Hi, here are a few more nits to fix. Am 08.01.20 um 09:19 schrieb Tian Tao: > add mode_valid function, and we can also use it to make suse the resolution > is valid. Start with capital 'Add' and make it a simple sentence. Change 'suse' to 'sure' > > Signed-off-by: Tian Tao <tiantao6@xxxxxxxxxxxxx> > Signed-off-by: Gong junjie <gongjunjie2@xxxxxxxxxx> > --- > drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c > index 843d784..6cb7a79 100644 > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c > @@ -242,6 +242,25 @@ static void hibmc_crtc_atomic_disable(struct drm_crtc *crtc, > hibmc_set_current_gate(priv, reg); > } > > +enum drm_mode_status hibmc_crtc_mode_valid(struct drm_crtc *crtc, > + const struct drm_display_mode *mode) Please declare this function as static. > +{ > + int i = 0; > + int vrefresh = drm_mode_vrefresh(mode); > + > + if (vrefresh < 59 || vrefresh > 61) > + return MODE_NOMODE; I'd return MODE_NOCLOCK or MODE_CLOCK_RANGE. > + > + for (i = 0; i < ARRAY_SIZE(hibmc_pll_table); i++) { > + if (hibmc_pll_table[i].hdisplay == mode->hdisplay && > + hibmc_pll_table[i].vdisplay == mode->vdisplay) > + return MODE_OK; > + } > + > + return MODE_NOMODE; Maybe return MODE_BAD. MODE_NOMODE apparently refers to a descriptive string for the mode. > +} > + > + One one empty line please. With these fixes applied, you can add my Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx> Best regards Thomas > static unsigned int format_pll_reg(void) > { > unsigned int pllreg = 0; > @@ -510,6 +529,7 @@ static const struct drm_crtc_helper_funcs hibmc_crtc_helper_funcs = { > .atomic_flush = hibmc_crtc_atomic_flush, > .atomic_enable = hibmc_crtc_atomic_enable, > .atomic_disable = hibmc_crtc_atomic_disable, > + .mode_valid = hibmc_crtc_mode_valid, > }; > > int hibmc_de_init(struct hibmc_drm_private *priv) > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer
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