From mboxrd@z Thu Jan 1 00:00:00 1970 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 80A7BC61DA4 for ; Mon, 30 Jan 2023 13:06:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 044F910E248; Mon, 30 Jan 2023 13:06:28 +0000 (UTC) Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 07D0810E248 for ; Mon, 30 Jan 2023 13:06:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1675083986; x=1706619986; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=7uclosThntRdBthSQKndYoxjwQvx+bUiZjnJyZBDjxY=; b=jS0CNktSsZQn1TnH9n4XwnG/7IeEtvhnz9pINyuqUpJNVbhQH/fMKTlH OojbKlfTkACDn5reoohz29M2FLwkhI7bUmD1CvWDn5m4Wr3IGaYcK8GLp RjvUqsM+6wF6Nhj+BjT1iwygwlzZMeNxDxvReHaVHe+jQkokZiRgIdXzC /9ht8A7+GqvQoeH9m7N84MAakr3kYOAjhRC/tdu87Iq9+YttyUKCtIBUh fqVlvX5zSY/AHwXH7165Ztm1YV13TPU/F4Wt1YhFnoRfj1LX5DpDZtr9V 8E/BHV+56h1iT5VhVU+AcSD8aLkmx85j3shkDIZX+wNKH6/CL4+dF8658 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10605"; a="326216653" X-IronPort-AV: E=Sophos;i="5.97,258,1669104000"; d="scan'208";a="326216653" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2023 05:06:25 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10605"; a="837964543" X-IronPort-AV: E=Sophos;i="5.97,258,1669104000"; d="scan'208";a="837964543" Received: from jproschw-mobl.ger.corp.intel.com (HELO localhost) ([10.252.33.170]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2023 05:06:23 -0800 From: Jani Nikula To: Andrzej Hajda , intel-gfx@lists.freedesktop.org In-Reply-To: <2b5c4053-59a0-6aef-0d99-193ee304a503@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20221215125610.1161729-1-andrzej.hajda@intel.com> <2b5c4053-59a0-6aef-0d99-193ee304a503@intel.com> Date: Mon, 30 Jan 2023 15:06:20 +0200 Message-ID: <875yco41f7.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Intel-gfx] [PATCH] drm/i915/display/fdi: use intel_de_rmw if possible 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: , Cc: Rodrigo Vivi Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Mon, 30 Jan 2023, Andrzej Hajda wrote: > Hi all, > > Gently ping on merging this and all other intel_de_rmw patches. > All patches reviewed. > drm/i915/display/fdi: use intel_de_rmw if possible > drm/i915/display/vlv: fix pixel overlap register update > drm/i915/display/vlv: use intel_de_rmw if possible > drm/i915/display/dsi: use intel_de_rmw if possible Pushed the above, sorry for the delay. The below are R-b by Rodrigo in [1], I'll let him deal with them. Andrzej, looks like you now meet the criteria for commit access [2]. Please check the documentation and apply for drm-intel commit access, so you can start pushing your own patches. Thanks, Jani. [1] https://patchwork.freedesktop.org/series/112438/ [2] https://drm.pages.freedesktop.org/maintainer-tools/commit-access.html#drm-intel > drm/i915/display/core: use intel_de_rmw if possible > drm/i915/display/power: use intel_de_rmw if possible > drm/i915/display/dpll: use intel_de_rmw if possible > drm/i915/display/phys: use intel_de_rmw if possible > drm/i915/display/pch: use intel_de_rmw if possible > drm/i915/display/hdmi: use intel_de_rmw if possible > drm/i915/display/panel: use intel_de_rmw if possible in panel related code > drm/i915/display/interfaces: use intel_de_rmw if possible > drm/i915/display/misc: use intel_de_rmw if possible > > Regards > Andrzej > > On 15.12.2022 13:56, Andrzej Hajda wrote: >> The helper makes the code more compact and readable. >> >> Signed-off-by: Andrzej Hajda >> --- >> drivers/gpu/drm/i915/display/intel_fdi.c | 148 +++++++---------------- >> 1 file changed, 44 insertions(+), 104 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/display/intel_fdi.c b/drivers/gpu/drm/i915/display/intel_fdi.c >> index 063f1da4f229cf..f62d9a9313498c 100644 >> --- a/drivers/gpu/drm/i915/display/intel_fdi.c >> +++ b/drivers/gpu/drm/i915/display/intel_fdi.c >> @@ -439,19 +439,11 @@ static void ilk_fdi_link_train(struct intel_crtc *crtc, >> drm_err(&dev_priv->drm, "FDI train 1 fail!