Add support for mode_fixup for the tidss CRTC.
Some bridges like the cdns-dsi consume the crtc_* timing parameters for
programming the blanking values. Allow for the normal timing parameters
to get copied to crtc_* timing params.
Signed-off-by: Aradhya Bhatia <a-bhatia1@xxxxxx>
---
drivers/gpu/drm/tidss/tidss_crtc.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c
index 94f8e3178df5..797ef53d9ad2 100644
--- a/drivers/gpu/drm/tidss/tidss_crtc.c
+++ b/drivers/gpu/drm/tidss/tidss_crtc.c
@@ -309,12 +309,23 @@ enum drm_mode_status tidss_crtc_mode_valid(struct drm_crtc *crtc,
return dispc_vp_mode_valid(tidss->dispc, tcrtc->hw_videoport, mode);
}
+static
+bool tidss_crtc_mode_fixup(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ drm_mode_set_crtcinfo(adjusted_mode, 0);
+
+ return true;
+}
+
static const struct drm_crtc_helper_funcs tidss_crtc_helper_funcs = {
.atomic_check = tidss_crtc_atomic_check,
.atomic_flush = tidss_crtc_atomic_flush,
.atomic_enable = tidss_crtc_atomic_enable,
.atomic_disable = tidss_crtc_atomic_disable,
+ .mode_fixup = tidss_crtc_mode_fixup,
.mode_valid = tidss_crtc_mode_valid,
};
--
2.34.1
