From patchwork Mon Sep 2 12:53:55 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11126623 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3ADA714E5 for ; Mon, 2 Sep 2019 12:54:49 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 233292168B for ; Mon, 2 Sep 2019 12:54:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 233292168B Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 04BD28908C; Mon, 2 Sep 2019 12:54:47 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1A5538908D for ; Mon, 2 Sep 2019 12:54:46 +0000 (UTC) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id x82CshrO000549; Mon, 2 Sep 2019 07:54:43 -0500 Received: from DLEE102.ent.ti.com (dlee102.ent.ti.com [157.170.170.32]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x82CshXZ001701 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 2 Sep 2019 07:54:43 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Mon, 2 Sep 2019 07:54:41 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Mon, 2 Sep 2019 07:54:41 -0500 Received: from deskari.lan (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id x82CsYYL126767; Mon, 2 Sep 2019 07:54:40 -0500 From: Tomi Valkeinen To: , Laurent Pinchart Subject: [PATCH 3/7] drm/omap: fix missing scaler pixel fmt limitations Date: Mon, 2 Sep 2019 15:53:55 +0300 Message-ID: <20190902125359.18001-4-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190902125359.18001-1-tomi.valkeinen@ti.com> References: <20190902125359.18001-1-tomi.valkeinen@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1567428883; bh=AzxSS9nPZwzYof0mFnvqjRk72/ftg4muPCMpIdYAE3Q=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=R7Rz062l6kk984Hm8vWeG/IgsXceRLSDPMGgKElz/ebShOK8GFnPDWb5d6k3IsZsz nCEjKSbiJdZpgr4xWkxEttYinQR72ot51TdC61f5dovrpurDflmPV2+yDc4nQybMlb Zp06aaI7yJ4GCeJ4glZMRsP9OfYXa0gTYGASqSMk= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tomi Valkeinen , Jyri Sarha Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" OMAP2 and OMAP3/AM4 have limitations with the scaler: - OMAP2 can only scale XRGB8888 - OMAP3/AM4 can only scale XRGB8888, RGB565, YUYV and UYVY The driver doesn't check these limitations, which leads to sync-lost floods. This patch adds a check for the pixel formats when scaling. Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/omapdrm/dss/dispc.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c index c6da33e7014f..7d87d60edb80 100644 --- a/drivers/gpu/drm/omapdrm/dss/dispc.c +++ b/drivers/gpu/drm/omapdrm/dss/dispc.c @@ -114,6 +114,7 @@ struct dispc_features { const unsigned int num_reg_fields; const enum omap_overlay_caps *overlay_caps; const u32 **supported_color_modes; + const u32 *supported_scaler_color_modes; unsigned int num_mgrs; unsigned int num_ovls; unsigned int buffer_size_unit; @@ -2498,6 +2499,19 @@ static int dispc_ovl_calc_scaling(struct dispc_device *dispc, if (width == out_width && height == out_height) return 0; + if (dispc->feat->supported_scaler_color_modes) { + const u32 *modes = dispc->feat->supported_scaler_color_modes; + int i; + + for (i = 0; modes[i]; ++i) { + if (modes[i] == fourcc) + break; + } + + if (modes[i] == 0) + return -EINVAL; + } + if (plane == OMAP_DSS_WB) { switch (fourcc) { case DRM_FORMAT_NV12: @@ -4213,6 +4227,12 @@ static const u32 *omap4_dispc_supported_color_modes[] = { DRM_FORMAT_RGBX8888), }; +static const u32 omap3_dispc_supported_scaler_color_modes[] = { + DRM_FORMAT_XRGB8888, DRM_FORMAT_RGB565, DRM_FORMAT_YUYV, + DRM_FORMAT_UYVY, + 0, +}; + static const struct dispc_features omap24xx_dispc_feats = { .sw_start = 5, .fp_start = 15, @@ -4241,6 +4261,7 @@ static const struct dispc_features omap24xx_dispc_feats = { .num_reg_fields = ARRAY_SIZE(omap2_dispc_reg_fields), .overlay_caps = omap2_dispc_overlay_caps, .supported_color_modes = omap2_dispc_supported_color_modes, + .supported_scaler_color_modes = COLOR_ARRAY(DRM_FORMAT_XRGB8888), .num_mgrs = 2, .num_ovls = 3, .buffer_size_unit = 1, @@ -4275,6 +4296,7 @@ static const struct dispc_features omap34xx_rev1_0_dispc_feats = { .num_reg_fields = ARRAY_SIZE(omap3_dispc_reg_fields), .overlay_caps = omap3430_dispc_overlay_caps, .supported_color_modes = omap3_dispc_supported_color_modes, + .supported_scaler_color_modes = omap3_dispc_supported_scaler_color_modes, .num_mgrs = 2, .num_ovls = 3, .buffer_size_unit = 1, @@ -4309,6 +4331,7 @@ static const struct dispc_features omap34xx_rev3_0_dispc_feats = { .num_reg_fields = ARRAY_SIZE(omap3_dispc_reg_fields), .overlay_caps = omap3430_dispc_overlay_caps, .supported_color_modes = omap3_dispc_supported_color_modes, + .supported_scaler_color_modes = omap3_dispc_supported_scaler_color_modes, .num_mgrs = 2, .num_ovls = 3, .buffer_size_unit = 1, @@ -4343,6 +4366,7 @@ static const struct dispc_features omap36xx_dispc_feats = { .num_reg_fields = ARRAY_SIZE(omap3_dispc_reg_fields), .overlay_caps = omap3630_dispc_overlay_caps, .supported_color_modes = omap3_dispc_supported_color_modes, + .supported_scaler_color_modes = omap3_dispc_supported_scaler_color_modes, .num_mgrs = 2, .num_ovls = 3, .buffer_size_unit = 1, @@ -4377,6 +4401,7 @@ static const struct dispc_features am43xx_dispc_feats = { .num_reg_fields = ARRAY_SIZE(omap3_dispc_reg_fields), .overlay_caps = omap3430_dispc_overlay_caps, .supported_color_modes = omap3_dispc_supported_color_modes, + .supported_scaler_color_modes = omap3_dispc_supported_scaler_color_modes, .num_mgrs = 1, .num_ovls = 3, .buffer_size_unit = 1,