Messages in this thread | | | Date | Fri, 3 May 2024 14:13:37 +0200 | Subject | Re: [PATCH 1/2] drm/rockchip: vop2: fix rk3588 dp+dsi maxclk verification | From | Quentin Schulz <> |
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Hi Heiko,
On 4/25/24 9:55 PM, Heiko Stuebner wrote: > From: Heiko Stuebner <heiko.stuebner@cherry.de> > > The clock is in Hz while the value checked against is in kHz, so > actual frequencies will never be able to be below to max value. > Fix this by specifying the max-value in Hz too. > > Fixes: 5a028e8f062f ("drm/rockchip: vop2: Add support for rk3588") > Signed-off-by: Heiko Stuebner <heiko.stuebner@cherry.de> > --- > drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c > index 9bee1fd88e6a2..523880a4e8e74 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c > @@ -1719,7 +1719,7 @@ static unsigned long rk3588_calc_cru_cfg(struct vop2_video_port *vp, int id, > else > dclk_out_rate = v_pixclk >> 2; > > - dclk_rate = rk3588_calc_dclk(dclk_out_rate, 600000); > + dclk_rate = rk3588_calc_dclk(dclk_out_rate, 600000000); > if (!dclk_rate) { > drm_err(vop2->drm, "DP dclk_out_rate out of range, dclk_out_rate: %ld KHZ\n",
It seems the error message is incorrect as well and should be saying Hz instead of KHz. (note also the lowercase z).
> dclk_out_rate); > @@ -1736,7 +1736,7 @@ static unsigned long rk3588_calc_cru_cfg(struct vop2_video_port *vp, int id, > * dclk_rate = N * dclk_core_rate N = (1,2,4 ), > * we get a little factor here > */ > - dclk_rate = rk3588_calc_dclk(dclk_out_rate, 600000); > + dclk_rate = rk3588_calc_dclk(dclk_out_rate, 600000000); > if (!dclk_rate) { > drm_err(vop2->drm, "MIPI dclk out of range, dclk_out_rate: %ld KHZ\n",
Ditto.
Otherwise,
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Thanks! Quentin
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