| Message ID | 20230528140001.1057084-3-adrian.larumbe@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add additional YUV420 bus format check for dw-meson's bridge enable | expand |
On 28/05/2023 16:00, Adrián Larumbe wrote: > The current output bus format selection logic is enforcing YUV420 even > when the drm mode allows for other bus formats as well. > Fix it by adding check for 420-only drm modes. > > Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> > --- > drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c > index d59a547f9cb2..1afb8f2603a0 100644 > --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c > +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c > @@ -2710,9 +2710,10 @@ static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge, > /* Default 8bit fallback */ > output_fmts[i++] = MEDIA_BUS_FMT_UYYVYY8_0_5X24; > > - *num_output_fmts = i; > - > - return output_fmts; > + if (drm_mode_is_420_only(info, mode)) { > + *num_output_fmts = i; > + return output_fmts; > + } > } > > /* Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index d59a547f9cb2..1afb8f2603a0 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -2710,9 +2710,10 @@ static u32 *dw_hdmi_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge, /* Default 8bit fallback */ output_fmts[i++] = MEDIA_BUS_FMT_UYYVYY8_0_5X24; - *num_output_fmts = i; - - return output_fmts; + if (drm_mode_is_420_only(info, mode)) { + *num_output_fmts = i; + return output_fmts; + } } /*
The current output bus format selection logic is enforcing YUV420 even when the drm mode allows for other bus formats as well. Fix it by adding check for 420-only drm modes. Signed-off-by: Adrián Larumbe <adrian.larumbe@collabora.com> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)