Hi Alexey,
On 03-03-2017 13:27, Alexey Brodkin wrote:
>
> So if I understood you correct here what I really need is just to get rid of
> existing check,
> right? I.e. the following is to be in v2 respin:
> ------------------------------->8-------------------------------
> diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c
> b/drivers/gpu/drm/arc/arcpgu_crtc.c
> index ad9a95916f1f..86f1555914e8 100644
> --- a/drivers/gpu/drm/arc/arcpgu_crtc.c
> +++ b/drivers/gpu/drm/arc/arcpgu_crtc.c
> @@ -129,20 +129,6 @@ static void arc_pgu_crtc_disable(struct drm_crtc *crtc)
> ~ARCPGU_CTRL_ENABLE_MASK);
> }
>
> -static int arc_pgu_crtc_atomic_check(struct drm_crtc *crtc,
> - struct drm_crtc_state *state)
> -{
> - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
> - struct drm_display_mode *mode = &state->adjusted_mode;
> - long rate, clk_rate = mode->clock * 1000;
> -
> - rate = clk_round_rate(arcpgu->clk, clk_rate);
> - if (rate != clk_rate)
> - return -EINVAL;
> -
> - return 0;
> -}
> -
> static void arc_pgu_crtc_atomic_begin(struct drm_crtc *crtc,
> struct drm_crtc_state *state)
> {
> @@ -165,7 +151,6 @@ static const struct drm_crtc_helper_funcs
> arc_pgu_crtc_helper_funcs = {
> .disable = arc_pgu_crtc_disable,
> .prepare = arc_pgu_crtc_disable,
> .commit = arc_pgu_crtc_enable,
> - .atomic_check = arc_pgu_crtc_atomic_check,
> .atomic_begin = arc_pgu_crtc_atomic_begin,
> };
> ------------------------------->8-------------------------------
I don't think you can remove the check entirely as this will make
any mode be accepted, right?
Best regards,
Jose Miguel Abreu
