Merge tag 'drm-misc-next-2024-05-30' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-next

drm-misc-next for 6.11:

UAPI Changes:
  - Deprecate DRM date and return a 0 date in DRM_IOCTL_VERSION

Core Changes:
  - connector: Create a set of helpers to help with HDMI support
  - fbdev: Create memory manager optimized fbdev emulation
  - panic: Allow to select fonts, improve drm_fb_dma_get_scanout_buffer

Driver Changes:
  - Remove driver owner assignments
  - Allow more drivers to compile with COMPILE_TEST
  - Conversions to drm_edid
  - ivpu: hardware scheduler support, profiling support, improvements
    to the platform support layer
  - mgag200: general reworks and improvements
  - nouveau: Add NVreg_RegistryDwords command line option
  - rockchip: Conversion to the hdmi helpers
  - sun4i: Conversion to the hdmi helpers
  - vc4: Conversion to the hdmi helpers
  - v3d: Perf counters improvements
  - zynqmp: IRQ and debugfs improvements
  - bridge:
    - Remove redundant checks on bridge->encoder
  - panels:
    - Switch panels from register table initialization to proper code
    - Now that the panel code tracks the panel state, remove every
      ad-hoc implementation in the panel drivers
    - New panels: Lincoln Tech Sol LCD185-101CT, Microtips Technology
      13-101HIEBCAF0-C, Microtips Technology MF-103HIEB0GA0, BOE
      nv110wum-l60, IVO t109nw41

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240530-hilarious-flat-magpie-5fa186@houat

1 files changed, 2 insertions, 22 deletions

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index bd9b8ab4f82b..fb3bbb6adcd1 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -266,29 +266,9 @@ static ssize_t edid_show(struct file *filp, struct kobject *kobj,
 {
 	struct device *connector_dev = kobj_to_dev(kobj);
 	struct drm_connector *connector = to_drm_connector(connector_dev);
-	unsigned char *edid;
-	size_t size;
-	ssize_t ret = 0;
+	ssize_t ret;
 
-	mutex_lock(&connector->dev->mode_config.mutex);
-	if (!connector->edid_blob_ptr)
-		goto unlock;
-
-	edid = connector->edid_blob_ptr->data;
-	size = connector->edid_blob_ptr->length;
-	if (!edid)
-		goto unlock;
-
-	if (off >= size)
-		goto unlock;
-
-	if (off + count > size)
-		count = size - off;
-	memcpy(buf, edid + off, count);
-
-	ret = count;
-unlock:
-	mutex_unlock(&connector->dev->mode_config.mutex);
+	ret = drm_edid_connector_property_show(connector, buf, off, count);
 
 	return ret;
 }