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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a8a956b2acsm4158737e87.82.2026.05.13.11.57.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 11:57:38 -0700 (PDT) Date: Wed, 13 May 2026 21:57:34 +0300 From: Dmitry Baryshkov To: Rob Clark Cc: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Akhil P Oommen , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , open list Subject: Re: [PATCH v5 09/16] drm/msm: Add per-context perfcntr state Message-ID: References: <20260511130017.96867-1-robin.clark@oss.qualcomm.com> <20260511130017.96867-10-robin.clark@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260511130017.96867-10-robin.clark@oss.qualcomm.com> X-Proofpoint-ORIG-GUID: 6TQc56chD3II74zRLL2x1iQ2x06UmWdN X-Proofpoint-GUID: 6TQc56chD3II74zRLL2x1iQ2x06UmWdN X-Authority-Analysis: v=2.4 cv=G9Ys1dk5 c=1 sm=1 tr=0 ts=6a04c9b0 cx=c_pps a=P2rfLEam3zuxRRdjJWA2cw==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=bDk2b4Cu3fwnQs1PW3sA:9 a=CjuIK1q_8ugA:10 a=ODZdjJIeia2B_SHc_B0f:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTEzMDE4NyBTYWx0ZWRfX+/PFB5jr/4YE Nqbqx8gKpC3NKXaelmFYyg9MhbEourVAs9E5RdIRV6TfuSRN8TVzzgxz23GmOJKgQ2vMomgfwyS r7ShZY+d07iCEv2Z+SN4IupZbgOaC3NpoARFlfoAi9bz0x00AqfBeuGA70m6TB0QVSq1jH++jTu 9QEQJho1DtB/ZsGRZC5FTb45LuTJQriGc/1g4EbR9WnUI9kcZXIBr4bYjs1Gtq1CWU1wiWaG7i3 AHhESVij6gcmxrvf3P4pZPr4LULcCoW6LiLHPOKRGIuzumDkq2elYSClW//JiwtxBIJ9bxIH+yK 3jLKYzuTnz948LuiNjqoLiFccYvP0y50L0xxZshZNYVMwSGQRCrd3OqOMdJ+d2SJnpc80oonsQa lig2xi/W/ALWs06RVTjxThxac1oBo+RxVFCe/NnGVr60V9w49ba5VRap2s3kC40vKNJVtaADWnr LeIOWFLUaG2xh45OM3A== 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=2026-05-13_02,2026-05-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 adultscore=0 spamscore=0 phishscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605050000 definitions=main-2605130187 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, May 11, 2026 at 05:59:22AM -0700, Rob Clark wrote: > The upcoming PERFCNTR_CONFIG ioctl will allow for both global counter > collection, and per-context counter reservation for local (ie. within > a single GEM_SUBMIT ioctl) counter collection. > > Any number of contexts can reserve the same counters, but we will need > to ensure that counters reserved for local counter collection do not > conflict with counters used for global counter collection. > > So add tracking for per-context local counter reservations. > > Signed-off-by: Rob Clark > --- > drivers/gpu/drm/msm/msm_gpu.h | 5 +++++ > drivers/gpu/drm/msm/msm_perfcntr.h | 21 +++++++++++++++++++++ > drivers/gpu/drm/msm/msm_submitqueue.c | 1 + > 3 files changed, 27 insertions(+) > Reviewed-by: Dmitry Baryshkov -- With best wishes Dmitry