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drm/amdgpu: print full bios version in dmesg.

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v2: fix merge error.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Xiaojie Yuan <Xiaojie.Yuan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2017-03-06 11:33:25 +08:00 committed by Alex Deucher
parent c5cb934ebd
commit cf4270ec68
2 changed files with 9 additions and 14 deletions
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22
drivers/gpu/drm/amd/amdgpu/atom.c
View File

@ -1300,8 +1300,7 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
struct atom_context *ctx =
kzalloc(sizeof(struct atom_context), GFP_KERNEL);
char *str;
char name[512];
int i;
u16 idx;
if (!ctx)
return NULL;
@ -1339,18 +1338,13 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
return NULL;
}
str = CSTR(CU16(base + ATOM_ROM_MSG_PTR));
while (*str && ((*str == '\n') || (*str == '\r')))
str++;
/* name string isn't always 0 terminated */
for (i = 0; i < 511; i++) {
name[i] = str[i];
if (name[i] < '.' || name[i] > 'z') {
name[i] = 0;
break;
}
}
pr_info("ATOM BIOS: %s\n", name);
idx = CU16(ATOM_ROM_PART_NUMBER_PTR);
if (idx == 0)
idx = 0x80;
str = CSTR(idx);
if (*str != '\0')
pr_info("ATOM BIOS: %s\n", str);
return ctx;
}

1
drivers/gpu/drm/amd/amdgpu/atom.h
View File

@ -32,6 +32,7 @@
#define ATOM_ATI_MAGIC_PTR 0x30
#define ATOM_ATI_MAGIC " 761295520"
#define ATOM_ROM_TABLE_PTR 0x48
#define ATOM_ROM_PART_NUMBER_PTR 0x6E
#define ATOM_ROM_MAGIC "ATOM"
#define ATOM_ROM_MAGIC_PTR 4