diff options
Diffstat (limited to 'include/drm/display/drm_dp_helper.h')
| -rw-r--r-- | include/drm/display/drm_dp_helper.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index e4ca35143ff9..87caa4f1fdb8 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -523,10 +523,16 @@ struct drm_dp_aux { * @no_zero_sized: If the hw can't use zero sized transfers (NVIDIA) */ bool no_zero_sized; + + /** + * @dpcd_probe_disabled: If probing before a DPCD access is disabled. + */ + bool dpcd_probe_disabled; }; int drm_dp_dpcd_probe(struct drm_dp_aux *aux, unsigned int offset); void drm_dp_dpcd_set_powered(struct drm_dp_aux *aux, bool powered); +void drm_dp_dpcd_set_probe(struct drm_dp_aux *aux, bool enable); ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset, void *buffer, size_t size); ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset, @@ -837,6 +843,7 @@ drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) * @lsb_reg_used: Do we also write values to the DP_EDP_BACKLIGHT_BRIGHTNESS_LSB register? * @aux_enable: Does the panel support the AUX enable cap? * @aux_set: Does the panel support setting the brightness through AUX? + * @luminance_set: Does the panel support setting the brightness through AUX using luminance values? * * This structure contains various data about an eDP backlight, which can be populated by using * drm_edp_backlight_init(). @@ -844,21 +851,23 @@ drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) struct drm_edp_backlight_info { u8 pwmgen_bit_count; u8 pwm_freq_pre_divider; - u16 max; + u32 max; bool lsb_reg_used : 1; bool aux_enable : 1; bool aux_set : 1; + bool luminance_set : 1; }; int drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl, + u32 max_luminance, u16 driver_pwm_freq_hz, const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE], - u16 *current_level, u8 *current_mode); + u32 *current_level, u8 *current_mode, bool need_luminance); int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl, - u16 level); + u32 level); int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl, - u16 level); + u32 level); int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl); #if IS_ENABLED(CONFIG_DRM_KMS_HELPER) && (IS_BUILTIN(CONFIG_BACKLIGHT_CLASS_DEVICE) || \ |