[PATCH] drm/amdgpu: Fix minmax error

From: Luben Tuikov <luben.tuikov@amd.com>
To: AMD Graphics <amd-gfx@lists.freedesktop.org>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>,
	Luben Tuikov <luben.tuikov@amd.com>,
	James Zhu <James.Zhu@amd.com>
Subject: [PATCH] drm/amdgpu: Fix minmax error
Date: Thu, 24 Nov 2022 16:19:56 -0500	[thread overview]
Message-ID: <20221124211956.264282-1-luben.tuikov@amd.com> (raw)

Fix minmax compilation error by using min_t()/max_t(), of the assignment type.

Cc: James Zhu <James.Zhu@amd.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Fixes: 58170a7a002ad6 ("drm/amdgpu: fix stall on CPU when allocate large system memory")
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
index 8a2e5716d8dba2..d22d14b0ef0c84 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
@@ -191,14 +191,18 @@ int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier,
 	hmm_range->dev_private_owner = owner;
 
 	do {
-		hmm_range->end = min(hmm_range->start + MAX_WALK_BYTE, end);
+		hmm_range->end = min_t(typeof(hmm_range->end),
+				       hmm_range->start + MAX_WALK_BYTE,
+				       end);
 
 		pr_debug("hmm range: start = 0x%lx, end = 0x%lx",
 			hmm_range->start, hmm_range->end);
 
 		/* Assuming 512MB takes maxmium 1 second to fault page address */
-		timeout = max((hmm_range->end - hmm_range->start) >> 29, 1ULL) *
-			HMM_RANGE_DEFAULT_TIMEOUT;
+		timeout = max_t(typeof(timeout),
+				(hmm_range->end - hmm_range->start) >> 29,
+				1ULL);
+		timeout *= HMM_RANGE_DEFAULT_TIMEOUT;
 		timeout = jiffies + msecs_to_jiffies(timeout);
 
 retry:

base-commit: d5e8f4912061ad2e577b4909556e1364e2c2018e
prerequisite-patch-id: 6024d0c36cae3e4a995a8fcf787b91f511a37486
-- 
2.39.0.rc0

