On Wed, 2014-02-12 at 19:24 +0200, Imre Deak wrote: > On Fri, 2014-02-07 at 19:58 +0100, Daniel Vetter wrote: > > On Fri, Feb 07, 2014 at 05:58:16PM +0200, Ville Syrjälä wrote: > > > On Fri, Feb 07, 2014 at 08:43:12PM +0530, Vijay Purushothaman wrote: > > > > B-spec says the FIFO total size is 512. So fix this to 512. > > > > > > > > Signed-off-by: Vijay Purushothaman <vijay.a.purushothaman@xxxxxxxxx> > > > > --- > > > > drivers/gpu/drm/i915/i915_reg.h | 2 +- > > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > > > > index cc3ea04..fb73031 100644 > > > > --- a/drivers/gpu/drm/i915/i915_reg.h > > > > +++ b/drivers/gpu/drm/i915/i915_reg.h > > > > @@ -3395,7 +3395,7 @@ > > > > #define I915_FIFO_LINE_SIZE 64 > > > > #define I830_FIFO_LINE_SIZE 32 > > > > > > > > -#define VALLEYVIEW_FIFO_SIZE 255 > > > > +#define VALLEYVIEW_FIFO_SIZE 511 > > > > #define G4X_FIFO_SIZE 127 > > > > #define I965_FIFO_SIZE 512 > > > > #define I945_FIFO_SIZE 127 > > > > > > Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > > > Queued for -next, thanks for the patch. > > -Daniel > > This breaks DP on my BYT, I get bad flicker with it. Reverting only this > one fixes the issue. Adding Vijay. --Imre
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