[PATCH 7/7] drm/amdgpu: set vram type for GC 9.5.0

[Zhang, Hawking]

[AMD Official Use Only - AMD Internal Distribution Only]

"vendor" is not needed at this stage.

Regards,
Hawking

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Tao Zhou
Sent: Wednesday, April 30, 2025 16:26
To: amd-gfx at lists.freedesktop.org
Cc: Zhou1, Tao <Tao.Zhou1 at amd.com>
Subject: [PATCH 7/7] drm/amdgpu: set vram type for GC 9.5.0

Set vram type and vendor so we can take different actions per the type.

Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 464015fc2012..ac21197bf0de 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -64,6 +64,7 @@

 #include "amdgpu_ras.h"
 #include "amdgpu_xgmi.h"
+#include "atom.h"

 /* add these here since we already include dce12 headers and these are for DCN */
 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION                                                          0x055d
@@ -2075,6 +2076,11 @@ static void gmc_v9_4_3_init_vram_info(struct amdgpu_device *adev)  {
        adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM;
        adev->gmc.vram_width = 128 * 64;
+
+       if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0)) {
+               adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM3E;
+               adev->gmc.vram_vendor = SAMSUNG;
+       }
 }

 static int gmc_v9_0_sw_init(struct amdgpu_ip_block *ip_block)
--
2.34.1