Am Freitag, 31. Mai 2024, 22:27:21 CEST schrieb Marek Vasut: > In case an upstream bridge modified the required clock frequency > in its .atomic_check callback by setting adjusted_mode.clock , > make sure that clock frequency is generated by the LCDIFv3 block. > > This is useful e.g. when LCDIFv3 feeds DSIM which feeds TC358767 > with (e)DP output, where the TC358767 expects precise timing on > its input side, the precise timing must be generated by the LCDIF. > > Signed-off-by: Marek Vasut <marex@xxxxxxx> With the other rc358767 patches in place, this does the trick. Reviewed-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx> > --- > Cc: Daniel Vetter <daniel@xxxxxxxx> > Cc: David Airlie <airlied@xxxxxxxxx> > Cc: Fabio Estevam <festevam@xxxxxxxxx> > Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > Cc: Lukas F. Hartmann <lukas@xxxxxxxxx> > Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx> > Cc: Maxime Ripard <mripard@xxxxxxxxxx> > Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx> > Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > Cc: Shawn Guo <shawnguo@xxxxxxxxxx> > Cc: Stefan Agner <stefan@xxxxxxxx> > Cc: Thomas Zimmermann <tzimmermann@xxxxxxx> > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: imx@xxxxxxxxxxxxxxx > Cc: kernel@xxxxxxxxxxxxxxxxxx > Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > --- > drivers/gpu/drm/mxsfb/lcdif_kms.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/mxsfb/lcdif_kms.c b/drivers/gpu/drm/mxsfb/lcdif_kms.c > index 2541d2de4e45f..dbd42cc1da87f 100644 > --- a/drivers/gpu/drm/mxsfb/lcdif_kms.c > +++ b/drivers/gpu/drm/mxsfb/lcdif_kms.c > @@ -407,8 +407,7 @@ static void lcdif_crtc_mode_set_nofb(struct drm_crtc_state *crtc_state, > struct drm_display_mode *m = &crtc_state->adjusted_mode; > > DRM_DEV_DEBUG_DRIVER(drm->dev, "Pixel clock: %dkHz (actual: %dkHz)\n", > - m->crtc_clock, > - (int)(clk_get_rate(lcdif->clk) / 1000)); > + m->clock, (int)(clk_get_rate(lcdif->clk) / 1000)); > DRM_DEV_DEBUG_DRIVER(drm->dev, "Bridge bus_flags: 0x%08X\n", > lcdif_crtc_state->bus_flags); > DRM_DEV_DEBUG_DRIVER(drm->dev, "Mode flags: 0x%08X\n", m->flags); > @@ -538,7 +537,7 @@ static void lcdif_crtc_atomic_enable(struct drm_crtc *crtc, > struct drm_device *drm = lcdif->drm; > dma_addr_t paddr; > > - clk_set_rate(lcdif->clk, m->crtc_clock * 1000); > + clk_set_rate(lcdif->clk, m->clock * 1000); > > pm_runtime_get_sync(drm->dev); > > -- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/
