From ba343e029e028a1a7e93c11969789ac70d609f9d Mon Sep 17 00:00:00 2001 From: Tvrtko Ursulin Date: Tue, 10 Feb 2015 17:16:12 +0000 Subject: [PATCH] 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 Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 72 ++-------------------------- 1 file changed, 4 insertions(+), 68 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a954263663a9..4b01876b760f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -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); -- 2.20.1