From fb8d617f8fd64f52f62e4f782aed64d1754ed33b Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 23 Mar 2021 23:50:08 +0200 Subject: drm/bridge: Centralize error message when bridge attach fails Being informed of a failure to attach a bridge is useful, and many drivers prints an error message in that case. Move the message to drm_bridge_attach() to avoid code duplication. Suggested-by: Stephen Boyd Signed-off-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen Reviewed-by: Jyri Sarha --- drivers/gpu/drm/kmb/kmb_dsi.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/gpu/drm/kmb') diff --git a/drivers/gpu/drm/kmb/kmb_dsi.c b/drivers/gpu/drm/kmb/kmb_dsi.c index 231041b269f5..1793cd31b117 100644 --- a/drivers/gpu/drm/kmb/kmb_dsi.c +++ b/drivers/gpu/drm/kmb/kmb_dsi.c @@ -1441,7 +1441,6 @@ int kmb_dsi_encoder_init(struct drm_device *dev, struct kmb_dsi *kmb_dsi) ret = drm_bridge_attach(encoder, adv_bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) { - DRM_ERROR("failed to attach bridge to MIPI\n"); drm_encoder_cleanup(encoder); return ret; } -- cgit v1.3.1 From 58889cdc39cf456dc097012364a30e84602ec97d Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Tue, 3 Aug 2021 11:06:56 +0200 Subject: drm/kmb: Convert to Linux IRQ interfaces Drop the DRM IRQ midlayer in favor of Linux IRQ interfaces. DRM's IRQ helpers are mostly useful for UMS drivers. Modern KMS drivers don't benefit from using it. DRM IRQ callbacks are now being called directly or inlined. Signed-off-by: Thomas Zimmermann Acked-by: Sam Ravnborg Tested-by: Anitha Chrisanthus Link: https://patchwork.freedesktop.org/patch/msgid/20210803090704.32152-7-tzimmermann@suse.de --- drivers/gpu/drm/kmb/kmb_drv.c | 26 ++++++++++++++++++++------ 1 file changed, 20 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/kmb') diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c index 96ea1a2c11dd..be192f6da9f1 100644 --- a/drivers/gpu/drm/kmb/kmb_drv.c +++ b/drivers/gpu/drm/kmb/kmb_drv.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include @@ -399,14 +398,29 @@ static void kmb_irq_reset(struct drm_device *drm) kmb_write_lcd(to_kmb(drm), LCD_INT_ENABLE, 0); } +static int kmb_irq_install(struct drm_device *drm, unsigned int irq) +{ + if (irq == IRQ_NOTCONNECTED) + return -ENOTCONN; + + kmb_irq_reset(drm); + + return request_irq(irq, kmb_isr, 0, drm->driver->name, drm); +} + +static void kmb_irq_uninstall(struct drm_device *drm) +{ + struct kmb_drm_private *kmb = to_kmb(drm); + + kmb_irq_reset(drm); + free_irq(kmb->irq_lcd, drm); +} + DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver kmb_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = kmb_isr, - .irq_preinstall = kmb_irq_reset, - .irq_uninstall = kmb_irq_reset, /* GEM Operations */ .fops = &fops, DRM_GEM_CMA_DRIVER_OPS_VMAP, @@ -428,7 +442,7 @@ static int kmb_remove(struct platform_device *pdev) of_node_put(kmb->crtc.port); kmb->crtc.port = NULL; pm_runtime_get_sync(drm->dev); - drm_irq_uninstall(drm); + kmb_irq_uninstall(drm); pm_runtime_put_sync(drm->dev); pm_runtime_disable(drm->dev); @@ -518,7 +532,7 @@ static int kmb_probe(struct platform_device *pdev) if (ret) goto err_free; - ret = drm_irq_install(&kmb->drm, kmb->irq_lcd); + ret = kmb_irq_install(&kmb->drm, kmb->irq_lcd); if (ret < 0) { drm_err(&kmb->drm, "failed to install IRQ handler\n"); goto err_irq; -- cgit v1.3.1