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openwrt/target/linux/bcm27xx/patches-6.6/950-1127-drm-vc4-Use-phys-addresses-for-slave-DMA-config.patch
John Audia 51db334005 kernel: bump 6.6 to 6.6.54
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.54

Removed upstreamed:
	generic/backport-6.6/780-24-v6.12-r8169-disable-ALDPS-per-default-for-RTL8125.patch[1]
	generic/pending-6.6/360-selftests-bpf-portability-of-unprivileged-tests.patch[2]

Manually rebased:
	bcm53xx/patches-6.6/180-usb-xhci-add-support-for-performing-fake-doorbell.patch
	bmips/patches-6.6/200-mips-bmips-automatically-detect-CPU-frequency.patch

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.54&id=50d062b6cc90c45a0de54e9bd9903c82777d66bf
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.54&id=103c0431c7fb4790affea121126840dbfb146341

Build system: x86/64
Build-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3
Run-tested: x86/64/AMD Cezanne, flogic/xiaomi_redmi-router-ax6000-ubootmod, ramips/tplink_archer-a6-v3

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/16602
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2024-10-05 12:43:51 +02:00

52 lines
1.9 KiB
Diff

From 3d4f30269402f795f6a4054ced3bfdcbdaddc357 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Thu, 11 May 2023 16:08:15 +0100
Subject: [PATCH 1127/1135] drm/vc4: Use phys addresses for slave DMA config
Slave addresses for DMA are meant to be supplied as physical addresses
(contrary to what struct snd_dmaengine_dai_dma_data does).
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2831,7 +2831,7 @@ static int vc4_hdmi_audio_init(struct vc
struct snd_soc_card *card = &vc4_hdmi->audio.card;
struct device *dev = &vc4_hdmi->pdev->dev;
struct platform_device *codec_pdev;
- const __be32 *addr;
+ struct resource *iomem;
int index, len;
int ret;
@@ -2867,22 +2867,18 @@ static int vc4_hdmi_audio_init(struct vc
}
/*
- * Get the physical address of VC4_HD_MAI_DATA. We need to retrieve
- * the bus address specified in the DT, because the physical address
- * (the one returned by platform_get_resource()) is not appropriate
- * for DMA transfers.
- * This VC/MMU should probably be exposed to avoid this kind of hacks.
+ * Get the physical address of VC4_HD_MAI_DATA.
*/
index = of_property_match_string(dev->of_node, "reg-names", "hd");
/* Before BCM2711, we don't have a named register range */
if (index < 0)
index = 1;
- addr = of_get_address(dev->of_node, index, NULL, NULL);
- if (!addr)
+ iomem = platform_get_resource(vc4_hdmi->pdev, IORESOURCE_MEM, index);
+ if (!iomem)
return -EINVAL;
- vc4_hdmi->audio.dma_data.addr = be32_to_cpup(addr) + mai_data->offset;
+ vc4_hdmi->audio.dma_data.addr = iomem->start + mai_data->offset;
vc4_hdmi->audio.dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
vc4_hdmi->audio.dma_data.maxburst = 2;