Messages in this thread | | | From | Benjamin Gaignard <> | Date | Wed, 8 Jul 2020 11:49:59 +0200 | Subject | Re: [PATCH] drm/stm: ltdc: remove call of pm-runtime functions |
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Le jeu. 2 juil. 2020 à 14:18, Philippe CORNU <philippe.cornu@st.com> a écrit : > > > > On 7/1/20 2:04 PM, Yannick Fertre wrote: > > It is not necessary to suspend or stop the ltdc clocks > > to modify the pixel clock. > > > > Signed-off-by: Yannick Fertre <yannick.fertre@st.com> > > --- > > drivers/gpu/drm/stm/ltdc.c | 16 ---------------- > > 1 file changed, 16 deletions(-) > > > > diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c > > index 3f590d916e91..6e28f707092f 100644 > > --- a/drivers/gpu/drm/stm/ltdc.c > > +++ b/drivers/gpu/drm/stm/ltdc.c > > @@ -506,15 +506,7 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, > > struct drm_display_mode *adjusted_mode) > > { > > struct ltdc_device *ldev = crtc_to_ltdc(crtc); > > - struct drm_device *ddev = crtc->dev; > > int rate = mode->clock * 1000; > > - bool runtime_active; > > - int ret; > > - > > - runtime_active = pm_runtime_active(ddev->dev); > > - > > - if (runtime_active) > > - pm_runtime_put_sync(ddev->dev); > > > > if (clk_set_rate(ldev->pixel_clk, rate) < 0) { > > DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate); > > @@ -523,14 +515,6 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc, > > > > adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000; > > > > - if (runtime_active) { > > - ret = pm_runtime_get_sync(ddev->dev); > > - if (ret) { > > - DRM_ERROR("Failed to fixup mode, cannot get sync\n"); > > - return false; > > - } > > - } > > - > > DRM_DEBUG_DRIVER("requested clock %dkHz, adjusted clock %dkHz\n", > > mode->clock, adjusted_mode->clock); > > > > > Hi Yannick, > Many thanks for your patch, > Acked-by: Philippe Cornu <philippe.cornu@st.com> > Philippe :-)
Applied on drm-misc-next.
Thanks, Benjamin
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