From patchwork Mon Jun 10 02:48:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mitul Golani X-Patchwork-Id: 13691444 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 7302AC27C55 for ; Mon, 10 Jun 2024 02:58:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F0D3D10E30B; Mon, 10 Jun 2024 02:58:55 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="BmbUdzXv"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id AB19610E307 for ; Mon, 10 Jun 2024 02:58:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717988324; x=1749524324; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nLcabX/d8mLMUbV7OsUTqNUo+gUG0CRY/sgGlF/gm2Y=; b=BmbUdzXvGEak1dVlR3UPMQ50HvQmqMIyEvGcjNlr09+bZYH77/n8YhYj Zyey/5+GeiIq4KZpP9KaU3I17FsJK0xgZphGCN14MPyFLWu76ai8SmgI6 SyCrW8d/+rtoXXqghvd/YLqzUe78sJ+rDK7XJ8Ywye8YvI5JFeiIJu+v4 CqgxkUpA+xGOG9zrCVbex6lzqhF8fSbzoeSU6OENTeiw9jZYmIjgCrUL3 T/IFL1kapDMtGsSpByX1ZkWiWCw+0wE40mUBlc7IXFWN/OIEUuM3bYrb3 LW0FcB/Umt7RQU/KuiKHqhflEQ9aYDovzB5rznT0Vl3H6ql5EzrNSD81x Q==; X-CSE-ConnectionGUID: 7GOFmsSrSS+zjf4bazTb2w== X-CSE-MsgGUID: kbKFuPCaToOlAr4q886mvQ== X-IronPort-AV: E=McAfee;i="6600,9927,11098"; a="14812990" X-IronPort-AV: E=Sophos;i="6.08,226,1712646000"; d="scan'208";a="14812990" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jun 2024 19:58:44 -0700 X-CSE-ConnectionGUID: WP9sLopoTwK8tzxNQNxKfQ== X-CSE-MsgGUID: qBwqOGOZSLCdbd4SUdmq0w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,226,1712646000"; d="scan'208";a="38842888" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by fmviesa006.fm.intel.com with ESMTP; 09 Jun 2024 19:58:43 -0700 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com Subject: [PATCH v15 3/9] drm/i915: Define and compute Transcoder CMRR registers Date: Mon, 10 Jun 2024 08:18:19 +0530 Message-Id: <20240610024825.823096-4-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240610024825.823096-1-mitulkumar.ajitkumar.golani@intel.com> References: <20240610024825.823096-1-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" Add register definitions for Transcoder Fixed Average Vtotal mode/CMRR function, with the necessary bitfields. Compute these registers when CMRR is enabled, extending Adaptive refresh rate capabilities. --v2: - Use intel_de_read64_2x32 in intel_vrr_get_config. [Jani] - Fix indent and order based on register offset. [Jani] --v3: - Removing RFC tag. --v4: - Update place holder for CMRR register definition. (Jani) --v5: - Add CMRR register definitions to a separate file intel_vrr_reg.h. --v6: - Fixed indentation. (Jani) - Add dependency header intel_display_reg_defs.h. (Jani) - Rename file name to intel_vrr_regs.h instead of reg.h (Jani) --v7: - Remove adding CMRR flag to vrr_ctl register during set_transcoder_timing, as it is already being done during intel_vrr_enable. (Ankit) Signed-off-by: Mitul Golani Reviewed-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_display.c | 23 ++++++++++++++++++- .../drm/i915/display/intel_display_types.h | 6 +++++ drivers/gpu/drm/i915/display/intel_vrr.c | 20 ++++++++++++++++ drivers/gpu/drm/i915/display/intel_vrr_regs.h | 14 +++++++++++ 4 files changed, 62 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index c608329dac42..33f5a3ef2e94 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1006,6 +1006,13 @@ static bool vrr_params_changed(const struct intel_crtc_state *old_crtc_state, old_crtc_state->vrr.pipeline_full != new_crtc_state->vrr.pipeline_full; } +static bool cmrr_params_changed(const struct intel_crtc_state *old_crtc_state, + const struct intel_crtc_state *new_crtc_state) +{ + return old_crtc_state->cmrr.cmrr_m != new_crtc_state->cmrr.cmrr_m || + old_crtc_state->cmrr.cmrr_n != new_crtc_state->cmrr.cmrr_n; +} + static bool vrr_enabling(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { @@ -5078,6 +5085,16 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, } \ } while (0) +#define PIPE_CONF_CHECK_LLI(name) do { \ + if (current_config->name != pipe_config->name) { \ + pipe_config_mismatch(&p, fastset, crtc, __stringify(name), \ + "(expected %lli, found %lli)", \ + current_config->name, \ + pipe_config->name); \ + ret = false; \ + } \ +} while (0) + #define PIPE_CONF_CHECK_BOOL(name) do { \ if (current_config->name != pipe_config->name) { \ BUILD_BUG_ON_MSG(!