Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Received-SPF: TempError (protection.outlook.com: error in processing during
 lookup of arm.com: DNS Timeout)
From:   "james qian wang (Arm Technology China)" <james.qian.wang@arm.com>
To:     Liviu Dudau <Liviu.Dudau@arm.com>,
        "airlied@linux.ie" <airlied@linux.ie>,
        Brian Starkey <Brian.Starkey@arm.com>,
        "maarten.lankhorst@linux.intel.com" 
        <maarten.lankhorst@linux.intel.com>,
        "sean@poorly.run" <sean@poorly.run>,
        "imirkin@alum.mit.edu" <imirkin@alum.mit.edu>
CC:     "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@arm.com>,
        "Julien Yin (Arm Technology China)" <Julien.Yin@arm.com>,
        "Thomas Sun (Arm Technology China)" <thomas.Sun@arm.com>,
        "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>,
        Ayan Halder <Ayan.Halder@arm.com>,
        "Tiannan Zhu (Arm Technology China)" <Tiannan.Zhu@arm.com>,
        "Yiqi Kang (Arm Technology China)" <Yiqi.Kang@arm.com>,
        nd <nd@arm.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        Ben Davis <Ben.Davis@arm.com>,
        "Oscar Zhang (Arm Technology China)" <Oscar.Zhang@arm.com>,
        "Channing Chen (Arm Technology China)" <Channing.Chen@arm.com>,
        Mihail Atanassov <Mihail.Atanassov@arm.com>,
        "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>
Subject: [PATCH v4 4/4] drm/komeda: Adds gamma and color-transform support for
 DOU-IPS
Thread-Topic: [PATCH v4 4/4] drm/komeda: Adds gamma and color-transform
 support for DOU-IPS
Thread-Index: AQHVgv3OQ34D7f1MHkmhb7Kvw8BM2g==
Date:   Tue, 15 Oct 2019 02:11:08 +0000
Message-ID: <20191015021016.327-5-james.qian.wang@arm.com>
References: <20191015021016.327-1-james.qian.wang@arm.com>
In-Reply-To: <20191015021016.327-1-james.qian.wang@arm.com>
Accept-Language: en-US
Content-Language: en-US
Authentication-Results-Original: spf=none (sender IP is )
 smtp.mailfrom=james.qian.wang@arm.com; 
x-ms-exchange-messagesentrepresentingtype: 1
x-mailer: git-send-email 2.20.1
x-ms-publictraffictype: Email
X-MS-Office365-Filtering-Correlation-Id: 8a4a53ea-5834-421f-ebec-08d75114f849
X-MS-Office365-Filtering-HT: Tenant
X-MS-TrafficTypeDiagnostic: VE1PR08MB4799:|VE1PR08MB4799:|AM0PR08MB3012:
x-ms-exchange-transport-forked: True
X-Microsoft-Antispam-PRVS: <AM0PR08MB301263EA7DA40AE960BFA1A1B3930@AM0PR08MB3012.eurprd08.prod.outlook.com>
x-checkrecipientrouted: true
x-ms-oob-tlc-oobclassifiers: OLM:2958;OLM:2958;
x-forefront-prvs: 01917B1794
X-Forefront-Antispam-Report-Untrusted: SFV:NSPM;SFS:(10009020)(4636009)(136003)(39860400002)(366004)(346002)(376002)(396003)(189003)(199004)(66066001)(476003)(76176011)(110136005)(54906003)(66946007)(64756008)(66476007)(66446008)(71200400001)(66556008)(26005)(103116003)(2201001)(86362001)(6512007)(186003)(71190400001)(316002)(36756003)(6506007)(446003)(11346002)(386003)(2616005)(486006)(2906002)(256004)(52116002)(14444005)(55236004)(102836004)(2171002)(8936002)(14454004)(478600001)(6486002)(81156014)(81166006)(305945005)(50226002)(2501003)(4326008)(8676002)(7736002)(5660300002)(1076003)(6116002)(3846002)(25786009)(99286004)(6436002);DIR:OUT;SFP:1101;SCL:1;SRVR:VE1PR08MB4799;H:VE1PR08MB5006.eurprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1;
