From mboxrd@z Thu Jan 1 00:00:00 1970 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 3784CC433EF for ; Wed, 1 Dec 2021 15:26:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A2A776ECE7; Wed, 1 Dec 2021 15:26:21 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2BBAD6ECE0 for ; Wed, 1 Dec 2021 15:26:20 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10184"; a="260456724" X-IronPort-AV: E=Sophos;i="5.87,278,1631602800"; d="scan'208";a="260456724" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2021 07:26:04 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,278,1631602800"; d="scan'208";a="512752502" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.171]) by orsmga008.jf.intel.com with SMTP; 01 Dec 2021 07:26:02 -0800 Received: by stinkbox (sSMTP sendmail emulation); Wed, 01 Dec 2021 17:26:01 +0200 From: Ville Syrjala To: intel-gfx@lists.freedesktop.org Date: Wed, 1 Dec 2021 17:25:41 +0200 Message-Id: <20211201152552.7821-4-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211201152552.7821-1-ville.syrjala@linux.intel.com> References: <20211201152552.7821-1-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Intel-gfx] [PATCH 03/14] drm/i915: Get rid of the "sizes are 0 based" stuff 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 Replace the "sizes are 0 based" stuff with just straight up -1 where needed. Less confusing all around. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_sprite.c | 26 ++++--------------- .../drm/i915/display/skl_universal_plane.c | 6 +---- 2 files changed, 6 insertions(+), 26 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c index 1b99a9501a45..2067a7bca4a8 100644 --- a/drivers/gpu/drm/i915/display/intel_sprite.c +++ b/drivers/gpu/drm/i915/display/intel_sprite.c @@ -431,10 +431,6 @@ vlv_sprite_update_noarm(struct intel_plane *plane, u32 crtc_h = drm_rect_height(&plane_state->uapi.dst); unsigned long irqflags; - /* Sizes are 0 based */ - crtc_w--; - crtc_h--; - spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); intel_de_write_fw(dev_priv, SPSTRIDE(pipe, plane_id), @@ -442,7 +438,7 @@ vlv_sprite_update_noarm(struct intel_plane *plane, intel_de_write_fw(dev_priv, SPPOS(pipe, plane_id), (crtc_y << 16) | crtc_x); intel_de_write_fw(dev_priv, SPSIZE(pipe, plane_id), - (crtc_h << 16) | crtc_w); + ((crtc_h - 1) << 16) | (crtc_w - 1)); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); } @@ -866,21 +862,15 @@ ivb_sprite_update_noarm(struct intel_plane *plane, u32 sprscale = 0; unsigned long irqflags; - /* Sizes are 0 based */ - src_w--; - src_h--; - crtc_w--; - crtc_h--; - if (crtc_w != src_w || crtc_h != src_h) - sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h; + sprscale = SPRITE_SCALE_ENABLE | ((src_w - 1) << 16) | (src_h - 1); spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); intel_de_write_fw(dev_priv, SPRSTRIDE(pipe), plane_state->view.color_plane[0].mapping_stride); intel_de_write_fw(dev_priv, SPRPOS(pipe), (crtc_y << 16) | crtc_x); - intel_de_write_fw(dev_priv, SPRSIZE(pipe), (crtc_h << 16) | crtc_w); + intel_de_write_fw(dev_priv, SPRSIZE(pipe), ((crtc_h - 1) << 16) | (crtc_w - 1)); if (IS_IVYBRIDGE(dev_priv)) intel_de_write_fw(dev_priv, SPRSCALE(pipe), sprscale); @@ -1208,21 +1198,15 @@ g4x_sprite_update_noarm(struct intel_plane *plane, u32 dvsscale = 0; unsigned long irqflags; - /* Sizes are 0 based */ - src_w--; - src_h--; - crtc_w--; - crtc_h--; - if (crtc_w != src_w || crtc_h != src_h) - dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h; + dvsscale = DVS_SCALE_ENABLE | ((src_w - 1) << 16) | (src_h - 1); spin_lock_irqsave(&dev_priv->uncore.lock, irqflags); intel_de_write_fw(dev_priv, DVSSTRIDE(pipe), plane_state->view.color_plane[0].mapping_stride); intel_de_write_fw(dev_priv, DVSPOS(pipe), (crtc_y << 16) | crtc_x); - intel_de_write_fw(dev_priv, DVSSIZE(pipe), (crtc_h << 16) | crtc_w); + intel_de_write_fw(dev_priv, DVSSIZE(pipe), ((crtc_h - 1) << 16) | (crtc_w - 1)); intel_de_write_fw(dev_priv, DVSSCALE(pipe), dvsscale); spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c index 9ff24a0e79b4..09948922016b 100644 --- a/drivers/gpu/drm/i915/display/skl_universal_plane.c +++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c @@ -1022,10 +1022,6 @@ skl_program_plane_noarm(struct intel_plane *plane, u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16; unsigned long irqflags; - /* Sizes are 0 based */ - src_w--; - src_h--; - /* The scaler will handle the output position */ if (plane_state->scaler_id >= 0) { crtc_x = 0; @@ -1045,7 +1041,7 @@ skl_program_plane_noarm(struct intel_plane *plane, intel_de_write_fw(dev_priv, PLANE_POS(pipe, plane_id), (crtc_y << 16) | crtc_x); intel_de_write_fw(dev_priv, PLANE_SIZE(pipe, plane_id), - (src_h << 16) | src_w); + ((src_h - 1) << 16) | (src_w - 1)); if (intel_fb_is_rc_ccs_cc_modifier(fb->modifier)) { intel_de_write_fw(dev_priv, PLANE_CC_VAL(pipe, plane_id, 0), -- 2.32.0