From patchwork Tue Mar 29 22:30:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12795292 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 E58D0C433F5 for ; Tue, 29 Mar 2022 22:29:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 406E810E169; Tue, 29 Mar 2022 22:29:51 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id CBD0810E169 for ; Tue, 29 Mar 2022 22:29:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648592990; x=1680128990; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=QJFKalJ2qCEQjPUkRRGgBQE0GfrK2oGszn+FBP0C608=; b=AwcEMbNN0gpAQUdC0Uy/RqkViFPcrib4IGL70e/Az0/AfftnI9gTfv2E KQZaJNEAA03hE+NOgeH5rKsBxgqXIO+mRHtkFnRm0k0TyZVVdfTMPEU8g 08yRn2Qx0MTfwGqunAoNm2g7uGGcRKLnzXg2XNnu4Vyqix6XtWzm5ERZh pyO1quIXdqWZxrBWEH0HsKlpOx87Z2ve/sOPeKxhxW8w2bMJCpVBoX3/h cplBZjgsNFLjmgYdLQnlohVeGAU4044ySv6g1wl7DqUBLUL5+jZk+aRW9 nwQJgG5fSAhk3LS0R5J17hK4mv0yu2Xa6z0FxMoakM1PzV7LaFOCUrvhY w==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="239319323" X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="239319323" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:50 -0700 X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="653332842" Received: from srmusala-desk.amr.corp.intel.com (HELO josouza-mobl2.amr.corp.intel.com) ([10.212.104.251]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:48 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Tue, 29 Mar 2022 15:30:59 -0700 Message-Id: <20220329223102.218689-1-jose.souza@intel.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 1/4] drm/i915/display/tgl+: Set default values for all registers in PIPE_MBUS_DBOX_CTL 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" MBUS_DBOX_B2B_TRANSACTIONS_MAX, MBUS_DBOX_B2B_TRANSACTIONS_DELAY and MBUS_DBOX_REGULATE_B2B_TRANSACTIONS_EN were being programmed with zeros while specification has different default values for this registers in display 12 and newer. While at it also converting all MBUS_DBOX macros to use REG_* macros. BSpec: 50343 BSpec: 20231 Cc: Ville Syrjälä Cc: Stanislav Lisovskiy Signed-off-by: José Roberto de Souza Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 13 +++++++--- drivers/gpu/drm/i915/i915_reg.h | 26 ++++++++++++-------- 2 files changed, 26 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 28bfb73ae6471..234f363aad651 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1829,13 +1829,20 @@ static void icl_pipe_mbus_enable(struct intel_crtc *crtc, bool joined_mbus) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; - u32 val; + u32 val = 0; + + if (DISPLAY_VER(dev_priv) >= 12) { + val |= MBUS_DBOX_B2B_TRANSACTIONS_MAX(16); + val |= MBUS_DBOX_B2B_TRANSACTIONS_DELAY(1); + val |= MBUS_DBOX_REGULATE_B2B_TRANSACTIONS_EN; + } /* Wa_22010947358:adl-p */ if (IS_ALDERLAKE_P(dev_priv)) - val = joined_mbus ? MBUS_DBOX_A_CREDIT(6) : MBUS_DBOX_A_CREDIT(4); + val |= joined_mbus ? MBUS_DBOX_A_CREDIT(6) : + MBUS_DBOX_A_CREDIT(4); else - val = MBUS_DBOX_A_CREDIT(2); + val |= MBUS_DBOX_A_CREDIT(2); if (DISPLAY_VER(dev_priv) >= 12) { val |= MBUS_DBOX_BW_CREDIT(2); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a0d652f19ff93..f47f9dfc9b0ce 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1103,16 +1103,22 @@ #define MBUS_ABOX_BT_CREDIT_POOL1_MASK (0x1F << 0) #define MBUS_ABOX_BT_CREDIT_POOL1(x) ((x) << 0) -#define _PIPEA_MBUS_DBOX_CTL 0x7003C -#define _PIPEB_MBUS_DBOX_CTL 0x7103C -#define PIPE_MBUS_DBOX_CTL(pipe) _MMIO_PIPE(pipe, _PIPEA_MBUS_DBOX_CTL, \ - _PIPEB_MBUS_DBOX_CTL) -#define MBUS_DBOX_BW_CREDIT_MASK (3 << 14) -#define MBUS_DBOX_BW_CREDIT(x) ((x) << 14) -#define MBUS_DBOX_B_CREDIT_MASK (0x1F << 8) -#define