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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>
118 lines
3.5 KiB
Diff
118 lines
3.5 KiB
Diff
From a68e8ffc3314612b0d00d491c8cdd61ae1d9af4e Mon Sep 17 00:00:00 2001
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From: Maxime Ripard <maxime@cerno.tech>
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Date: Tue, 25 Apr 2023 10:12:32 +0200
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Subject: [PATCH] drm/vc4: txp: Introduce structure to deal with revision
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differences
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The BCM2712 will have several TXP with small differences. Let's add a
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structure tied to the compatible to deal with those differences.
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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drivers/gpu/drm/vc4/tests/vc4_mock.c | 4 ++--
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drivers/gpu/drm/vc4/vc4_drv.h | 6 +++++-
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drivers/gpu/drm/vc4/vc4_txp.c | 23 ++++++++++++++++-------
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3 files changed, 23 insertions(+), 10 deletions(-)
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--- a/drivers/gpu/drm/vc4/tests/vc4_mock.c
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+++ b/drivers/gpu/drm/vc4/tests/vc4_mock.c
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@@ -51,7 +51,7 @@ struct vc4_mock_desc {
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static const struct vc4_mock_desc vc4_mock =
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VC4_MOCK_DESC(
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- VC4_MOCK_CRTC_DESC(&vc4_txp_crtc_data,
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+ VC4_MOCK_CRTC_DESC(&vc4_txp_data.base,
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VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP,
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DRM_MODE_ENCODER_VIRTUAL,
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DRM_MODE_CONNECTOR_WRITEBACK)),
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@@ -77,7 +77,7 @@ static const struct vc4_mock_desc vc4_mo
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static const struct vc4_mock_desc vc5_mock =
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VC4_MOCK_DESC(
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- VC4_MOCK_CRTC_DESC(&vc4_txp_crtc_data,
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+ VC4_MOCK_CRTC_DESC(&vc4_txp_data.base,
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VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP,
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DRM_MODE_ENCODER_VIRTUAL,
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DRM_MODE_CONNECTOR_WRITEBACK)),
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--- a/drivers/gpu/drm/vc4/vc4_drv.h
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+++ b/drivers/gpu/drm/vc4/vc4_drv.h
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@@ -561,7 +561,11 @@ struct vc4_crtc_data {
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int hvs_output;
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};
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-extern const struct vc4_crtc_data vc4_txp_crtc_data;
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+struct vc4_txp_data {
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+ struct vc4_crtc_data base;
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+};
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+
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+extern const struct vc4_txp_data vc4_txp_data;
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struct vc4_pv_data {
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struct vc4_crtc_data base;
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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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@@ -159,6 +159,7 @@
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struct vc4_txp {
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struct vc4_crtc base;
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+ const struct vc4_txp_data *data;
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struct platform_device *pdev;
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@@ -488,17 +489,20 @@ 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_crtc_data vc4_txp_crtc_data = {
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- .name = "txp",
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- .debugfs_name = "txp_regs",
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- .hvs_available_channels = BIT(2),
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- .hvs_output = 2,
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+const struct vc4_txp_data vc4_txp_data = {
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+ .base = {
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+ .name = "txp",
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+ .debugfs_name = "txp_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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};
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static int vc4_txp_bind(struct device *dev, struct device *master, void *data)
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{
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struct platform_device *pdev = to_platform_device(dev);
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struct drm_device *drm = dev_get_drvdata(master);
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+ const struct vc4_txp_data *txp_data;
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struct vc4_encoder *vc4_encoder;
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struct drm_encoder *encoder;
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struct vc4_crtc *vc4_crtc;
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@@ -513,6 +517,11 @@ static int vc4_txp_bind(struct device *d
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if (!txp)
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return -ENOMEM;
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+ txp_data = of_device_get_match_data(dev);
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+ if (!txp_data)
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+ return -ENODEV;
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+
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+ txp->data = txp_data;
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txp->pdev = pdev;
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txp->regs = vc4_ioremap_regs(pdev, 0);
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if (IS_ERR(txp->regs))
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@@ -523,7 +532,7 @@ static int vc4_txp_bind(struct device *d
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vc4_crtc->regset.regs = txp_regs;
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vc4_crtc->regset.nregs = ARRAY_SIZE(txp_regs);
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- ret = vc4_crtc_init(drm, pdev, vc4_crtc, &vc4_txp_crtc_data,
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+ ret = vc4_crtc_init(drm, pdev, vc4_crtc, &txp_data->base,
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&vc4_txp_crtc_funcs, &vc4_txp_crtc_helper_funcs, true);
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if (ret)
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return ret;
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@@ -584,7 +593,7 @@ 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,bcm2835-txp" },
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+ { .compatible = "brcm,bcm2835-txp", .data = &vc4_txp_data },
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{ /* sentinel */ },
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};
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