From: Shashank Sharma <shashank.sharma@amd.com>
Date: Mon, 29 Apr 2024 12:29:47 +0000 (+0200)
Subject: drm/amdgpu: fix doorbell regression
X-Git-Tag: v6.6.31~235
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4fd8cd4154a213e944933622039d83184b31617c;p=thirdparty%2Fkernel%2Fstable.git

drm/amdgpu: fix doorbell regression

[ Upstream commit 705d0480e6ae5a73ca3a9c04316d0678e19a46ed ]

This patch adds a missed handling of PL domain doorbell while
handling VRAM faults.

Cc: Christian Koenig <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Fixes: a6ff969fe9cb ("drm/amdgpu: fix visible VRAM handling during faults")
Reviewed-by: Christian Koenig <christian.koenig@amd.com>
Signed-off-by: Shashank Sharma <shashank.sharma@amd.com>
Signed-off-by: Arvind Yadav <arvind.yadav@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index d1687b5725693..b95018b1d2ae6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -424,7 +424,7 @@ bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
 		return false;
 
 	if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT ||
-	    res->mem_type == AMDGPU_PL_PREEMPT)
+	    res->mem_type == AMDGPU_PL_PREEMPT || res->mem_type == AMDGPU_PL_DOORBELL)
 		return true;
 
 	if (res->mem_type != TTM_PL_VRAM)