received-spf: None (protection.outlook.com: arm.com does not designate
 permitted sender hosts)
X-MS-Exchange-SenderADCheck: 1
X-Microsoft-Antispam-Untrusted: BCL:0;
X-Microsoft-Antispam-Message-Info-Original: keCgo9PdbWh8XH5/sjRCzsoLoqmmIpEBKyZfqKwzO52d98qzxPfGIX3LTEi/nlWAMfPq5x9dd4Pw+rC00Delayp6RzPPe7ky9iXeP561OLMwsrY5Tv88BY2SUcYT9dDeAyxnic+lmlv1vAEm9dTWXJHfd1ex7C4J8+YxQ9fSTH5Gbx3V8iS+lFXN0ZlqlyWWIEHPcPL2JJndgPy0eJ3iEV6NgcUlsyqthoPhWN/Ndttinl2tMY3JgtLmSOOBt08AwbwGmDP3ye7Q7uwe4z11xDUk1kA+WKIHv/hWq+wRJXCuzoHTUPbK+nMa2KbU95lmSXRe/CwVODc2SfAXT2jSyQ9+3WB7gf1oNlPc4X8khKygszJcZ483EOgtLs1aUX5VcEds/HVZtWsBA/ZV7OO2uJ3gaApsHB+SHUgfQpjJocw=
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR08MB4799
Original-Authentication-Results: spf=none (sender IP is )
 smtp.mailfrom=james.qian.wang@arm.com; 
X-EOPAttributedMessage: 0
X-MS-Exchange-Transport-CrossTenantHeadersStripped: DB5EUR03FT060.eop-EUR03.prod.protection.outlook.com
X-Forefront-Antispam-Report: CIP:63.35.35.123;IPV:CAL;SCL:-1;CTRY:IE;EFV:NLI;SFV:NSPM;SFS:(10009020)(4636009)(39860400002)(136003)(346002)(396003)(376002)(189003)(199004)(2501003)(76176011)(8936002)(4326008)(8746002)(6116002)(3846002)(22756006)(14444005)(99286004)(50226002)(26005)(386003)(6506007)(76130400001)(316002)(81166006)(81156014)(186003)(336012)(25786009)(2171002)(2906002)(70586007)(86362001)(14454004)(8676002)(2201001)(70206006)(54906003)(50466002)(5660300002)(110136005)(63350400001)(305945005)(476003)(26826003)(2616005)(446003)(486006)(126002)(11346002)(36756003)(7736002)(356004)(6512007)(102836004)(478600001)(66066001)(23756003)(1076003)(6486002)(103116003)(47776003);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR08MB3012;H:64aa7808-outbound-1.mta.getcheckrecipient.com;FPR:;SPF:TempError;LANG:en;PTR:ec2-63-35-35-123.eu-west-1.compute.amazonaws.com;MX:1;A:1;
X-MS-Office365-Filtering-Correlation-Id-Prvs: ad8006b6-c105-4f81-275b-08d75114f10f
NoDisclaimer: True
X-Forefront-PRVS: 01917B1794
X-Microsoft-Antispam: BCL:0;
X-Microsoft-Antispam-Message-Info: rMCNz7rp40vgMAGeDJXdEVTJn1QzY/VCJsiIHOIbZqGiEorf4fEvMFRS4P9Bv3+Qq/DdG4DAmx1kxjsnNzJpCrWPO+40NcsjFni6XK06tEDChavTJWdOfqsZmutFvT9T+GixxpO1t1v9Darf+Ehq7ycU9piXx/WiGXtZptYL9A3dAl22zz/tRu8ZQ8aO5WbeDCxhM2N/mr63kqWf4C6lUUYNoKBx9r37iUk+l7MZPthruZBzJ9xmknjT2JhVe4YrlJwQESon0siFEiy6NMUjwHE1tcLj2pbNFIzW6UkWK9JjcjD4SxUtdM8I6UyzMP3+nMWwErcSSrIn8VwSNmFc87ag5PPyJvHd9iIZWSvP/uV0Ebqv+10b9ArnAikbggT8gRYD/z27Vm5NapDhR4SVUlCLsAg9BDku+6BujKXEH3w=
X-OriginatorOrg: arm.com
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Oct 2019 02:11:20.2483
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 8a4a53ea-5834-421f-ebec-08d75114f849
X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3012
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

From: "Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>

Adds gamma and color-transform support for DOU-IPS.
Adds two caps members fgamma_coeffs and ctm_coeffs to komeda_improc_state.
If color management changed, set gamma and color-transform accordingly.

Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@arm.com>
---
 .../arm/display/komeda/d71/d71_component.c    | 24 +++++++++++++++++++
 .../gpu/drm/arm/display/komeda/komeda_crtc.c  |  2 ++
 .../drm/arm/display/komeda/komeda_pipeline.h  |  3 +++
 .../display/komeda/komeda_pipeline_state.c    |  6 +++++
 4 files changed, 35 insertions(+)

diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drive=
rs/gpu/drm/arm/display/komeda/d71/d71_component.c
index c3d29c0b051b..e7e5a8e4430e 100644
--- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
+++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c
@@ -942,15 +942,39 @@ static int d71_merger_init(struct d71_dev *d71,
 static void d71_improc_update(struct komeda_component *c,
 			      struct komeda_component_state *state)
 {
+	struct drm_crtc_state *crtc_st =3D state->crtc->state;
 	struct komeda_improc_state *st =3D to_improc_st(state);
+	struct d71_pipeline *pipe =3D to_d71_pipeline(c->pipeline);
 	u32 __iomem *reg =3D c->reg;
 	u32 index;
+	u32 mask =3D 0, ctrl =3D 0;
=20
 	for_each_changed_input(state, index)
 		malidp_write32(reg, BLK_INPUT_ID0 + index * 4,
 			       to_d71_input_id(state, index));
=20
 	malidp_write32(reg, BLK_SIZE, HV_SIZE(st->hsize, st->vsize));
+
+	if (crtc_st->color_mgmt_changed) {
+		mask |=3D IPS_CTRL_FT | IPS_CTRL_RGB;
+
+		if (crtc_st->gamma_lut) {
+			malidp_write_group(pipe->dou_ft_coeff_addr, FT_COEFF0,
+					   KOMEDA_N_GAMMA_COEFFS,
+					   st->fgamma_coeffs);
+			ctrl |=3D IPS_CTRL_FT; /* enable gamma */
+		}
+
+		if (crtc_st->ctm) {
+			malidp_write_group(reg, IPS_RGB_RGB_COEFF0,
+					   KOMEDA_N_CTM_COEFFS,
+					   st->ctm_coeffs);
+			ctrl |=3D IPS_CTRL_RGB; /* enable gamut */
+		}
+	}
+
+	if (mask)
+		malidp_write32_mask(reg, BLK_CONTROL, mask, ctrl);
 }
=20
 static void d71_improc_dump(struct komeda_component *c, struct seq_file *s=
f)
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu=
/drm/arm/display/komeda/komeda_crtc.c
index 9beeda04818b..406b9d0ca058 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
@@ -590,6 +590,8 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms,
=20
 	crtc->port =3D kcrtc->master->of_output_port;
=20
+	drm_crtc_enable_color_mgmt(crtc, 0, true, KOMEDA_COLOR_LUT_SIZE);
+
 	return err;
 }
=20
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers=
/gpu/drm/arm/display/komeda/komeda_pipeline.h
index b322f52ba8f2..c5ab8096c85d 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
@@ -11,6 +11,7 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include "malidp_utils.h"
+#include "komeda_color_mgmt.h"
=20
 #define KOMEDA_MAX_PIPELINES		2
 #define KOMEDA_PIPELINE_MAX_LAYERS	4
@@ -324,6 +325,8 @@ struct komeda_improc {
 struct komeda_improc_state {
 	struct komeda_component_state base;
 	u16 hsize, vsize;
+	u32 fgamma_coeffs[KOMEDA_N_GAMMA_COEFFS];
+	u32 ctm_coeffs[KOMEDA_N_CTM_COEFFS];
 };
=20
 /* display timing controller */
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c b/d=
rivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
index 0ba9c6aa3708..4a40b37eb1a6 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c
@@ -756,6 +756,12 @@ komeda_improc_validate(struct komeda_improc *improc,
 	st->hsize =3D dflow->in_w;
 	st->vsize =3D dflow->in_h;
=20
+	if (kcrtc_st->base.color_mgmt_changed) {
+		drm_lut_to_fgamma_coeffs(kcrtc_st->base.gamma_lut,
+					 st->fgamma_coeffs);
+		drm_ctm_to_coeffs(kcrtc_st->base.ctm, st->ctm_coeffs);
+	}
+
 	komeda_component_add_input(&st->base, &dflow->input, 0);
 	komeda_component_set_output(&dflow->input, &improc->base, 0);
=20
--=20
2.20.1