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From: "Timur Kristóf" <timur.kristof@gmail.com>
To: amd-gfx@lists.freedesktop.org, alexander.deucher@amd.com,
	christian.koenig@amd.com
Cc: "Timur Kristóf" <timur.kristof@gmail.com>
Subject: [PATCH 2/7] drm/amdgpu/vce: Align VCPU BO to a power of two address
Date: Thu, 16 Apr 2026 22:26:38 +0200	[thread overview]
Message-ID: <20260416202643.25350-3-timur.kristof@gmail.com> (raw)
In-Reply-To: <20260416202643.25350-1-timur.kristof@gmail.com>

This is done to prevent the VCPU BO from crossing
a 256 MiB boundary.

Fixes: d38ceaf99ed0 ("drm/amdgpu: add core driver (v4)")
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index efdebd9c0a1f3..ac25355539cb2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -218,7 +218,8 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
 	if (!adev->vce.fw)
 		return -ENOENT;
 
-	r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
+	r = amdgpu_bo_create_kernel(adev, size,
+				    roundup_pow_of_two(ALIGN(size, PAGE_SIZE)),
 				    AMDGPU_GEM_DOMAIN_VRAM |
 				    AMDGPU_GEM_DOMAIN_GTT,
 				    &adev->vce.vcpu_bo,
-- 
2.53.0


  parent reply	other threads:[~2026-04-16 20:26 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-16 20:26 [PATCH 0/7] Various SI fixes, fix Radeon HD 7870 XT Timur Kristóf
2026-04-16 20:26 ` [PATCH 1/7] drm/amdgpu/gmc: Fix AMDGPU_GART_PLACEMENT_LOW to not overlap with VRAM Timur Kristóf
2026-04-17 10:58   ` Christian König
2026-04-16 20:26 ` Timur Kristóf [this message]
2026-04-17  7:08   ` [PATCH 2/7] drm/amdgpu/vce: Align VCPU BO to a power of two address Christian König
2026-04-16 20:26 ` [PATCH 3/7] drm/amdgpu: Add alignment to amdgpu_gtt_mgr_alloc_entries() Timur Kristóf
2026-04-16 20:26 ` [PATCH 4/7] drm/amdgpu/vce1: Fix workaround to ensure low 32-bit VCPU address Timur Kristóf
2026-04-17  7:21   ` Christian König
2026-04-16 20:26 ` [PATCH 5/7] drm/amdgpu/uvd3.1: Don't validate the firmware when already validated Timur Kristóf
2026-04-17  7:22   ` Christian König
2026-04-16 20:26 ` [PATCH 6/7] Documentation/gpu: Add TCC, update TCP in amdgpu glossary Timur Kristóf
2026-04-17  7:24   ` Christian König
2026-04-17  8:36     ` Timur Kristóf
2026-04-17  9:03       ` Christian König
2026-04-16 20:26 ` [PATCH 7/7] drm/amdgpu/gfx6: Support harvested SI chips with disabled TCCs Timur Kristóf
2026-04-17 12:56   ` Christian König
2026-04-17 13:36     ` Alex Deucher
2026-04-17 14:09       ` Timur Kristóf

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