mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 08:21:14 +00:00
2e715fb4fc
Add support for BCM2712 (Raspberry Pi 5).
3bb5880ab3
Patches were generated from the diff between linux kernel branch linux-6.1.y
and rpi-6.1.y from raspberry pi kernel source:
- git format-patch linux-6.1.y...rpi-6.1.y
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2710/RPi3B, bcm2711/RPi4B
Signed-off-by: Marty Jones <mj8263788@gmail.com>
[Remove applied and reverted patches, squash patches and config commits]
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
110 lines
3.5 KiB
Diff
110 lines
3.5 KiB
Diff
From 4137b49989ce710305e476d0bd1086d7d906ff50 Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
Date: Fri, 20 Oct 2023 17:09:54 +0100
|
|
Subject: [PATCH] drm/vc4_fkms: Fix up interrupt handler for both 2835/2711 and
|
|
2712
|
|
|
|
2712 has switched from using the SMI peripheral to another interrupt
|
|
source for the vsync interrupt, so handle both sources cleanly.
|
|
|
|
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_firmware_kms.c | 48 ++++++++++++++++++++------
|
|
1 file changed, 38 insertions(+), 10 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
|
|
@@ -47,9 +47,15 @@ struct get_display_cfg {
|
|
u32 max_pixel_clock[2]; //Max pixel clock for each display
|
|
};
|
|
|
|
+enum vc4_fkms_revision {
|
|
+ BCM2835_6_7,
|
|
+ BCM2711,
|
|
+ BCM2712,
|
|
+};
|
|
+
|
|
struct vc4_fkms {
|
|
struct get_display_cfg cfg;
|
|
- bool bcm2711;
|
|
+ enum vc4_fkms_revision revision;
|
|
};
|
|
|
|
#define PLANES_PER_CRTC 8
|
|
@@ -1149,7 +1155,7 @@ vc4_crtc_mode_valid(struct drm_crtc *crt
|
|
/* Pi4 can't generate odd horizontal timings on HDMI, so reject modes
|
|
* that would set them.
|
|
*/
|
|
- if (fkms->bcm2711 &&
|
|
+ if (fkms->revision >= BCM2711 &&
|
|
(vc4_crtc->display_number == 2 || vc4_crtc->display_number == 7) &&
|
|
!(mode->flags & DRM_MODE_FLAG_DBLCLK) &&
|
|
((mode->hdisplay | /* active */
|
|
@@ -1267,6 +1273,20 @@ static irqreturn_t vc4_crtc_irq_handler(
|
|
return ret;
|
|
}
|
|
|
|
+static irqreturn_t vc4_crtc2712_irq_handler(int irq, void *data)
|
|
+{
|
|
+ struct vc4_crtc **crtc_list = data;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; crtc_list[i]; i++) {
|
|
+ if (crtc_list[i]->vblank_enabled)
|
|
+ drm_crtc_handle_vblank(&crtc_list[i]->base);
|
|
+ vc4_crtc_handle_page_flip(crtc_list[i]);
|
|
+ }
|
|
+
|
|
+ return IRQ_HANDLED;
|
|
+}
|
|
+
|
|
static int vc4_fkms_page_flip(struct drm_crtc *crtc,
|
|
struct drm_framebuffer *fb,
|
|
struct drm_pending_vblank_event *event,
|
|
@@ -1352,9 +1372,12 @@ static const struct drm_crtc_helper_func
|
|
};
|
|
|
|
static const struct of_device_id vc4_firmware_kms_dt_match[] = {
|
|
- { .compatible = "raspberrypi,rpi-firmware-kms" },
|
|
+ { .compatible = "raspberrypi,rpi-firmware-kms",
|
|
+ .data = (void *)BCM2835_6_7 },
|
|
{ .compatible = "raspberrypi,rpi-firmware-kms-2711",
|
|
- .data = (void *)1 },
|
|
+ .data = (void *)BCM2711 },
|
|
+ { .compatible = "raspberrypi,rpi-firmware-kms-2712",
|
|
+ .data = (void *)BCM2712 },
|
|
{}
|
|
};
|
|
|
|
@@ -1924,8 +1947,7 @@ static int vc4_fkms_bind(struct device *
|
|
match = of_match_device(vc4_firmware_kms_dt_match, dev);
|
|
if (!match)
|
|
return -ENODEV;
|
|
- if (match->data)
|
|
- fkms->bcm2711 = true;
|
|
+ fkms->revision = (enum vc4_fkms_revision)match->data;
|
|
|
|
firmware_node = of_parse_phandle(dev->of_node, "brcm,firmware", 0);
|
|
vc4->firmware = devm_rpi_firmware_get(&pdev->dev, firmware_node);
|
|
@@ -1992,10 +2014,16 @@ static int vc4_fkms_bind(struct device *
|
|
if (IS_ERR(crtc_list[0]->regs))
|
|
DRM_ERROR("Oh dear, failed to map registers\n");
|
|
|
|
- writel(0, crtc_list[0]->regs + SMICS);
|
|
- ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
|
|
- vc4_crtc_irq_handler, 0,
|
|
- "vc4 firmware kms", crtc_list);
|
|
+ if (fkms->revision >= BCM2712) {
|
|
+ ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
|
|
+ vc4_crtc2712_irq_handler, 0,
|
|
+ "vc4 firmware kms", crtc_list);
|
|
+ } else {
|
|
+ writel(0, crtc_list[0]->regs + SMICS);
|
|
+ ret = devm_request_irq(dev, platform_get_irq(pdev, 0),
|
|
+ vc4_crtc_irq_handler, 0,
|
|
+ "vc4 firmware kms", crtc_list);
|
|
+ }
|
|
if (ret)
|
|
DRM_ERROR("Oh dear, failed to register IRQ\n");
|
|
} else {
|