| Message ID | 20250225135114.801884-1-alexander.stein@ew.tq-group.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [1/1] drm/bridge: ti-sn65dsi83: Support negative DE polarity | expand |
On Tue, Feb 25, 2025 at 02:51:13PM +0100, Alexander Stein wrote: > Polarity for DE is stored in bridge state. Use this flag for setting > the DE polarity in the bridge. > > Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> > --- > drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 ++ > 1 file changed, 2 insertions(+) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Hi Alexander, On Tue, 25 Feb 2025 14:51:13 +0100 Alexander Stein <alexander.stein@ew.tq-group.com> wrote: > Polarity for DE is stored in bridge state. Use this flag for setting > the DE polarity in the bridge. > > Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> > --- > drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c > index 54ad462d17ef7..95563aa1b450d 100644 > --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c > +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c > @@ -561,6 +561,8 @@ static void sn65dsi83_atomic_pre_enable(struct drm_bridge *bridge, > REG_LVDS_FMT_HS_NEG_POLARITY : 0) | > (mode->flags & DRM_MODE_FLAG_NVSYNC ? > REG_LVDS_FMT_VS_NEG_POLARITY : 0); > + val |= bridge_state->output_bus_cfg.flags & DRM_BUS_FLAG_DE_LOW ? > + REG_LVDS_FMT_DE_NEG_POLARITY : 0; > > /* Set up bits-per-pixel, 18bpp or 24bpp. */ > if (lvds_format_24bpp) { Tested without regression on my system. Tested-by: Herve Codina <herve.codina@bootlin.com> Best regards, Hervé
On Tue, 25 Feb 2025 14:51:13 +0100, Alexander Stein wrote: > Polarity for DE is stored in bridge state. Use this flag for setting > the DE polarity in the bridge. > > Applied, thanks! [1/1] drm/bridge: ti-sn65dsi83: Support negative DE polarity (no commit info) Rob
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 54ad462d17ef7..95563aa1b450d 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -561,6 +561,8 @@ static void sn65dsi83_atomic_pre_enable(struct drm_bridge *bridge, REG_LVDS_FMT_HS_NEG_POLARITY : 0) | (mode->flags & DRM_MODE_FLAG_NVSYNC ? REG_LVDS_FMT_VS_NEG_POLARITY : 0); + val |= bridge_state->output_bus_cfg.flags & DRM_BUS_FLAG_DE_LOW ? + REG_LVDS_FMT_DE_NEG_POLARITY : 0; /* Set up bits-per-pixel, 18bpp or 24bpp. */ if (lvds_format_24bpp) {
Polarity for DE is stored in bridge state. Use this flag for setting the DE polarity in the bridge. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 ++ 1 file changed, 2 insertions(+)