diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-10-25 20:15:51 +0300 |
|---|---|---|
| committer | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-11-27 17:37:20 +0300 |
| commit | 5aab428cfe588a8ea952684c60530dfff71b2b42 (patch) | |
| tree | 15545c53dea94d8ff84afda028cec45467f34d25 /drivers/gpu/drm/vc4 | |
| parent | 7dc41ea6c021ca5c393de9ad06227bcd3d077eec (diff) | |
| download | linux-5aab428cfe588a8ea952684c60530dfff71b2b42.tar.xz | |
drm/vc4: txp: Add support for BCM2712 MOP
The BCM2712 has an evolution of what used to be called TXP in the
earlier SoCs, but is now called MOP.
There's a few differences still, so we can add a new compatible to deal
with them easily.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-20-35efa83c8fc0@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Diffstat (limited to 'drivers/gpu/drm/vc4')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_txp.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c index 2979d141f3bb..0fb8a57652b5 100644 --- a/drivers/gpu/drm/vc4/vc4_txp.c +++ b/drivers/gpu/drm/vc4/vc4_txp.c @@ -386,6 +386,7 @@ static const struct drm_connector_funcs vc4_txp_connector_funcs = { static void vc4_txp_encoder_disable(struct drm_encoder *encoder) { struct drm_device *drm = encoder->dev; + struct vc4_dev *vc4 = to_vc4_dev(drm); struct vc4_txp *txp = encoder_to_vc4_txp(encoder); int idx; @@ -404,7 +405,8 @@ static void vc4_txp_encoder_disable(struct drm_encoder *encoder) WARN_ON(TXP_READ(TXP_DST_CTRL) & TXP_BUSY); } - TXP_WRITE(TXP_DST_CTRL, TXP_POWERDOWN); + if (vc4->gen < VC4_GEN_6_C) + TXP_WRITE(TXP_DST_CTRL, TXP_POWERDOWN); drm_dev_exit(idx); } @@ -508,6 +510,20 @@ static irqreturn_t vc4_txp_interrupt(int irq, void *data) return IRQ_HANDLED; } +static const struct vc4_txp_data bcm2712_mop_data = { + .base = { + .name = "mop", + .debugfs_name = "mop_regs", + .hvs_available_channels = BIT(2), + .hvs_output = 2, + }, + .encoder_type = VC4_ENCODER_TYPE_TXP0, + .high_addr_ptr_reg = TXP_DST_PTR_HIGH_MOP, + .has_byte_enable = true, + .size_minus_one = true, + .supports_40bit_addresses = true, +}; + const struct vc4_txp_data bcm2835_txp_data = { .base = { .name = "txp", @@ -613,6 +629,7 @@ static void vc4_txp_remove(struct platform_device *pdev) } static const struct of_device_id vc4_txp_dt_match[] = { + { .compatible = "brcm,bcm2712-mop", .data = &bcm2712_mop_data }, { .compatible = "brcm,bcm2835-txp", .data = &bcm2835_txp_data }, { /* sentinel */ }, }; |