From patchwork Mon Oct 28 19:30:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Clint Taylor X-Patchwork-Id: 13853959 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 C4BBFD3E2BD for ; Mon, 28 Oct 2024 19:30:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 34A1910E540; Mon, 28 Oct 2024 19:30:26 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LBvLw/e+"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id B9DCD10E538; 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28 Oct 2024 12:30:20 -0700 X-CSE-ConnectionGUID: G0Ge4TlfRh2whGkkCxProw== X-CSE-MsgGUID: YZR82/hpRr+89qlJbXyNbQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,239,1725346800"; d="scan'208";a="81777542" Received: from cataylo2-desk.jf.intel.com ([10.165.21.140]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2024 12:30:19 -0700 From: Clint Taylor To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Subject: [PATCH v6 2/9] drm/i915/xe3lpd: Add check to see if edp over type c is allowed Date: Mon, 28 Oct 2024 12:30:08 -0700 Message-Id: <20241028193015.3241858-3-clinton.a.taylor@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241028193015.3241858-1-clinton.a.taylor@intel.com> References: <20241028193015.3241858-1-clinton.a.taylor@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" From: Suraj Kandpal Read PICA register to see if edp over type C is possible and then add the appropriate tables for it. --v2 -remove bool from intel_encoder have it in runtime_info [Jani] -initialize the bool in runtime_info init [Jani] -dont abbreviate the bool [Jani] --v3 -Remove useless display version check [Jani] -change the warn on condition [Jani] -no need for a different function for edp type c check [Jani] -dont add register in i915_reg [Jani] Bspec: 68846 Signed-off-by: Suraj Kandpal Signed-off-by: Matt Atwood Signed-off-by: Clint Taylor Reviewed-by: Arun R Murthy Acked-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_cx0_phy.c | 3 +++ drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h | 3 +++ drivers/gpu/drm/i915/display/intel_display_device.c | 5 +++++ drivers/gpu/drm/i915/display/intel_display_device.h | 1 + drivers/gpu/drm/i915/display/intel_dp.c | 7 ++++--- 5 files changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c index 8bd5a4d1b735..d05daa7a2b03 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c @@ -2257,9 +2257,12 @@ intel_c20_pll_tables_get(struct intel_crtc_state *crtc_state, struct intel_encoder *encoder) { struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(crtc_state); if (intel_crtc_has_dp_encoder(crtc_state)) { if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) { + if (DISPLAY_RUNTIME_INFO(display)->edp_typec_support) + return xe3lpd_c20_dp_edp_tables; if (DISPLAY_VER_FULL(i915) == IP_VER(14, 1)) return xe2hpd_c20_edp_tables; } diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h index ab3ae110b68f..e8ebb12155a4 100644 --- a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h +++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h @@ -363,4 +363,7 @@ #define HDMI_DIV_MASK REG_GENMASK16(2, 0) #define HDMI_DIV(val) REG_FIELD_PREP16(HDMI_DIV_MASK, val) +#define PICA_PHY_CONFIG_CONTROL _MMIO(0x16FE68) +#define EDP_ON_TYPEC REG_BIT(31) + #endif /* __INTEL_CX0_REG_DEFS_H__ */ diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index aa22189e3853..949838308ec9 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -9,6 +9,7 @@ #include "i915_drv.h" #include "i915_reg.h" +#include "intel_cx0_phy_regs.h" #include "intel_de.h" #include "intel_display.h" #include "intel_display_device.h" @@ -1685,6 +1686,10 @@ static void __intel_display_device_info_runtime_init(struct drm_i915_private *i9 } } + if (DISPLAY_VER(i915) >= 30) + display_runtime->edp_typec_support = + intel_de_read(display, PICA_PHY_CONFIG_CONTROL) & EDP_ON_TYPEC; + display_runtime->rawclk_freq = intel_read_rawclk(display); drm_dbg_kms(&i915->drm, "rawclk rate: %d kHz\n", display_runtime->rawclk_freq); diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h index 071a36b51f79..410f8b33a8a1 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.h +++ b/drivers/gpu/drm/i915/display/intel_display_device.h @@ -232,6 +232,7 @@ struct intel_display_runtime_info { bool has_hdcp; bool has_dmc; bool has_dsc; + bool edp_typec_support; }; struct intel_display_device_info { diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 7e29619ba040..9f015b530289 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -6441,10 +6441,11 @@ intel_dp_init_connector(struct intel_digital_port *dig_port, if (_intel_dp_is_port_edp(dev_priv, intel_encoder->devdata, port)) { /* - * Currently we don't support eDP on TypeC ports, although in - * theory it could work on TypeC legacy ports. + * Currently we don't support eDP on TypeC ports for DISPLAY_VER < 30, + * although in theory it could work on TypeC legacy ports. */ - drm_WARN_ON(dev, intel_encoder_is_tc(intel_encoder)); + drm_WARN_ON(dev, intel_encoder_is_tc(intel_encoder) && + DISPLAY_VER(dev_priv) < 30); type = DRM_MODE_CONNECTOR_eDP; intel_encoder->type = INTEL_OUTPUT_EDP;