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Mon, 19 Aug 2024 15:57:19 -0500 From: Harry Wentland To: , CC: , Harry Wentland Subject: [PATCH v5 02/44] drm/vkms: Round fixp2int conversion in lerp_u16 Date: Mon, 19 Aug 2024 16:56:29 -0400 Message-ID: <20240819205714.316380-3-harry.wentland@amd.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240819205714.316380-1-harry.wentland@amd.com> References: <20240819205714.316380-1-harry.wentland@amd.com> MIME-Version: 1.0 Received-SPF: None (SATLEXMB03.amd.com: harry.wentland@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECD9:EE_|IA0PR12MB7773:EE_ X-MS-Office365-Filtering-Correlation-Id: e39e04af-e284-4aaa-2c2c-08dcc09184bc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|376014|36860700013|1800799024; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB03.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(82310400026)(376014)(36860700013)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Aug 2024 20:57:20.8858 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e39e04af-e284-4aaa-2c2c-08dcc09184bc X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000ECD9.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB7773 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" fixp2int always rounds down, fixp2int_ceil rounds up. We need the new fixp2int_round. Signed-off-by: Harry Wentland Reviewed-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_composer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c index e7441b227b3c..3d6785d081f2 100644 --- a/drivers/gpu/drm/vkms/vkms_composer.c +++ b/drivers/gpu/drm/vkms/vkms_composer.c @@ -98,7 +98,7 @@ static u16 lerp_u16(u16 a, u16 b, s64 t) s64 delta = drm_fixp_mul(b_fp - a_fp, t); - return drm_fixp2int(a_fp + delta); + return drm_fixp2int_round(a_fp + delta); } static s64 get_lut_index(const struct vkms_color_lut *lut, u16 channel_value)