Hi,
Le sam., juil. 10 2021 at 08:33:47 +0200, Sam Ravnborg
<sam@xxxxxxxxxxxx> a écrit :
Hi Thomas,
On Tue, Jul 06, 2021 at 09:44:09AM +0200, Thomas Zimmermann wrote:
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.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
index c296472164d9..a09b7da21b53 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c
@@ -33,7 +33,6 @@
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_irq.h>
#include <drm/drm_managed.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
@@ -799,8 +798,6 @@ static const struct drm_driver
ingenic_drm_driver_data = {
.fops = &ingenic_drm_fops,
.gem_create_object = ingenic_drm_gem_create_object,
DRM_GEM_CMA_DRIVER_OPS,
-
- .irq_handler = ingenic_drm_irq_handler,
};
static const struct drm_plane_funcs
ingenic_drm_primary_plane_funcs = {
@@ -1098,7 +1095,7 @@ static int ingenic_drm_bind(struct device
*dev, bool has_components)
encoder->possible_clones = clone_mask;
}
- ret = drm_irq_install(drm, irq);
+ ret = request_irq(irq, ingenic_drm_irq_handler, 0,
drm->driver->name, drm);
Can't you use the devm variant?
if (ret) {
dev_err(dev, "Unable to install IRQ handler\n");
return ret;
@@ -1192,14 +1189,18 @@ static void ingenic_drm_unbind(struct
device *dev)
{
struct ingenic_drm *priv = dev_get_drvdata(dev);
struct clk *parent_clk = clk_get_parent(priv->pix_clk);
+ struct drm_device *drm = &priv->drm;
+ struct platform_device *pdev = to_platform_device(drm->dev);
+
+ free_irq(platform_get_irq(pdev, 0), drm);
The driver was missing a drm_irq_uninstall() so the above code is
actually a small bug-fix. It should be mentioned in the changelog.
With this fixed:
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Note: I expect Paul to review too and apply.
I wasn't Cc'd? :(
-Paul
Sam
clk_notifier_unregister(parent_clk, &priv->clock_nb);
if (priv->lcd_clk)
clk_disable_unprepare(priv->lcd_clk);
clk_disable_unprepare(priv->pix_clk);
- drm_dev_unregister(&priv->drm);
- drm_atomic_helper_shutdown(&priv->drm);
+ drm_dev_unregister(drm);
+ drm_atomic_helper_shutdown(drm);
}
static const struct component_master_ops ingenic_master_ops = {
--
2.32.0
