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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>
65 lines
1.9 KiB
Diff
65 lines
1.9 KiB
Diff
From 831c6e8c68a66678e8329a382823dc83c483dcc8 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Thu, 27 Apr 2023 09:30:49 +0200
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Subject: [PATCH] drm/vc4: txp: Add support for BCM2712 MOP
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The BCM2712 has an evolution of what used to be called TXP in the
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earlier SoCs, but is now called MOP.
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There's a few differences still, so we can add a new compatible to deal
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with them easily.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/vc4_txp.c | 18 +++++++++++++++++-
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1 file changed, 17 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/vc4/vc4_txp.c
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+++ b/drivers/gpu/drm/vc4/vc4_txp.c
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@@ -388,6 +388,7 @@ static const struct drm_connector_funcs
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static void vc4_txp_encoder_disable(struct drm_encoder *encoder)
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{
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struct drm_device *drm = encoder->dev;
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+ struct vc4_dev *vc4 = to_vc4_dev(drm);
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struct vc4_txp *txp = encoder_to_vc4_txp(encoder);
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int idx;
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@@ -406,7 +407,8 @@ static void vc4_txp_encoder_disable(stru
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WARN_ON(TXP_READ(TXP_DST_CTRL) & TXP_BUSY);
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}
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- TXP_WRITE(TXP_DST_CTRL, TXP_POWERDOWN);
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+ if (vc4->gen < VC4_GEN_6)
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+ TXP_WRITE(TXP_DST_CTRL, TXP_POWERDOWN);
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drm_dev_exit(idx);
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}
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@@ -510,6 +512,19 @@ static irqreturn_t vc4_txp_interrupt(int
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return IRQ_HANDLED;
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}
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+const struct vc4_txp_data bcm2712_mop_data = {
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+ .base = {
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+ .name = "mop",
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+ .debugfs_name = "mop_regs",
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+ .hvs_available_channels = BIT(2),
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+ .hvs_output = 2,
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+ },
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+ .encoder_type = VC4_ENCODER_TYPE_TXP0,
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+ .has_byte_enable = true,
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+ .size_minus_one = true,
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+ .supports_40bit_addresses = true,
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+};
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+
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const struct vc4_txp_data bcm2835_txp_data = {
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.base = {
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.name = "txp",
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@@ -616,6 +631,7 @@ static int vc4_txp_remove(struct platfor
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}
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static const struct of_device_id vc4_txp_dt_match[] = {
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+ { .compatible = "brcm,bcm2712-mop", .data = &bcm2712_mop_data },
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{ .compatible = "brcm,bcm2835-txp", .data = &bcm2835_txp_data },
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{ /* sentinel */ },
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};
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