On Wed, Jan 10, 2018 at 02:03:21PM +0100, Daniel Vetter wrote: > On Fri, Dec 22, 2017 at 09:22:29PM +0200, Ville Syrjala wrote: > > From: Ville Syrjälä <[email protected]> > > > > SKL+ "sprites" no longer have 16KB max stride limit that earlier > > platforms had. Bump up the limit to 32KB. > > > > Cc: Ben Widawsky <[email protected]> > > Cc: Jason Ekstrand <[email protected]> > > Cc: Daniel Stone <[email protected]> > > Signed-off-by: Ville Syrjälä <[email protected]> > > --- > > drivers/gpu/drm/i915/intel_sprite.c | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/i915/intel_sprite.c > > b/drivers/gpu/drm/i915/intel_sprite.c > > index cb06acff283d..94188488db05 100644 > > --- a/drivers/gpu/drm/i915/intel_sprite.c > > +++ b/drivers/gpu/drm/i915/intel_sprite.c > > @@ -865,6 +865,7 @@ intel_check_sprite_plane(struct intel_plane *plane, > > struct drm_rect *src = &state->base.src; > > struct drm_rect *dst = &state->base.dst; > > const struct drm_rect *clip = &state->clip; > > + int max_stride = INTEL_GEN(dev_priv) >= 9 ? 32768 : 16384; > > int hscale, vscale; > > int max_scale, min_scale; > > bool can_scale; > > @@ -885,7 +886,7 @@ intel_check_sprite_plane(struct intel_plane *plane, > > } > > > > /* FIXME check all gen limits */ > > - if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > 16384) { > > + if (fb->width < 3 || fb->height < 3 || fb->pitches[0] > max_stride) { > > DRM_DEBUG_KMS("Unsuitable framebuffer for plane\n"); > > return -EINVAL; > > Since pre-gen9 sprites are special, and since we're already validating the > overall sprite limits in intel_fb_pitch_limit I'd push this into a new if > condition like > > if (gen < 9 && pichtes[0] > KB(16)) { > DRM_DEBUG_KMS("Invalid stride\n"); > return -EINVAL; > }
I think we'll want to clean up this mess by moving a lot of these checks into platform specific code. We're also missing a bunch of checks we should be doing (eg. cdclk vs. scaling limits on ilk-ivb). > > With or without that bikeshed: > > Reviewed-by: Daniel Vetter <[email protected]> > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
