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path: root/target/linux/bcm27xx/patches-5.10/950-0688-drm-vc4-plane-Remove-redundant-assignment.patch
blob: b22a084a8f0f288a21ef3f67383f16c72052515a (plain)
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From 9d766c97656ba1a8729e434ca6cd9b1e1172ee1f Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Thu, 18 Mar 2021 17:13:27 +0100
Subject: [PATCH] drm/vc4: plane: Remove redundant assignment

The vc4_plane_atomic_async_update function assigns twice in a row the
src_h field in the drm_plane_state structure to the same value. Remove
the second one.

Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20210318161328.1471556-2-maxime@cerno.tech
---
 drivers/gpu/drm/vc4/vc4_plane.c | 1 -
 1 file changed, 1 deletion(-)

--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -1226,7 +1226,6 @@ static void vc4_plane_atomic_async_updat
 	plane->state->src_y = state->src_y;
 	plane->state->src_w = state->src_w;
 	plane->state->src_h = state->src_h;
-	plane->state->src_h = state->src_h;
 	plane->state->alpha = state->alpha;
 	plane->state->pixel_blend_mode = state->pixel_blend_mode;
 	plane->state->rotation = state->rotation;
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From 0ef60858b9927024cd310038c97976e27e4daada Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Sun, 12 May 2013 12:24:19 +0100
Subject: [PATCH] Main bcm2708/bcm2709 linux port
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: popcornmix <popcornmix@gmail.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>

bcm2709: Drop platform smp and timer init code

irq-bcm2836 handles this through these functions:
bcm2835_init_local_timer_frequency()
bcm2836_arm_irqchip_smp_init()

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>

bcm270x: Use watchdog for reboot/poweroff

The watchdog driver already has support for reboot/poweroff.
Make use of this and remove the code from the platform files.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>

board_bcm2835: Remove coherent dma pool increase - API has gone
---
 arch/arm/mach-bcm/Kconfig         |  1 +
 arch/arm/mm/proc-v6.S             | 15 ++++++++++++---
 drivers/irqchip/irq-bcm2835.c     |  7 ++++++-
 drivers/mailbox/bcm2835-mailbox.c | 18 ++++++++++++++++--
 4 files changed, 35 insertions(+), 6 deletions(-)

--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -165,6 +165,7 @@ config ARCH_BCM2835
 	select PINCTRL
 	select PINCTRL_BCM2835
 	select MFD_CORE
+	select MFD_SYSCON if ARCH_MULTI_V7
 	help
 	  This enables support for the Broadcom BCM2711 and BCM283x SoCs.
 	  This SoC is used in the Raspberry Pi and Roku 2 devices.
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -70,10 +70,19 @@ ENDPROC(cpu_v6_reset)
  *
  *	IRQs are already disabled.
  */
+
+/* See jira SW-5991 for details of this workaround */
 ENTRY(cpu_v6_do_idle)
-	mov	r1, #0
-	mcr	p15, 0, r1, c7, c10, 4		@ DWB - WFI may enter a low-power mode
-	mcr	p15, 0, r1, c7, c0, 4		@ wait for interrupt
+	.align 5
+	mov     r1, #2
+1:	subs	r1, #1
+	nop
+	mcreq	p15, 0, r1, c7, c10, 4		@ DWB - WFI may enter a low-power mode
+	mcreq	p15, 0, r1, c7, c0, 4		@ wait for interrupt
+	nop
+	nop
+	nop
+	bne 1b
 	ret	lr
 
 ENTRY(cpu_v6_dcache_clean_area)
--- a/drivers/irqchip/irq-bcm2835.c
+++ b/drivers/irqchip/irq-bcm2835.c
@@ -43,7 +43,9 @@
 #include <linux/irqdomain.h>
 
 #include <asm/exception.h>
+#ifndef CONFIG_ARM64
 #include <asm/mach/irq.h>
+#endif
 
 /* Put the bank and irq (32 bits) into the hwirq */
 #define MAKE_HWIRQ(b, n)	(((b) << 5) | (n))
@@ -72,6 +74,7 @@
 #define NR_BANKS		3
 #define IRQS_PER_BANK		32
 #define NUMBER_IRQS		MAKE_HWIRQ(NR_BANKS, 0)
+#undef FIQ_START
 #define FIQ_START		(NR_IRQS_BANK0 + MAKE_HWIRQ(NR_BANKS - 1, 0))
 
 static const int reg_pending[] __initconst = { 0x00, 0x04, 0x08 };
@@ -253,10 +256,12 @@ static int __init armctrl_of_init(struct
 					MAKE_HWIRQ(b, i) + NUMBER_IRQS);
 			BUG_ON(irq <= 0);
 			irq_set_chip(irq, &armctrl_chip);
-			set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+			irq_set_probe(irq);
 		}
 	}
+#ifndef CONFIG_ARM64
 	init_FIQ(FIQ_START);
+#endif
 
 	return 0;
 }
--- a/drivers/mailbox/bcm2835-mailbox.c
+++ b/drivers/mailbox/bcm2835-mailbox.c
@@ -45,12 +45,15 @@
 #define MAIL1_WRT	(ARM_0_MAIL1 + 0x00)
 #define MAIL1_STA	(ARM_0_MAIL1 + 0x18)
 
+/* On ARCH_BCM270x these come through <linux/interrupt.h> (arm_control.h ) */
+#ifndef ARM_MS_FULL
 /* Status register: FIFO state. */
 #define ARM_MS_FULL		BIT(31)
 #define ARM_MS_EMPTY		BIT(30)
 
 /* Configuration register: Enable interrupts. */
 #define ARM_MC_IHAVEDATAIRQEN	BIT(0)
+#endif
 
 struct bcm2835_mbox {
 	void __iomem *regs;
@@ -145,7 +148,7 @@ static int bcm2835_mbox_probe(struct pla
 		return -ENOMEM;
 	spin_lock_init(&mbox->lock);
 
-	ret = devm_request_irq(dev, irq_of_parse_and_map(dev->of_node, 0),
+	ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
 			       bcm2835_mbox_irq, 0, dev_name(dev), mbox);
 	if (ret) {
 		dev_err(dev, "Failed to register a mailbox IRQ handler: %d\n",
@@ -195,7 +198,18 @@ static struct platform_driver bcm2835_mb
 	},
 	.probe		= bcm2835_mbox_probe,
 };
-module_platform_driver(bcm2835_mbox_driver);
+
+static int __init bcm2835_mbox_init(void)
+{
+	return platform_driver_register(&bcm2835_mbox_driver);
+}
+arch_initcall(bcm2835_mbox_init);
+
+static void __init bcm2835_mbox_exit(void)
+{
+	platform_driver_unregister(&bcm2835_mbox_driver);
+}
+module_exit(bcm2835_mbox_exit);
 
 MODULE_AUTHOR("Lubomir Rintel <lkundrak@v3.sk>");
 MODULE_DESCRIPTION("BCM2835 mailbox IPC driver");