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[104.48.214.220]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-682ba3cbe72sm1309071eaf.11.2026.04.03.14.41.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2026 14:41:41 -0700 (PDT) From: Steev Klimaszewski To: vikash.garodia@oss.qualcomm.com Cc: abhinav.kumar@linux.dev, andersson@kernel.org, bod@kernel.org, bryan.odonoghue@linaro.org, conor+dt@kernel.org, david@ixit.cz, devicetree@vger.kernel.org, dikshita.agarwal@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, johan+linaro@kernel.org, konrad.dybcio@oss.qualcomm.com, konradybcio@kernel.org, krzk+dt@kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, robh@kernel.org, stanimir.varbanov@linaro.org, threeway@gmail.com Subject: Re: media: iris: enable SM8350 and SC8280XP support Date: Fri, 3 Apr 2026 16:41:39 -0500 Message-ID: <20260403214140.7307-1-threeway@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi Vikash, >> This is not just with totem, showtime shows the same issue. If I let the video >> play, it plays just fine, however, if I attempt to skip forward, back, or even >> play *after* the video has played, then I see the smmu fault >> >> arm-smmu 15000000.iommu: Unhandled context fault: fsr=0x402, iova=0xd51e3e00, fsynr=0x600002, cbfrsynra=0x2a00, cb=6 > please log the info about which "iova=0xd51e3e00" buffer is faulting in > this case I will include the diff that I applied against my kernel, in case this isn't the correct information, but I get the following output in EL2: arm-smmu 15000000.iommu: Unhandled context fault: fsr=0x402, iova=0xd516d400, fsynr=0x600002, cbfrsynra=0x2a00, cb=6 arm-smmu 15000000.iommu: FSR = 00000402 [Format=2 TF], SID=0x2a00 arm-smmu 15000000.iommu: FSYNR0 = 00600002 [S1CBNDX=96 PLVL=2] qcom-iris aa00000.video-codec: sys error (type: 1, session id:ff, data1:11, data2:deadbead) qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:79756000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 And the following output in EL2: arm-smmu 15000000.iommu: Unhandled context fault: fsr=0x402, iova=0xd516d400, fsynr=0x600002, cbfrsynra=0x2a00, cb=6 arm-smmu 15000000.iommu: FSR = 00000402 [Format=2 TF], SID=0x2a00 arm-smmu 15000000.iommu: FSYNR0 = 00600002 [S1CBNDX=96 PLVL=2] qcom-iris aa00000.video-codec: sys error (type: 1, session id:ff, data1:1, data2:deadbead) qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: session error for command: 0, event id:1004, session id:28644000 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000dd000000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=3 idx=0 iova=0x00000000d7800000 size=5652480 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=0 iova=0x00000000d8c00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=1 iova=0x00000000d8a00000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=2 iova=0x00000000d8800000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=3 iova=0x00000000d8600000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=8 idx=4 iova=0x00000000d8400000 size=1445888 attr=0x4 qcom-iris aa00000.video-codec: buf_type=9 idx=0 iova=0x00000000dd780000 size=498176 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000da000000 size=19472128 attr=0x4 qcom-iris aa00000.video-codec: buf_type=10 idx=0 iova=0x00000000d6000000 size=19472128 attr=0x4 And the diff I had to come up with to get this output is: diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c index 8e864c239e29..a57a0e4971c8 100644 --- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c +++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_response.c @@ -214,7 +214,7 @@ static void iris_hfi_gen1_event_seq_changed(struct iris_inst *inst, iris_inst_sub_state_change_drc_last(inst); } -static void +static noinline void iris_hfi_gen1_sys_event_notify(struct