Messages in this thread | | | Date | Thu, 18 Aug 2016 15:46:34 +0100 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] drm: bridge/dw-hdmi: Fix colorspace and scan information registers values |
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On Thu, Aug 18, 2016 at 03:34:12PM +0100, Jose Abreu wrote: > Colorspace and scan information values were being written in wrong > offsets. This patch corrects this and writes the values at the > offsets specified in the databook. > > Signed-off-by: Jose Abreu <joabreu@synopsys.com> > Cc: Carlos Palminha <palminha@synopsys.com> > Cc: David Airlie <airlied@linux.ie> > Cc: Russell King <rmk+kernel@arm.linux.org.uk> > Cc: Daniel Vetter <daniel.vetter@ffwll.ch> > Cc: dri-devel@lists.freedesktop.org > Cc: linux-kernel@vger.kernel.org
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Thanks.
> --- > drivers/gpu/drm/bridge/dw-hdmi.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c > index 77ab473..cdf39aa 100644 > --- a/drivers/gpu/drm/bridge/dw-hdmi.c > +++ b/drivers/gpu/drm/bridge/dw-hdmi.c > @@ -940,10 +940,11 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode) > */ > > /* > - * AVI data byte 1 differences: Colorspace in bits 4,5 rather than 5,6, > - * active aspect present in bit 6 rather than 4. > + * AVI data byte 1 differences: Colorspace in bits 0,1 rather than 5,6, > + * scan info in bits 4,5 rather than 0,1 and active aspect present in > + * bit 6 rather than 4. > */ > - val = (frame.colorspace & 3) << 4 | (frame.scan_mode & 0x3); > + val = (frame.scan_mode & 3) << 4 | (frame.colorspace & 3); > if (frame.active_aspect & 15) > val |= HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT; > if (frame.top_bar || frame.bottom_bar) > -- > 2.1.4 >
-- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.
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