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From: Manikandan Muralidharan <manikandan.m@microchip.com>
To: <sam@ravnborg.org>, <bbrezillon@kernel.org>,
	<maarten.lankhorst@linux.intel.com>, <mripard@kernel.org>,
	<tzimmermann@suse.de>, <airlied@gmail.com>, <daniel@ffwll.ch>,
	<nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
	<claudiu.beznea@tuxon.dev>, <lee@kernel.org>,
	<dri-devel@lists.freedesktop.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: <Hari.PrasathGE@microchip.com>,
	<Balamanikandan.Gunasundar@microchip.com>,
	<Durai.ManickamKR@microchip.com>,
	<Nayabbasha.Sayed@microchip.com>, <Dharma.B@microchip.com>,
	<Varshini.Rajendran@microchip.com>,
	<Balakrishnan.S@microchip.com>, <manikandan.m@microchip.com>,
	<Charan.Pedumuru@microchip.com>
Subject: [PATCH v8 5/7] drm: atmel-hlcdc: add vertical and horizontal scaling support for XLCDC
Date: Wed, 21 Feb 2024 11:05:29 +0530	[thread overview]
Message-ID: <20240221053531.12701-6-manikandan.m@microchip.com> (raw)
In-Reply-To: <20240221053531.12701-1-manikandan.m@microchip.com>

Update the vertical and horizontal scaler registers of XLCDC IP
with Bilinear and Bicubic co-efficients taps for Chroma and
Luma componenets of the Pixel.

Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h  |  4 ++++
 .../gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c   | 20 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
index 777987b7873d..fd9d9af4332c 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
@@ -198,6 +198,8 @@
  * @disc_pos: discard area position register
  * @disc_size: discard area size register
  * @csc: color space conversion register
+ * @vxs_config: vertical scalar filter taps control register
+ * @hxs_config: horizontal scalar filter taps control register
  */
 struct atmel_hlcdc_layer_cfg_layout {
 	int xstride[ATMEL_HLCDC_LAYER_MAX_PLANES];
@@ -217,6 +219,8 @@ struct atmel_hlcdc_layer_cfg_layout {
 	int disc_pos;
 	int disc_size;
 	int csc;
+	int vxs_config;
+	int hxs_config;
 };
 
 /**
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 59ddd743ce92..a527badf865d 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -966,6 +966,26 @@ static void xlcdc_csc_init(struct atmel_hlcdc_plane *plane,
 					    desc->layout.csc + i,
 					    xlcdc_csc_coeffs[i]);
 	}
+
+	if (desc->layout.vxs_config && desc->layout.hxs_config) {
+		/*
+		 * Updating vxs.config and hxs.config fixes the
+		 * Green Color Issue in SAM9X7 EGT Video Player App
+		 */
+		atmel_hlcdc_layer_write_cfg(&plane->layer,
+					    desc->layout.vxs_config,
+					    ATMEL_XLCDC_LAYER_VXSYCFG_ONE |
+					    ATMEL_XLCDC_LAYER_VXSYTAP2_ENABLE |
+					    ATMEL_XLCDC_LAYER_VXSCCFG_ONE |
+					    ATMEL_XLCDC_LAYER_VXSCTAP2_ENABLE);
+
+		atmel_hlcdc_layer_write_cfg(&plane->layer,
+					    desc->layout.hxs_config,
+					    ATMEL_XLCDC_LAYER_HXSYCFG_ONE |
+					    ATMEL_XLCDC_LAYER_HXSYTAP2_ENABLE |
+					    ATMEL_XLCDC_LAYER_HXSCCFG_ONE |
+					    ATMEL_XLCDC_LAYER_HXSCTAP2_ENABLE);
+	}
 }
 
 static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane)
-- 
2.25.1


WARNING: multiple messages have this Message-ID (diff)
From: Manikandan Muralidharan <manikandan.m@microchip.com>
To: <sam@ravnborg.org>, <bbrezillon@kernel.org>,
	<maarten.lankhorst@linux.intel.com>, <mripard@kernel.org>,
	<tzimmermann@suse.de>, <airlied@gmail.com>, <daniel@ffwll.ch>,
	<nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>,
	<claudiu.beznea@tuxon.dev>, <lee@kernel.org>,
	<dri-devel@lists.freedesktop.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>
Cc: <Hari.PrasathGE@microchip.com>,
	<Balamanikandan.Gunasundar@microchip.com>,
	<Durai.ManickamKR@microchip.com>,
	<Nayabbasha.Sayed@microchip.com>, <Dharma.B@microchip.com>,
	<Varshini.Rajendran@microchip.com>,
	<Balakrishnan.S@microchip.com>, <manikandan.m@microchip.com>,
	<Charan.Pedumuru@microchip.com>
Subject: [PATCH v8 5/7] drm: atmel-hlcdc: add vertical and horizontal scaling support for XLCDC
Date: Wed, 21 Feb 2024 11:05:29 +0530	[thread overview]
Message-ID: <20240221053531.12701-6-manikandan.m@microchip.com> (raw)
In-Reply-To: <20240221053531.12701-1-manikandan.m@microchip.com>

Update the vertical and horizontal scaler registers of XLCDC IP
with Bilinear and Bicubic co-efficients taps for Chroma and
Luma componenets of the Pixel.

Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h  |  4 ++++
 .../gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c   | 20 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
index 777987b7873d..fd9d9af4332c 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
@@ -198,6 +198,8 @@
  * @disc_pos: discard area position register
  * @disc_size: discard area size register
  * @csc: color space conversion register
+ * @vxs_config: vertical scalar filter taps control register
+ * @hxs_config: horizontal scalar filter taps control register
  */
 struct atmel_hlcdc_layer_cfg_layout {
 	int xstride[ATMEL_HLCDC_LAYER_MAX_PLANES];
@@ -217,6 +219,8 @@ struct atmel_hlcdc_layer_cfg_layout {
 	int disc_pos;
 	int disc_size;
 	int csc;
+	int vxs_config;
+	int hxs_config;
 };
 
 /**
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 59ddd743ce92..a527badf865d 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -966,6 +966,26 @@ static void xlcdc_csc_init(struct atmel_hlcdc_plane *plane,
 					    desc->layout.csc + i,
 					    xlcdc_csc_coeffs[i]);
 	}
+
+	if (desc->layout.vxs_config && desc->layout.hxs_config) {
+		/*
+		 * Updating vxs.config and hxs.config fixes the
+		 * Green Color Issue in SAM9X7 EGT Video Player App
+		 */
+		atmel_hlcdc_layer_write_cfg(&plane->layer,
+					    desc->layout.vxs_config,
+					    ATMEL_XLCDC_LAYER_VXSYCFG_ONE |
+					    ATMEL_XLCDC_LAYER_VXSYTAP2_ENABLE |
+					    ATMEL_XLCDC_LAYER_VXSCCFG_ONE |
+					    ATMEL_XLCDC_LAYER_VXSCTAP2_ENABLE);
+
+		atmel_hlcdc_layer_write_cfg(&plane->layer,
+					    desc->layout.hxs_config,
+					    ATMEL_XLCDC_LAYER_HXSYCFG_ONE |
+					    ATMEL_XLCDC_LAYER_HXSYTAP2_ENABLE |
+					    ATMEL_XLCDC_LAYER_HXSCCFG_ONE |
+					    ATMEL_XLCDC_LAYER_HXSCTAP2_ENABLE);
+	}
 }
 
 static int atmel_hlcdc_plane_init_properties(struct atmel_hlcdc_plane *plane)
-- 
2.25.1


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  parent reply	other threads:[~2024-02-21  5:36 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-21  5:35 [PATCH v8 0/7] Add support for XLCDC to sam9x7 SoC family Manikandan Muralidharan
2024-02-21  5:35 ` Manikandan Muralidharan
2024-02-21  5:35 ` [PATCH v8 1/7] drm: atmel-hlcdc: add driver ops to differentiate HLCDC and XLCDC IP Manikandan Muralidharan
2024-02-21  5:35   ` Manikandan Muralidharan
2024-02-24 12:50   ` claudiu beznea
2024-02-24 12:50     ` claudiu beznea
2024-02-21  5:35 ` [PATCH v8 2/7] drm: atmel-hlcdc: Define XLCDC specific registers Manikandan Muralidharan
2024-02-21  5:35   ` Manikandan Muralidharan
2024-02-23 17:04   ` Lee Jones
2024-02-23 17:04     ` Lee Jones
2024-02-21  5:35 ` [PATCH v8 3/7] drm: atmel_hlcdc: Add support for XLCDC using IP specific driver ops Manikandan Muralidharan
2024-02-21  5:35   ` Manikandan Muralidharan
2024-02-24 12:50   ` claudiu beznea
2024-02-24 12:50     ` claudiu beznea
2024-02-21  5:35 ` [PATCH v8 4/7] drm: atmel-hlcdc: add DPI mode support for XLCDC Manikandan Muralidharan
2024-02-21  5:35   ` Manikandan Muralidharan
2024-02-21  5:35 ` Manikandan Muralidharan [this message]
2024-02-21  5:35   ` [PATCH v8 5/7] drm: atmel-hlcdc: add vertical and horizontal scaling " Manikandan Muralidharan
2024-02-21  5:35 ` [PATCH v8 6/7] drm: atmel-hlcdc: add support for DSI output formats Manikandan Muralidharan
2024-02-21  5:35   ` Manikandan Muralidharan
2024-02-24 12:50   ` claudiu beznea
2024-02-24 12:50     ` claudiu beznea
2024-02-21  5:35 ` [PATCH v8 7/7] drm: atmel-hlcdc: add LCD controller layer definition for sam9x75 Manikandan Muralidharan
2024-02-21  5:35   ` Manikandan Muralidharan
2024-02-22 16:35 ` [PATCH v8 0/7] Add support for XLCDC to sam9x7 SoC family Sam Ravnborg
2024-02-22 16:35   ` Sam Ravnborg
2024-02-24 12:52 ` claudiu beznea
2024-02-24 12:52   ` claudiu beznea

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