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[67.168.198.145]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ae4064f4bdsm4256128a91.11.2026.10.27.08.28.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Oct 2026 08:28:32 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Jianfeng Liu , =?UTF-8?q?Christian=20K=C3=B6nig?= , Dmitry Baryshkov , Rob Clark , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2 5/5] drm/msm: Convert map helper to use dma-address Date: Tue, 27 Oct 2026 08:28:19 -0700 Message-ID: <20261027152821.51144-6-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261027152821.51144-1-robin.clark@oss.qualcomm.com> References: <20261027152821.51144-1-robin.clark@oss.qualcomm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI3MDA2MSBTYWx0ZWRfXzdX86JH8JhCz IlqCPfIwQXeXYEa0FpUflaaBLCJ0wGDUrPBeTd/be5EnATcrBvnFc/4+9+JCWBM8+62s7BUnAci JOJ7N7ZlO77x1EsojkSHw+/7bgOahHc2M63Ydnfm/ek1yBnCRde5TpvVXA+VoVmLGSyCpDRuHeV 7/8azCsQO8Pj0cymgt/LvLk6RX+PgQG9cX4uMMayfZxwy0CXI4krb9qd1Mr46VSlhPuBLNiB2gE bNJID97yn2huuFMt/3dGW5UWmLvqIr3eN4DPIrMe7aF80BZ1vg+gOgZYTPlly7LmLaeM33pQU1M eQxHLq65t+rr0zDjG1/GvnKbIh8Tnok7jAMT8HujRlPfgPjCSBpJkfGmMts6/cvfeLIcZPGZgUT jct+xuFrEq0SxHbKmJxwdVEF91kBCfJ9LWT0fgydpbBVVlSPGFhTGPZRMXPWDLil2X0zuvKSAFO 6LHbpHNWUjWc33xVd7Q== X-Proofpoint-GUID: MMPy5hBls3lZouvzq86glTRFKwWAnG6N X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI3MDA2MSBTYWx0ZWRfXxTnxToAMyAjP 2XqPVUCtmKqYKe0PApNwK/T+PBqcKY+apOT01NbSkRfUsgd/Yhs0kFGZPN1b2njXU/e4DfHVuHJ RY1FXU7F/wGM5pPbQsjM7Mn8LZEhWAs= X-Authority-Analysis: v=2.4 cv=PsYG/AM3 c=1 sm=1 tr=0 ts=6ae0c322 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=6Rn/7xRx7Ub4NEhlm8k1cw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=I_bc3XnsTyL_mMZFCHAA:9 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-ORIG-GUID: MMPy5hBls3lZouvzq86glTRFKwWAnG6N X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-27_03,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610270061 Now that we have everything unified in one path, switch over to using dma addresses for setting up the mapping. This avoids issues with CONFIG_DMABUF_DEBUG stripping the pages from the sgt. Tested-by: Jianfeng Liu # x1e78100 (Acer SFA14-11), v7.3-rc5 + this series, CONFIG_DMABUF_DEBUG=y Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_iommu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c index 435736c8d715..6258c942e66a 100644 --- a/drivers/gpu/drm/msm/msm_iommu.c +++ b/drivers/gpu/drm/msm/msm_iommu.c @@ -148,9 +148,9 @@ __do_map(unsigned long pgsize_bitmap, u64 iova, struct sg_table *sgt, size_t off u64 addr = iova; unsigned int i; - for_each_sgtable_sg (sgt, sg, i) { - size_t size = sg->length; - phys_addr_t phys = sg_phys(sg); + for_each_sgtable_dma_sg (sgt, sg, i) { + size_t size = sg_dma_len(sg); + phys_addr_t phys = sg_dma_address(sg); if (!len) break; -- 2.56.0