diff options
| author | Maxime Ripard <mripard@kernel.org> | 2024-10-25 18:15:44 +0100 |
|---|---|---|
| committer | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2024-11-27 14:37:20 +0000 |
| commit | 66fbec83678178736686d856a97d24998b0a3285 (patch) | |
| tree | 6fc889ededf9ebb9d009eec09f3ce5630f8a4272 | |
| parent | 0b1dbe82e051a6c0e360429a45fb3d8f52d57f7c (diff) | |
drm/vc4: txp: Introduce structure to deal with revision differences
The BCM2712 will have several TXP with small differences. Let's add a
structure tied to the compatible to deal with those differences.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241025-drm-vc4-2712-support-v2-13-35efa83c8fc0@raspberrypi.com
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
| -rw-r--r-- | drivers/gpu/drm/vc4/tests/vc4_mock.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_txp.c | 23 |
3 files changed, 23 insertions, 10 deletions
diff --git a/drivers/gpu/drm/vc4/tests/vc4_mock.c b/drivers/gpu/drm/vc4/tests/vc4_mock.c index 6527fb1db71e..c7b91c87f1bc 100644 --- a/drivers/gpu/drm/vc4/tests/vc4_mock.c +++ b/drivers/gpu/drm/vc4/tests/vc4_mock.c @@ -51,7 +51,7 @@ struct vc4_mock_desc { static const struct vc4_mock_desc vc4_mock = VC4_MOCK_DESC( - VC4_MOCK_CRTC_DESC(&vc4_txp_crtc_data, + VC4_MOCK_CRTC_DESC(&vc4_txp_data.base, VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP, DRM_MODE_ENCODER_VIRTUAL, DRM_MODE_CONNECTOR_WRITEBACK)), @@ -77,7 +77,7 @@ static const struct vc4_mock_desc vc4_mock = static const struct vc4_mock_desc vc5_mock = VC4_MOCK_DESC( - VC4_MOCK_CRTC_DESC(&vc4_txp_crtc_data, + VC4_MOCK_CRTC_DESC(&vc4_txp_data.base, VC4_MOCK_OUTPUT_DESC(VC4_ENCODER_TYPE_TXP, DRM_MODE_ENCODER_VIRTUAL, DRM_MODE_CONNECTOR_WRITEBACK)), diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index a68cea921c11..1ed1fb5aa7e8 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -536,7 +536,11 @@ struct vc4_crtc_data { int hvs_output; }; -extern const struct vc4_crtc_data vc4_txp_crtc_data; +struct vc4_txp_data { + struct vc4_crtc_data base; +}; + +extern const struct vc4_txp_data vc4_txp_data; struct vc4_pv_data { struct vc4_crtc_data base; diff --git a/drivers/gpu/drm/vc4/vc4_txp.c b/drivers/gpu/drm/vc4/vc4_txp.c index ffe1f7d1b911..dcb1b3fd37de 100644 --- a/drivers/gpu/drm/vc4/vc4_txp.c +++ b/drivers/gpu/drm/vc4/vc4_txp.c @@ -159,6 +159,7 @@ struct vc4_txp { struct vc4_crtc base; + const struct vc4_txp_data *data; struct platform_device *pdev; @@ -484,17 +485,20 @@ static irqreturn_t vc4_txp_interrupt(int irq, void *data) return IRQ_HANDLED; } -const struct vc4_crtc_data vc4_txp_crtc_data = { - .name = "txp", - .debugfs_name = "txp_regs", - .hvs_available_channels = BIT(2), - .hvs_output = 2, +const struct vc4_txp_data vc4_txp_data = { + .base = { + .name = "txp", + .debugfs_name = "txp_regs", + .hvs_available_channels = BIT(2), + .hvs_output = 2, + }, }; static int vc4_txp_bind(struct device *dev, struct device *master, void *data) { struct platform_device *pdev = to_platform_device(dev); struct drm_device *drm = dev_get_drvdata(master); + const struct vc4_txp_data *txp_data; struct vc4_encoder *vc4_encoder; struct drm_encoder *encoder; struct vc4_crtc *vc4_crtc; @@ -509,6 +513,11 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data) if (!txp) return -ENOMEM; + txp_data = of_device_get_match_data(dev); + if (!txp_data) + return -ENODEV; + + txp->data = txp_data; txp->pdev = pdev; txp->regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(txp->regs)) @@ -519,7 +528,7 @@ static int vc4_txp_bind(struct device *dev, struct device *master, void *data) vc4_crtc->regset.regs = txp_regs; vc4_crtc->regset.nregs = ARRAY_SIZE(txp_regs); - ret = vc4_crtc_init(drm, pdev, vc4_crtc, &vc4_txp_crtc_data, + ret = vc4_crtc_init(drm, pdev, vc4_crtc, &txp_data->base, &vc4_txp_crtc_funcs, &vc4_txp_crtc_helper_funcs, true); if (ret) return ret; @@ -579,7 +588,7 @@ static void vc4_txp_remove(struct platform_device *pdev) } static const struct of_device_id vc4_txp_dt_match[] = { - { .compatible = "brcm,bcm2835-txp" }, + { .compatible = "brcm,bcm2835-txp", .data = &vc4_txp_data }, { /* sentinel */ }, }; |