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https://github.com/Ysurac/openmptcprouter.git
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67 lines
2.1 KiB
Diff
67 lines
2.1 KiB
Diff
From aec89f6fa5f40d03231bb585ce82880ac0128701 Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <mripard@kernel.org>
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Date: Fri, 25 Oct 2024 18:15:51 +0100
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Subject: [PATCH 615/697] 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 <mripard@kernel.org>
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Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-20-35efa83c8fc0@raspberrypi.com
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_txp.c | 19 ++++++++++++++++++-
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1 file changed, 18 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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@@ -386,6 +386,7 @@ 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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@@ -404,7 +405,8 @@ 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_C)
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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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@@ -508,6 +510,20 @@ static irqreturn_t vc4_txp_interrupt(int
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return IRQ_HANDLED;
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}
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+static 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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+ .high_addr_ptr_reg = TXP_DST_PTR_HIGH_MOP,
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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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@@ -613,6 +629,7 @@ static void vc4_txp_remove(struct platfo
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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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