From patchwork Mon Aug 10 06:53:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Xiong Y" X-Patchwork-Id: 6980171 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4277EC05AC for ; Mon, 10 Aug 2015 06:51:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 34F60205FD for ; Mon, 10 Aug 2015 06:51:49 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id E2AF2205FA for ; Mon, 10 Aug 2015 06:51:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 935C46E101; Sun, 9 Aug 2015 23:51:46 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 3D0176E101 for ; Sun, 9 Aug 2015 23:51:45 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 09 Aug 2015 23:51:44 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,643,1432623600"; d="scan'208";a="781014576" Received: from panda-dev.bj.intel.com ([10.238.154.59]) by orsmga002.jf.intel.com with ESMTP; 09 Aug 2015 23:51:46 -0700 From: Xiong Zhang To: intel-gfx@lists.freedesktop.org Date: Mon, 10 Aug 2015 14:53:03 +0800 Message-Id: <1439189583-25493-1-git-send-email-xiong.y.zhang@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: Subject: [Intel-gfx] [PATCH 5/6 v2] drm/i915/skl: enable DDI-E hotplug X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP v2: fix one error found by checkpath.pl Signed-off-by: Xiong Zhang Reviewed-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_irq.c | 48 +++++++++++++++++++++++++++++++++--- drivers/gpu/drm/i915/i915_reg.h | 12 +++++++++ drivers/gpu/drm/i915/intel_display.c | 2 ++ drivers/gpu/drm/i915/intel_dp.c | 3 +++ drivers/gpu/drm/i915/intel_hotplug.c | 3 +++ 6 files changed, 65 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8d50d4f..6d93334 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -214,6 +214,7 @@ enum hpd_pin { HPD_PORT_B, HPD_PORT_C, HPD_PORT_D, + HPD_PORT_E, HPD_NUM_PINS }; diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 1118c39..d94c92d 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -61,6 +61,13 @@ static const u32 hpd_cpt[HPD_NUM_PINS] = { [HPD_PORT_D] = SDE_PORTD_HOTPLUG_CPT }; +static const u32 hpd_spt[HPD_NUM_PINS] = { + [HPD_PORT_B] = SDE_PORTB_HOTPLUG_CPT, + [HPD_PORT_C] = SDE_PORTC_HOTPLUG_CPT, + [HPD_PORT_D] = SDE_PORTD_HOTPLUG_CPT, + [HPD_PORT_E] = SDE_PORTE_HOTPLUG_SPT +}; + static const u32 hpd_mask_i915[HPD_NUM_PINS] = { [HPD_CRT] = CRT_HOTPLUG_INT_EN, [HPD_SDVO_B] = SDVOB_HOTPLUG_INT_EN, @@ -1252,6 +1259,8 @@ static bool pch_port_hotplug_long_detect(enum port port, u32 val) return val & PORTC_HOTPLUG_LONG_DETECT; case PORT_D: return val & PORTD_HOTPLUG_LONG_DETECT; + case PORT_E: + return val & PORTE_HOTPLUG_LONG_DETECT; default: return false; } @@ -1752,7 +1761,12 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) { struct drm_i915_private *dev_priv = dev->dev_private; int pipe; - u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT; + u32 hotplug_trigger; + + if (HAS_PCH_SPT(dev)) + hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_SPT; + else + hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT; if (hotplug_trigger) { u32 dig_hotplug_reg, pin_mask, long_mask; @@ -1760,9 +1774,23 @@ static void cpt_irq_handler(struct drm_device *dev, u32 pch_iir) dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG); I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg); - intel_get_hpd_pins(&pin_mask, &long_mask, hotplug_trigger, - dig_hotplug_reg, hpd_cpt, - pch_port_hotplug_long_detect); + if (HAS_PCH_SPT(dev)) { + intel_get_hpd_pins(&pin_mask, &long_mask, + hotplug_trigger, + dig_hotplug_reg, hpd_spt, + pch_port_hotplug_long_detect); + + /* detect PORTE HP event */ + dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG2); + if (pch_port_hotplug_long_detect(PORT_E, + dig_hotplug_reg)) + long_mask |= 1 << HPD_PORT_E; + } else + intel_get_hpd_pins(&pin_mask, &long_mask, + hotplug_trigger, + dig_hotplug_reg, hpd_cpt, + pch_port_hotplug_long_detect); + intel_hpd_irq_handler(dev, pin_mask, long_mask); } @@ -2984,6 +3012,11 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) for_each_intel_encoder(dev, intel_encoder) if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state == HPD_ENABLED) enabled_irqs |= hpd_ibx[intel_encoder->hpd_pin]; + } else if (HAS_PCH_SPT(dev)) { + hotplug_irqs = SDE_HOTPLUG_MASK_SPT; + for_each_intel_encoder(dev, intel_encoder) + if (dev_priv->hotplug.stats[intel_encoder->hpd_pin].state == HPD_ENABLED) + enabled_irqs |= hpd_spt[intel_encoder->hpd_pin]; } else { hotplug_irqs = SDE_HOTPLUG_MASK_CPT; for_each_intel_encoder(dev, intel_encoder) @@ -3005,6 +3038,13 @@ static void ibx_hpd_irq_setup(struct drm_device *dev) hotplug |= PORTC_HOTPLUG_ENABLE | PORTC_PULSE_DURATION_2ms; hotplug |= PORTB_HOTPLUG_ENABLE | PORTB_PULSE_DURATION_2ms; I915_WRITE(PCH_PORT_HOTPLUG, hotplug); + + /* enable SPT PORTE hot plug */ + if (HAS_PCH_SPT(dev)) { + hotplug = I915_READ(PCH_PORT_HOTPLUG2); + hotplug |= PORTE_HOTPLUG_ENABLE; + I915_WRITE(PCH_PORT_HOTPLUG2, hotplug); + } } static void bxt_hpd_irq_setup(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 3a77678..cdd2244 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -5940,6 +5940,7 @@ enum skl_disp_power_wells { #define SDE_AUXC_CPT (1 << 26) #define SDE_AUXB_CPT (1 << 25) #define SDE_AUX_MASK_CPT (7 << 25) +#define SDE_PORTE_HOTPLUG_SPT (1 << 25) #define SDE_PORTD_HOTPLUG_CPT (1 << 23) #define SDE_PORTC_HOTPLUG_CPT (1 << 22) #define SDE_PORTB_HOTPLUG_CPT (1 << 21) @@ -5950,6 +5951,10 @@ enum skl_disp_power_wells { SDE_PORTD_HOTPLUG_CPT | \ SDE_PORTC_HOTPLUG_CPT | \ SDE_PORTB_HOTPLUG_CPT) +#define SDE_HOTPLUG_MASK_SPT (SDE_PORTE_HOTPLUG_SPT | \ + SDE_PORTD_HOTPLUG_CPT | \ + SDE_PORTC_HOTPLUG_CPT | \ + SDE_PORTB_HOTPLUG_CPT) #define SDE_GMBUS_CPT (1 << 17) #define SDE_ERROR_CPT (1 << 16) #define SDE_AUDIO_CP_REQ_C_CPT (1 << 10) @@ -6021,6 +6026,13 @@ enum skl_disp_power_wells { #define PORTB_HOTPLUG_SHORT_DETECT (1 << 0) #define PORTB_HOTPLUG_LONG_DETECT (2 << 0) +#define PCH_PORT_HOTPLUG2 0xc403C /* SHOTPLUG_CTL2 */ +#define PORTE_HOTPLUG_ENABLE (1 << 4) +#define PORTE_HOTPLUG_STATUS_MASK (0x3 << 0) +#define PORTE_HOTPLUG_NO_DETECT (0 << 0) +#define PORTE_HOTPLUG_SHORT_DETECT (1 << 0) +#define PORTE_HOTPLUG_LONG_DETECT (2 << 0) + #define PCH_GPIOA 0xc5010 #define PCH_GPIOB 0xc5014 #define PCH_GPIOC 0xc5018 diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index ea10fa8..5009b01 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1098,6 +1098,8 @@ bool ibx_digital_port_connected(struct drm_i915_private *dev_priv, case PORT_D: bit = SDE_PORTD_HOTPLUG_CPT; break; + case PORT_E: + bit = SDE_PORTE_HOTPLUG_SPT; default: return true; } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 0643a91..3b5c0ee 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5823,6 +5823,9 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, case PORT_D: intel_encoder->hpd_pin = HPD_PORT_D; break; + case PORT_E: + intel_encoder->hpd_pin = HPD_PORT_E; + break; default: BUG(); } diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c index 032a0bf..53c0173 100644 --- a/drivers/gpu/drm/i915/intel_hotplug.c +++ b/drivers/gpu/drm/i915/intel_hotplug.c @@ -91,6 +91,9 @@ bool intel_hpd_pin_to_port(enum hpd_pin pin, enum port *port) case HPD_PORT_D: *port = PORT_D; return true; + case HPD_PORT_E: + *port = PORT_E; + return true; default: return false; /* no hpd */ }