From patchwork Wed Jun 7 04:51:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Srinivas, Vidya" X-Patchwork-Id: 9770529 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E845460364 for ; Wed, 7 Jun 2017 04:44:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D5A0F28389 for ; Wed, 7 Jun 2017 04:44:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CAA9A28512; Wed, 7 Jun 2017 04:44:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 763D028389 for ; Wed, 7 Jun 2017 04:44:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EF5306E1C6; Wed, 7 Jun 2017 04:44:21 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 044266E1C6 for ; Wed, 7 Jun 2017 04:44:20 +0000 (UTC) Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP; 06 Jun 2017 21:44:19 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.39,309,1493708400"; d="scan'208";a="95424945" Received: from vsrini4-ubuntu-intel.iind.intel.com ([10.223.25.59]) by orsmga004.jf.intel.com with ESMTP; 06 Jun 2017 21:44:17 -0700 From: Vidya Srinivas To: intel-gfx@lists.freedesktop.org Date: Wed, 7 Jun 2017 10:21:18 +0530 Message-Id: <1496811086-28706-4-git-send-email-vidya.srinivas@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1496811086-28706-1-git-send-email-vidya.srinivas@intel.com> References: <1496811086-28706-1-git-send-email-vidya.srinivas@intel.com> MIME-Version: 1.0 Cc: stable@vger.kernel.org Subject: [Intel-gfx] [PATCH 03/11] drm/i915: Fix SKL+ watermarks for 90/270 rotation X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä skl_check_plane_surface() already rotates the clipped plane source coordinates to match the scanout direction because that's the way the GTT mapping is set up. Thus we no longer need to rotate the coordinates in the watermark code. For cursors we use the non-clipped coordinates which are not rotated appropriately, but that doesn't actually matter since cursors don't even support 90/270 degree rotation. Cc: stable@vger.kernel.org Cc: Tvrtko Ursulin Link: https://patchwork.freedesktop.org/patch/147691/ Fixes: b63a16f6cd89 ("drm/i915: Compute display surface offset in the plane check hook for SKL+") Signed-off-by: Ville Syrjä --- drivers/gpu/drm/i915/intel_pm.c | 36 ++++++++++++++++++++++++------------ 1 file changed, 24 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a093135..c9c3f3aca 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3855,20 +3855,26 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, /* n.b., src is 16.16 fixed point, dst is whole integer */ if (plane->id == PLANE_CURSOR) { + /* + * Cursors only support 0/180 degree rotation, + * hence no need to account for rotation here. + */ src_w = pstate->base.src_w >> 16; src_h = pstate->base.src_h >> 16; dst_w = pstate->base.crtc_w; dst_h = pstate->base.crtc_h; } else { + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ src_w = drm_rect_width(&pstate->base.src) >> 16; src_h = drm_rect_height(&pstate->base.src) >> 16; dst_w = drm_rect_width(&pstate->base.dst); dst_h = drm_rect_height(&pstate->base.dst); } - if (drm_rotation_90_or_270(pstate->base.rotation)) - swap(dst_w, dst_h); - fp_w_ratio = fixed_16_16_div(src_w, dst_w); fp_h_ratio = fixed_16_16_div(src_h, dst_h); downscale_w = max_fixed_16_16(fp_w_ratio, u32_to_fixed_16_16(1)); @@ -3901,12 +3907,14 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, if (y && format != DRM_FORMAT_NV12) return 0; + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ width = drm_rect_width(&intel_pstate->base.src) >> 16; height = drm_rect_height(&intel_pstate->base.src) >> 16; - if (drm_rotation_90_or_270(pstate->rotation)) - swap(width, height); - /* for planar format */ if (format == DRM_FORMAT_NV12) { if (y) /* y-plane data rate */ @@ -3991,12 +3999,14 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, fb->modifier != I915_FORMAT_MOD_Yf_TILED_CCS) return 8; + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ src_w = drm_rect_width(&intel_pstate->base.src) >> 16; src_h = drm_rect_height(&intel_pstate->base.src) >> 16; - if (drm_rotation_90_or_270(pstate->rotation)) - swap(src_w, src_h); - /* Halve UV plane width and height for NV12 */ if (fb->format->format == DRM_FORMAT_NV12 && !y) { src_w /= 2; @@ -4308,13 +4318,15 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, width = intel_pstate->base.crtc_w; height = intel_pstate->base.crtc_h; } else { + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ width = drm_rect_width(&intel_pstate->base.src) >> 16; height = drm_rect_height(&intel_pstate->base.src) >> 16; } - if (drm_rotation_90_or_270(pstate->rotation)) - swap(width, height); - cpp = fb->format->cpp[0]; plane_pixel_rate = skl_adjusted_plane_pixel_rate(cstate, intel_pstate);