From patchwork Mon May 14 17:24:19 2018 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: 10399019 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5FA2160216 for ; Mon, 14 May 2018 17:24:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5108F2842D for ; Mon, 14 May 2018 17:24:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 45BD42844B; Mon, 14 May 2018 17:24:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 92D2C2843B for ; Mon, 14 May 2018 17:24:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D2D3189D4D; Mon, 14 May 2018 17:24:27 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9C3B989D4D for ; Mon, 14 May 2018 17:24:26 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 May 2018 10:24:26 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,400,1520924400"; d="scan'208";a="55800713" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by orsmga001.jf.intel.com with SMTP; 14 May 2018 10:24:23 -0700 Received: by stinkbox (sSMTP sendmail emulation); Mon, 14 May 2018 20:24:23 +0300 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Mon, 14 May 2018 20:24:19 +0300 Message-Id: <20180514172423.9302-1-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.16.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 1/5] drm/i915: Clean up ADPA pipe select bits X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä Clean up the ADPA pipe select bits. To make the whole situation a bit less ugly we'll start to share the same code between .get_hw_state() and the port state asserts. v2: Order the defines shift,mask,value (Jani) Reviewed-by: Jani Nikula Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/i915_reg.h | 11 +++++----- drivers/gpu/drm/i915/intel_crt.c | 40 ++++++++++++++++++------------------ drivers/gpu/drm/i915/intel_display.c | 24 +++++----------------- drivers/gpu/drm/i915/intel_drv.h | 2 ++ 4 files changed, 33 insertions(+), 44 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index f11bb213ec07..ae3c26216996 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -4133,11 +4133,12 @@ enum { #define ADPA_DAC_ENABLE (1<<31) #define ADPA_DAC_DISABLE 0 -#define ADPA_PIPE_SELECT_MASK (1<<30) -#define ADPA_PIPE_A_SELECT 0 -#define ADPA_PIPE_B_SELECT (1<<30) -#define ADPA_PIPE_SELECT(pipe) ((pipe) << 30) -/* CPT uses bits 29:30 for pch transcoder select */ +#define ADPA_PIPE_SEL_SHIFT 30 +#define ADPA_PIPE_SEL_MASK (1<<30) +#define ADPA_PIPE_SEL(pipe) ((pipe) << 30) +#define ADPA_PIPE_SEL_SHIFT_CPT 29 +#define ADPA_PIPE_SEL_MASK_CPT (3<<29) +#define ADPA_PIPE_SEL_CPT(pipe) ((pipe) << 29) #define ADPA_CRT_HOTPLUG_MASK 0x03ff0000 /* bit 25-16 */ #define ADPA_CRT_HOTPLUG_MONITOR_NONE (0<<24) #define ADPA_CRT_HOTPLUG_MONITOR_MASK (3<<24) diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index de0e22322c76..211d601cd1b1 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -63,33 +63,35 @@ static struct intel_crt *intel_attached_crt(struct drm_connector *connector) return intel_encoder_to_crt(intel_attached_encoder(connector)); } +bool intel_crt_port_enabled(struct drm_i915_private *dev_priv, + i915_reg_t adpa_reg, enum pipe *pipe) +{ + u32 val; + + val = I915_READ(adpa_reg); + + /* asserts want to know the pipe even if the port is disabled */ + if (HAS_PCH_CPT(dev_priv)) + *pipe = (val & ADPA_PIPE_SEL_MASK_CPT) >> ADPA_PIPE_SEL_SHIFT_CPT; + else + *pipe = (val & ADPA_PIPE_SEL_MASK) >> ADPA_PIPE_SEL_SHIFT; + + return val & ADPA_DAC_ENABLE; +} + static bool intel_crt_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe) { - struct drm_device *dev = encoder->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); struct intel_crt *crt = intel_encoder_to_crt(encoder); - u32 tmp; bool ret; if (!intel_display_power_get_if_enabled(dev_priv, encoder->power_domain)) return false; - ret = false; - - tmp = I915_READ(crt->adpa_reg); - - if (!(tmp & ADPA_DAC_ENABLE)) - goto out; + ret = intel_crt_port_enabled(dev_priv, crt->adpa_reg, pipe); - if (HAS_PCH_CPT(dev_priv)) - *pipe = PORT_TO_PIPE_CPT(tmp); - else - *pipe = PORT_TO_PIPE(tmp); - - ret = true; -out: intel_display_power_put(dev_priv, encoder->power_domain); return ret; @@ -168,11 +170,9 @@ static void intel_crt_set_dpms(struct intel_encoder *encoder, if (HAS_PCH_LPT(dev_priv)) ; /* Those bits don't exist here */ else if (HAS_PCH_CPT(dev_priv)) - adpa |= PORT_TRANS_SEL_CPT(crtc->pipe); - else if (crtc->pipe == 0) - adpa |= ADPA_PIPE_A_SELECT; + adpa |= ADPA_PIPE_SEL_CPT(crtc->pipe); else - adpa |= ADPA_PIPE_B_SELECT; + adpa |= ADPA_PIPE_SEL(crtc->pipe); if (!HAS_PCH_SPLIT(dev_priv)) I915_WRITE(BCLRPAT(crtc->pipe), 0); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ad588d564198..6daa8d97a0aa 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1360,21 +1360,6 @@ static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, return true; } -static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, - enum pipe pipe, u32 val) -{ - if ((val & ADPA_DAC_ENABLE) == 0) - return false; - if (HAS_PCH_CPT(dev_priv)) { - if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) - return false; - } else { - if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) - return false; - } - return true; -} - static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, enum pipe pipe, i915_reg_t reg, u32 port_sel) @@ -1405,16 +1390,17 @@ static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, enum pipe pipe) { + enum pipe port_pipe; u32 val; assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); - val = I915_READ(PCH_ADPA); - I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), - "PCH VGA enabled on transcoder %c, should be disabled\n", - pipe_name(pipe)); + I915_STATE_WARN(intel_crt_port_enabled(dev_priv, PCH_ADPA, &port_pipe) && + port_pipe == pipe, + "PCH VGA enabled on transcoder %c, should be disabled\n", + pipe_name(pipe)); val = I915_READ(PCH_LVDS); I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d7dbca1aabff..423795050970 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1377,6 +1377,8 @@ void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); /* intel_crt.c */ +bool intel_crt_port_enabled(struct drm_i915_private *dev_priv, + i915_reg_t adpa_reg, enum pipe *pipe); void intel_crt_init(struct drm_i915_private *dev_priv); void intel_crt_reset(struct drm_encoder *encoder);