From: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> 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@xxxxxxxxxxx> --- 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 368391a9e5fd..0e92f59efd49 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -95,6 +95,10 @@ 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) -- 2.19.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
