github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-22 14:12:07 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/display: bridge_connector: use drm_bridge_connector_mode_valid()

Browse Source 
Use new drm_bridge_connector_mode_valid() helper if there is a HDMI
bridge in the bridge chain. This removes the need to perform TMDS char
rate check manually in the bridge driver.

Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241130-hdmi-mode-valid-v5-7-742644ec3b1f@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Dmitry Baryshkov 2024-11-30 03:52:32 +02:00
parent d4581ae869
commit 54d7b7f9d6
1 changed files with 15 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/display/drm_bridge_connector.c
View File

@ -18,6 +18,7 @@
#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
#include <drm/display/drm_hdmi_helper.h>
#include <drm/display/drm_hdmi_state_helper.h>
/**
@ -299,9 +300,22 @@ static int drm_bridge_connector_get_modes(struct drm_connector *connector)
return 0;
}
static enum drm_mode_status
drm_bridge_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_bridge_connector *bridge_connector =
to_drm_bridge_connector(connector);
if (bridge_connector->bridge_hdmi)
return drm_hdmi_connector_mode_valid(connector, mode);
return MODE_OK;
}
static const struct drm_connector_helper_funcs drm_bridge_connector_helper_funcs = {
.get_modes = drm_bridge_connector_get_modes,
/* No need for .mode_valid(), the bridges are checked by the core. */
.mode_valid = drm_bridge_connector_mode_valid,
.enable_hpd = drm_bridge_connector_enable_hpd,
.disable_hpd = drm_bridge_connector_disable_hpd,
};