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authorDave Airlie <airlied@redhat.com>2025-09-12 13:37:32 +1000
committerDave Airlie <airlied@redhat.com>2025-09-12 13:37:41 +1000
commitcf99b26d3081b1f9961cc213415867706d19a414 (patch)
tree297925ddee936e6e956138cccc530c204a7f8a83 /drivers/gpu/drm/amd/amdgpu/atom.c
parent8d04ea1a92b843890b874551959a9b21bc7f30d4 (diff)
parent2fd653b9bb5aacec5d4c421ab290905898fe85a2 (diff)
Merge tag 'amd-drm-next-6.18-2025-09-09' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.18-2025-09-09: amdgpu: - Add CRIU support for gem objects - SI UVD fix - SI DPM fixes - Misc code cleanups - RAS updates - GPUVM debugfs fixes - Cyan Skillfish updates - UserQ updates - OEM i2c fix - SMU 13.0.x updates - DPCD probe quirk fix - Make vbios build number available in sysfs - HDCP updates - Brightness curve fixes - eDP updates - Vblank fixes - DCN 3.5 PG fix - PBN calcution fix amdkfd: - Add CRIU support for gem objects - Flexible array fix - P2P topology fix - APU memlimit fixes - Misc code cleanups UAPI: - Add CRIU support for gem objects Proposed userspace: https://github.com/checkpoint-restore/criu/pull/2613 radeon: - Use dev_warn_once() in CS parsers Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20250909161928.942785-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/atom.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atom.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 427b073de2fc..1c994d0cc50b 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -1494,6 +1494,27 @@ static void atom_get_vbios_version(struct atom_context *ctx)
}
}
+static void atom_get_vbios_build(struct atom_context *ctx)
+{
+ unsigned char *atom_rom_hdr;
+ unsigned char *str;
+ uint16_t base;
+
+ base = CU16(ATOM_ROM_TABLE_PTR);
+ atom_rom_hdr = CSTR(base);
+
+ str = CSTR(CU16(base + ATOM_ROM_CFG_PTR));
+ /* Skip config string */
+ while (str < atom_rom_hdr && *str++)
+ ;
+ /* Skip change list string */
+ while (str < atom_rom_hdr && *str++)
+ ;
+
+ if ((str + STRLEN_NORMAL) < atom_rom_hdr)
+ strscpy(ctx->build_num, str, STRLEN_NORMAL);
+}
+
struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
{
int base;
@@ -1554,6 +1575,7 @@ struct atom_context *amdgpu_atom_parse(struct card_info *card, void *bios)
atom_get_vbios_pn(ctx);
atom_get_vbios_date(ctx);
atom_get_vbios_version(ctx);
+ atom_get_vbios_build(ctx);
return ctx;
}