From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 23 May 2022 15:24:31 +0000 (-0400)
Subject: drm/amdgpu: differentiate between LP and non-LP DDR memory
X-Git-Tag: v5.19-rc1~56^2~3^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d534ca7128d7bf681ed6d462c09b9d6ffb3bed91;p=thirdparty%2Fkernel%2Flinux.git

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>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index 63e0293edc5fe..fd8f3731758ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -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;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 5444515c1476e..e1e6441c475f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -1018,7 +1018,9 @@ static const char *amdgpu_vram_names[] = {
 	"DDR3",
 	"DDR4",
 	"GDDR6",
-	"DDR5"
+	"DDR5",
+	"LPDDR4",
+	"LPDDR5"
 };
 
 /**
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 9a1d210d135dd..d9d475d65c76b 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -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 */