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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:40:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:40:19 +0000
commit9f0fc191371843c4fc000a226b0a26b6c059aacd (patch)
tree35f8be3ef04506ac891ad001e8c41e535ae8d01d /drivers/gpu/drm/amd/amdgpu/atom.c
parentReleasing progress-linux version 6.6.15-2~progress7.99u1. (diff)
downloadlinux-9f0fc191371843c4fc000a226b0a26b6c059aacd.tar.xz
linux-9f0fc191371843c4fc000a226b0a26b6c059aacd.zip
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atom.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atom.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 9f63ddb89b..2c22100078 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -1444,10 +1444,27 @@ static void atom_get_vbios_pn(struct atom_context *ctx)
static void atom_get_vbios_version(struct atom_context *ctx)
{
+ unsigned short start = 3, end;
unsigned char *vbios_ver;
+ unsigned char *p_rom;
+
+ p_rom = ctx->bios;
+ /* Search from strings offset if it's present */
+ start = *(unsigned short *)(p_rom +
+ OFFSET_TO_GET_ATOMBIOS_STRING_START);
+
+ /* Search till atom rom header start point */
+ end = *(unsigned short *)(p_rom + OFFSET_TO_ATOM_ROM_HEADER_POINTER);
+
+ /* Use hardcoded offsets, if the offsets are not populated */
+ if (end <= start) {
+ start = 3;
+ end = 1024;
+ }
/* find anchor ATOMBIOSBK-AMD */
- vbios_ver = atom_find_str_in_rom(ctx, BIOS_VERSION_PREFIX, 3, 1024, 64);
+ vbios_ver =
+ atom_find_str_in_rom(ctx, BIOS_VERSION_PREFIX, start, end, 64);
if (vbios_ver != NULL) {
/* skip ATOMBIOSBK-AMD VER */
vbios_ver += 18;