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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 <damien.lespiau@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-10-25 00:11:11 +01:00 committed by Daniel Vetter
parent 3f20df9887
commit c5d974728f
1 changed files with 5 additions and 6 deletions
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11
drivers/gpu/drm/i915/intel_display.c
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@ -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),