From patchwork Thu Mar 11 22:36:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Roper X-Patchwork-Id: 12133071 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15976C43381 for ; Thu, 11 Mar 2021 22:37:15 +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 D45C664F88 for ; Thu, 11 Mar 2021 22:37:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D45C664F88 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=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 80A526EF2E; Thu, 11 Mar 2021 22:36:58 +0000 (UTC) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6B9266EE9A for ; Thu, 11 Mar 2021 22:36:50 +0000 (UTC) IronPort-SDR: r+HJLoLa5tpMfcdFbx/OI8IeBQ81+aWgLdlPzPOpUU3KTABnxkmA/UT2kcoVb+lfO4vU43QV7S 2yD42IcWT7/g== X-IronPort-AV: E=McAfee;i="6000,8403,9920"; a="175865723" X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="175865723" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 14:36:47 -0800 IronPort-SDR: gmuTKCLlttePCJG0c5gy8sZHsQLZsCE6WwVLrJ+wXCW6jF1XPjwkXFV993+qo5ALlHb8rrMBus LObGrbFRYiYw== X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="438852759" Received: from mdroper-desk1.fm.intel.com ([10.1.27.168]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 14:36:45 -0800 From: Matt Roper To: intel-gfx@lists.freedesktop.org Date: Thu, 11 Mar 2021 14:36:13 -0800 Message-Id: <20210311223632.3191939-38-matthew.d.roper@intel.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210311223632.3191939-1-matthew.d.roper@intel.com> References: <20210311223632.3191939-1-matthew.d.roper@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 37/56] drm/i915/adl_p: Add ddb allocation support 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: Vandita Kulkarni On adlp the two mbuses have two display pipes and two DBUFS, Pipe A and D on Mbus1 and Pipe B and C on Mbus2. The Mbus can be joined and all the DBUFS can be used on Pipe A or B. Bspec: 49255 Cc: Anusha Srivatsa Signed-off-by: Vandita Kulkarni Signed-off-by: Clinton Taylor Signed-off-by: Matt Roper --- .../drm/i915/display/intel_display_power.h | 2 + drivers/gpu/drm/i915/i915_reg.h | 22 +++- drivers/gpu/drm/i915/intel_pm.c | 121 +++++++++++++++++- 3 files changed, 140 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h index f20d22b09a65..4f0917df4375 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.h +++ b/drivers/gpu/drm/i915/display/intel_display_power.h @@ -389,6 +389,8 @@ intel_display_power_put_all_in_set(struct drm_i915_private *i915, enum dbuf_slice { DBUF_S1, DBUF_S2, + DBUF_S3, + DBUF_S4, I915_MAX_DBUF_SLICES }; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index ce8f1e892523..70b097ddae28 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -7288,7 +7288,7 @@ enum { #define _PLANE_BUF_CFG_1_B 0x7127c #define _PLANE_BUF_CFG_2_B 0x7137c -#define DDB_ENTRY_MASK 0x7FF /* skl+: 10 bits, icl+ 11 bits */ +#define DDB_ENTRY_MASK 0xFFF /* skl+: 10 bits, icl+ 11 bits, adlp+ 12 bits */ #define DDB_ENTRY_END_SHIFT 16 #define _PLANE_BUF_CFG_1(pipe) \ _PIPE(pipe, _PLANE_BUF_CFG_1_A, _PLANE_BUF_CFG_1_B) @@ -8115,9 +8115,23 @@ enum { #define DISP_DATA_PARTITION_5_6 (1 << 6) #define DISP_IPC_ENABLE (1 << 3) -#define _DBUF_CTL_S1 0x45008 -#define _DBUF_CTL_S2 0x44FE8 -#define DBUF_CTL_S(slice) _MMIO(_PICK_EVEN(slice, _DBUF_CTL_S1, _DBUF_CTL_S2)) +/* + * The below are numbered starting from "S1" on gen11/gen12, but starting + * with gen13 display, the bspec switches to a 0-based numbering scheme + * (although the addresses stay the same so new S0 = old S1, new S1 = old S2). + * We'll just use the 0-based numbering here for all platforms since it's the + * way things will be named by the hardware team going forward, plus it's more + * consistent with how most of the rest of our registers are named. + */ +#define _DBUF_CTL_S0 0x45008 +#define _DBUF_CTL_S1 0x44FE8 +#define _DBUF_CTL_S2 0x44300 +#define _DBUF_CTL_S3 0x44304 +#define DBUF_CTL_S(slice) _MMIO(_PICK(slice, \ + _DBUF_CTL_S0, \ + _DBUF_CTL_S1, \ + _DBUF_CTL_S2, \ + _DBUF_CTL_S3)) #define DBUF_POWER_REQUEST REG_BIT(31) #define DBUF_POWER_STATE REG_BIT(30) #define DBUF_TRACKER_STATE_SERVICE_MASK REG_GENMASK(23, 19) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0052630fd9dd..4f2b28c0b30b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4561,6 +4561,118 @@ static const struct dbuf_slice_conf_entry tgl_allowed_dbufs[] = {} }; +static const struct dbuf_slice_conf_entry adlp_allowed_dbufs[] = { + { + .active_pipes = BIT(PIPE_A), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_B), + .dbuf_mask = { + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_B), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + }, + }, + { + .active_pipes = BIT(PIPE_C), + .dbuf_mask = { + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_C), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + }, + }, + { + .active_pipes = BIT(PIPE_B) | BIT(PIPE_C), + .dbuf_mask = { + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + }, + }, + { + .active_pipes = BIT(PIPE_D), + .dbuf_mask = { + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_B) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_C) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_C) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + { + .active_pipes = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), + .dbuf_mask = { + [PIPE_A] = BIT(DBUF_S1) | BIT(DBUF_S2), + [PIPE_B] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_C] = BIT(DBUF_S3) | BIT(DBUF_S4), + [PIPE_D] = BIT(DBUF_S1) | BIT(DBUF_S2), + }, + }, + {} + +}; + static u8 compute_dbuf_slices(enum pipe pipe, u8 active_pipes, const struct dbuf_slice_conf_entry *dbuf_slices) { @@ -4600,12 +4712,19 @@ static u8 tgl_compute_dbuf_slices(enum pipe pipe, u8 active_pipes) return compute_dbuf_slices(pipe, active_pipes, tgl_allowed_dbufs); } +static u32 adlp_compute_dbuf_slices(enum pipe pipe, u32 active_pipes) +{ + return compute_dbuf_slices(pipe, active_pipes, adlp_allowed_dbufs); +} + static u8 skl_compute_dbuf_slices(struct intel_crtc *crtc, u8 active_pipes) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; - if (DISPLAY_VER(dev_priv) == 12) + if (IS_ALDERLAKE_P(dev_priv)) + return adlp_compute_dbuf_slices(pipe, active_pipes); + else if (DISPLAY_VER(dev_priv) == 12) return tgl_compute_dbuf_slices(pipe, active_pipes); else if (DISPLAY_VER(dev_priv) == 11) return icl_compute_dbuf_slices(pipe, active_pipes);