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drm/i915/skl: CS flips are not supported with execlists 

And skl only works in execlist mode, not in legacy ring submission.

Therefore remove dead code.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Tvrtko Ursulin 2015-02-10 17:16:12 +00:00 committed by Daniel Vetter
parent 30af77c4c8
commit ba343e029e
1 changed files with 4 additions and 68 deletions
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72
drivers/gpu/drm/i915/intel_display.c
View File

@ -9631,69 +9631,6 @@ static int intel_queue_mmio_flip(struct drm_device *dev,
return 0;
}
static int intel_gen9_queue_flip(struct drm_device *dev,
struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_i915_gem_object *obj,
struct intel_engine_cs *ring,
uint32_t flags)
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
uint32_t plane = 0, stride;
int ret;
switch(intel_crtc->pipe) {
case PIPE_A:
plane = MI_DISPLAY_FLIP_SKL_PLANE_1_A;
break;
case PIPE_B:
plane = MI_DISPLAY_FLIP_SKL_PLANE_1_B;
break;
case PIPE_C:
plane = MI_DISPLAY_FLIP_SKL_PLANE_1_C;
break;
default:
WARN_ONCE(1, "unknown plane in flip command\n");
return -ENODEV;
}
switch (obj->tiling_mode) {
case I915_TILING_NONE:
stride = fb->pitches[0] >> 6;
break;
case I915_TILING_X:
stride = fb->pitches[0] >> 9;
break;
default:
WARN_ONCE(1, "unknown tiling in flip command\n");
return -ENODEV;
}
ret = intel_ring_begin(ring, 10);
if (ret)
return ret;
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1));
intel_ring_emit(ring, DERRMR);
intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE |
DERRMR_PIPEB_PRI_FLIP_DONE |
DERRMR_PIPEC_PRI_FLIP_DONE));
intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8(1) |
MI_SRM_LRM_GLOBAL_GTT);
intel_ring_emit(ring, DERRMR);
intel_ring_emit(ring, ring->scratch.gtt_offset + 256);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane);
intel_ring_emit(ring, stride << 6 | obj->tiling_mode);
intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset);
intel_mark_page_flip_active(intel_crtc);
__intel_ring_advance(ring);
return 0;
}
static int intel_default_queue_flip(struct drm_device *dev,
struct drm_crtc *crtc,
struct drm_framebuffer *fb,
@ -12993,9 +12930,6 @@ static void intel_init_display(struct drm_device *dev)
valleyview_modeset_global_resources;
}
/* Default just returns -ENODEV to indicate unsupported */
dev_priv->display.queue_flip = intel_default_queue_flip;
switch (INTEL_INFO(dev)->gen) {
case 2:
dev_priv->display.queue_flip = intel_gen2_queue_flip;
@ -13018,8 +12952,10 @@ static void intel_init_display(struct drm_device *dev)
dev_priv->display.queue_flip = intel_gen7_queue_flip;
break;
case 9:
dev_priv->display.queue_flip = intel_gen9_queue_flip;
break;
/* Drop through - unsupported since execlist only. */
default:
/* Default just returns -ENODEV to indicate unsupported */
dev_priv->display.queue_flip = intel_default_queue_flip;
}
intel_panel_init_backlight_funcs(dev);