From patchwork Tue Jan 18 09:23:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 12716081 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 7B43CC433EF for ; Tue, 18 Jan 2022 09:24:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AD3371129EF; Tue, 18 Jan 2022 09:24:17 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id F12081129F1 for ; Tue, 18 Jan 2022 09:24:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1642497856; x=1674033856; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=YjVf2ee6vLtnmMI40hs8ZEX2rFGGYlSidWicnXe8y4w=; b=ndbNZK4/7NHsi5dNgkS0ikGQqbutcl5hcbLE7ishO5HJK8EJDgFFhlCt Jo6ZG52OCPz49kZZxK7GSkQMfuRseTAQrCshZpHOyvNJLH6T+Mw8pcBbV Y5LxqTYdwNx0wGcEEiZ1WS4dJ+BMHwGBVsldjZSLBcJncThC4zIS+QJ9g GmmubOLA+JQi6XxN9dGOSMyK4hYE9KfptARSs92jQxsUMy1O4/47EG4ll y0SJQSSCNHGgqKJsjtRTuVHGJarHU9e6rOaG6e/m1pv5Gr4p0/HhK+8mv ghVZ40MK0JwDHB/fQN+IzjBhaKwLyf6zpHaTAxWfcq979cEXHv5Arel46 A==; X-IronPort-AV: E=McAfee;i="6200,9189,10230"; a="305507321" X-IronPort-AV: E=Sophos;i="5.88,297,1635231600"; d="scan'208";a="305507321" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jan 2022 01:24:15 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,297,1635231600"; d="scan'208";a="530244695" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.147]) by fmsmga007.fm.intel.com with SMTP; 18 Jan 2022 01:24:13 -0800 Received: by stinkbox (sSMTP sendmail emulation); Tue, 18 Jan 2022 11:24:12 +0200 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Tue, 18 Jan 2022 11:23:45 +0200 Message-Id: <20220118092354.11631-7-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220118092354.11631-1-ville.syrjala@linux.intel.com> References: <20220118092354.11631-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 06/15] drm/i915: Extract skl_crtc_calc_dbuf_bw() 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: Ville Syrjälä Extract the dbuf slice data_rate calculation into a small helper. Should make it a bit easier to handle the different color planes of planar formats correctly. Signed-off-by: Ville Syrjälä Reviewed-by: Stanislav Lisovskiy --- drivers/gpu/drm/i915/display/intel_bw.c | 82 +++++++++++++------------ 1 file changed, 44 insertions(+), 38 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c index c35bad21b657..f0d6fad048c7 100644 --- a/drivers/gpu/drm/i915/display/intel_bw.c +++ b/drivers/gpu/drm/i915/display/intel_bw.c @@ -672,6 +672,49 @@ intel_atomic_get_bw_state(struct intel_atomic_state *state) return to_intel_bw_state(bw_state); } +static void skl_crtc_calc_dbuf_bw(struct intel_bw_state *bw_state, + const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct drm_i915_private *i915 = to_i915(crtc->base.dev); + struct intel_dbuf_bw *crtc_bw = &bw_state->dbuf_bw[crtc->pipe]; + enum plane_id plane_id; + + memset(&crtc_bw->used_bw, 0, sizeof(crtc_bw->used_bw)); + + if (!crtc_state->hw.active) + return; + + for_each_plane_id_on_crtc(crtc, plane_id) { + const struct skl_ddb_entry *ddb_y = + &crtc_state->wm.skl.plane_ddb_y[plane_id]; + const struct skl_ddb_entry *ddb_uv = + &crtc_state->wm.skl.plane_ddb_uv[plane_id]; + unsigned int data_rate = crtc_state->data_rate[plane_id]; + unsigned int dbuf_mask = 0; + enum dbuf_slice slice; + + dbuf_mask |= skl_ddb_dbuf_slice_mask(i915, ddb_y); + dbuf_mask |= skl_ddb_dbuf_slice_mask(i915, ddb_uv); + + /* + * FIXME: To calculate that more properly we probably + * need to split per plane data_rate into data_rate_y + * and data_rate_uv for multiplanar formats in order not + * to get accounted those twice if they happen to reside + * on different slices. + * However for pre-icl this would work anyway because + * we have only single slice and for icl+ uv plane has + * non-zero data rate. + * So in worst case those calculation are a bit + * pessimistic, which shouldn't pose any significant + * problem anyway. + */ + for_each_dbuf_slice_in_mask(i915, slice, dbuf_mask) + crtc_bw->used_bw[slice] += data_rate; + } +} + int skl_bw_calc_min_cdclk(struct intel_atomic_state *state) { struct drm_i915_private *dev_priv = to_i915(state->base.dev); @@ -684,50 +727,13 @@ int skl_bw_calc_min_cdclk(struct intel_atomic_state *state) int i; for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) { - enum plane_id plane_id; - struct intel_dbuf_bw *crtc_bw; - new_bw_state = intel_atomic_get_bw_state(state); if (IS_ERR(new_bw_state)) return PTR_ERR(new_bw_state); old_bw_state = intel_atomic_get_old_bw_state(state); - crtc_bw = &new_bw_state->dbuf_bw[crtc->pipe]; - - memset(&crtc_bw->used_bw, 0, sizeof(crtc_bw->used_bw)); - - if (!crtc_state->hw.active) - continue; - - for_each_plane_id_on_crtc(crtc, plane_id) { - const struct skl_ddb_entry *plane_alloc = - &crtc_state->wm.skl.plane_ddb_y[plane_id]; - const struct skl_ddb_entry *uv_plane_alloc = - &crtc_state->wm.skl.plane_ddb_uv[plane_id]; - unsigned int data_rate = crtc_state->data_rate[plane_id]; - unsigned int dbuf_mask = 0; - enum dbuf_slice slice; - - dbuf_mask |= skl_ddb_dbuf_slice_mask(dev_priv, plane_alloc); - dbuf_mask |= skl_ddb_dbuf_slice_mask(dev_priv, uv_plane_alloc); - - /* - * FIXME: To calculate that more properly we probably - * need to to split per plane data_rate into data_rate_y - * and data_rate_uv for multiplanar formats in order not - * to get accounted those twice if they happen to reside - * on different slices. - * However for pre-icl this would work anyway because - * we have only single slice and for icl+ uv plane has - * non-zero data rate. - * So in worst case those calculation are a bit - * pessimistic, which shouldn't pose any significant - * problem anyway. - */ - for_each_dbuf_slice_in_mask(dev_priv, slice, dbuf_mask) - crtc_bw->used_bw[slice] += data_rate; - } + skl_crtc_calc_dbuf_bw(new_bw_state, crtc_state); } if (!old_bw_state)