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charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: dOD-u6JvnGP9OTA3-4BMKSRAL2EFys_d X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI2MDA4NiBTYWx0ZWRfX3h005U+a6zZ6 X3epc2lGmcKpgekgz9dlC2rHSdYtKS9Z9uNV3vF2NfTiy1AAw5Tdyy+CDWcr8ABVF+IOPikwGRI SAXzWAqYvom49T/boCe30/e12oOLaMkXrGgbNsRi8exR1jXUeetjw0/PsmfSw6kkaAeQu8+ys8q Ts/ncl2o1VhKU3fc9SlEls0Ea3W7gdi4yYjKkMWuOzctDNyhaVdJVHC1iUhjNgjtq+sjaqifXGW Fv4tQfVKKte0h9pv6rCOeZKIN9yuRmubwaeFWs9djPjTREJele7sieydxcmn3PzpJGbIbjIh14S s+yVypJtQOAvRBtr2iaswy8Y8r3GOjeqCaHexV0I6b9Eqpv1IR/IjKm46Z7Yl3Bl+dblgMTDL0d WKXXiUULImyH5ZeWj/H59xyNPO39jMXoVpZcMq3usCwfhPtOllb50DzDna4x4DCrhJIzbZEjz3i KDUqAzBy/EQMkC4SGvw== X-Proofpoint-GUID: vv1I8FecHg6A3hCqprd11xXTN4JV28TC X-Authority-Analysis: v=2.4 cv=OsZCCi/t c=1 sm=1 tr=0 ts=69c524d8 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=SG35aDaeF4Zs4cq6RUUA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-26_02,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 clxscore=1015 phishscore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603260086 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" This is v4 of the patch series enabling 64 KB system page size support. v3 of this series [1] contained 6 patches, of which 4 have been picked up and applied to drm-next. The initial minimal infrastructure required for 64 KB page size support has already been merged upstream [2]. This series includes the remaining fixes: - Patch 1 fixes a kernel crash observed when running rocminfo on systems with a 64 KB page size by updating the trap reservation size. - Patch 2 updates AMDGPU_GTT_MAX_TRANSFER_SIZE to always match the PMD size across all page sizes. Setup details: ============== System details: Power10 LPAR using 64K pagesize. AMD GPU: Name: gfx90a Marketing Name: AMD Instinct MI210 Changes since v3: ----------------- - Based on feedback from Felix and Christian, AMDGPU_VA_RESERVED_TRAP_SIZE has been updated. The virtual address space now reserves 64 KB for the trap, while only 8 KB is allocated for both 4 KB and 64 KB page sizes. This ensures that the allocation remains within the reserved region. Links: ------ [1] https://lore.kernel.org/all/cover.1774239489.git.donettom@linux.ibm.com/ [2] https://lore.kernel.org/all/cover.1765519875.git.donettom@linux.ibm.com/ Previous versions: ------------------ RFC v3 resend: https://lore.kernel.org/all/cover.1774239489.git.donettom@linux.ibm.com/ RFC v3: https://lore.kernel.org/all/cover.1771656655.git.donettom@linux.ibm.com/ RFC v2: https://lore.kernel.org/all/cover.1769612973.git.donettom@linux.ibm.com/ RFC v1: https://lore.kernel.org/all/cover.1765519875.git.donettom@linux.ibm.com/ Donet Tom (2): drm/amdgpu: Change AMDGPU_VA_RESERVED_TRAP_SIZE to 64KB drm/amdgpu: Fix AMDGPU_GTT_MAX_TRANSFER_SIZE for non-4K page size drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 +++++--- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 2 +- drivers/gpu/drm/amd/amdgpu/vce_v1_0.c | 3 ++- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 4 ++-- 5 files changed, 11 insertions(+), 8 deletions(-) -- 2.52.0