drm/amdgpu: differentiate between LP and non-LP DDR memory

Some applications want to know whether the memory is LP or
not.

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2022-05-23 11:24:31 -04:00
parent a5457087eb
commit d534ca7128
3 changed files with 11 additions and 3 deletions

View File

@ -188,13 +188,17 @@ static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
vram_type = AMDGPU_VRAM_TYPE_DDR3;
break;
case Ddr4MemType:
case LpDdr4MemType:
vram_type = AMDGPU_VRAM_TYPE_DDR4;
break;
case LpDdr4MemType:
vram_type = AMDGPU_VRAM_TYPE_LPDDR4;
break;
case Ddr5MemType:
case LpDdr5MemType:
vram_type = AMDGPU_VRAM_TYPE_DDR5;
break;
case LpDdr5MemType:
vram_type = AMDGPU_VRAM_TYPE_LPDDR5;
break;
default:
vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
break;

View File

@ -1018,7 +1018,9 @@ static const char *amdgpu_vram_names[] = {
"DDR3",
"DDR4",
"GDDR6",
"DDR5"
"DDR5",
"LPDDR4",
"LPDDR5"
};
/**

View File

@ -988,6 +988,8 @@ struct drm_amdgpu_info_vbios {
#define AMDGPU_VRAM_TYPE_DDR4 8
#define AMDGPU_VRAM_TYPE_GDDR6 9
#define AMDGPU_VRAM_TYPE_DDR5 10
#define AMDGPU_VRAM_TYPE_LPDDR4 11
#define AMDGPU_VRAM_TYPE_LPDDR5 12
struct drm_amdgpu_info_device {
/** PCI Device ID */