drm/komeda: Add komeda_crtc_mode_valid/fixup

	komeda_crtc_do_flush(crtc, old);

}

static enum drm_mode_status

komeda_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *m)

{

	struct komeda_dev *mdev = crtc->dev->dev_private;

	struct komeda_crtc *kcrtc = to_kcrtc(crtc);

	struct komeda_pipeline *master = kcrtc->master;

	long mode_clk, pxlclk;

	if (m->flags & DRM_MODE_FLAG_INTERLACE)

		return MODE_NO_INTERLACE;

	/* main clock/AXI clk must be faster than pxlclk*/

	mode_clk = m->clock * 1000;

	pxlclk = clk_round_rate(master->pxlclk, mode_clk);

	if (pxlclk != mode_clk) {

		DRM_DEBUG_ATOMIC("pxlclk doesn't support %ld Hz\n", mode_clk);

		return MODE_NOCLOCK;

	}

	if (clk_round_rate(mdev->mclk, mode_clk) < pxlclk) {

		DRM_DEBUG_ATOMIC("mclk can't satisfy the requirement of %s-clk: %ld.\n",

				 m->name, pxlclk);

		return MODE_CLOCK_HIGH;

	}

	if (clk_round_rate(master->aclk, mode_clk) < pxlclk) {

		DRM_DEBUG_ATOMIC("aclk can't satisfy the requirement of %s-clk: %ld.\n",

				 m->name, pxlclk);

		return MODE_CLOCK_HIGH;

	}

	return MODE_OK;

}

static bool komeda_crtc_mode_fixup(struct drm_crtc *crtc,

				   const struct drm_display_mode *m,

				   struct drm_display_mode *adjusted_mode)

{

	struct komeda_crtc *kcrtc = to_kcrtc(crtc);

	struct komeda_pipeline *master = kcrtc->master;

	long mode_clk = m->clock * 1000;

	adjusted_mode->clock = clk_round_rate(master->pxlclk, mode_clk) / 1000;

	return true;

}

struct drm_crtc_helper_funcs komeda_crtc_helper_funcs = {

	.atomic_check	= komeda_crtc_atomic_check,

	.atomic_flush	= komeda_crtc_atomic_flush,

	.mode_valid	= komeda_crtc_mode_valid,

	.mode_fixup	= komeda_crtc_mode_fixup,

};

static const struct drm_crtc_funcs komeda_crtc_funcs = {