diff options
| author | Dave Stevenson <dave.stevenson@raspberrypi.com> | 2020-09-03 10:00:34 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-09-07 18:01:44 +0200 |
| commit | c54619b0bfb35c4153b3fb34916a6fa50dcf2dc1 (patch) | |
| tree | 06047f4fa31871422e742b7fbdef9c3280ee02e6 /drivers/gpu/drm/vc4/vc4_hvs.c | |
| parent | 3ac929e722c4899d26516bec49f947b4c49b3f76 (diff) | |
| download | linux-c54619b0bfb35c4153b3fb34916a6fa50dcf2dc1.tar.gz | |
drm/vc4: Add support for the BCM2711 HVS5
The HVS found in the BCM2711 is slightly different from the previous
generations.
Most notably, the display list layout changes a bit, the LBM doesn't have
the same size and the formats ordering for some formats is swapped.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1d02fab3b916d639c2dc05608c117bbd8230ebe8.1599120059.git-series.maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hvs.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_hvs.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c index 2d2bf59c0503..836d8799d79e 100644 --- a/drivers/gpu/drm/vc4/vc4_hvs.c +++ b/drivers/gpu/drm/vc4/vc4_hvs.c @@ -277,11 +277,19 @@ void vc4_hvs_atomic_enable(struct drm_crtc *crtc, * mode. */ dispctrl = SCALER_DISPCTRLX_ENABLE; - dispctrl |= VC4_SET_FIELD(mode->hdisplay, - SCALER_DISPCTRLX_WIDTH) | - VC4_SET_FIELD(mode->vdisplay, - SCALER_DISPCTRLX_HEIGHT) | - (oneshot ? SCALER_DISPCTRLX_ONESHOT : 0); + + if (!vc4->hvs->hvs5) + dispctrl |= VC4_SET_FIELD(mode->hdisplay, + SCALER_DISPCTRLX_WIDTH) | + VC4_SET_FIELD(mode->vdisplay, + SCALER_DISPCTRLX_HEIGHT) | + (oneshot ? SCALER_DISPCTRLX_ONESHOT : 0); + else + dispctrl |= VC4_SET_FIELD(mode->hdisplay, + SCALER5_DISPCTRLX_WIDTH) | + VC4_SET_FIELD(mode->vdisplay, + SCALER5_DISPCTRLX_HEIGHT) | + (oneshot ? SCALER5_DISPCTRLX_ONESHOT : 0); HVS_WRITE(SCALER_DISPCTRLX(vc4_crtc->channel), dispctrl); } @@ -521,6 +529,9 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) hvs->pdev = pdev; + if (of_device_is_compatible(pdev->dev.of_node, "brcm,bcm2711-hvs")) + hvs->hvs5 = true; + hvs->regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(hvs->regs)) return PTR_ERR(hvs->regs); @@ -529,7 +540,10 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) hvs->regset.regs = hvs_regs; hvs->regset.nregs = ARRAY_SIZE(hvs_regs); - hvs->dlist = hvs->regs + SCALER_DLIST_START; + if (!hvs->hvs5) + hvs->dlist = hvs->regs + SCALER_DLIST_START; + else + hvs->dlist = hvs->regs + SCALER5_DLIST_START; spin_lock_init(&hvs->mm_lock); @@ -547,7 +561,12 @@ static int vc4_hvs_bind(struct device *dev, struct device *master, void *data) * between planes when they don't overlap on the screen, but * for now we just allocate globally. */ - drm_mm_init(&hvs->lbm_mm, 0, 96 * 1024); + if (!hvs->hvs5) + /* 96kB */ + drm_mm_init(&hvs->lbm_mm, 0, 96 * 1024); + else + /* 70k words */ + drm_mm_init(&hvs->lbm_mm, 0, 70 * 2 * 1024); /* Upload filter kernels. We only have the one for now, so we * keep it around for the lifetime of the driver. @@ -632,6 +651,7 @@ static int vc4_hvs_dev_remove(struct platform_device *pdev) } static const struct of_device_id vc4_hvs_dt_match[] = { + { .compatible = "brcm,bcm2711-hvs" }, { .compatible = "brcm,bcm2835-hvs" }, {} }; |