diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_dsi.c | 46 |
1 files changed, 11 insertions, 35 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c index 5eb293bdb363..458e5d987964 100644 --- a/drivers/gpu/drm/vc4/vc4_dsi.c +++ b/drivers/gpu/drm/vc4/vc4_dsi.c @@ -552,8 +552,6 @@ struct vc4_dsi { struct vc4_encoder encoder; struct mipi_dsi_host dsi_host; - struct kref kref; - struct platform_device *pdev; struct drm_bridge *out_bridge; @@ -800,7 +798,7 @@ dsi_esc_timing(u32 ns) } static void vc4_dsi_bridge_disable(struct drm_bridge *bridge, - struct drm_bridge_state *state) + struct drm_atomic_state *state) { struct vc4_dsi *dsi = bridge_to_vc4_dsi(bridge); u32 disp0_ctrl; @@ -811,7 +809,7 @@ static void vc4_dsi_bridge_disable(struct drm_bridge *bridge, } static void vc4_dsi_bridge_post_disable(struct drm_bridge *bridge, - struct drm_bridge_state *state) + struct drm_atomic_state *state) { struct vc4_dsi *dsi = bridge_to_vc4_dsi(bridge); struct device *dev = &dsi->pdev->dev; @@ -873,9 +871,8 @@ static bool vc4_dsi_bridge_mode_fixup(struct drm_bridge *bridge, } static void vc4_dsi_bridge_pre_enable(struct drm_bridge *bridge, - struct drm_bridge_state *old_state) + struct drm_atomic_state *state) { - struct drm_atomic_state *state = old_state->base.state; struct vc4_dsi *dsi = bridge_to_vc4_dsi(bridge); const struct drm_crtc_state *crtc_state; struct device *dev = &dsi->pdev->dev; @@ -1143,7 +1140,7 @@ static void vc4_dsi_bridge_pre_enable(struct drm_bridge *bridge, } static void vc4_dsi_bridge_enable(struct drm_bridge *bridge, - struct drm_bridge_state *old_state) + struct drm_atomic_state *state) { struct vc4_dsi *dsi = bridge_to_vc4_dsi(bridge); bool debug_dump_regs = false; @@ -1161,12 +1158,13 @@ static void vc4_dsi_bridge_enable(struct drm_bridge *bridge, } static int vc4_dsi_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct vc4_dsi *dsi = bridge_to_vc4_dsi(bridge); /* Attach the panel or bridge to the dsi bridge */ - return drm_bridge_attach(bridge->encoder, dsi->out_bridge, + return drm_bridge_attach(encoder, dsi->out_bridge, &dsi->bridge, flags); } @@ -1622,29 +1620,11 @@ static void vc4_dsi_dma_chan_release(void *ptr) dsi->reg_dma_chan = NULL; } -static void vc4_dsi_release(struct kref *kref) -{ - struct vc4_dsi *dsi = - container_of(kref, struct vc4_dsi, kref); - - kfree(dsi); -} - -static void vc4_dsi_get(struct vc4_dsi *dsi) -{ - kref_get(&dsi->kref); -} - -static void vc4_dsi_put(struct vc4_dsi *dsi) -{ - kref_put(&dsi->kref, &vc4_dsi_release); -} - static void vc4_dsi_release_action(struct drm_device *drm, void *ptr) { struct vc4_dsi *dsi = ptr; - vc4_dsi_put(dsi); + drm_bridge_put(&dsi->bridge); } static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) @@ -1655,7 +1635,7 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data) struct drm_encoder *encoder = &dsi->encoder.base; int ret; - vc4_dsi_get(dsi); + drm_bridge_get(&dsi->bridge); ret = drmm_add_action_or_reset(drm, vc4_dsi_release_action, dsi); if (ret) @@ -1810,15 +1790,12 @@ static int vc4_dsi_dev_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct vc4_dsi *dsi; - dsi = kzalloc(sizeof(*dsi), GFP_KERNEL); - if (!dsi) - return -ENOMEM; + dsi = devm_drm_bridge_alloc(&pdev->dev, struct vc4_dsi, bridge, &vc4_dsi_bridge_funcs); + if (IS_ERR(dsi)) + return PTR_ERR(dsi); dev_set_drvdata(dev, dsi); - kref_init(&dsi->kref); - dsi->pdev = pdev; - dsi->bridge.funcs = &vc4_dsi_bridge_funcs; #ifdef CONFIG_OF dsi->bridge.of_node = dev->of_node; #endif @@ -1836,7 +1813,6 @@ static void vc4_dsi_dev_remove(struct platform_device *pdev) struct vc4_dsi *dsi = dev_get_drvdata(dev); mipi_dsi_host_unregister(&dsi->dsi_host); - vc4_dsi_put(dsi); } struct platform_driver vc4_dsi_driver = { |