drm/i915: Remove unnecessary test on the gen in intel_do_mmio_flip()

use_mmio_flip() makes sure we only enable MMIO flips on gen5+. So we
don't need to take into account older devices.

Signed-off-by: Damien Lespiau <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 140bbefaac8d68805de7a2759d7bfb6b91604a20..46224c6307cb660779fe1a8fbaa433bdffb1d2b6 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9567,12 +9567,11 @@ static void intel_do_mmio_flip(struct intel_crtc *intel_crtc)
        reg = DSPCNTR(intel_crtc->plane);
        dspcntr = I915_READ(reg);
 
-       if (INTEL_INFO(dev)->gen >= 4) {
-               if (obj->tiling_mode != I915_TILING_NONE)
-                       dspcntr |= DISPPLANE_TILED;
-               else
-                       dspcntr &= ~DISPPLANE_TILED;
-       }
+       if (obj->tiling_mode != I915_TILING_NONE)
+               dspcntr |= DISPPLANE_TILED;
+       else
+               dspcntr &= ~DISPPLANE_TILED;
+
        I915_WRITE(reg, dspcntr);
 
        I915_WRITE(DSPSURF(intel_crtc->plane),