diff options
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_dsi.c | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c index b7b2c76770dc..72889524540e 100644 --- a/drivers/gpu/drm/vc4/vc4_dsi.c +++ b/drivers/gpu/drm/vc4/vc4_dsi.c @@ -549,10 +549,11 @@ struct vc4_dsi_variant { /* General DSI hardware state. */ struct vc4_dsi { + struct vc4_encoder encoder; + struct mipi_dsi_host dsi_host; + struct platform_device *pdev; - struct mipi_dsi_host dsi_host; - struct drm_encoder *encoder; struct drm_bridge *bridge; struct list_head bridge_chain; @@ -600,6 +601,12 @@ struct vc4_dsi { #define host_to_dsi(host) container_of(host, struct vc4_dsi, dsi_host) +static inline struct vc4_dsi * +to_vc4_dsi(struct drm_encoder *encoder) +{ + return container_of(encoder, struct vc4_dsi, encoder.base); +} + static inline void dsi_dma_workaround_write(struct vc4_dsi *dsi, u32 offset, u32 val) { @@ -644,18 +651,6 @@ dsi_dma_workaround_write(struct vc4_dsi *dsi, u32 offset, u32 val) DSI_WRITE(dsi->variant->port ? DSI1_##offset : DSI0_##offset, val) #define DSI_PORT_BIT(bit) (dsi->variant->port ? DSI1_##bit : DSI0_##bit) -/* VC4 DSI encoder KMS struct */ -struct vc4_dsi_encoder { - struct vc4_encoder base; - struct vc4_dsi *dsi; -}; - -static inline struct vc4_dsi_encoder * -to_vc4_dsi_encoder(struct drm_encoder *encoder) -{ - return container_of(encoder, struct vc4_dsi_encoder, base.base); -} - static const struct debugfs_reg32 dsi0_regs[] = { VC4_REG32(DSI0_CTRL), VC4_REG32(DSI0_STAT), @@ -795,8 +790,7 @@ dsi_esc_timing(u32 ns) static void vc4_dsi_encoder_disable(struct drm_encoder *encoder) { - struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder); - struct vc4_dsi *dsi = vc4_encoder->dsi; + struct vc4_dsi *dsi = to_vc4_dsi(encoder); struct device *dev = &dsi->pdev->dev; struct drm_bridge *iter; @@ -839,8 +833,7 @@ static bool vc4_dsi_encoder_mode_fixup(struct drm_encoder *encoder, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { - struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder); - struct vc4_dsi *dsi = vc4_encoder->dsi; + struct vc4_dsi *dsi = to_vc4_dsi(encoder); struct clk *phy_parent = clk_get_parent(dsi->pll_phy_clock); unsigned long parent_rate = clk_get_rate(phy_parent); unsigned long pixel_clock_hz = mode->clock * 1000; @@ -875,8 +868,7 @@ static bool vc4_dsi_encoder_mode_fixup(struct drm_encoder *encoder, static void vc4_dsi_encoder_enable(struct drm_encoder *encoder) { struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode; - struct vc4_dsi_encoder *vc4_encoder = to_vc4_dsi_encoder(encoder); - struct vc4_dsi *dsi = vc4_encoder->dsi; + struct vc4_dsi *dsi = to_vc4_dsi(encoder); struct device *dev = &dsi->pdev->dev; bool debug_dump_regs = false; struct drm_bridge *iter; @@ -1569,21 +1561,14 @@ static int vc4_dsi_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); struct vc4_dsi *dsi = dev_get_drvdata(dev); - struct vc4_dsi_encoder *vc4_dsi_encoder; + struct drm_encoder *encoder = &dsi->encoder.base; int ret; dsi->variant = of_device_get_match_data(dev); - vc4_dsi_encoder = devm_kzalloc(dev, sizeof(*vc4_dsi_encoder), - GFP_KERNEL); - if (!vc4_dsi_encoder) - return -ENOMEM; - INIT_LIST_HEAD(&dsi->bridge_chain); - vc4_dsi_encoder->base.type = dsi->variant->port ? - VC4_ENCODER_TYPE_DSI1 : VC4_ENCODER_TYPE_DSI0; - vc4_dsi_encoder->dsi = dsi; - dsi->encoder = &vc4_dsi_encoder->base.base; + dsi->encoder.type = dsi->variant->port ? + VC4_ENCODER_TYPE_DSI1 : VC4_ENCODER_TYPE_DSI0; dsi->regs = vc4_ioremap_regs(pdev, 0); if (IS_ERR(dsi->regs)) @@ -1702,10 +1687,10 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) if (ret) return ret; - drm_simple_encoder_init(drm, dsi->encoder, DRM_MODE_ENCODER_DSI); - drm_encoder_helper_add(dsi->encoder, &vc4_dsi_encoder_helper_funcs); + drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_DSI); + drm_encoder_helper_add(encoder, &vc4_dsi_encoder_helper_funcs); - ret = drm_bridge_attach(dsi->encoder, dsi->bridge, NULL, 0); + ret = drm_bridge_attach(encoder, dsi->bridge, NULL, 0); if (ret) return ret; /* Disable the atomic helper calls into the bridge. We @@ -1713,7 +1698,7 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) * from our driver, since we need to sequence them within the * encoder's enable/disable paths. */ - list_splice_init(&dsi->encoder->bridge_chain, &dsi->bridge_chain); + list_splice_init(&encoder->bridge_chain, &dsi->bridge_chain); vc4_debugfs_add_regset32(drm, dsi->variant->debugfs_name, &dsi->regset); @@ -1726,6 +1711,7 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master, void *data) { struct vc4_dsi *dsi = dev_get_drvdata(dev); + struct drm_encoder *encoder = &dsi->encoder.base; pm_runtime_disable(dev); @@ -1733,8 +1719,8 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master, * Restore the bridge_chain so the bridge detach procedure can happen * normally. */ - list_splice_init(&dsi->bridge_chain, &dsi->encoder->bridge_chain); - drm_encoder_cleanup(dsi->encoder); + list_splice_init(&dsi->bridge_chain, &encoder->bridge_chain); + drm_encoder_cleanup(encoder); } static const struct component_ops vc4_dsi_ops = { |