__same_type(current_config->name, bool), \ @@ -5456,10 +5473,13 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config, PIPE_CONF_CHECK_I(vrr.guardband); PIPE_CONF_CHECK_I(vrr.vsync_start); PIPE_CONF_CHECK_I(vrr.vsync_end); + PIPE_CONF_CHECK_LLI(cmrr.cmrr_m); + PIPE_CONF_CHECK_LLI(cmrr.cmrr_n); } #undef PIPE_CONF_CHECK_X #undef PIPE_CONF_CHECK_I +#undef PIPE_CONF_CHECK_LLI #undef PIPE_CONF_CHECK_BOOL #undef PIPE_CONF_CHECK_P #undef PIPE_CONF_CHECK_FLAGS @@ -6848,7 +6868,8 @@ static void intel_pre_update_crtc(struct intel_atomic_state *state, intel_crtc_needs_fastset(new_crtc_state)) icl_set_pipe_chicken(new_crtc_state); - if (vrr_params_changed(old_crtc_state, new_crtc_state)) + if (vrr_params_changed(old_crtc_state, new_crtc_state) || + cmrr_params_changed(old_crtc_state, new_crtc_state)) intel_vrr_set_transcoder_timings(new_crtc_state); } diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h index 83d6a3d901fd..098cabc15c7f 100644 --- a/drivers/gpu/drm/i915/display/intel_display_types.h +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -1402,6 +1402,12 @@ struct intel_crtc_state { u32 vsync_end, vsync_start; } vrr; + /* Content Match Refresh Rate state */ + struct { + bool enable; + u64 cmrr_n, cmrr_m; + } cmrr; + /* Stream Splitter for eDP MSO */ struct { bool enable; diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 871e6e6a184a..d2f854d9d18b 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -219,6 +219,17 @@ void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state) return; } + if (crtc_state->cmrr.enable) { + intel_de_write(dev_priv, TRANS_CMRR_M_HI(dev_priv, cpu_transcoder), + upper_32_bits(crtc_state->cmrr.cmrr_m)); + intel_de_write(dev_priv, TRANS_CMRR_M_LO(dev_priv, cpu_transcoder), + lower_32_bits(crtc_state->cmrr.cmrr_m)); + intel_de_write(dev_priv, TRANS_CMRR_N_HI(dev_priv, cpu_transcoder), + upper_32_bits(crtc_state->cmrr.cmrr_n)); + intel_de_write(dev_priv, TRANS_CMRR_N_LO(dev_priv, cpu_transcoder), + lower_32_bits(crtc_state->cmrr.cmrr_n)); + } + intel_de_write(dev_priv, TRANS_VRR_VMIN(dev_priv, cpu_transcoder), crtc_state->vrr.vmin - 1); intel_de_write(dev_priv, TRANS_VRR_VMAX(dev_priv, cpu_transcoder), @@ -307,6 +318,15 @@ void intel_vrr_get_config(struct intel_crtc_state *crtc_state) crtc_state->vrr.enable = trans_vrr_ctl & VRR_CTL_VRR_ENABLE; + if (crtc_state->cmrr.enable) { + crtc_state->cmrr.cmrr_n = + intel_de_read64_2x32(dev_priv, TRANS_CMRR_N_LO(dev_priv, cpu_transcoder), + TRANS_CMRR_N_HI(dev_priv, cpu_transcoder)); + crtc_state->cmrr.cmrr_m = + intel_de_read64_2x32(dev_priv, TRANS_CMRR_M_LO(dev_priv, cpu_transcoder), + TRANS_CMRR_M_HI(dev_priv, cpu_transcoder)); + } + if (DISPLAY_VER(dev_priv) >= 13) crtc_state->vrr.guardband = REG_FIELD_GET(XELPD_VRR_CTL_VRR_GUARDBAND_MASK, trans_vrr_ctl); diff --git a/drivers/gpu/drm/i915/display/intel_vrr_regs.h b/drivers/gpu/drm/i915/display/intel_vrr_regs.h index c3237d5c38df..20267ec12f5a 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr_regs.h +++ b/drivers/gpu/drm/i915/display/intel_vrr_regs.h @@ -108,4 +108,18 @@ #define VRR_VSYNC_START_MASK REG_GENMASK(12, 0) #define VRR_VSYNC_START(vsync_start) REG_FIELD_PREP(VRR_VSYNC_START_MASK, (vsync_start)) +/*CMRR Registers*/ + +#define _TRANS_CMRR_M_LO_A 0x604F0 +#define TRANS_CMRR_M_LO(dev_priv, trans) _MMIO_TRANS2(dev_priv, trans, _TRANS_CMRR_M_LO_A) + +#define _TRANS_CMRR_M_HI_A 0x604F4 +#define TRANS_CMRR_M_HI(dev_priv, trans) _MMIO_TRANS2(dev_priv, trans, _TRANS_CMRR_M_HI_A) + +#define _TRANS_CMRR_N_LO_A 0x604F8 +#define TRANS_CMRR_N_LO(dev_priv, trans) _MMIO_TRANS2(dev_priv, trans, _TRANS_CMRR_N_LO_A) + +#define _TRANS_CMRR_N_HI_A 0x604FC +#define TRANS_CMRR_N_HI(dev_priv, trans) _MMIO_TRANS2(dev_priv, trans, _TRANS_CMRR_N_HI_A) + #endif /* __INTEL_VRR_REGS__ */