iris_core *core, void *packet) { struct hfi_msg_event_notify_pkt *pkt = packet; @@ -235,7 +235,25 @@ iris_hfi_gen1_sys_event_notify(struct iris_core *core, void *packet) schedule_delayed_work(&core->sys_error_handler, msecs_to_jiffies(10)); } -static void +static noinline void iris_dump_inst_buffers(struct iris_inst *inst) +{ + struct iris_buffer *buf; + int i; + + for (i = 0; i < BUF_TYPE_MAX; i++) { + list_for_each_entry(buf, &inst->buffers[i].list, list) { + if (!buf->device_addr) + continue; + dev_err(inst->core->dev, + "buf_type=%d idx=%u iova=%pad size=%zu attr=0x%x\n", + i, buf->index, + &buf->device_addr, buf->buffer_size, + buf->attr); + } + } +} + +static noinline void iris_hfi_gen1_event_session_error(struct iris_inst *inst, struct hfi_msg_event_notify_pkt *pkt) { switch (pkt->event_data1) { @@ -263,7 +281,7 @@ iris_hfi_gen1_event_session_error(struct iris_inst *inst, struct hfi_msg_event_n } } -static void iris_hfi_gen1_session_event_notify(struct iris_inst *inst, void *packet) +static noinline void iris_hfi_gen1_session_event_notify(struct iris_inst *inst, void *packet) { struct hfi_msg_event_notify_pkt *pkt = packet; @@ -593,7 +611,7 @@ static const struct iris_hfi_gen1_response_pkt_info pkt_infos= { }, }; -static void iris_hfi_gen1_handle_response(struct iris_core *core, void *response) +static noinline void iris_hfi_gen1_handle_response(struct iris_core *core, void *response) { struct hfi_pkt_hdr *hdr = (struct hfi_pkt_hdr *)response; const struct iris_hfi_gen1_response_pkt_info *pkt_info; @@ -631,6 +649,8 @@ static void iris_hfi_gen1_handle_response(struct iris_core *core, void *response if (inst) { mutex_lock(&inst->lock); iris_hfi_gen1_session_event_notify(inst, hdr); + if (inst->state == IRIS_INST_ERROR) + iris_dump_inst_buffers(inst); mutex_unlock(&inst->lock); } else { iris_hfi_gen1_sys_event_notify(core, hdr); diff --git a/drivers/media/platform/qcom/iris/iris_utils.c b/drivers/media/platform/qcom/iris/iris_utils.c index cfc5b576ec56..45f349bd8b71 100644 --- a/drivers/media/platform/qcom/iris/iris_utils.c +++ b/drivers/media/platform/qcom/iris/iris_utils.c @@ -74,9 +74,9 @@ int iris_wait_for_session_response(struct iris_inst *inst, bool is_flush) return 0; } -struct iris_inst *iris_get_instance(struct iris_core *core, u32 session_id) +noinline struct iris_inst *iris_get_instance(struct iris_core *core, u32 session_id) { - struct iris_inst *inst; + struct iris_inst *inst = NULL; mutex_lock(&core->lock); list_for_each_entry(inst, &core->instances, list) { diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c index bd38d84c9cc7..5cc47e900c83 100644 --- a/drivers/media/platform/qcom/iris/iris_vidc.c +++ b/drivers/media/platform/qcom/iris/iris_vidc.c @@ -168,17 +168,8 @@ int iris_open(struct file *filp) mutex_init(&inst->lock); mutex_init(&inst->ctx_q_lock); - INIT_LIST_HEAD(&inst->buffers[BUF_BIN].list); - INIT_LIST_HEAD(&inst->buffers[BUF_ARP].list); - INIT_LIST_HEAD(&inst->buffers[BUF_COMV].list); - INIT_LIST_HEAD(&inst->buffers[BUF_NON_COMV].list); - INIT_LIST_HEAD(&inst->buffers[BUF_LINE].list); - INIT_LIST_HEAD(&inst->buffers[BUF_DPB].list); - INIT_LIST_HEAD(&inst->buffers[BUF_PERSIST].list); - INIT_LIST_HEAD(&inst->buffers[BUF_SCRATCH_1].list); - INIT_LIST_HEAD(&inst->buffers[BUF_SCRATCH_2].list); - INIT_LIST_HEAD(&inst->buffers[BUF_VPSS].list); - INIT_LIST_HEAD(&inst->buffers[BUF_PARTIAL].list); + for (int i = 0; i < BUF_TYPE_MAX; i++) + INIT_LIST_HEAD(&inst->buffers[i].list); init_completion(&inst->completion); init_completion(&inst->flush_completion); Please let me know if this is the information you are after, and if not, could you provide a patch to help me get it? I had to noinline a lot of things, as you can see, otherwise I was just getting null dereferences when trying to get the buffers. > Regards, > Vikash -- steev