[PATCH v1 2/2] drm/atmel-hlcdc: Convert to Linux IRQ interfaces
From: Sam Ravnborg <hidden>
Date: 2021-07-11 09:21:29
Also in:
dri-devel
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for atmel hlcdc, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Manikandan Muralidharan, Dharma Balasubiramani, Linus Torvalds
The drm mid-layer for irq's is not relevant for atomic display drivers, and will be available only for legacy drivers in the future. Drop usage in the atmel hlcdc driver. Signed-off-by: Sam Ravnborg <redacted> Cc: Sam Ravnborg <redacted> Cc: Boris Brezillon <bbrezillon@kernel.org> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Cc: linux-arm-kernel@lists.infradead.org --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
index f67363188cbc..6b3f353e1cc7 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c@@ -22,7 +22,6 @@ #include <drm/drm_fb_helper.h> #include <drm/drm_gem_cma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> -#include <drm/drm_irq.h> #include <drm/drm_probe_helper.h> #include <drm/drm_vblank.h>
@@ -521,9 +520,8 @@ atmel_hlcdc_dc_mode_valid(struct atmel_hlcdc_dc *dc, return MODE_OK; } -static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) +static int atmel_hlcdc_dc_irq_postinstall(struct atmel_hlcdc_dc *dc) { - struct atmel_hlcdc_dc *dc = dev->dev_private; unsigned int cfg = 0; int i;
@@ -538,9 +536,8 @@ static int atmel_hlcdc_dc_irq_postinstall(struct drm_device *dev) return 0; } -static void atmel_hlcdc_dc_irq_uninstall(struct drm_device *dev) +static void atmel_hlcdc_dc_irq_reset(struct atmel_hlcdc_dc *dc) { - struct atmel_hlcdc_dc *dc = dev->dev_private; unsigned int isr; regmap_write(dc->hlcdc->regmap, ATMEL_HLCDC_IDR, 0xffffffff);
@@ -672,12 +669,14 @@ static int atmel_hlcdc_dc_load(struct drm_device *dev) drm_mode_config_reset(dev); pm_runtime_get_sync(dev->dev); - ret = drm_irq_install(dev, dc->hlcdc->irq); + atmel_hlcdc_dc_irq_reset(dc); + ret = request_irq(dc->hlcdc->irq, atmel_hlcdc_dc_irq_handler, 0, dev->driver->name, dev); pm_runtime_put_sync(dev->dev); if (ret < 0) { dev_err(dev->dev, "failed to install IRQ handler\n"); goto err_periph_clk_disable; } + atmel_hlcdc_dc_irq_postinstall(dc); platform_set_drvdata(pdev, dev);
@@ -701,7 +700,9 @@ static void atmel_hlcdc_dc_unload(struct drm_device *dev) drm_mode_config_cleanup(dev); pm_runtime_get_sync(dev->dev); - drm_irq_uninstall(dev); + + atmel_hlcdc_dc_irq_reset(dc); + free_irq(dc->hlcdc->irq, dev); pm_runtime_put_sync(dev->dev); dev->dev_private = NULL;
@@ -714,10 +715,6 @@ DEFINE_DRM_GEM_CMA_FOPS(fops); static const struct drm_driver atmel_hlcdc_dc_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .irq_handler = atmel_hlcdc_dc_irq_handler, - .irq_preinstall = atmel_hlcdc_dc_irq_uninstall, - .irq_postinstall = atmel_hlcdc_dc_irq_postinstall, - .irq_uninstall = atmel_hlcdc_dc_irq_uninstall, DRM_GEM_CMA_DRIVER_OPS, .fops = &fops, .name = "atmel-hlcdc",
--
2.30.2
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