From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4090714F70 for ; Wed, 30 Jul 2025 06:17:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753856276; cv=none; b=a1FIDnmyEqo7SZOcA5nODG/+2X4Rzm9Bu4N0cPJJ7lkPNkITxLbBc9MpViNhIw6IxaOugWGryINcZJIVtMGGqAYJNrBp9xXDptXxMg8zJvhd8BZFMnq2LNu5e2RD5vnMIH1OywnduKqfHONiSOXfWvFkQrN3tdUrCiZjm6Q2F0Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753856276; c=relaxed/simple; bh=XryLpjGqYYDV+FEX/ps+tCDjjYLBaSr57eRaMtgBXsg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=NBmziQIa6VuIoKsFcIELd6fEswHovgBl9wfljwntGKFiL0HZ1EE5MsK+D5otnXsMpOW0NWPOfNEgf/GosPkmYzC/BfmzMkqnn4yL8O9n3ClotuYBpij83+TLYPPgrCNxwEtRNq045Qb9TW+ib3pggmIgWcHztnZ2LPEx8iQNI2s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=brighamcampbell.com; spf=pass smtp.mailfrom=brighamcampbell.com; dkim=pass (2048-bit key) header.d=brighamcampbell.com header.i=@brighamcampbell.com header.b=YFsAP1q5; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=brighamcampbell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=brighamcampbell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=brighamcampbell.com header.i=@brighamcampbell.com header.b="YFsAP1q5" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-24049d1643aso19002815ad.3 for ; Tue, 29 Jul 2025 23:17:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brighamcampbell.com; s=google; t=1753856274; x=1754461074; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=52xEfYQKRs8hJ1j3pgv2iCPTOPncEtEYrZ8Fw+FLizE=; b=YFsAP1q5IPuq8UHFd3uYr9MsDQ7qWmkp+vBka52RbX+U9vWnfWhJw/8mDy/s0k8eN/ /+m3q7wolzZDmw/H7OqQQd7ZlTYhXmEpYf4XP1i62uDUhuf8LuYskFFmPjCjvRRRn0u2 tEh3Zs9ctLWrzsQY+ujBSiDP63abLku65IBVyZugv7CscV3WiJSgVffN6sSdGtEXC9oI rYbt/HC9ctRHsWmJYlGAY3NxQ55AGhfN+00WZYBxxmvuT58FG+Fr2NKD+Y1mcfRm96Ra bagdqK6plW2J5h9x1DjxyWEf3SO01PYbuH4t1cEpnSq98KMY21U8wkC3oEeR2UaZppeJ ffJw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753856274; x=1754461074; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=52xEfYQKRs8hJ1j3pgv2iCPTOPncEtEYrZ8Fw+FLizE=; b=EFGXPKnuXz7KZE+u6jRyUgDyBEqI3zYRwr5NU/tlwFuTpGvRrz7ULe32WaDQCD+lo3 QDUxwQViBqJW1qVhD0OEeXADY1x9Yf0O/i7gDYZbEyFlkjPnG8MAI/WNkOoH14Mb1tsp xV4LfN8VRB5+UXqX9dlhux2Hu7SWX+7nMO3MCxX+vn8uIUb1vBqEN8rvpGGiFoa8CRWy Ho48mMktUPW44zzXjzuTcT8OmVpOMMQXin/NvaPtJKozJWw1mROL0tJbXWOfKXZLi53K MQ3yoBxNT0avQRjZa758F9HSAkQe9ysF2HLfglEpfaljnm5+gPm6vJAoiTlBNx/PU99j nHvQ== X-Forwarded-Encrypted: i=1; AJvYcCWlkk4QKtKRBVfTKTWAs1RkA1aBHJQka1f9enOiuRF/rpLRxOuvHcgkCxlfK4De5zEnExqP3OvsQQ+frb0Tb/lKHv8Jbg==@lists.linux.dev X-Gm-Message-State: AOJu0YyEFFlq5jOo74e7wFeu+VTE+yuXDTwqen0Ql8N+MpTS47uBNTCz 8c7rtglvGSXm8en1rxESxqcy4eS5eJty2Qz2Lwd8yHPSeIgSlGwzFb27HTphWq/cx/A= X-Gm-Gg: ASbGncv0A1Zmlm4jmbCS3RX3J7EAlEET1kYq1oF/2pZvbvxABgVGEVT8lOFzLcy7hk1 