Commit d534ca71 authored by Alex Deucher's avatar Alex Deucher
Browse files

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



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

Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a5457087

drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c

+6 −2
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+3 −1
Original line number Diff line number Diff line
@@ -1018,7 +1018,9 @@ static const char *amdgpu_vram_names[] = { 
	"DDR3",

	"DDR4",

	"GDDR6",

	"DDR5"

	"DDR5",

	"LPDDR4",

	"LPDDR5"

};



/**

include/uapi/drm/amdgpu_drm.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */