[PATCH v4 0/6] Add Aspeed AST2600 soc display support

[PATCH v4 0/6] Add Aspeed AST2600 soc display support

[Tommy Haung]

From: tommy-huang <tommy_huang@aspeedtech.com>

v4:
  Add necessary reset control for ast2600.
  Add chip caps for futher use.
  These code are test on AST2500 and AST2600 by below steps.

  1. Add below config to turn VT and LOGO on.

	CONFIG_TTY=y
	CONFIG_VT=y
	CONFIG_CONSOLE_TRANSLATIONS=y
	CONFIG_VT_CONSOLE=y
	CONFIG_VT_CONSOLE_SLEEP=y
	CONFIG_HW_CONSOLE=y
	CONFIG_VT_HW_CONSOLE_BINDING=y
	CONFIG_UNIX98_PTYS=y
	CONFIG_LDISC_AUTOLOAD=y
	CONFIG_DEVMEM=y
	CONFIG_DUMMY_CONSOLE=y
	CONFIG_FRAMEBUFFER_CONSOLE=y
	CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
	CONFIG_LOGO=y
	CONFIG_LOGO_LINUX_CLUT224=y

  2. The Linux logo will be shown on the screen, when the BMC boot in Linux.

v3:
  Refine the patch for clear separate purpose.
  Skip to send devicetree patch

v2:
  Remove some unnecessary patch.
  Refine for reviwer request.

v1:
  First add patch.

Joel Stanley (2):
  ARM: dts: aspeed: Add GFX node to AST2600
  ARM: dts: aspeed: ast2600-evb: Enable GFX device

tommy-huang (4):
  drm/aspeed: Update INTR_STS handling
  drm/aspeed: Add AST2600 chip support
  drm/aspeed: Add reset and clock for AST2600
  arm:boot:dts:aspeed-g6 Add more gfx reset control

 arch/arm/boot/dts/aspeed-ast2600-evb.dts | 18 +++++++
 arch/arm/boot/dts/aspeed-g6.dtsi         | 13 +++++
 drivers/gpu/drm/aspeed/aspeed_gfx.h      | 17 ++++++-
 drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c | 16 ++++++
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c  | 65 ++++++++++++++++++++++--
 5 files changed, 123 insertions(+), 6 deletions(-)

-- 
2.17.1


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[PATCH v4 1/1] arm:boot:dts:aspeed-g6 Add more gfx reset control

[Tommy Haung]

From: tommy-huang <tommy_huang@aspeedtech.com>

Add more gfx reset control for ast2600.

Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 arch/arm/boot/dts/aspeed-g6.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index a730c7706ecf..ae7a18b27701 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -356,7 +356,9 @@
 				reg = <0x1e6e6000 0x1000>;
 				reg-io-width = <4>;
 				clocks = <&syscon ASPEED_CLK_GATE_D1CLK>;
-				resets = <&syscon ASPEED_RESET_GRAPHICS>;
+				resets = <&syscon ASPEED_RESET_CRT>,
+					 <&syscon ASPEED_RESET_GRAPHICS>;
+				reset-names = "crt", "engine";
 				syscon = <&syscon>;
 				status = "disabled";
 				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.17.1


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[PATCH v4 1/6] ARM: dts: aspeed: Add GFX node to AST2600

[Tommy Haung]

From: Joel Stanley <joel@jms.id.au>

The GFX device is present in the AST2600 SoC.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 arch/arm/boot/dts/aspeed-g6.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index 1b47be1704f8..e38c3742761b 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -351,6 +351,17 @@
 				quality = <100>;
 			};
 
+			gfx: display@1e6e6000 {
+				compatible = "aspeed,ast2600-gfx", "aspeed,ast2500-gfx", "syscon";
+				reg = <0x1e6e6000 0x1000>;
+				reg-io-width = <4>;
+				clocks = <&syscon ASPEED_CLK_GATE_D1CLK>;
+				resets = <&syscon ASPEED_RESET_GRAPHICS>;
+				syscon = <&syscon>;
+				status = "disabled";
+				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
 			xdma: xdma@1e6e7000 {
 				compatible = "aspeed,ast2600-xdma";
 				reg = <0x1e6e7000 0x100>;
-- 
2.17.1


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[PATCH v4 2/6] ARM: dts: aspeed: ast2600-evb: Enable GFX device

[Tommy Haung]

From: Joel Stanley <joel@jms.id.au>

Enable the GFX device with a framebuffer memory region.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 arch/arm/boot/dts/aspeed-ast2600-evb.dts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index b7eb552640cb..e223dad2abd0 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -23,6 +23,19 @@
 		reg = <0x80000000 0x80000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		gfx_memory: framebuffer {
+			size = <0x01000000>;
+			alignment = <0x01000000>;
+			compatible = "shared-dma-pool";
+			reusable;
+		};
+	};
+
 	vcc_sdhci0: regulator-vcc-sdhci0 {
 		compatible = "regulator-fixed";
 		regulator-name = "SDHCI0 Vcc";
@@ -300,3 +313,8 @@
 	vqmmc-supply = <&vccq_sdhci1>;
 	clk-phase-sd-hs = <7>, <200>;
 };
+
+&gfx {
+	status = "okay";
+	memory-region = <&gfx_memory>;
+};
-- 
2.17.1


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[PATCH v4 3/6] drm/aspeed: Update INTR_STS handling

[Tommy Haung]

From: tommy-huang <tommy_huang@aspeedtech.com>

Add interrupt clear register define for further chip support.

Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 drivers/gpu/drm/aspeed/aspeed_gfx.h     | 1 +
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx.h b/drivers/gpu/drm/aspeed/aspeed_gfx.h
index 96501152bafa..4e6a442c3886 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx.h
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx.h
@@ -12,6 +12,7 @@ struct aspeed_gfx {
 	struct regmap			*scu;
 
 	u32				dac_reg;
+	u32				int_clr_reg;
 	u32				vga_scratch_reg;
 	u32				throd_val;
 	u32				scan_line_max;
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index b53fee6f1c17..d4b56b3c7597 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -60,6 +60,7 @@
 
 struct aspeed_gfx_config {
 	u32 dac_reg;		/* DAC register in SCU */
+	u32 int_clear_reg;	/* Interrupt clear register */
 	u32 vga_scratch_reg;	/* VGA scratch register in SCU */
 	u32 throd_val;		/* Default Threshold Seting */
 	u32 scan_line_max;	/* Max memory size of one scan line */
@@ -67,6 +68,7 @@ struct aspeed_gfx_config {
 
 static const struct aspeed_gfx_config ast2400_config = {
 	.dac_reg = 0x2c,
+	.int_clear_reg = 0x60,
 	.vga_scratch_reg = 0x50,
 	.throd_val = CRT_THROD_LOW(0x1e) | CRT_THROD_HIGH(0x12),
 	.scan_line_max = 64,
@@ -74,6 +76,7 @@ static const struct aspeed_gfx_config ast2400_config = {
 
 static const struct aspeed_gfx_config ast2500_config = {
 	.dac_reg = 0x2c,
+	.int_clear_reg = 0x60,
 	.vga_scratch_reg = 0x50,
 	.throd_val = CRT_THROD_LOW(0x24) | CRT_THROD_HIGH(0x3c),
 	.scan_line_max = 128,
@@ -119,7 +122,7 @@ static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
 
 	if (reg & CRT_CTRL_VERTICAL_INTR_STS) {
 		drm_crtc_handle_vblank(&priv->pipe.crtc);
-		writel(reg, priv->base + CRT_CTRL1);
+		writel(reg, priv->base + priv->int_clr_reg);
 		return IRQ_HANDLED;
 	}
 
@@ -147,6 +150,7 @@ static int aspeed_gfx_load(struct drm_device *drm)
 	config = match->data;
 
 	priv->dac_reg = config->dac_reg;
+	priv->int_clr_reg = config->int_clear_reg;
 	priv->vga_scratch_reg = config->vga_scratch_reg;
 	priv->throd_val = config->throd_val;
 	priv->scan_line_max = config->scan_line_max;
-- 
2.17.1


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[PATCH v4 4/6] drm/aspeed: Add AST2600 chip support

[Tommy Haung]

From: tommy-huang <tommy_huang@aspeedtech.com>

Add AST2600 chip support and setting.

Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index d4b56b3c7597..d10246b1d1c2 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -82,9 +82,18 @@ static const struct aspeed_gfx_config ast2500_config = {
 	.scan_line_max = 128,
 };
 
+static const struct aspeed_gfx_config ast2600_config = {
+	.dac_reg = 0xc0,
+	.int_clear_reg = 0x68,
+	.vga_scratch_reg = 0x50,
+	.throd_val = CRT_THROD_LOW(0x50) | CRT_THROD_HIGH(0x70),
+	.scan_line_max = 128,
+};
+
 static const struct of_device_id aspeed_gfx_match[] = {
 	{ .compatible = "aspeed,ast2400-gfx", .data = &ast2400_config },
 	{ .compatible = "aspeed,ast2500-gfx", .data = &ast2500_config },
+	{ .compatible = "aspeed,ast2600-gfx", .data = &ast2600_config },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, aspeed_gfx_match);
-- 
2.17.1


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[PATCH v4 5/6] drm/aspeed: Add reset and clock for AST2600

[Tommy Haung]

From: tommy-huang <tommy_huang@aspeedtech.com>

Add more reset and clock select code for AST2600.
The gfx_flags parameter was added for chip caps idenified.

Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 drivers/gpu/drm/aspeed/aspeed_gfx.h      | 16 +++++++-
 drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c | 16 ++++++++
 drivers/gpu/drm/aspeed/aspeed_gfx_drv.c  | 50 ++++++++++++++++++++++--
 3 files changed, 77 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx.h b/drivers/gpu/drm/aspeed/aspeed_gfx.h
index 4e6a442c3886..2c733225d3c7 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx.h
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx.h
@@ -8,7 +8,8 @@ struct aspeed_gfx {
 	struct drm_device		drm;
 	void __iomem			*base;
 	struct clk			*clk;
-	struct reset_control		*rst;
+	struct reset_control		*rst_crt;
+	struct reset_control		*rst_engine;
 	struct regmap			*scu;
 
 	u32				dac_reg;
@@ -16,6 +17,7 @@ struct aspeed_gfx {
 	u32				vga_scratch_reg;
 	u32				throd_val;
 	u32				scan_line_max;
+	u32				flags;
 
 	struct drm_simple_display_pipe	pipe;
 	struct drm_connector		connector;
@@ -106,3 +108,15 @@ int aspeed_gfx_create_output(struct drm_device *drm);
 /* CRT_THROD */
 #define CRT_THROD_LOW(x)		(x)
 #define CRT_THROD_HIGH(x)		((x) << 8)
+
+/* SCU control */
+#define SCU_G6_CLK_COURCE		0x300
+
+/* GFX FLAGS */
+#define RESET_MASK			BIT(0)
+#define RESET_G6			BIT(0)
+#define CLK_MASK			BIT(4)
+#define CLK_G6				BIT(4)
+
+#define G6_CLK_MASK			(BIT(8) | BIT(9) | BIT(10))
+#define G6_USB_40_CLK			BIT(9)
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
index 827e62c1daba..e0975ecda92d 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
@@ -77,6 +77,18 @@ static void aspeed_gfx_disable_controller(struct aspeed_gfx *priv)
 	regmap_update_bits(priv->scu, priv->dac_reg, BIT(16), 0);
 }
 
+static void aspeed_gfx_set_clk(struct aspeed_gfx *priv)
+{
+	switch (priv->flags & CLK_MASK) {
+	case CLK_G6:
+		regmap_update_bits(priv->scu, SCU_G6_CLK_COURCE, G6_CLK_MASK, 0x0);
+		regmap_update_bits(priv->scu, SCU_G6_CLK_COURCE, G6_CLK_MASK, G6_USB_40_CLK);
+		break;
+	default:
+		break;
+	}
+}
+
 static void aspeed_gfx_crtc_mode_set_nofb(struct aspeed_gfx *priv)
 {
 	struct drm_display_mode *m = &priv->pipe.crtc.state->adjusted_mode;
@@ -87,6 +99,8 @@ static void aspeed_gfx_crtc_mode_set_nofb(struct aspeed_gfx *priv)
 	if (err)
 		return;
 
+	aspeed_gfx_set_clk(priv);
+
 #if 0
 	/* TODO: we have only been able to test with the 40MHz USB clock. The
 	 * clock is fixed, so we cannot adjust it here. */
@@ -193,6 +207,7 @@ static void aspeed_gfx_pipe_update(struct drm_simple_display_pipe *pipe,
 static int aspeed_gfx_enable_vblank(struct drm_simple_display_pipe *pipe)
 {
 	struct aspeed_gfx *priv = drm_pipe_to_aspeed_gfx(pipe);
+
 	u32 reg = readl(priv->base + CRT_CTRL1);
 
 	/* Clear pending VBLANK IRQ */
@@ -207,6 +222,7 @@ static int aspeed_gfx_enable_vblank(struct drm_simple_display_pipe *pipe)
 static void aspeed_gfx_disable_vblank(struct drm_simple_display_pipe *pipe)
 {
 	struct aspeed_gfx *priv = drm_pipe_to_aspeed_gfx(pipe);
+
 	u32 reg = readl(priv->base + CRT_CTRL1);
 
 	reg &= ~CRT_CTRL_VERTICAL_INTR_EN;
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index d10246b1d1c2..59a0de92650f 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -64,6 +64,7 @@ struct aspeed_gfx_config {
 	u32 vga_scratch_reg;	/* VGA scratch register in SCU */
 	u32 throd_val;		/* Default Threshold Seting */
 	u32 scan_line_max;	/* Max memory size of one scan line */
+	u32 gfx_flags;		/* Flags for gfx chip caps */
 };
 
 static const struct aspeed_gfx_config ast2400_config = {
@@ -72,6 +73,7 @@ static const struct aspeed_gfx_config ast2400_config = {
 	.vga_scratch_reg = 0x50,
 	.throd_val = CRT_THROD_LOW(0x1e) | CRT_THROD_HIGH(0x12),
 	.scan_line_max = 64,
+	.gfx_flags = 0,
 };
 
 static const struct aspeed_gfx_config ast2500_config = {
@@ -80,6 +82,7 @@ static const struct aspeed_gfx_config ast2500_config = {
 	.vga_scratch_reg = 0x50,
 	.throd_val = CRT_THROD_LOW(0x24) | CRT_THROD_HIGH(0x3c),
 	.scan_line_max = 128,
+	.gfx_flags = 0,
 };
 
 static const struct aspeed_gfx_config ast2600_config = {
@@ -88,6 +91,7 @@ static const struct aspeed_gfx_config ast2600_config = {
 	.vga_scratch_reg = 0x50,
 	.throd_val = CRT_THROD_LOW(0x50) | CRT_THROD_HIGH(0x70),
 	.scan_line_max = 128,
+	.gfx_flags = RESET_G6 | CLK_G6,
 };
 
 static const struct of_device_id aspeed_gfx_match[] = {
@@ -138,6 +142,44 @@ static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
 	return IRQ_NONE;
 }
 
+static int aspeed_gfx_reset(struct drm_device *drm)
+{
+	struct platform_device *pdev = to_platform_device(drm->dev);
+	struct aspeed_gfx *priv = to_aspeed_gfx(drm);
+
+	switch (priv->flags & RESET_MASK) {
+	case RESET_G6:
+		priv->rst_crt = devm_reset_control_get(&pdev->dev, "crt");
+		if (IS_ERR(priv->rst_crt)) {
+			dev_err(&pdev->dev,
+				"missing or invalid crt reset controller device tree entry");
+			return PTR_ERR(priv->rst_crt);
+		}
+		reset_control_deassert(priv->rst_crt);
+
+		priv->rst_engine = devm_reset_control_get(&pdev->dev, "engine");
+		if (IS_ERR(priv->rst_engine)) {
+			dev_err(&pdev->dev,
+				"missing or invalid engine reset controller device tree entry");
+			return PTR_ERR(priv->rst_engine);
+		}
+		reset_control_deassert(priv->rst_engine);
+		break;
+
+	default:
+		priv->rst_crt = devm_reset_control_get_exclusive(&pdev->dev, NULL);
+		if (IS_ERR(priv->rst_crt)) {
+			dev_err(&pdev->dev,
+				"missing or invalid reset controller device tree entry");
+			return PTR_ERR(priv->rst_crt);
+		}
+		reset_control_deassert(priv->rst_crt);
+		break;
+	}
+
+	return 0;
+}
+
 static int aspeed_gfx_load(struct drm_device *drm)
 {
 	struct platform_device *pdev = to_platform_device(drm->dev);
@@ -163,6 +205,7 @@ static int aspeed_gfx_load(struct drm_device *drm)
 	priv->vga_scratch_reg = config->vga_scratch_reg;
 	priv->throd_val = config->throd_val;
 	priv->scan_line_max = config->scan_line_max;
+	priv->flags = config->gfx_flags;
 
 	priv->scu = syscon_regmap_lookup_by_phandle(np, "syscon");
 	if (IS_ERR(priv->scu)) {
@@ -186,13 +229,12 @@ static int aspeed_gfx_load(struct drm_device *drm)
 		return ret;
 	}
 
-	priv->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
-	if (IS_ERR(priv->rst)) {
+	ret = aspeed_gfx_reset(drm);
+	if (ret) {
 		dev_err(&pdev->dev,
 			"missing or invalid reset controller device tree entry");
-		return PTR_ERR(priv->rst);
+		return ret;
 	}
-	reset_control_deassert(priv->rst);
 
 	priv->clk = devm_clk_get(drm->dev, NULL);
 	if (IS_ERR(priv->clk)) {
-- 
2.17.1


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[PATCH v4 6/6] arm:boot:dts:aspeed-g6 Add more gfx reset control

[Tommy Haung]

From: tommy-huang <tommy_huang@aspeedtech.com>

Add more gfx reset control for ast2600.

Signed-off-by: tommy-huang <tommy_huang@aspeedtech.com>
---
 arch/arm/boot/dts/aspeed-g6.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index e38c3742761b..b92b24609660 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -356,7 +356,9 @@
 				reg = <0x1e6e6000 0x1000>;
 				reg-io-width = <4>;
 				clocks = <&syscon ASPEED_CLK_GATE_D1CLK>;
-				resets = <&syscon ASPEED_RESET_GRAPHICS>;
+				resets = <&syscon ASPEED_RESET_CRT>,
+					 <&syscon ASPEED_RESET_GRAPHICS>;
+				reset-names = "crt", "engine";
 				syscon = <&syscon>;
 				status = "disabled";
 				interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
-- 
2.17.1


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Re: [PATCH v4 6/6] arm:boot:dts:aspeed-g6 Add more gfx reset control

[kernel test robot]

Hi Tommy,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v5.16-rc4]
[also build test ERROR on next-20211207]
[cannot apply to joel-aspeed/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Tommy-Haung/Add-Aspeed-AST2600-soc-display-support/20211207-183100
base:    0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1
config: arm-defconfig (https://download.01.org/0day-ci/archive/20211208/202112080327.zlIz9vRq-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/1f021d3aa80957f6bd0434bf4b5d66898b8d2e9c
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Tommy-Haung/Add-Aspeed-AST2600-soc-display-support/20211207-183100
        git checkout 1f021d3aa80957f6bd0434bf4b5d66898b8d2e9c
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> Error: arch/arm/boot/dts/aspeed-g6.dtsi:359.23-24 syntax error
   FATAL ERROR: Unable to parse input tree

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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