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SubjectRe: [PATCH 3/9] drm/arm/hdlcd: use new debugfs device-centered functions
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On 12/26/22 12:50, Maíra Canal wrote:
> Replace the use of drm_debugfs_create_files() with the new
> drm_debugfs_add_files() function, which center the debugfs files
> management on the drm_device instead of drm_minor. Moreover, remove the
> debugfs_init hook and add the debugfs files directly on hdlcd_drm_bind(),
> before drm_dev_register().
>
> Signed-off-by: Maíra Canal <mcanal@igalia.com>

Applied to drm/drm-misc (drm-misc-next).

Best Regards,
- Maíra Canal

> ---
> drivers/gpu/drm/arm/hdlcd_drv.c | 24 +++++++++---------------
> 1 file changed, 9 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
> index 7043d1c9ed8f..e3507dd6f82a 100644
> --- a/drivers/gpu/drm/arm/hdlcd_drv.c
> +++ b/drivers/gpu/drm/arm/hdlcd_drv.c
> @@ -195,8 +195,8 @@ static int hdlcd_setup_mode_config(struct drm_device *drm)
> #ifdef CONFIG_DEBUG_FS
> static int hdlcd_show_underrun_count(struct seq_file *m, void *arg)
> {
> - struct drm_info_node *node = (struct drm_info_node *)m->private;
> - struct drm_device *drm = node->minor->dev;
> + struct drm_debugfs_entry *entry = m->private;
> + struct drm_device *drm = entry->dev;
> struct hdlcd_drm_private *hdlcd = drm_to_hdlcd_priv(drm);
>
> seq_printf(m, "underrun : %d\n", atomic_read(&hdlcd->buffer_underrun_count));
> @@ -208,8 +208,8 @@ static int hdlcd_show_underrun_count(struct seq_file *m, void *arg)
>
> static int hdlcd_show_pxlclock(struct seq_file *m, void *arg)
> {
> - struct drm_info_node *node = (struct drm_info_node *)m->private;
> - struct drm_device *drm = node->minor->dev;
> + struct drm_debugfs_entry *entry = m->private;
> + struct drm_device *drm = entry->dev;
> struct hdlcd_drm_private *hdlcd = drm_to_hdlcd_priv(drm);
> unsigned long clkrate = clk_get_rate(hdlcd->clk);
> unsigned long mode_clock = hdlcd->crtc.mode.crtc_clock * 1000;
> @@ -219,17 +219,10 @@ static int hdlcd_show_pxlclock(struct seq_file *m, void *arg)
> return 0;
> }
>
> -static struct drm_info_list hdlcd_debugfs_list[] = {
> +static struct drm_debugfs_info hdlcd_debugfs_list[] = {
> { "interrupt_count", hdlcd_show_underrun_count, 0 },
> { "clocks", hdlcd_show_pxlclock, 0 },
> };
> -
> -static void hdlcd_debugfs_init(struct drm_minor *minor)
> -{
> - drm_debugfs_create_files(hdlcd_debugfs_list,
> - ARRAY_SIZE(hdlcd_debugfs_list),
> - minor->debugfs_root, minor);
> -}
> #endif
>
> DEFINE_DRM_GEM_DMA_FOPS(fops);
> @@ -237,9 +230,6 @@ DEFINE_DRM_GEM_DMA_FOPS(fops);
> static const struct drm_driver hdlcd_driver = {
> .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
> DRM_GEM_DMA_DRIVER_OPS,
> -#ifdef CONFIG_DEBUG_FS
> - .debugfs_init = hdlcd_debugfs_init,
> -#endif
> .fops = &fops,
> .name = "hdlcd",
> .desc = "ARM HDLCD Controller DRM",
> @@ -303,6 +293,10 @@ static int hdlcd_drm_bind(struct device *dev)
> drm_mode_config_reset(drm);
> drm_kms_helper_poll_init(drm);
>
> +#ifdef CONFIG_DEBUG_FS
> + drm_debugfs_add_files(drm, hdlcd_debugfs_list, ARRAY_SIZE(hdlcd_debugfs_list));
> +#endif
> +
> ret = drm_dev_register(drm, 0);
> if (ret)
> goto err_register;

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