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drm/i915/skl: Support Y tiling in MMIO flips 

Add Y tiling support to skl_do_mmio_flip.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Damien Lespiau <damien.lespiau@intel.com>
Cc: Sonika Jindal <sonika.jindal@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Tvrtko Ursulin 2015-04-20 16:22:48 +01:00 committed by Daniel Vetter
parent 7df113e473
commit 2ebef630fd
1 changed files with 17 additions and 6 deletions
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23
drivers/gpu/drm/i915/intel_display.c
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@ -10556,23 +10556,34 @@ static void skl_do_mmio_flip(struct intel_crtc *intel_crtc)
struct drm_device *dev = intel_crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_framebuffer *fb = intel_crtc->base.primary->fb;
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
struct drm_i915_gem_object *obj = intel_fb->obj;
const enum pipe pipe = intel_crtc->pipe;
u32 ctl, stride;
ctl = I915_READ(PLANE_CTL(pipe, 0));
ctl &= ~PLANE_CTL_TILED_MASK;
if (obj->tiling_mode == I915_TILING_X)
switch (fb->modifier[0]) {
case DRM_FORMAT_MOD_NONE:
break;
case I915_FORMAT_MOD_X_TILED:
ctl |= PLANE_CTL_TILED_X;
break;
case I915_FORMAT_MOD_Y_TILED:
ctl |= PLANE_CTL_TILED_Y;
break;
case I915_FORMAT_MOD_Yf_TILED:
ctl |= PLANE_CTL_TILED_YF;
break;
default:
MISSING_CASE(fb->modifier[0]);
}
/*
* The stride is either expressed as a multiple of 64 bytes chunks for
* linear buffers or in number of tiles for tiled buffers.
*/
stride = fb->pitches[0] >> 6;
if (obj->tiling_mode == I915_TILING_X)
stride = fb->pitches[0] >> 9; /* X tiles are 512 bytes wide */
stride = fb->pitches[0] /
intel_fb_stride_alignment(dev, fb->modifier[0],
fb->pixel_format);
/*
* Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on