From patchwork Tue Oct 25 18:29:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Srivatsa, Anusha" X-Patchwork-Id: 13019693 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 61F09FA373E for ; Tue, 25 Oct 2022 18:29:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 216F810E1D4; Tue, 25 Oct 2022 18:29:48 +0000 (UTC) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9C3FC10E420 for ; Tue, 25 Oct 2022 18:29:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1666722570; x=1698258570; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=UqRifCumQ4kz51LuDNT6xlLqNa32mjJaTYmaucmqfew=; b=VFkIDGjkiSCar803E7EsIoIqZYKTLq9ArpKXoTw6VzJUghqNpJYh1qP1 gi7FUbsL7Y1GBU/2Tp/YDizRvDgVBqF8Qeu/HuU0TpAzsg0lbRPBOEt0B P4G5DqYpoyrVkiuhR3X9TkDaKYvgqiYGi3aB7mFlU0LhnwtuEhQDjfpnT C9UjFoGFrGsGzxOU4Mgo1CTkolqxMjrGmawMKQKBD34RHiycpz3+olv9x CZSWlmOB0Cg/9cSFg+uPdP98HA+X5MwfG08I+96wNZOon3C7XdrtczyfM 8VANX3TJzeNSrnfKSckNwajYoqgDCtWlUTxTOoDtj+a88av5MOPUZg4rM Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10511"; a="287477839" X-IronPort-AV: E=Sophos;i="5.95,212,1661842800"; d="scan'208";a="287477839" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2022 11:29:30 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10511"; a="774299146" X-IronPort-AV: E=Sophos;i="5.95,212,1661842800"; d="scan'208";a="774299146" Received: from anushasr-mobl7.jf.intel.com ([10.24.14.105]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2022 11:29:29 -0700 From: Anusha Srivatsa To: intel-gfx@lists.freedesktop.org Date: Tue, 25 Oct 2022 11:29:40 -0700 Message-Id: <20221025182942.123094-2-anusha.srivatsa@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221025182942.123094-1-anusha.srivatsa@intel.com> References: <20221025182942.123094-1-anusha.srivatsa@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/4] drm/i915/display: Introduce HAS_CDCLK_SQUASH macro 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" Driver had discrepancy in how cdclk squash and crawl support were checked. Like crawl, add squash as a 1 bit feature flag to the display section of DG2. Cc: Balasubramani Vivekanandan Cc: Ville Syrjälä Signed-off-by: Anusha Srivatsa Reviewed-by: Balasubramani Vivekanandan --- drivers/gpu/drm/i915/display/intel_cdclk.c | 15 +++++---------- drivers/gpu/drm/i915/i915_drv.h | 1 + drivers/gpu/drm/i915/i915_pci.c | 1 + drivers/gpu/drm/i915/intel_device_info.h | 1 + 4 files changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index 0f5add2fc51b..45babbc6290f 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -1220,11 +1220,6 @@ static void skl_cdclk_uninit_hw(struct drm_i915_private *dev_priv) skl_set_cdclk(dev_priv, &cdclk_config, INVALID_PIPE); } -static bool has_cdclk_squash(struct drm_i915_private *i915) -{ - return IS_DG2(i915); -} - struct intel_cdclk_vals { u32 cdclk; u16 refclk; @@ -1520,7 +1515,7 @@ static void bxt_get_cdclk(struct drm_i915_private *dev_priv, return; } - if (has_cdclk_squash(dev_priv)) + if (HAS_CDCLK_SQUASH(dev_priv)) squash_ctl = intel_de_read(dev_priv, CDCLK_SQUASH_CTL); if (squash_ctl & CDCLK_SQUASH_ENABLE) { @@ -1747,7 +1742,7 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv, else clock = cdclk; - if (has_cdclk_squash(dev_priv)) { + if (HAS_CDCLK_SQUASH(dev_priv)) { u32 squash_ctl = 0; if (waveform) @@ -1845,7 +1840,7 @@ static void bxt_sanitize_cdclk(struct drm_i915_private *dev_priv) expected = skl_cdclk_decimal(cdclk); /* Figure out what CD2X divider we should be using for this cdclk */ - if (has_cdclk_squash(dev_priv)) + if (HAS_CDCLK_SQUASH(dev_priv)) clock = dev_priv->display.cdclk.hw.vco / 2; else clock = dev_priv->display.cdclk.hw.cdclk; @@ -1976,7 +1971,7 @@ static bool intel_cdclk_can_squash(struct drm_i915_private *dev_priv, * the moment all platforms with squasher use a fixed cd2x * divider. */ - if (!has_cdclk_squash(dev_priv)) + if (!HAS_CDCLK_SQUASH(dev_priv)) return false; return a->cdclk != b->cdclk && @@ -2028,7 +2023,7 @@ static bool intel_cdclk_can_cd2x_update(struct drm_i915_private *dev_priv, * the moment all platforms with squasher use a fixed cd2x * divider. */ - if (has_cdclk_squash(dev_priv)) + if (HAS_CDCLK_SQUASH(dev_priv)) return false; return a->cdclk != b->cdclk && diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d7b8eb9d4117..db51050e3ba2 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -869,6 +869,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915, #define HAS_DOUBLE_BUFFERED_M_N(dev_priv) (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv)) #define HAS_CDCLK_CRAWL(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_crawl) +#define HAS_CDCLK_SQUASH(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_squash) #define HAS_DDI(dev_priv) (INTEL_INFO(dev_priv)->display.has_ddi) #define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg) #define HAS_PSR(dev_priv) (INTEL_INFO(dev_priv)->display.has_psr) diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 19bf5ef6a20d..a88e1439a426 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -1064,6 +1064,7 @@ static const struct intel_device_info xehpsdv_info = { .has_guc_deprivilege = 1, \ .has_heci_pxp = 1, \ .has_media_ratio_mode = 1, \ + .display.has_cdclk_squash = 1, \ .__runtime.platform_engine_mask = \ BIT(RCS0) | BIT(BCS0) | \ BIT(VECS0) | BIT(VECS1) | \ diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h index cdf78728dcad..67d8759c802c 100644 --- a/drivers/gpu/drm/i915/intel_device_info.h +++ b/drivers/gpu/drm/i915/intel_device_info.h @@ -180,6 +180,7 @@ enum intel_ppgtt_type { /* Keep in alphabetical order */ \ func(cursor_needs_physical); \ func(has_cdclk_crawl); \ + func(has_cdclk_squash); \ func(has_ddi); \ func(has_dp_mst); \ func(has_dsb); \