From patchwork Mon Sep 30 16:35:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13816694 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 503A4CE8373 for ; Mon, 30 Sep 2024 16:34:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EBD3A10E55E; Mon, 30 Sep 2024 16:34:11 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="UJpeplpn"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id D795A10E557; Mon, 30 Sep 2024 16:34:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727714049; x=1759250049; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AZpHndGzg32BuKtyBNPNW2BzAqGFg79BL4oiKMoVenM=; b=UJpeplpnyqUilELlCuOHCmWWgvZNdyUkXBHDAkKBz9YJGGKcXI+wvYEf EFzEZrmiZ9+ybyJosyuW5SgiXIig9r0utlsE1iJXcBNBA7iNcA+nzBQw4 VhVn7E91VU3pEPJBxZmn/I7PHMxCVPBxz0p7b9obG0iriS8tJ/MXcxH/e nfP2LjYaImluLhGexpJuC4UNVA6x0/UQ0Vw1wJDdko8wmdQ+s9cQIk7l1 Ry/N9GPT8DRJjmLMSh274B1FJvWlqkFBqJeXIMrNsCES8StLfY8wvqBjk ipuRTbXXuDGXWMdus2h5il0lmfcwCHxzwldqy5rT4KOwjWNi6rZnf2g1w Q==; X-CSE-ConnectionGUID: e7mAW+OGRX61Hi3eCx5Jaw== X-CSE-MsgGUID: aWiggqzOSJaI6TkIMZPD8w== X-IronPort-AV: E=McAfee;i="6700,10204,11211"; a="30700542" X-IronPort-AV: E=Sophos;i="6.11,166,1725346800"; d="scan'208";a="30700542" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2024 09:34:08 -0700 X-CSE-ConnectionGUID: k0Xql/jIQBmBTPAYuvtMGQ== X-CSE-MsgGUID: u4fVLZ8iSKy9fAGWQ3iY8A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,166,1725346800"; d="scan'208";a="110839234" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2024 09:34:07 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, suraj.kandpal@intel.com, ville.syrjala@linux.intel.com Subject: [PATCH 09/13] drm/i915/dp: Modify compressed bpp limitations for ultrajoiner Date: Mon, 30 Sep 2024 22:05:45 +0530 Message-ID: <20240930163549.416410-10-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240930163549.416410-1-ankit.k.nautiyal@intel.com> References: <20240930163549.416410-1-ankit.k.nautiyal@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 compressed bpp limitations for ultrajoiner. v2: Fix the case for 1 pipe. (Ankit) v3: Refactor existing helper separately and add only ultrajoiner limitation. (Ville) v4: Separate out function for ultrajoiner_ram_bits. v5: Make the helper function more concise. (Ville) Signed-off-by: Ankit Nautiyal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_dp.c | 28 +++++++++++++++---------- 1 file changed, 17 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a85527a55dc0..d8a4a6fa1514 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -896,25 +896,31 @@ static u32 small_joiner_ram_max_bpp(struct intel_display *display, return max_bpp; } +static int ultrajoiner_ram_bits(void) +{ + return 4 * 72 * 512; +} + +static u32 ultrajoiner_ram_max_bpp(u32 mode_hdisplay) +{ + return ultrajoiner_ram_bits() / mode_hdisplay; +} + static u32 get_max_compressed_bpp_with_joiner(struct drm_i915_private *i915, u32 mode_clock, u32 mode_hdisplay, int num_joined_pipes) { struct intel_display *display = to_intel_display(&i915->drm); - u32 max_bpp_small_joiner_ram; + u32 max_bpp = small_joiner_ram_max_bpp(display, mode_hdisplay, num_joined_pipes); - max_bpp_small_joiner_ram = small_joiner_ram_max_bpp(display, mode_hdisplay, - num_joined_pipes); - - if (num_joined_pipes == 2) { - u32 max_bpp_bigjoiner = bigjoiner_bw_max_bpp(display, mode_clock, - num_joined_pipes); - - return min(max_bpp_small_joiner_ram, max_bpp_bigjoiner); - } + if (num_joined_pipes > 1) + max_bpp = min(max_bpp, bigjoiner_bw_max_bpp(display, mode_clock, + num_joined_pipes)); + if (num_joined_pipes == 4) + max_bpp = min(max_bpp, ultrajoiner_ram_max_bpp(mode_hdisplay)); - return max_bpp_small_joiner_ram; + return max_bpp; } u16 intel_dp_dsc_get_max_compressed_bpp(struct drm_i915_private *i915,