| Message ID | 1578471540-43322-1-git-send-email-tiantao6@hisilicon.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/hisilicon: add the mode_valid function | expand |
Hi Thomas Zimmermann: I will modify this patch and send v2 as you suggested. Thank you very much. Best -----邮件原件----- 发件人: Thomas Zimmermann [mailto:tzimmermann@suse.de] 发送时间: 2020年1月8日 16:49 收件人: tiantao (H) <tiantao6@hisilicon.com>; Chenfeng (puck) <puck.chen@hisilicon.com>; airlied@linux.ie; daniel@ffwll.ch; kraxel@redhat.com; alexander.deucher@amd.com; tglx@linutronix.de; dri-devel@lists.freedesktop.org; xinliang.liu@linaro.org; linux-kernel@vger.kernel.org 抄送: Linuxarm <linuxarm@huawei.com> 主题: Re: [PATCH] drm/hisilicon: add the mode_valid function 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@hisilicon.com> > Signed-off-by: Gong junjie <gongjunjie2@huawei.com> > --- > 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@suse.de> 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
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) +{ + int i = 0; + int vrefresh = drm_mode_vrefresh(mode); + + if (vrefresh < 59 || vrefresh > 61) + return MODE_NOMODE; + + 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; +} + + 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)