MBUS_DBOX_B_CREDIT(x) ((x) << 8) -#define MBUS_DBOX_A_CREDIT_MASK (0xF << 0) -#define MBUS_DBOX_A_CREDIT(x) ((x) << 0) +#define _PIPEA_MBUS_DBOX_CTL 0x7003C +#define _PIPEB_MBUS_DBOX_CTL 0x7103C +#define PIPE_MBUS_DBOX_CTL(pipe) _MMIO_PIPE(pipe, _PIPEA_MBUS_DBOX_CTL, \ + _PIPEB_MBUS_DBOX_CTL) +#define MBUS_DBOX_B2B_TRANSACTIONS_MAX_MASK REG_GENMASK(24, 20) +#define MBUS_DBOX_B2B_TRANSACTIONS_MAX(x) REG_FIELD_PREP(MBUS_DBOX_B2B_TRANSACTIONS_MAX_MASK, x) +#define MBUS_DBOX_B2B_TRANSACTIONS_DELAY_MASK REG_GENMASK(19, 17) +#define MBUS_DBOX_B2B_TRANSACTIONS_DELAY(x) REG_FIELD_PREP(MBUS_DBOX_B2B_TRANSACTIONS_DELAY_MASK, x) +#define MBUS_DBOX_B2B_TRANSACTIONS_DELAY_MASK REG_GENMASK(19, 17) +#define MBUS_DBOX_REGULATE_B2B_TRANSACTIONS_EN REG_BIT(16) +#define MBUS_DBOX_BW_CREDIT_MASK REG_GENMASK(15, 14) +#define MBUS_DBOX_BW_CREDIT(x) REG_FIELD_PREP(MBUS_DBOX_BW_CREDIT_MASK, x) +#define MBUS_DBOX_B_CREDIT_MASK REG_GENMASK(12, 8) +#define MBUS_DBOX_B_CREDIT(x) REG_FIELD_PREP(MBUS_DBOX_B_CREDIT_MASK, x) +#define MBUS_DBOX_A_CREDIT_MASK REG_GENMASK(3, 0) +#define MBUS_DBOX_A_CREDIT(x) REG_FIELD_PREP(MBUS_DBOX_A_CREDIT_MASK, x) #define MBUS_UBOX_CTL _MMIO(0x4503C) #define MBUS_BBOX_CTL_S1 _MMIO(0x45040) From patchwork Tue Mar 29 22:31:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12795293 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 5A930C43219 for ; Tue, 29 Mar 2022 22:29:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C31F010E2C1; Tue, 29 Mar 2022 22:29:54 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6FE5310E2C1 for ; Tue, 29 Mar 2022 22:29:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648592993; x=1680128993; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=n3AgMGZq4BLzdLuTM9nI3/Q5H/I7VNcQuoNDXaqYhYE=; b=knsqoluT0YW60jCAIKak6XvfTflhegw3NWmTR9uRH8wvGrIoIIYpE/nB QnBThBAagYdUNm9bI2ftWJB7K8N/kw8RnQ25YNluHuYI/JbJjkGcmD5kU UthmV5m0n16M/Xqp53qP1xeX8eWdF8x2aXzwuXQUpj2oRBd7FEGfQaJTF HpNUS3G/06bwP7RCaJFjVz40o5ig40I6AWYBzWbBuErQGgNpB0fWrJaJ4 1tiug3EkkEwfLGlzCp4cmLdl1SskbikbDV3TIJRaMfAU+XgTURlJ+hAn9 Hwg8D9amDKjrFouvWqRq0p5K+nGq/rW2S6iCHKtpbkt6sSXGVOSuNP4dK w==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="239319332" X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="239319332" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:53 -0700 X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="653332886" Received: from srmusala-desk.amr.corp.intel.com (HELO josouza-mobl2.amr.corp.intel.com) ([10.212.104.251]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:50 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Tue, 29 Mar 2022 15:31:00 -0700 Message-Id: <20220329223102.218689-2-jose.souza@intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220329223102.218689-1-jose.souza@intel.com> References: <20220329223102.218689-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 2/4] drm/i915/display/adlp: Adjust MBUS DBOX BW and B credits 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: Jani Nikula Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Caz Yokoyama Alderlake-P has different MBUS DBOX BW and B credits than other platforms, so here setting it properly. BSpec: 49213 BSpec: 50343 Cc: Matt Roper Cc: Stanislav Lisovskiy Cc: Jani Nikula Cc: Ville Syrjälä Signed-off-by: Caz Yokoyama Signed-off-by: José Roberto de Souza Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 234f363aad651..389a3c988dc6f 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1844,7 +1844,10 @@ static void icl_pipe_mbus_enable(struct intel_crtc *crtc, bool joined_mbus) else val |= MBUS_DBOX_A_CREDIT(2); - if (DISPLAY_VER(dev_priv) >= 12) { + if (IS_ALDERLAKE_P(dev_priv)) { + val |= MBUS_DBOX_BW_CREDIT(2); + val |= MBUS_DBOX_B_CREDIT(8); + } else if (DISPLAY_VER(dev_priv) >= 12) { val |= MBUS_DBOX_BW_CREDIT(2); val |= MBUS_DBOX_B_CREDIT(12); } else { From patchwork Tue Mar 29 22:31:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12795294 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 4F3B1C433F5 for ; Tue, 29 Mar 2022 22:29:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C4BDF10E6E9; Tue, 29 Mar 2022 22:29:58 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3930410E6E9 for ; Tue, 29 Mar 2022 22:29:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648592995; x=1680128995; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=SMeHUidRu+2ucMrliUu15Vqss/zVLS062oKyPnFDkXk=; b=jDNbV3z4JIg+vXNxPYWz4kugWfJvHI/EhPG6pMe3tBlUdb/MQK9vKks5 GP1rg2jMfGUDqisLtflweoYPJvx2XLQ5dzw8nI0mlRIsEpXw3LRd4ow9H D3EuPldozkSNgnGQcZk/Pe7C/m8mqTeyOv0gPE6ONMTFEvN0SljehlMin /NcpAwp1nxNk9aeorGlMisP+GwOXukSO765zzTQ2Vt4UxzG6YTNgkjJtT kKKZO7Cumeor1YSQMf1veD2wihZ0Nv4dK0kMtEgLfUdOwjpnIjy8sG/ot 9ovIlIGdYxzdoZ8UYjSbIXO/GNSfiKUV55yrvadH9Jx1TqYLc8rP20TUK A==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="239319337" X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="239319337" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:55 -0700 X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="653332913" Received: from srmusala-desk.amr.corp.intel.com (HELO josouza-mobl2.amr.corp.intel.com) ([10.212.104.251]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:53 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Tue, 29 Mar 2022 15:31:01 -0700 Message-Id: <20220329223102.218689-3-jose.souza@intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220329223102.218689-1-jose.souza@intel.com> References: <20220329223102.218689-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 3/4] drm/i915/display: Add HAS_MBUS_JOINING 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" This will make easy to extend MBUS joining support to future platforms that also supports this feature. Reviewed-by: Ville Syrjälä Signed-off-by: José Roberto de Souza --- drivers/gpu/drm/i915/i915_drv.h | 2 ++ drivers/gpu/drm/i915/intel_pm.c | 6 +++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 217c09422711b..d7f4a95006c0d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1387,6 +1387,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_PERCTX_PREEMPT_CTRL(i915) \ ((GRAPHICS_VER(i915) >= 9) && GRAPHICS_VER_FULL(i915) < IP_VER(12, 55)) +#define HAS_MBUS_JOINING(i915) (IS_ALDERLAKE_P(i915)) + static inline bool run_as_guest(void) { return !hypervisor_is_type(X86_HYPER_NATIVE); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 2c3cd4d775daf..e60c02d760ffa 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -6038,7 +6038,7 @@ skl_compute_ddb(struct intel_atomic_state *state) return ret; } - if (IS_ALDERLAKE_P(dev_priv)) + if (HAS_MBUS_JOINING(dev_priv)) new_dbuf_state->joined_mbus = adlp_check_mbus_joined(new_dbuf_state->active_pipes); @@ -6530,7 +6530,7 @@ void skl_wm_get_hw_state(struct drm_i915_private *dev_priv) to_intel_dbuf_state(dev_priv->dbuf.obj.state); struct intel_crtc *crtc; - if (IS_ALDERLAKE_P(dev_priv)) + if (HAS_MBUS_JOINING(dev_priv)) dbuf_state->joined_mbus = intel_de_read(dev_priv, MBUS_CTL) & MBUS_JOIN; for_each_intel_crtc(&dev_priv->drm, crtc) { @@ -8192,7 +8192,7 @@ static void update_mbus_pre_enable(struct intel_atomic_state *state) const struct intel_dbuf_state *dbuf_state = intel_atomic_get_new_dbuf_state(state); - if (!IS_ALDERLAKE_P(dev_priv)) + if (!HAS_MBUS_JOINING(dev_priv)) return; /* From