Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> On Wed, Nov 06, 2013 at 11:02:20PM +0200, ville.syrjala@xxxxxxxxxxxxxxx wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > The spec tells us that we need to emit an SRM after the LRI > to MSG_FBC_REND_STATE. > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/i915_reg.h | 1 + > drivers/gpu/drm/i915/intel_ringbuffer.c | 6 ++++-- > 2 files changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 0719c8b..7a4d3e1 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -235,6 +235,7 @@ > */ > #define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*x-1) > #define MI_STORE_REGISTER_MEM(x) MI_INSTR(0x24, 2*x-1) > +#define MI_SRM_LRM_GLOBAL_GTT (1<<22) > #define MI_FLUSH_DW MI_INSTR(0x26, 1) /* for GEN6 */ > #define MI_FLUSH_DW_STORE_INDEX (1<<21) > #define MI_INVALIDATE_TLB (1<<18) > diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c > index 752f208..4649bf5 100644 > --- a/drivers/gpu/drm/i915/intel_ringbuffer.c > +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c > @@ -285,14 +285,16 @@ static int gen7_ring_fbc_flush(struct intel_ring_buffer *ring, u32 value) > if (!ring->fbc_dirty) > return 0; > > - ret = intel_ring_begin(ring, 4); > + ret = intel_ring_begin(ring, 6); > if (ret) > return ret; > - intel_ring_emit(ring, MI_NOOP); > /* WaFbcNukeOn3DBlt:ivb/hsw */ > intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); > intel_ring_emit(ring, MSG_FBC_REND_STATE); > intel_ring_emit(ring, value); > + intel_ring_emit(ring, MI_STORE_REGISTER_MEM(1) | MI_SRM_LRM_GLOBAL_GTT); > + intel_ring_emit(ring, MSG_FBC_REND_STATE); > + intel_ring_emit(ring, ring->scratch.gtt_offset + 256); > intel_ring_advance(ring); > > ring->fbc_dirty = false; > -- > 1.8.1.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
