From patchwork Fri Feb 16 14:20:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Golani, Mitulkumar Ajitkumar" X-Patchwork-Id: 13560104 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 C3F28C48BC4 for ; Fri, 16 Feb 2024 14:27:33 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 218DF10EB6B; Fri, 16 Feb 2024 14:27:33 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="XLQiRH8C"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 758A510EB63; Fri, 16 Feb 2024 14:27:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1708093652; x=1739629652; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wxR17ehsue9GKB4EIFuqpMTwfLVOUANpbIVGlt1fYUo=; b=XLQiRH8CoaVVLNNNcTh4LDCYYGep0+BxDRvYTYAQ5/Lu5n2k47GbnDpM uYeo4C9p75LNr9mP+e5xMveIazmZQGYAjunggIoz45lpJtD6wCd1ri5by NRkTRwkzM1L9Ihp7RxJpIe2imzR+Vd0OM6WTfl7kldov7diuLzHLoDOPD ubkqPpDkmY3GoxiSntbFDREO/jYsiVyH8DAMBni71dmb1rvq/YuOcurpw LntjMl8qRGABpE4v7571/3rN6D+w8h0xgUb+JupIHDaFTghrSgo2ng8vW G4PI0ZrqMYZL+I4L9B5sFk9TLEkyynwcdnvHDRYWXcT4UAu90ffFqGDRN w==; X-IronPort-AV: E=McAfee;i="6600,9927,10985"; a="2076827" X-IronPort-AV: E=Sophos;i="6.06,164,1705392000"; d="scan'208";a="2076827" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Feb 2024 06:27:31 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,164,1705392000"; d="scan'208";a="3818367" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by fmviesa010.fm.intel.com with ESMTP; 16 Feb 2024 06:27:29 -0800 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com, dri-devel@lists.freedesktop.org, Mitul Golani Subject: [PATCH 5/6] drm/i915/display: Compute vrr_vsync params Date: Fri, 16 Feb 2024 19:50:23 +0530 Message-Id: <20240216142024.1884258-6-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240216142024.1884258-1-mitulkumar.ajitkumar.golani@intel.com> References: <20240216142024.1884258-1-mitulkumar.ajitkumar.golani@intel.com> MIME-Version: 1.0 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" Compute vrr_vsync_start/end which sets the position for hardware to send the Vsync at a fixed position relative to the end of the Vblank. --v2: - Update, VSYNC_START/END macros to VRR_VSYNC_START/END.(Ankit) - Update bit fields of VRR_VSYNC_START/END.(Ankit) Signed-off-by: Mitul Golani --- drivers/gpu/drm/i915/display/intel_display_types.h | 1 + drivers/gpu/drm/i915/display/intel_vrr.c | 7 +++++++ drivers/gpu/drm/i915/i915_reg.h | 11 +++++++++++ 3 files changed, 19 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index a6991bc3f07b..015ed846b896 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1414,6 +1414,7 @@ struct intel_crtc_state { bool enable, in_range; u8 pipeline_full; u16 flipline, vmin, vmax, guardband; + u32 vsync_end, vsync_start; } vrr; /* Stream Splitter for eDP MSO */ diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 5d905f932cb4..2fa0004d00c7 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -149,6 +149,13 @@ intel_vrr_compute_config(struct intel_crtc_state *crtc_state, crtc_state->vrr.flipline = crtc_state->vrr.vmin + 1; + crtc_state->vrr.vsync_start = + (crtc_state->hw.adjusted_mode.crtc_vtotal - + VRR_VSYNC_START(crtc_state->hw.adjusted_mode.vsync_start)); + crtc_state->vrr.vsync_end = + (crtc_state->hw.adjusted_mode.crtc_vtotal - + (VRR_VSYNC_END(crtc_state->hw.adjusted_mode.vsync_end) >> 16)); + /* * For XE_LPD+, we use guardband and pipeline override * is deprecated. diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c02ea07af4c2..f73e95b18819 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1955,6 +1955,10 @@ #define VSYNC_END(vsync_end) REG_FIELD_PREP(VSYNC_END_MASK, (vsync_end)) #define VSYNC_START_MASK REG_GENMASK(15, 0) #define VSYNC_START(vsync_start) REG_FIELD_PREP(VSYNC_START_MASK, (vsync_start)) +#define VSYNC_END_MASK REG_GENMASK(31, 16) +#define VSYNC_END(vsync_end) REG_FIELD_PREP(VSYNC_END_MASK, (vsync_end)) +#define VSYNC_START_MASK REG_GENMASK(15, 0) +#define VSYNC_START(vsync_start) REG_FIELD_PREP(VSYNC_START_MASK, (vsync_start)) #define _TRANS_EXITLINE_A 0x60018 #define _PIPEASRC 0x6001c #define PIPESRC_WIDTH_MASK REG_GENMASK(31, 16) @@ -2007,7 +2011,9 @@ #define _TRANS_VRR_CTL_B 0x61420 #define _TRANS_VRR_CTL_C 0x62420 #define _TRANS_VRR_CTL_D 0x63420 +#define _TRANS_VRR_VSYNC_A 0x60078 #define TRANS_VRR_CTL(trans) _MMIO_TRANS2(trans, _TRANS_VRR_CTL_A) +#define TRANS_VRR_VSYNC(trans) _MMIO_TRANS2(trans, _TRANS_VRR_VSYNC_A) #define VRR_CTL_VRR_ENABLE REG_BIT(31) #define VRR_CTL_IGN_MAX_SHIFT REG_BIT(30) #define VRR_CTL_FLIP_LINE_EN REG_BIT(29) @@ -2087,6 +2093,11 @@ #define TRANS_VRR_STATUS2(trans) _MMIO_TRANS2(trans, _TRANS_VRR_STATUS2_A) #define VRR_STATUS2_VERT_LN_CNT_MASK REG_GENMASK(19, 0) +#define VRR_VSYNC_END_MASK REG_GENMASK(28, 16) +#define VRR_VSYNC_END(vsync_end) REG_FIELD_PREP(VSYNC_END_MASK, (vsync_end)) +#define VRR_VSYNC_START_MASK REG_GENMASK(12, 0) +#define VRR_VSYNC_START(vsync_start) REG_FIELD_PREP(VSYNC_START_MASK, (vsync_start)) + #define _TRANS_PUSH_A 0x60A70 #define _TRANS_PUSH_B 0x61A70 #define _TRANS_PUSH_C 0x62A70