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Fri, 02 Aug 2024 12:47:37 -0700 (PDT) From: Dmitry Baryshkov Date: Fri, 02 Aug 2024 22:47:33 +0300 Subject: [PATCH v2 1/2] drm/msm/dpu1: don't choke on disabling the writeback connector MIME-Version: 1.0 Message-Id: <20240802-dpu-fix-wb-v2-1-7eac9eb8e895@linaro.org> References: <20240802-dpu-fix-wb-v2-0-7eac9eb8e895@linaro.org> In-Reply-To: <20240802-dpu-fix-wb-v2-0-7eac9eb8e895@linaro.org> To: Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jeykumar Sankaran , stable@vger.kernel.org, Leonard Lausen X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1407; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=CZjSqPH+rj057dW3MGJr9d/4aI78HIu7xqrI+Pszc6M=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBmrTfXVU98v4RdmnOEY+K+nRJyLA96hWSyJIZSr MswZGwbrPCJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZq031wAKCRCLPIo+Aiko 1ZxzB/4gpy2NQ+2mx80O3Kz0q+HVUPc3URApbvAha2Yb7GvUpdAbK1nwua1IPGobkTXNh9v15ei lf+uzXbapFyKVZnkGIQ+X3bSZTkbmmLkJ/TkgCOUv2ucDVfz4DvvLZEb3Jplh7J6IoD9N8BQPYQ JsRmN3zHQvMQeeS1yMH4w9tVbaxo+P/G9y8bT2kJW2p4XTKs6DvG3kFgGW5bEyZz/uSySPxzjBM VOy1s55OHDe8smm7pqZd1lFxnERRK+7YyPddOSVRs42aCvkdpGXviUjQv8EfQnjO4689p8G0xBL ye8PxKGpZreVH5mlA7rRzii5EU58m8gRY/kLjQY4q7q/MIqz X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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" During suspend/resume process all connectors are explicitly disabled and then reenabled. However resume fails because of the connector_status check: [ 1185.831970] [dpu error]connector not connected 3 It doesn't make sense to check for the Writeback connected status (and other drivers don't perform such check), so drop the check. Fixes: 71174f362d67 ("drm/msm/dpu: move writeback's atomic_check to dpu_writeback.c") Cc: stable@vger.kernel.org Reported-by: Leonard Lausen Closes: https://gitlab.freedesktop.org/drm/msm/-/issues/57 Signed-off-by: Dmitry Baryshkov Tested-by: György Kurucz Tested-by: Leonard Lausen # on sc7180 lazor Reviewed-by: Johan Hovold Tested-by: Johan Hovold --- drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c index 16f144cbc0c9..8ff496082902 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c @@ -42,9 +42,6 @@ static int dpu_wb_conn_atomic_check(struct drm_connector *connector, if (!conn_state || !conn_state->connector) { DPU_ERROR("invalid connector state\n"); return -EINVAL; - } else if (conn_state->connector->status != connector_status_connected) { - DPU_ERROR("connector not connected %d\n", conn_state->connector->status); - return -EINVAL; } crtc = conn_state->crtc;