From patchwork Fri Apr 11 04:29:08 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 14047533 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 25E9BC369A9 for ; Fri, 11 Apr 2025 04:29:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 732CB10EAEA; Fri, 11 Apr 2025 04:29:36 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="SYjq3m78"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id E929910EADC; Fri, 11 Apr 2025 04:29:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744345774; x=1775881774; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Q9DzpDyjknE8pp2GOuyvxukYO60XUUR2wTb9KYWepL0=; b=SYjq3m78i+1x+ilUnSaOJSx5by8CezvTkqYd/u6nm5kTfs7/SLzTAjDl i2EyMz3Xeh833vzTp17VPmcYzquPJKEkWsB1LjSkchiNjDygoizFBD72/ +jloSCVhDyCZI+Np6jUCaxsILWles+jzvasyFMNx6VRkOw9DmYfFPgpxO x+/na04cJBD7AeEn490xXGj9rhg7zj7l2Ikr7wA2ejhvGBaYncvHMclAM aN8DjSH1KVnYyzVoDxiiMtWeOAGLjlGim9hj3lLkLBgkNRipf8Rmmz8mP U4PouFH+bj7WtOLgo0cCbDY0f1dA4GNhZrQUdv+4XjAvgkj88dt7zx/Q9 A==; X-CSE-ConnectionGUID: RvVGH26lRiS9yvxQFCHBqA== X-CSE-MsgGUID: GsNlM+QDRweXYE6F+UGjng== X-IronPort-AV: E=McAfee;i="6700,10204,11400"; a="57259967" X-IronPort-AV: E=Sophos;i="6.15,203,1739865600"; d="scan'208";a="57259967" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2025 21:29:34 -0700 X-CSE-ConnectionGUID: ll+xZSlwQpu1rveOmi4TAw== X-CSE-MsgGUID: GBCbBQv6Q56Y5ZsIzCfbiA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,203,1739865600"; d="scan'208";a="160057132" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.10]) by orviesa002.jf.intel.com with ESMTP; 10 Apr 2025 21:29:31 -0700 From: Suraj Kandpal To: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com, arun.r.murthy@intel.com, Suraj Kandpal Subject: [PATCH 12/13] drm/i915/backlight: Use drm helper to set edp backlight Date: Fri, 11 Apr 2025 09:59:08 +0530 Message-Id: <20250411042909.2626807-13-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250411042909.2626807-1-suraj.kandpal@intel.com> References: <20250411042909.2626807-1-suraj.kandpal@intel.com> MIME-Version: 1.0 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Now that the drm helper sets the backlight using luminance too we can use that. Remove the obselete function. Signed-off-by: Suraj Kandpal --- .../drm/i915/display/intel_dp_aux_backlight.c | 34 ++----------------- 1 file changed, 3 insertions(+), 31 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c index 509f3992c9c8..0cd9fd72ebbb 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c @@ -476,31 +476,6 @@ static u32 intel_dp_aux_vesa_get_backlight(struct intel_connector *connector, en return connector->panel.backlight.level; } -static int -intel_dp_aux_vesa_set_luminance(struct intel_connector *connector, u32 level) -{ - struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder); - u8 buf[3]; - int ret; - - level = level * 1000; - level &= 0xffffff; - buf[0] = (level & 0x0000ff); - buf[1] = (level & 0x00ff00) >> 8; - buf[2] = (level & 0xff0000) >> 16; - - ret = drm_dp_dpcd_write(&intel_dp->aux, DP_EDP_PANEL_TARGET_LUMINANCE_VALUE, - buf, sizeof(buf)); - if (ret != sizeof(buf)) { - drm_err(intel_dp->aux.drm_dev, - "%s: Failed to set VESA Aux Luminance: %d\n", - intel_dp->aux.name, ret); - return -EINVAL; - } else { - return 0; - } -} - static void intel_dp_aux_vesa_set_backlight(const struct drm_connector_state *conn_state, u32 level) { @@ -508,11 +483,6 @@ intel_dp_aux_vesa_set_backlight(const struct drm_connector_state *conn_state, u3 struct intel_panel *panel = &connector->panel; struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder); - if (panel->backlight.edp.vesa.luminance_control_support) { - if (!intel_dp_aux_vesa_set_luminance(connector, level)) - return; - } - if (!panel->backlight.edp.vesa.info.aux_set) { const u32 pwm_level = intel_backlight_level_to_pwm(connector, level); @@ -538,7 +508,9 @@ intel_dp_aux_vesa_enable_backlight(const struct intel_crtc_state *crtc_state, if (ret == 1) return; - if (!intel_dp_aux_vesa_set_luminance(connector, level)) + if (!drm_edp_backlight_set_level(&intel_dp->aux, + &panel->backlight.edp.vesa.info, + level)) return; }