From patchwork Thu Feb 13 18:47:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 11381037 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5C22192A for ; Thu, 13 Feb 2020 18:48:15 +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 44AB8218AC for ; Thu, 13 Feb 2020 18:48:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 44AB8218AC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C34CC6F61D; Thu, 13 Feb 2020 18:48:14 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 648D96F61D for ; Thu, 13 Feb 2020 18:48:13 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Feb 2020 10:48:12 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,437,1574150400"; d="scan'208";a="238118900" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga006.jf.intel.com with SMTP; 13 Feb 2020 10:48:10 -0800 Received: by stinkbox (sSMTP sendmail emulation); Thu, 13 Feb 2020 20:48:09 +0200 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Thu, 13 Feb 2020 20:47:57 +0200 Message-Id: <20200213184800.14147-4-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200213184800.14147-1-ville.syrjala@linux.intel.com> References: <20200213184800.14147-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/6] drm/i915: Unify the low level dbuf code 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" From: Ville Syrjälä The low level dbuf slice code is rather inconsitent with its functiona naming and organization. Make it more consistent. Also share the enable/disable functions between all platforms since the same code works just fine for all of them. Cc: Stanislav Lisovskiy Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 10 ++-- .../drm/i915/display/intel_display_power.c | 46 ++++++++----------- .../drm/i915/display/intel_display_power.h | 6 +-- 3 files changed, 27 insertions(+), 35 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index e331ab900336..7fb25c7655d1 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -15463,9 +15463,9 @@ static void icl_dbuf_slice_pre_update(struct intel_atomic_state *state) WARN_ON(!new_dbuf_state->base.changed); - icl_dbuf_slices_update(dev_priv, - old_dbuf_state->enabled_slices | - new_dbuf_state->enabled_slices); + gen9_dbuf_slices_update(dev_priv, + old_dbuf_state->enabled_slices | + new_dbuf_state->enabled_slices); } static void icl_dbuf_slice_post_update(struct intel_atomic_state *state) @@ -15482,8 +15482,8 @@ static void icl_dbuf_slice_post_update(struct intel_atomic_state *state) WARN_ON(!new_dbuf_state->base.changed); - icl_dbuf_slices_update(dev_priv, - new_dbuf_state->enabled_slices); + gen9_dbuf_slices_update(dev_priv, + new_dbuf_state->enabled_slices); } static void skl_commit_modeset_enables(struct intel_atomic_state *state) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index f24f42c5c446..54715da7dc32 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -4405,15 +4405,18 @@ static void intel_power_domains_sync_hw(struct drm_i915_private *dev_priv) mutex_unlock(&power_domains->lock); } -static void intel_dbuf_slice_set(struct drm_i915_private *dev_priv, - enum dbuf_slice slice, bool enable) +static void gen9_dbuf_slice_set(struct drm_i915_private *dev_priv, + enum dbuf_slice slice, bool enable) { i915_reg_t reg = DBUF_CTL_S(slice); bool state; u32 val; val = intel_de_read(dev_priv, reg); - val = enable ? (val | DBUF_POWER_REQUEST) : (val & ~DBUF_POWER_REQUEST); + if (enable) + val |= DBUF_POWER_REQUEST; + else + val &= ~DBUF_POWER_REQUEST; intel_de_write(dev_priv, reg, val); intel_de_posting_read(dev_priv, reg); udelay(10); @@ -4424,18 +4427,8 @@ static void intel_dbuf_slice_set(struct drm_i915_private *dev_priv, slice, enable ? "enable" : "disable"); } -static void gen9_dbuf_enable(struct drm_i915_private *dev_priv) -{ - icl_dbuf_slices_update(dev_priv, BIT(DBUF_S1)); -} - -static void gen9_dbuf_disable(struct drm_i915_private *dev_priv) -{ - icl_dbuf_slices_update(dev_priv, 0); -} - -void icl_dbuf_slices_update(struct drm_i915_private *dev_priv, - u8 req_slices) +void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv, + u8 req_slices) { int num_slices = INTEL_INFO(dev_priv)->num_supported_dbuf_slices; struct i915_power_domains *power_domains = &dev_priv->power_domains; @@ -4458,26 +4451,25 @@ void icl_dbuf_slices_update(struct drm_i915_private *dev_priv, mutex_lock(&power_domains->lock); for (slice = DBUF_S1; slice < num_slices; slice++) - intel_dbuf_slice_set(dev_priv, slice, - req_slices & BIT(slice)); + gen9_dbuf_slice_set(dev_priv, slice, req_slices & BIT(slice)); dev_priv->dbuf.enabled_slices = req_slices; mutex_unlock(&power_domains->lock); } -static void icl_dbuf_enable(struct drm_i915_private *dev_priv) +static void gen9_dbuf_enable(struct drm_i915_private *dev_priv) { - /* - * Just power up 1 slice, we will - * figure out later which slices we have and what we need. - */ - icl_dbuf_slices_update(dev_priv, BIT(DBUF_S1)); + /* TOOD: Rebase on Stan's patch adding the readout here */ + dev_priv->dbuf.enabled_slices = intel_enabled_dbuf_slices_mask(dev_priv); + + gen9_dbuf_slices_update(dev_priv, BIT(DBUF_S1) | + dev_priv->dbuf.enabled_slices); } -static void icl_dbuf_disable(struct drm_i915_private *dev_priv) +static void gen9_dbuf_disable(struct drm_i915_private *dev_priv) { - icl_dbuf_slices_update(dev_priv, 0); + gen9_dbuf_slices_update(dev_priv, 0); } static void icl_mbus_init(struct drm_i915_private *dev_priv) @@ -5021,7 +5013,7 @@ static void icl_display_core_init(struct drm_i915_private *dev_priv, intel_cdclk_init_hw(dev_priv); /* 5. Enable DBUF. */ - icl_dbuf_enable(dev_priv); + gen9_dbuf_enable(dev_priv); /* 6. Setup MBUS. */ icl_mbus_init(dev_priv); @@ -5044,7 +5036,7 @@ static void icl_display_core_uninit(struct drm_i915_private *dev_priv) /* 1. Disable all display engine functions -> aready done */ /* 2. Disable DBUF */ - icl_dbuf_disable(dev_priv); + gen9_dbuf_disable(dev_priv); /* 3. Disable CD clock */ intel_cdclk_uninit_hw(dev_priv); diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index 601e000ffd0d..1a275611241e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -312,13 +312,13 @@ enum dbuf_slice { DBUF_S2, }; +void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv, + u8 req_slices); + #define with_intel_display_power(i915, domain, wf) \ for ((wf) = intel_display_power_get((i915), (domain)); (wf); \ intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0) -void icl_dbuf_slices_update(struct drm_i915_private *dev_priv, - u8 req_slices); - void chv_phy_powergate_lanes(struct intel_encoder *encoder, bool override, unsigned int mask); bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,