From patchwork Wed Aug 25 00:58:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12456143 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE05FC4320E for ; Wed, 25 Aug 2021 00:53:53 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9B653610C9 for ; Wed, 25 Aug 2021 00:53:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9B653610C9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 98029896FA; Wed, 25 Aug 2021 00:53:45 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1630289718 for ; Wed, 25 Aug 2021 00:53:43 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10086"; a="204623093" X-IronPort-AV: E=Sophos;i="5.84,349,1620716400"; d="scan'208";a="204623093" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2021 17:53:42 -0700 X-IronPort-AV: E=Sophos;i="5.84,349,1620716400"; d="scan'208";a="507826412" Received: from josouza-mobl2.jf.intel.com (HELO josouza-mobl2.intel.com) ([10.24.14.60]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2021 17:53:42 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Cc: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= Date: Tue, 24 Aug 2021 17:58:36 -0700 Message-Id: <20210825005840.170796-5-jose.souza@intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210825005840.170796-1-jose.souza@intel.com> References: <20210825005840.170796-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 4/8] drm/i915/display: Some code improvements and code style fixes for DRRS 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" It started as a code style fix for the lines above 100 col but it turned out to simplifications to intel_drrs_set_state(). Now it receives the desired refresh rate type, high or low. Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/i915/display/intel_drrs.c | 60 ++++++++--------------- 1 file changed, 21 insertions(+), 39 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c index 1aa9793521158..5eb5033242575 100644 --- a/drivers/gpu/drm/i915/display/intel_drrs.c +++ b/drivers/gpu/drm/i915/display/intel_drrs.c @@ -91,7 +91,7 @@ intel_drrs_compute_config(struct intel_dp *intel_dp, * intel_drrs_set_state - program registers for RR switch to take effect * @dev_priv: i915 device * @crtc_state: a pointer to the active intel_crtc_state - * @refresh_rate: RR to be programmed + * @refresh_type: high or low refresh rate to be programmed * * This function gets called when refresh rate (RR) has to be changed from * one frequency to another. Switches can be between high and low RR @@ -102,19 +102,13 @@ intel_drrs_compute_config(struct intel_dp *intel_dp, */ static void intel_drrs_set_state(struct drm_i915_private *dev_priv, const struct intel_crtc_state *crtc_state, - int refresh_rate) + enum drrs_refresh_rate_type refresh_type) { struct intel_dp *intel_dp = dev_priv->drrs.dp; struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - enum drrs_refresh_rate_type index = DRRS_HIGH_RR; + struct drm_display_mode *mode; - if (refresh_rate <= 0) { - drm_dbg_kms(&dev_priv->drm, - "Refresh rate should be positive non-zero.\n"); - return; - } - - if (intel_dp == NULL) { + if (!intel_dp) { drm_dbg_kms(&dev_priv->drm, "DRRS not supported.\n"); return; } @@ -130,15 +124,8 @@ static void intel_drrs_set_state(struct drm_i915_private *dev_priv, return; } - if (drm_mode_vrefresh(intel_dp->attached_connector->panel.downclock_mode) == - refresh_rate) - index = DRRS_LOW_RR; - - if (index == dev_priv->drrs.refresh_rate_type) { - drm_dbg_kms(&dev_priv->drm, - "DRRS requested for previously set RR...ignoring\n"); + if (refresh_type == dev_priv->drrs.refresh_rate_type) return; - } if (!crtc_state->hw.active) { drm_dbg_kms(&dev_priv->drm, @@ -147,7 +134,7 @@ static void intel_drrs_set_state(struct drm_i915_private *dev_priv, } if (DISPLAY_VER(dev_priv) >= 8 && !IS_CHERRYVIEW(dev_priv)) { - switch (index) { + switch (refresh_type) { case DRRS_HIGH_RR: intel_dp_set_m_n(crtc_state, M1_N1); break; @@ -164,7 +151,7 @@ static void intel_drrs_set_state(struct drm_i915_private *dev_priv, u32 val; val = intel_de_read(dev_priv, reg); - if (index > DRRS_HIGH_RR) { + if (refresh_type == DRRS_LOW_RR) { if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) val |= PIPECONF_EDP_RR_MODE_SWITCH_VLV; else @@ -178,10 +165,14 @@ static void intel_drrs_set_state(struct drm_i915_private *dev_priv, intel_de_write(dev_priv, reg, val); } - dev_priv->drrs.refresh_rate_type = index; + dev_priv->drrs.refresh_rate_type = refresh_type; + if (refresh_type == DRRS_LOW_RR) + mode = intel_dp->attached_connector->panel.fixed_mode; + else + mode = intel_dp->attached_connector->panel.downclock_mode; drm_dbg_kms(&dev_priv->drm, "eDP Refresh Rate set to : %dHz\n", - refresh_rate); + drm_mode_vrefresh(mode)); } static void @@ -229,13 +220,7 @@ intel_drrs_disable_locked(struct intel_dp *intel_dp, { struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) { - int refresh; - - refresh = drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode); - intel_drrs_set_state(dev_priv, crtc_state, refresh); - } - + intel_drrs_set_state(dev_priv, crtc_state, DRRS_HIGH_RR); dev_priv->drrs.dp = NULL; } @@ -303,6 +288,7 @@ static void intel_drrs_downclock_work(struct work_struct *work) struct drm_i915_private *dev_priv = container_of(work, typeof(*dev_priv), drrs.work.work); struct intel_dp *intel_dp; + struct drm_crtc *crtc; mutex_lock(&dev_priv->drrs.mutex); @@ -319,12 +305,8 @@ static void intel_drrs_downclock_work(struct work_struct *work) if (dev_priv->drrs.busy_frontbuffer_bits) goto unlock; - if (dev_priv->drrs.refresh_rate_type != DRRS_LOW_RR) { - struct drm_crtc *crtc = dp_to_dig_port(intel_dp)->base.base.crtc; - - intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config, - drm_mode_vrefresh(intel_dp->attached_connector->panel.downclock_mode)); - } + crtc = dp_to_dig_port(intel_dp)->base.base.crtc; + intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config, DRRS_LOW_RR); unlock: mutex_unlock(&dev_priv->drrs.mutex); @@ -367,9 +349,9 @@ void intel_drrs_invalidate(struct drm_i915_private *dev_priv, dev_priv->drrs.busy_frontbuffer_bits |= frontbuffer_bits; /* invalidate means busy screen hence upclock */ - if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) + if (frontbuffer_bits) intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config, - drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); + DRRS_HIGH_RR); mutex_unlock(&dev_priv->drrs.mutex); } @@ -413,9 +395,9 @@ void intel_drrs_flush(struct drm_i915_private *dev_priv, dev_priv->drrs.busy_frontbuffer_bits &= ~frontbuffer_bits; /* flush means busy screen hence upclock */ - if (frontbuffer_bits && dev_priv->drrs.refresh_rate_type == DRRS_LOW_RR) + if (frontbuffer_bits) intel_drrs_set_state(dev_priv, to_intel_crtc(crtc)->config, - drm_mode_vrefresh(intel_dp->attached_connector->panel.fixed_mode)); + DRRS_HIGH_RR); /* * flush also means no more activity hence schedule downclock, if all