diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2017-09-18 21:20:03 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-09-19 18:11:45 +0300 |
| commit | ac6c35a4d8c77083525044a192cb1a8711381e94 (patch) | |
| tree | cde1cb4004507f0ee09bcb2895c14b165c29b067 /drivers/gpu/drm/drm_kms_helper_common.c | |
| parent | 53fd40a90f3c0bdad86ec266ee5df833f54ace39 (diff) | |
drm: add backwards compatibility support for drm_kms_helper.edid_firmware
Add drm_kms_helper.edid_firmware module parameter with param ops hooks
to set drm.edid_firmware instead, for backwards compatibility.
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170918182003.22238-2-jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_kms_helper_common.c')
| -rw-r--r-- | drivers/gpu/drm/drm_kms_helper_common.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_kms_helper_common.c b/drivers/gpu/drm/drm_kms_helper_common.c index 6e35a56a6102..93e2b30fe1a5 100644 --- a/drivers/gpu/drm/drm_kms_helper_common.c +++ b/drivers/gpu/drm/drm_kms_helper_common.c @@ -26,6 +26,7 @@ */ #include <linux/module.h> +#include <drm/drmP.h> #include "drm_crtc_helper_internal.h" @@ -33,6 +34,33 @@ MODULE_AUTHOR("David Airlie, Jesse Barnes"); MODULE_DESCRIPTION("DRM KMS helper"); MODULE_LICENSE("GPL and additional rights"); +#if IS_ENABLED(CONFIG_DRM_LOAD_EDID_FIRMWARE) + +/* Backward compatibility for drm_kms_helper.edid_firmware */ +static int edid_firmware_set(const char *val, const struct kernel_param *kp) +{ + DRM_NOTE("drm_kms_firmware.edid_firmware is deprecated, please use drm.edid_firmware intead.\n"); + + return __drm_set_edid_firmware_path(val); +} + +static int edid_firmware_get(char *buffer, const struct kernel_param *kp) +{ + return __drm_get_edid_firmware_path(buffer, PAGE_SIZE); +} + +static const struct kernel_param_ops edid_firmware_ops = { + .set = edid_firmware_set, + .get = edid_firmware_get, +}; + +module_param_cb(edid_firmware, &edid_firmware_ops, NULL, 0644); +__MODULE_PARM_TYPE(edid_firmware, "charp"); +MODULE_PARM_DESC(edid_firmware, + "DEPRECATED. Use drm.edid_firmware module parameter instead."); + +#endif + static int __init drm_kms_helper_init(void) { int ret; |