From: Maxime Ripard maxime.ripard@bootlin.com
The COEF_RDY bit is used to tell the hardware that new FIR filters coefficients have been written to the registers and that the hardware should take them into account starting next frame.
Signed-off-by: Maxime Ripard maxime.ripard@bootlin.com Signed-off-by: Paul Kocialkowski paul.kocialkowski@bootlin.com --- drivers/gpu/drm/sun4i/sun4i_frontend.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index 6636b1998a76..7a1095b004d4 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -96,6 +96,10 @@ static void sun4i_frontend_scaler_init(struct sun4i_frontend *frontend) sun4i_frontend_vert_coef[i]); }
+ regmap_write_bits(frontend->regs, + SUN4I_FRONTEND_FRM_CTRL_REG, + SUN4I_FRONTEND_FRM_CTRL_COEF_RDY, + SUN4I_FRONTEND_FRM_CTRL_COEF_RDY); }
int sun4i_frontend_init(struct sun4i_frontend *frontend)