Re: [PATCH] drm/vc4: hdmi: Block odd horizontal timings

2020-10-30 Thread Maxime Ripard
On Thu, Oct 29, 2020 at 10:49:22AM +, Dave Stevenson wrote: > On Thu, 29 Oct 2020 at 09:17, Maxime Ripard wrote: > > > > Hi! > > > > On Wed, Oct 28, 2020 at 01:42:20PM +, Dave Stevenson wrote: > > > Hi Maxime > > > > > > On Fri, 25 Sep 2020 at 14:00, Maxime Ripard wrote: > > > > > > > > T

Re: [PATCH] drm/vc4: hdmi: Block odd horizontal timings

2020-10-30 Thread Maxime Ripard
Hi! On Wed, Oct 28, 2020 at 01:42:20PM +, Dave Stevenson wrote: > Hi Maxime > > On Fri, 25 Sep 2020 at 14:00, Maxime Ripard wrote: > > > > The FIFO between the pixelvalve and the HDMI controller runs at 2 pixels > > per clock cycle, and cannot deal with odd timings. > > > > Let's reject any

Re: [PATCH] drm/vc4: hdmi: Block odd horizontal timings

2020-10-29 Thread Dave Stevenson
On Thu, 29 Oct 2020 at 09:17, Maxime Ripard wrote: > > Hi! > > On Wed, Oct 28, 2020 at 01:42:20PM +, Dave Stevenson wrote: > > Hi Maxime > > > > On Fri, 25 Sep 2020 at 14:00, Maxime Ripard wrote: > > > > > > The FIFO between the pixelvalve and the HDMI controller runs at 2 pixels > > > per cl

Re: [PATCH] drm/vc4: hdmi: Block odd horizontal timings

2020-10-28 Thread Dave Stevenson
Hi Maxime On Fri, 25 Sep 2020 at 14:00, Maxime Ripard wrote: > > The FIFO between the pixelvalve and the HDMI controller runs at 2 pixels > per clock cycle, and cannot deal with odd timings. > > Let's reject any mode with such timings. > > Signed-off-by: Maxime Ripard It's unsupported due to th

[PATCH] drm/vc4: hdmi: Block odd horizontal timings

2020-09-28 Thread Maxime Ripard
The FIFO between the pixelvalve and the HDMI controller runs at 2 pixels per clock cycle, and cannot deal with odd timings. Let's reject any mode with such timings. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_hdmi.c | 12 drivers/gpu/drm/vc4/vc4_hdmi.h | 3 +++ 2 file