patchwork Tue Mar 29 22:31:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Souza, Jose" X-Patchwork-Id: 12795295 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 431D7C433EF for ; Tue, 29 Mar 2022 22:30:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A210510E891; Tue, 29 Mar 2022 22:30:02 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 49D3710E6E9 for ; Tue, 29 Mar 2022 22:29:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648592997; x=1680128997; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=dP/trcgTV0LIkXb0qfkbDYTJdTCbRO7js7JHfiEAr4U=; b=EHYqiHW/fxCFNhSf9GG5O6GFtEadtGckle2vxkJYN2HI4i9s7rhQ68z2 dfTp9YZCSKr+1jVHTwPzgFYIBLOQT9WqUx1hkjaAEo6TpidjRorqrm28G xmz+LoV6UY57aOCp6prQdNcWYIuorUAwoPz+AfksVZ0mbJB/Oe2e5qhjr GU6OJ+1vWjmJx6L8w4+gQTAcmo07mxPpSeYGbStOf1NAv9dRFktHqnu1a fM05aPMLjonUGXkZow/ekVUCu/a2OkUgxmItiJlchdZqmVASR7+Dab6id Y0uZKxfbAxc3Z2DuiMNC//S+qGa6cPS7ywfgM0wyyROQPc6RAww25UAaH Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="239319343" X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="239319343" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:57 -0700 X-IronPort-AV: E=Sophos;i="5.90,220,1643702400"; d="scan'208";a="653332936" Received: from srmusala-desk.amr.corp.intel.com (HELO josouza-mobl2.amr.corp.intel.com) ([10.212.104.251]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Mar 2022 15:29:55 -0700 From: =?utf-8?q?Jos=C3=A9_Roberto_de_Souza?= To: intel-gfx@lists.freedesktop.org Date: Tue, 29 Mar 2022 15:31:02 -0700 Message-Id: <20220329223102.218689-4-jose.souza@intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220329223102.218689-1-jose.souza@intel.com> References: <20220329223102.218689-1-jose.souza@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 4/4] drm/i915/display/adlp: Fix programing of PIPE_MBUS_DBOX_CTL 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" PIPE_MBUS_DBOX_CTL was only being programmed when a pipe is being enabled but that could potentially cause issues as it could have mismatching values while pipes are being enabled. So here moving the PIPE_MBUS_DBOX_CTL programming of all pipes to be executed before the function that enables all pipes, leaving all pipes with a matching A_CREDIT value. While at it, also moving it to intel_pm.c as we are trying to reduce the gigantic size of intel_display.c and intel_pm.c have other MBUS programing sequences. v2: - do not program PIPE_MBUS_DBOX_CTL if pipe will not be active or when it do not needs modeset - remove the checks to wait a vblank v3: - checking if dbuf state is present in state before using it v4: - removing redundant checks - calling intel_atomic_get_new_dbuf_state instead of intel_atomic_get_dbuf_state BSpec: 49213 BSpec: 50343 Cc: Ville Syrjälä Cc: Stanislav Lisovskiy Signed-off-by: José Roberto de Souza Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display.c | 41 +-------------- drivers/gpu/drm/i915/intel_pm.c | 52 ++++++++++++++++++++ drivers/gpu/drm/i915/intel_pm.h | 1 + 3 files changed, 54 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 389a3c988dc6f..1bd869af15bf8 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1825,39 +1825,6 @@ static void glk_pipe_scaler_clock_gating_wa(struct drm_i915_private *dev_priv, intel_de_write(dev_priv, CLKGATE_DIS_PSL(pipe), val); } -static void icl_pipe_mbus_enable(struct intel_crtc *crtc, bool joined_mbus) -{ - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - enum pipe pipe = crtc->pipe; - u32 val = 0; - - if (DISPLAY_VER(dev_priv) >= 12) { - val |= MBUS_DBOX_B2B_TRANSACTIONS_MAX(16); - val |= MBUS_DBOX_B2B_TRANSACTIONS_DELAY(1); - val |= MBUS_DBOX_REGULATE_B2B_TRANSACTIONS_EN; - } - - /* Wa_22010947358:adl-p */ - if (IS_ALDERLAKE_P(dev_priv)) - val |= joined_mbus ? MBUS_DBOX_A_CREDIT(6) : - MBUS_DBOX_A_CREDIT(4); - else - val |= MBUS_DBOX_A_CREDIT(2); - - if (IS_ALDERLAKE_P(dev_priv)) { - val |= MBUS_DBOX_BW_CREDIT(2); - val |= MBUS_DBOX_B_CREDIT(8); - } else if (DISPLAY_VER(dev_priv) >= 12) { - val |= MBUS_DBOX_BW_CREDIT(2); - val |= MBUS_DBOX_B_CREDIT(12); - } else { - val |= MBUS_DBOX_BW_CREDIT(1); - val |= MBUS_DBOX_B_CREDIT(8); - } - - intel_de_write(dev_priv, PIPE_MBUS_DBOX_CTL(pipe), val); -} - static void hsw_set_linetime_wm(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); @@ -1994,13 +1961,6 @@ static void hsw_crtc_enable(struct intel_atomic_state *state, intel_initial_watermarks(state, crtc); - if (DISPLAY_VER(dev_priv) >= 11) { - const struct intel_dbuf_state *dbuf_state = - intel_atomic_get_new_dbuf_state(state); - - icl_pipe_mbus_enable(crtc, dbuf_state->joined_mbus); - } - if (intel_crtc_is_bigjoiner_slave(new_crtc_state)) intel_crtc_vblank_on(new_crtc_state); @@ -8612,6 +8572,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state) intel_encoders_update_prepare(state); intel_dbuf_pre_plane_update(state); + intel_mbus_dbox_update(state); for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { if (new_crtc_state->do_async_flip) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e60c02d760ffa..90ea5b87b52bb 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -8258,3 +8258,55 @@ void intel_dbuf_post_plane_update(struct intel_atomic_state *state) gen9_dbuf_slices_update(dev_priv, new_dbuf_state->enabled_slices); } + +void intel_mbus_dbox_update(struct intel_atomic_state *state) +{ + struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_dbuf_state *new_dbuf_state, *old_dbuf_state; + struct intel_crtc_state *new_crtc_state; + struct intel_crtc *crtc; + u32 val = 0; + int i; + + if (DISPLAY_VER(i915) < 11) + return; + + new_dbuf_state = intel_atomic_get_new_dbuf_state(state); + old_dbuf_state = intel_atomic_get_old_dbuf_state(state); + if (!new_dbuf_state || + (new_dbuf_state->joined_mbus == old_dbuf_state->joined_mbus && + new_dbuf_state->active_pipes == old_dbuf_state->active_pipes)) + return; + + if (DISPLAY_VER(i915) >= 12) { + val |= MBUS_DBOX_B2B_TRANSACTIONS_MAX(16); + val |= MBUS_DBOX_B2B_TRANSACTIONS_DELAY(1); + val |= MBUS_DBOX_REGULATE_B2B_TRANSACTIONS_EN; + } + + /* Wa_22010947358:adl-p */ + if (IS_ALDERLAKE_P(i915)) + val |= new_dbuf_state->joined_mbus ? MBUS_DBOX_A_CREDIT(6) : + MBUS_DBOX_A_CREDIT(4); + else + val |= MBUS_DBOX_A_CREDIT(2); + + if (IS_ALDERLAKE_P(i915)) { + val |= MBUS_DBOX_BW_CREDIT(2); + val |= MBUS_DBOX_B_CREDIT(8); + } else if (DISPLAY_VER(i915) >= 12) { + val |= MBUS_DBOX_BW_CREDIT(2); + val |= MBUS_DBOX_B_CREDIT(12); + } else { + val |= MBUS_DBOX_BW_CREDIT(1); + val |= MBUS_DBOX_B_CREDIT(8); + } + + for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) { + if (!new_crtc_state->hw.active || + !intel_crtc_needs_modeset(new_crtc_state)) + continue; + + intel_de_write(i915, PIPE_MBUS_DBOX_CTL(crtc->pipe), val); + } +} diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h index 51705151b842f..50604cf7398c4 100644 --- a/drivers/gpu/drm/i915/intel_pm.h +++ b/drivers/gpu/drm/i915/intel_pm.h @@ -94,5 +94,6 @@ intel_atomic_get_dbuf_state(struct intel_atomic_state *state); int intel_dbuf_init(struct drm_i915_private *dev_priv); void intel_dbuf_pre_plane_update(struct intel_atomic_state *state); void intel_dbuf_post_plane_update(struct intel_atomic_state *state); +void intel_mbus_dbox_update(struct intel_atomic_state *state); #endif /* __INTEL_PM_H__ */