[AMD Official Use Only - AMD Internal Distribution Only]
Reviewed-by: Hawking Zhang <hawking.zh...@amd.com>
Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Alex Deucher
Sent: Monday, August 4, 2025 23:43
To: amd-gfx@lists.freedesktop.org
Cc: Deucher, Alexander <alexander.deuc...@amd.com>
Subject: [PATCH] drm/amdgpu: add missing vram lost check for LEGACY RESET
Legacy resets reset the memory controllers so VRAM contents may be unreliable
after reset.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 3fb41c42cc051..6119302aa0661 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3274,6 +3274,7 @@ static bool amdgpu_device_check_vram_lost(struct
amdgpu_device *adev)
* always assumed to be lost.
*/
switch (amdgpu_asic_reset_method(adev)) {
+ case AMD_RESET_METHOD_LEGACY:
case AMD_RESET_METHOD_LINK:
case AMD_RESET_METHOD_BACO:
case AMD_RESET_METHOD_MODE1:
--
2.50.1
