh=
ile ((count < BIOS_STRING_LENGTH) && vbios_str[count] >=3D ' =
' &&


+            &n=
bsp;      vbios_str[count] <=3D 'z') {


+            &n=
bsp;    ctx->vbios_pn[count] =3D vbios_str[count];


+           &nb=
sp;       count++;


+            }<=
o:p>


+


+            ct=
x->vbios_pn[count] =3D 0;


+    }


+}


+


struct atom_context *amdgpu_atom_parse(struct card_info *card, void *b=
ios)


{


     int base;


     struct atom_context *ctx =3D


         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)


@@ -1353,6 +1495,22 @@ struct atom_context *amdgpu_atom_parse(struct c=
ard_info *card, void *bios)


          strlcpy(ctx->vbio=
s_version, str, sizeof(ctx->vbios_version));


     }


 


+    atom_rom_header =3D (struct _ATOM_ROM_HEADER *)CST=
R(base);


+    ctx->sub_dev_id =3D atom_rom_header->usSubsy=
stemVendorID;


+    ctx->sub_ved_id =3D atom_rom_header->usSubsy=
stemID;


+    if (atom_rom_header->usMasterDataTableOffset !=
=3D 0) {


+            ma=
ster_table =3D (struct _ATOM_MASTER_DATA_TABLE *)


+           &nb=
sp;        CSTR(atom_rom_header->usMa=
sterDataTableOffset);


+            if=
 (master_table->ListOfDataTables.FirmwareInfo !=3D 0) {


+           &nb=
sp;       atom_fw_info =3D (struct _ATOM_FIRM=
WARE_INFO *)


+           &nb=
sp;            =
   CSTR(master_table->ListOfDataTables.FirmwareInfo);


+           &nb=
sp;       ctx->version =3D atom_fw_info-&g=
t;ulFirmwareRevision;


+            }<=
o:p>


+    }


+


+    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/a=
mdgpu/atom.h


index d279759cab47..c729f7ceba4f 100644


--- a/drivers/gpu/drm/amd/amdgpu/atom.h


+++ b/drivers/gpu/drm/amd/amdgpu/atom.h


@@ -112,6 +112,10 @@ struct drm_device;


#define ATOM_IO_SYSIO        &=
nbsp;     2


#define ATOM_IO_IIO         0x=
80


 


+#define STRLEN_NORMAL        =
     32


+#define STRLEN_LONG        64=



+#define STRLEN_VERYLONG       &nbs=
p;   254


+


struct card_info {


     struct drm_device *dev;


     void (* reg_write)(struct card_info *, uint32=
_t, uint32_t);   /*  filled by driver */


@@ -140,6 +144,13 @@ 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 c77ed38c20fb..3a8e404099b0 100644


--- a/drivers/gpu/drm/amd/include/atomfirmware.h


+++ b/drivers/gpu/drm/amd/include/atomfirmware.h


@@ -197,6 +197,8 @@ enum atom_dp_vs_preemph_def{


 DP_VS_LEVEL0_PREEMPH_LEVEL3 =3D 0x18,


};


 


+#define BIOS_ATOM_PREFIX   "ATOMBIOS"<=
/pre>

+#define BIOS_STRING_LENGTH 43


 


/*


enum atom_string_def{


@@ -209,12 +211,14 @@ atom_bios_string     &n=
bsp;    =3D "ATOM"


#pragma pack(1)         &=
nbsp;            &nb=
sp;   /* BIOS data must use byte aligment*/


 


enum atombios_image_offset{


-OFFSET_TO_ATOM_ROM_HEADER_POINTER      =
    =3D0x00000048,


-OFFSET_TO_ATOM_ROM_IMAGE_SIZE      &nbs=
p;       =3D0x00000002,


-OFFSET_TO_ATOMBIOS_ASIC_BUS_MEM_TYPE     &nb=
sp; =3D0x94,


-MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE      =
=3D20,  /*including the terminator 0x0!*/


-OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS   =3D0x2f,


-OFFSET_TO_GET_ATOMBIOS_STRING_START     &nbs=
p;  =3D0x6e,


+  OFFSET_TO_ATOM_ROM_HEADER_POINTER     =
;     =3D 0x00000048,


+  OFFSET_TO_ATOM_ROM_IMAGE_SIZE     &nb=
sp;        =3D 0x00000002,

+  OFFSET_TO_ATOMBIOS_ASIC_BUS_MEM_TYPE    &n=
bsp;  =3D 0x94,


+  MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE    &=
nbsp; =3D 20,  /*including the terminator 0x0!*/


+  OFFSET_TO_GET_ATOMBIOS_NUMBER_OF_STRINGS   =3D 0x2f,=



+  OFFSET_TO_GET_ATOMBIOS_STRING_START    &nb=
sp;   =3D 0x6e,


+  OFFSET_TO_VBIOS_PART_NUMBER      =
;          =3D 0x80,


+  OFFSET_TO_VBIOS_DATE       =
            &nb=
sp;   =3D 0x50,


};


 


/*********************************************************************=
*******   


diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_d=
rm.h


index 8b832f7458f2..77980445d486 100644


--- a/include/uapi/drm/amdgpu_drm.h


+++ b/include/uapi/drm/amdgpu_drm.h


@@ -758,6 +758,8 @@ struct drm_amdgpu_cs_chunk_data {


     #define AMDGPU_INFO_VBIOS_SIZE  &nb=
sp;          0x1

     /* Subquery id: Query vbios image */


     #define AMDGPU_INFO_VBIOS_IMAGE  &n=
bsp;         0x2


+    /* Subquery id: Query vbios info */

+    #define AMDGPU_INFO_VBIOS_INFO   &n=
bsp;         0x3


/* Query UVD handles */


#define AMDGPU_INFO_NUM_HANDLES      &nb=
sp;            =
 0x1C


/* Query sensor related information */


@@ -951,6 +953,19 @@ 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];


+    __u8 serial[16];


+    __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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