LKpXzZKxQWumd+uSi8aP8nd+SGoLBM8CF3L1+7x9ZMU3QKqeOqIlIop3ETro6zNEdY3rJssEOm/ HhVaRo7Q8UfdKlhlKeOFcNN8GL57Xoh5DuXfcGPc/uLBCTBHaGMWM4fVvpTrPUHPMHWW6JKmCRE qNOqhenBhiFlsxEUONiTb+XTx8qID1NO8S03QhCpxN8FM01etJrLxPW9WM7XiTOy5COYHWj9k4r 6EC+sFZxjlh4WiZ40iPmUZ41bQhuwk3XU07biD6rg0r+hKYqJFRGxxgsxVfcirKzaCx93jokrPL sZmdWJYtIRhkamijBsPjqBg3imF4TB5dV6vK9ZRhKUAqDZlO4OA== X-Google-Smtp-Source: AGHT+IHyEWFTQDnTXUtR2Jyv+AM6C4D4XNrd6963rDHySiItD68akYv1yW4JeDtRX9x0xFCJT4X5Uw== X-Received: by 2002:a17:903:1aa3:b0:240:8cec:4803 with SMTP id d9443c01a7336-24096a68233mr26935725ad.7.1753856274216; Tue, 29 Jul 2025 23:17:54 -0700 (PDT) Received: from mystery-machine.tail542cf.ts.net ([64.71.154.6]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23ffa37f078sm75017815ad.115.2025.07.29.23.17.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Jul 2025 23:17:53 -0700 (PDT) From: Brigham Campbell To: maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, linus.walleij@linaro.org, neil.armstrong@linaro.org, jessica.zhang@oss.qualcomm.com, sam@ravnborg.org Cc: dianders@chromium.org, skhan@linuxfoundation.org, linux-kernel-mentees@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Brigham Campbell Subject: [PATCH v3 0/3] drm/panel: novatek-nt35560: Fix bug and clean up Date: Wed, 30 Jul 2025 00:17:45 -0600 Message-ID: <20250730061748.1227643-1-me@brighamcampbell.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix bug in novatek-nt35560 driver's nt35560_set_brightness() which causes the driver to incorrectly report that it "failed to disable display backlight". Add mipi_dsi_dcs_read_multi() to drm_mipi_dsi.c for improved error handling in drivers which use mipi_dsi_dcs_read() multiple times in a row. Add mipi_dsi_dcs_write_var_seq_multi() and mipi_dsi_generic_write_var_seq_multi() to drm_mipi_dsi.h to allow drivers to more conveniently construct MIPI payloads at runtime. Clean up novatek-nt35560 driver to use "multi" variants of MIPI. Changes to v3: - Fix incorrect Fixes tag. The bug was introduced by an earlier commit. - Minor formatting improvements. Changes to v2: - Separate bug fix into its own commit for backporting. - Add var_seq_multi() variants of MIPI write macros for sending non-static MIPI messages. - Minor formatting improvements. Brigham Campbell (3): drm/panel: novatek-nt35560: Fix invalid return value drm: Add MIPI read_multi func and two write macros drm/panel: novatek-nt35560: Clean up driver drivers/gpu/drm/drm_mipi_dsi.c | 37 ++++ drivers/gpu/drm/panel/panel-novatek-nt35560.c | 198 ++++++------------ include/drm/drm_mipi_dsi.h | 35 ++++ 3 files changed, 132 insertions(+), 138 deletions(-) base-commit: 33f8f321e7aa7715ce19560801ee5223ba8b9a7d -- 2.50.1