[PATCH 07/13] drm/dp: Change argument type for drm_edp_backlight_set_level
Suraj Kandpal
suraj.kandpal at intel.com
Fri Apr 11 04:29:03 UTC 2025
Use u32 for level variable as one may need to pass value for
DP_EDP_PANEL_TARGET_LUMINANCE_VALUE.
Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
---
drivers/gpu/drm/display/drm_dp_helper.c | 6 +++---
include/drm/display/drm_dp_helper.h | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c
index bb1242a1bf6b..895ed4a22fc3 100644
--- a/drivers/gpu/drm/display/drm_dp_helper.c
+++ b/drivers/gpu/drm/display/drm_dp_helper.c
@@ -3933,7 +3933,7 @@ EXPORT_SYMBOL(drm_dp_pcon_convert_rgb_to_ycbcr);
* Returns: %0 on success, negative error code on failure
*/
int drm_edp_backlight_set_level(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl,
- u16 level)
+ u32 level)
{
int ret;
u8 buf[2] = { 0 };
@@ -4047,7 +4047,7 @@ int drm_edp_backlight_enable(struct drm_dp_aux *aux, const struct drm_edp_backli
return ret < 0 ? ret : -EIO;
}
- ret = drm_edp_backlight_set_level(aux, bl, level);
+ ret = drm_edp_backlight_set_level(aux, bl, (u32)level);
if (ret < 0)
return ret;
ret = drm_edp_backlight_set_enable(aux, bl, true);
@@ -4327,7 +4327,7 @@ static int dp_aux_backlight_update_status(struct backlight_device *bd)
bl->enabled = true;
return 0;
}
- ret = drm_edp_backlight_set_level(bl->aux, &bl->info, brightness);
+ ret = drm_edp_backlight_set_level(bl->aux, &bl->info, (u32)brightness);
} else {
if (bl->enabled) {
drm_edp_backlight_disable(bl->aux, &bl->info);
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 62be80417ded..6bce0176efd3 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -853,7 +853,7 @@ drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl
u16 driver_pwm_freq_hz, const u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE],
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);
int drm_edp_backlight_disable(struct drm_dp_aux *aux, const struct drm_edp_backlight_info *bl);
--
2.34.1
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