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| author | Julien Masson <jmasson@baylibre.com> | 2019-06-24 16:48:27 +0200 |
|---|---|---|
| committer | Neil Armstrong <narmstrong@baylibre.com> | 2019-08-09 11:38:28 +0200 |
| commit | bfb86819829e5ed5eaba4b9449ecfe6db4f9f91e (patch) | |
| tree | 41997bb4aed31abfc435b37e5ea774b8c9b8a600 /drivers/gpu/drm/meson/meson_drv.c | |
| parent | 39bf9985b8598f20a3bf49844d2ac538a0d5697f (diff) | |
| download | lwn-bfb86819829e5ed5eaba4b9449ecfe6db4f9f91e.tar.gz lwn-bfb86819829e5ed5eaba4b9449ecfe6db4f9f91e.zip | |
drm: meson: drv: use macro when initializing vpu
This patch add new macro which is used to set WRARB/RDARB mode of
the VPU.
Signed-off-by: Julien Masson <jmasson@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/86v9wv82f1.fsf@baylibre.com
Diffstat (limited to 'drivers/gpu/drm/meson/meson_drv.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_drv.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 42af49afdd75..ae0166181606 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -140,10 +140,28 @@ static struct regmap_config meson_regmap_config = { static void meson_vpu_init(struct meson_drm *priv) { - writel_relaxed(0x210000, priv->io_base + _REG(VPU_RDARB_MODE_L1C1)); - writel_relaxed(0x10000, priv->io_base + _REG(VPU_RDARB_MODE_L1C2)); - writel_relaxed(0x900000, priv->io_base + _REG(VPU_RDARB_MODE_L2C1)); - writel_relaxed(0x20000, priv->io_base + _REG(VPU_WRARB_MODE_L2C1)); + u32 value; + + /* + * Slave dc0 and dc5 connected to master port 1. + * By default other slaves are connected to master port 0. + */ + value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1) | + VPU_RDARB_SLAVE_TO_MASTER_PORT(5, 1); + writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C1)); + + /* Slave dc0 connected to master port 1 */ + value = VPU_RDARB_SLAVE_TO_MASTER_PORT(0, 1); + writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L1C2)); + + /* Slave dc4 and dc7 connected to master port 1 */ + value = VPU_RDARB_SLAVE_TO_MASTER_PORT(4, 1) | + VPU_RDARB_SLAVE_TO_MASTER_PORT(7, 1); + writel_relaxed(value, priv->io_base + _REG(VPU_RDARB_MODE_L2C1)); + + /* Slave dc1 connected to master port 1 */ + value = VPU_RDARB_SLAVE_TO_MASTER_PORT(1, 1); + writel_relaxed(value, priv->io_base + _REG(VPU_WRARB_MODE_L2C1)); } static void meson_remove_framebuffers(void) |