Reviewed-by: Alex Hung <[email protected]>
On 3/13/26 12:22, [email protected] wrote:
From: Leo Li <[email protected]>
[Why]
Newer DCN bandwidth calculations require new definitions.
[How]
Add new fields cpu_id and vram_bit_width for
atom_integrated_system_info_v2_3, and add a memtype for LpDDR5x.
Signed-off-by: Leo Li <[email protected]>
---
drivers/gpu/drm/amd/include/atomfirmware.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h
b/drivers/gpu/drm/amd/include/atomfirmware.h
index 18f9642a42eed..62f7ed0b20667 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -1695,7 +1695,9 @@ struct atom_integrated_system_info_v2_3 {
uint8_t gpu_package_id;
struct edp_info_table edp1_info;
struct edp_info_table edp2_info;
- uint32_t reserved2[8];
+ uint32_t cpuid;
+ uint32_t vram_bit_width;
+ uint32_t reserved2[6];
struct atom_external_display_connection_info extdispconninfo;
uint8_t UMACarveoutVersion;
uint8_t UMACarveoutIndexMax;
@@ -1770,6 +1772,7 @@ enum atom_dmi_t17_mem_type_def{
Hbm2MemType, ///< Assign 33 to HBM2
Ddr5MemType, ///< Assign 34 to DDR5
LpDdr5MemType, ///< Assign 35 to
LPDDR5
+ LpDdr5xMemType, ///< Assign 36 to
LPDDR5x
};