\n"); >> >> /* Train 2 */ >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_NONE; >> - temp |= FDI_LINK_TRAIN_PATTERN_2; >> - intel_de_write(dev_priv, reg, temp); >> - >> - reg = FDI_RX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_NONE; >> - temp |= FDI_LINK_TRAIN_PATTERN_2; >> - intel_de_write(dev_priv, reg, temp); >> - >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), >> + FDI_LINK_TRAIN_NONE, FDI_LINK_TRAIN_PATTERN_2); >> + intel_de_rmw(dev_priv, FDI_RX_CTL(pipe), >> + FDI_LINK_TRAIN_NONE, FDI_LINK_TRAIN_PATTERN_2); >> + intel_de_posting_read(dev_priv, FDI_RX_CTL(pipe)); >> udelay(150); >> >> reg = FDI_RX_IIR(pipe); >> @@ -538,13 +530,9 @@ static void gen6_fdi_link_train(struct intel_crtc *crtc, >> udelay(150); >> >> for (i = 0; i < 4; i++) { >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; >> - temp |= snb_b_fdi_train_param[i]; >> - intel_de_write(dev_priv, reg, temp); >> - >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), >> + FDI_LINK_TRAIN_VOL_EMP_MASK, snb_b_fdi_train_param[i]); >> + intel_de_posting_read(dev_priv, FDI_TX_CTL(pipe)); >> udelay(500); >> >> for (retry = 0; retry < 5; retry++) { >> @@ -593,13 +581,9 @@ static void gen6_fdi_link_train(struct intel_crtc *crtc, >> udelay(150); >> >> for (i = 0; i < 4; i++) { >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; >> - temp |= snb_b_fdi_train_param[i]; >> - intel_de_write(dev_priv, reg, temp); >> - >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), >> + FDI_LINK_TRAIN_VOL_EMP_MASK, snb_b_fdi_train_param[i]); >> + intel_de_posting_read(dev_priv, FDI_TX_CTL(pipe)); >> udelay(500); >> >> for (retry = 0; retry < 5; retry++) { >> @@ -719,19 +703,13 @@ static void ivb_manual_fdi_link_train(struct intel_crtc *crtc, >> } >> >> /* Train 2 */ >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_NONE_IVB; >> - temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; >> - intel_de_write(dev_priv, reg, temp); >> - >> - reg = FDI_RX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; >> - temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; >> - intel_de_write(dev_priv, reg, temp); >> - >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), >> + FDI_LINK_TRAIN_NONE_IVB, >> + FDI_LINK_TRAIN_PATTERN_2_IVB); >> + intel_de_rmw(dev_priv, FDI_RX_CTL(pipe), >> + FDI_LINK_TRAIN_PATTERN_MASK_CPT, >> + FDI_LINK_TRAIN_PATTERN_2_CPT); >> + intel_de_posting_read(dev_priv, FDI_RX_CTL(pipe)); >> udelay(2); /* should be 1.5us */ >> >> for (i = 0; i < 4; i++) { >> @@ -837,9 +815,8 @@ void hsw_fdi_link_train(struct intel_encoder *encoder, >> udelay(30); >> >> /* Unset FDI_RX_MISC pwrdn lanes */ >> - temp = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A)); >> - temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); >> - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), temp); >> + intel_de_rmw(dev_priv, FDI_RX_MISC(PIPE_A), >> + FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK, 0); >> intel_de_posting_read(dev_priv, FDI_RX_MISC(PIPE_A)); >> >> /* Wait for FDI auto training time */ >> @@ -865,25 +842,21 @@ void hsw_fdi_link_train(struct intel_encoder *encoder, >> intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val); >> intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A)); >> >> - temp = intel_de_read(dev_priv, DDI_BUF_CTL(PORT_E)); >> - temp &= ~DDI_BUF_CTL_ENABLE; >> - intel_de_write(dev_priv, DDI_BUF_CTL(PORT_E), temp); >> + intel_de_rmw(dev_priv, DDI_BUF_CTL(PORT_E), DDI_BUF_CTL_ENABLE, 0); >> intel_de_posting_read(dev_priv, DDI_BUF_CTL(PORT_E)); >> >> /* Disable DP_TP_CTL and FDI_RX_CTL and retry */ >> - temp = intel_de_read(dev_priv, DP_TP_CTL(PORT_E)); >> - temp &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); >> - temp |= DP_TP_CTL_LINK_TRAIN_PAT1; >> - intel_de_write(dev_priv, DP_TP_CTL(PORT_E), temp); >> + intel_de_rmw(dev_priv, DP_TP_CTL(PORT_E), >> + DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK, >> + DP_TP_CTL_LINK_TRAIN_PAT1); >> intel_de_posting_read(dev_priv, DP_TP_CTL(PORT_E)); >> >> intel_wait_ddi_buf_idle(dev_priv, PORT_E); >> >> /* Reset FDI_RX_MISC pwrdn lanes */ >> - temp = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A)); >> - temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); >> - temp |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2); >> - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), temp); >> + intel_de_rmw(dev_priv, FDI_RX_MISC(PIPE_A), >> + FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK, >> + FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2)); >> intel_de_posting_read(dev_priv, FDI_RX_MISC(PIPE_A)); >> } >> >> @@ -898,7 +871,6 @@ void hsw_fdi_link_train(struct intel_encoder *encoder, >> void hsw_fdi_disable(struct intel_encoder *encoder) >> { >> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); >> - u32 val; >> >> /* >> * Bspec lists this as both step 13 (before DDI_BUF_CTL disable) >> @@ -906,30 +878,15 @@ void hsw_fdi_disable(struct intel_encoder *encoder) >> * step 13 is the correct place for it. Step 18 is where it was >> * originally before the BUN. >> */ >> - val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A)); >> - val &= ~FDI_RX_ENABLE; >> - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val); >> - >> - val = intel_de_read(dev_priv, DDI_BUF_CTL(PORT_E)); >> - val &= ~DDI_BUF_CTL_ENABLE; >> - intel_de_write(dev_priv, DDI_BUF_CTL(PORT_E), val); >> - >> + intel_de_rmw(dev_priv, FDI_RX_CTL(PIPE_A), FDI_RX_ENABLE, 0); >> + intel_de_rmw(dev_priv, DDI_BUF_CTL(PORT_E), DDI_BUF_CTL_ENABLE, 0); >> intel_wait_ddi_buf_idle(dev_priv, PORT_E); >> - >> intel_ddi_disable_clock(encoder); >> - >> - val = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A)); >> - val &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); >> - val |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2); >> - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), val); >> - >> - val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A)); >> - val &= ~FDI_PCDCLK; >> - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val); >> - >> - val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A)); >> - val &= ~FDI_RX_PLL_ENABLE; >> - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val); >> + intel_de_rmw(dev_priv, FDI_RX_MISC(PIPE_A), >> + FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK, >> + FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2)); >> + intel_de_rmw(dev_priv, FDI_RX_CTL(PIPE_A), FDI_PCDCLK, 0); >> + intel_de_rmw(dev_priv, FDI_RX_CTL(PIPE_A), FDI_RX_PLL_ENABLE, 0); >> } >> >> void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state) >> @@ -952,9 +909,7 @@ void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state) >> udelay(200); >> >> /* Switch from Rawclk to PCDclk */ >> - temp = intel_de_read(dev_priv, reg); >> - intel_de_write(dev_priv, reg, temp | FDI_PCDCLK); >> - >> + intel_de_rmw(dev_priv, reg, 0, FDI_PCDCLK); >> intel_de_posting_read(dev_priv, reg); >> udelay(200); >> >> @@ -974,28 +929,18 @@ void ilk_fdi_pll_disable(struct intel_crtc *crtc) >> struct drm_device *dev = crtc->base.dev; >> struct drm_i915_private *dev_priv = to_i915(dev); >> enum pipe pipe = crtc->pipe; >> - i915_reg_t reg; >> - u32 temp; >> >> /* Switch from PCDclk to Rawclk */ >> - reg = FDI_RX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - intel_de_write(dev_priv, reg, temp & ~FDI_PCDCLK); >> + intel_de_rmw(dev_priv, FDI_RX_CTL(pipe), FDI_PCDCLK, 0); >> >> /* Disable CPU FDI TX PLL */ >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - intel_de_write(dev_priv, reg, temp & ~FDI_TX_PLL_ENABLE); >> - >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), FDI_TX_PLL_ENABLE, 0); >> + intel_de_posting_read(dev_priv, FDI_TX_CTL(pipe)); >> udelay(100); >> >> - reg = FDI_RX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - intel_de_write(dev_priv, reg, temp & ~FDI_RX_PLL_ENABLE); >> - >> /* Wait for the clocks to turn off. */ >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_RX_CTL(pipe), FDI_RX_PLL_ENABLE, 0); >> + intel_de_posting_read(dev_priv, FDI_RX_CTL(pipe)); >> udelay(100); >> } >> >> @@ -1007,10 +952,8 @@ void ilk_fdi_disable(struct intel_crtc *crtc) >> u32 temp; >> >> /* disable CPU FDI tx and PCH FDI rx */ >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - intel_de_write(dev_priv, reg, temp & ~FDI_TX_ENABLE); >> - intel_de_posting_read(dev_priv, reg); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), FDI_TX_ENABLE, 0); >> + intel_de_posting_read(dev_priv, FDI_TX_CTL(pipe)); >> >> reg = FDI_RX_CTL(pipe); >> temp = intel_de_read(dev_priv, reg); >> @@ -1027,11 +970,8 @@ void ilk_fdi_disable(struct intel_crtc *crtc) >> FDI_RX_PHASE_SYNC_POINTER_OVR); >> >> /* still set train pattern 1 */ >> - reg = FDI_TX_CTL(pipe); >> - temp = intel_de_read(dev_priv, reg); >> - temp &= ~FDI_LINK_TRAIN_NONE; >> - temp |= FDI_LINK_TRAIN_PATTERN_1; >> - intel_de_write(dev_priv, reg, temp); >> + intel_de_rmw(dev_priv, FDI_TX_CTL(pipe), >> + FDI_LINK_TRAIN_NONE, FDI_LINK_TRAIN_PATTERN_1); >> >> reg = FDI_RX_CTL(pipe); >> temp = intel_de_read(dev_priv, reg); > -- Jani Nikula, Intel Open Source Graphics Center