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SubjectRe: [PATCH v2 36/41] drm/sun4i: tv: Merge mode_set into atomic_enable
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Dne ponedeljek, 29. avgust 2022 ob 15:11:50 CEST je Maxime Ripard napisal(a):
> Our mode_set implementation can be merged into our atomic_enable
> implementation to simplify things, so let's do this.

Are you sure this is a good thing in long term? What if user wants to change
mode? Unlikely, but why not.

Best regards,
Jernej

>
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
>
> diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c
> b/drivers/gpu/drm/sun4i/sun4i_tv.c
> index f7aad995ab5b..3944da9a3c34 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_tv.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
> @@ -359,23 +359,13 @@ static void sun4i_tv_enable(struct drm_encoder
> *encoder,
{
> struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
> struct sun4i_crtc *crtc = drm_crtc_to_sun4i_crtc(encoder->crtc);
> -
> - DRM_DEBUG_DRIVER("Enabling the TV Output\n");
> -
> - sunxi_engine_apply_color_correction(crtc->engine);
> -
> - regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
> - SUN4I_TVE_EN_ENABLE,
> - SUN4I_TVE_EN_ENABLE);
> -}
> -
> -static void sun4i_tv_mode_set(struct drm_encoder *encoder,
> - struct drm_display_mode *mode,
> - struct drm_display_mode
*adjusted_mode)
> -{
> - struct sun4i_tv *tv = drm_encoder_to_sun4i_tv(encoder);
> + struct drm_crtc_state *crtc_state =
> + drm_atomic_get_new_crtc_state(state, encoder->crtc);
> + struct drm_display_mode *mode = &crtc_state->mode;
> const struct tv_mode *tv_mode = sun4i_tv_find_tv_by_mode(mode);
>
> + DRM_DEBUG_DRIVER("Enabling the TV Output\n");
> +
> /* Enable and map the DAC to the output */
> regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
> SUN4I_TVE_EN_DAC_MAP_MASK,
> @@ -468,12 +458,17 @@ static void sun4i_tv_mode_set(struct drm_encoder
> *encoder,
> SUN4I_TVE_RESYNC_FIELD : 0));
>
> regmap_write(tv->regs, SUN4I_TVE_SLAVE_REG, 0);
> +
> + sunxi_engine_apply_color_correction(crtc->engine);
> +
> + regmap_update_bits(tv->regs, SUN4I_TVE_EN_REG,
> + SUN4I_TVE_EN_ENABLE,
> + SUN4I_TVE_EN_ENABLE);
> }
>
> static const struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
> .atomic_disable = sun4i_tv_disable,
> .atomic_enable = sun4i_tv_enable,
> - .mode_set = sun4i_tv_mode_set,
> };
>
> static int sun4i_tv_comp_get_modes(struct drm_connector *connector)
>
> --
> b4 0.10.0-dev-65ba7



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