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drm/probe-helper: abstract .get_modes() connector helper call

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Abstract the .get_modes() connector helper call, including the
override/firmware EDID fallback, for clarity.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/a4de51efc246e4f5bcbf7b84d66bb49aaf7fd974.1654674560.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2022-06-08 10:50:37 +03:00
parent 6537f79a2a
commit 019fd800cf
1 changed files with 19 additions and 10 deletions
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29
drivers/gpu/drm/drm_probe_helper.c
View file

@ -354,6 +354,24 @@ drm_helper_probe_detect(struct drm_connector *connector,
}
EXPORT_SYMBOL(drm_helper_probe_detect);
static int drm_helper_probe_get_modes(struct drm_connector *connector)
{
const struct drm_connector_helper_funcs *connector_funcs =
connector->helper_private;
int count;
count = connector_funcs->get_modes(connector);
/*
* Fallback for when DDC probe failed in drm_get_edid() and thus skipped
* override/firmware EDID.
*/
if (count == 0 && connector->status == connector_status_connected)
count = drm_add_override_edid_modes(connector);
return count;
}
static int __drm_helper_update_and_validate(struct drm_connector *connector,
uint32_t maxX, uint32_t maxY,
struct drm_modeset_acquire_ctx *ctx)
@ -473,8 +491,6 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
{
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode;
const struct drm_connector_helper_funcs *connector_funcs =
connector->helper_private;
int count = 0, ret;
enum drm_connector_status old_status;
struct drm_modeset_acquire_ctx ctx;
@ -559,14 +575,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
goto exit;
}
count = (*connector_funcs->get_modes)(connector);
/*
* Fallback for when DDC probe failed in drm_get_edid() and thus skipped
* override/firmware EDID.
*/
if (count == 0 && connector->status == connector_status_connected)
count = drm_add_override_edid_modes(connector);
count = drm_helper_probe_get_modes(connector);
if (count == 0 && (connector->status == connector_status_connected ||
connector->status == connector_status_unknown)) {