diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_crtc.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_crtc.c | 223 |
1 files changed, 157 insertions, 66 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c index 25593f6aae7d..29cfc38f12e0 100644 --- a/drivers/gpu/drm/i915/display/intel_crtc.c +++ b/drivers/gpu/drm/i915/display/intel_crtc.c @@ -9,8 +9,10 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_plane.h> +#include <drm/drm_vblank.h> #include <drm/drm_vblank_work.h> +#include "i915_drv.h" #include "i915_vgpu.h" #include "i9xx_plane.h" #include "icl_dsi.h" @@ -24,7 +26,6 @@ #include "intel_display_trace.h" #include "intel_display_types.h" #include "intel_drrs.h" -#include "intel_dsb.h" #include "intel_dsi.h" #include "intel_fifo_underrun.h" #include "intel_pipe_crc.h" @@ -36,25 +37,25 @@ static void assert_vblank_disabled(struct drm_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(crtc->dev); + struct intel_display *display = to_intel_display(crtc->dev); - if (I915_STATE_WARN(i915, drm_crtc_vblank_get(crtc) == 0, - "[CRTC:%d:%s] vblank assertion failure (expected off, current on)\n", - crtc->base.id, crtc->name)) + if (INTEL_DISPLAY_STATE_WARN(display, drm_crtc_vblank_get(crtc) == 0, + "[CRTC:%d:%s] vblank assertion failure (expected off, current on)\n", + crtc->base.id, crtc->name)) drm_crtc_vblank_put(crtc); } -struct intel_crtc *intel_first_crtc(struct drm_i915_private *i915) +struct intel_crtc *intel_first_crtc(struct intel_display *display) { - return to_intel_crtc(drm_crtc_from_index(&i915->drm, 0)); + return to_intel_crtc(drm_crtc_from_index(display->drm, 0)); } -struct intel_crtc *intel_crtc_for_pipe(struct drm_i915_private *i915, +struct intel_crtc *intel_crtc_for_pipe(struct intel_display *display, enum pipe pipe) { struct intel_crtc *crtc; - for_each_intel_crtc(&i915->drm, crtc) { + for_each_intel_crtc(display->drm, crtc) { if (crtc->pipe == pipe) return crtc; } @@ -67,10 +68,10 @@ void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc) drm_crtc_wait_one_vblank(&crtc->base); } -void intel_wait_for_vblank_if_active(struct drm_i915_private *i915, +void intel_wait_for_vblank_if_active(struct intel_display *display, enum pipe pipe) { - struct intel_crtc *crtc = intel_crtc_for_pipe(i915, pipe); + struct intel_crtc *crtc = intel_crtc_for_pipe(display, pipe); if (crtc->active) intel_crtc_wait_for_next_vblank(crtc); @@ -78,8 +79,7 @@ void intel_wait_for_vblank_if_active(struct drm_i915_private *i915, u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) { - struct drm_device *dev = crtc->base.dev; - struct drm_vblank_crtc *vblank = &dev->vblank[drm_crtc_index(&crtc->base)]; + struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(&crtc->base); if (!crtc->active) return 0; @@ -92,10 +92,10 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc) u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); + struct intel_display *display = to_intel_display(crtc_state); /* - * From Gen 11, In case of dsi cmd mode, frame counter wouldnt + * From Gen 11, in case of dsi cmd mode, frame counter wouldn't * have updated at the beginning of TE, if we want to use * the hw counter, then we would find it updated in only * the next TE, hence switching to sw counter. @@ -108,13 +108,13 @@ u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state) * On i965gm the hardware frame counter reads * zero when the TV encoder is enabled :( */ - if (IS_I965GM(dev_priv) && + if (display->platform.i965gm && (crtc_state->output_types & BIT(INTEL_OUTPUT_TVOUT))) return 0; - if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv)) + if (DISPLAY_VER(display) >= 5 || display->platform.g4x) return 0xffffffff; /* full 32 bit counter */ - else if (DISPLAY_VER(dev_priv) >= 3) + else if (DISPLAY_VER(display) >= 3) return 0xffffff; /* only 24 bits of frame count */ else return 0; /* Gen2 doesn't have a hardware frame counter */ @@ -124,6 +124,8 @@ void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state) { struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + crtc->vblank_psr_notify = intel_psr_needs_vblank_notification(crtc_state); + assert_vblank_disabled(&crtc->base); drm_crtc_set_max_vblank_count(&crtc->base, intel_crtc_max_vblank_count(crtc_state)); @@ -139,6 +141,7 @@ void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state) void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(crtc_state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); /* @@ -150,6 +153,10 @@ void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state) drm_crtc_vblank_off(&crtc->base); assert_vblank_disabled(&crtc->base); + + crtc->vblank_psr_notify = false; + + flush_work(&display->irq.vblank_notify_work); } struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc) @@ -296,7 +303,7 @@ static const struct drm_crtc_funcs i8xx_crtc_funcs = { .get_vblank_timestamp = intel_crtc_get_vblank_timestamp, }; -int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) +int intel_crtc_init(struct intel_display *display, enum pipe pipe) { struct intel_plane *primary, *cursor; const struct drm_crtc_funcs *funcs; @@ -308,29 +315,27 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) return PTR_ERR(crtc); crtc->pipe = pipe; - crtc->num_scalers = DISPLAY_RUNTIME_INFO(dev_priv)->num_scalers[pipe]; + crtc->num_scalers = DISPLAY_RUNTIME_INFO(display)->num_scalers[pipe]; - if (DISPLAY_VER(dev_priv) >= 9) - primary = skl_universal_plane_create(dev_priv, pipe, - PLANE_PRIMARY); + if (DISPLAY_VER(display) >= 9) + primary = skl_universal_plane_create(display, pipe, PLANE_1); else - primary = intel_primary_plane_create(dev_priv, pipe); + primary = intel_primary_plane_create(display, pipe); if (IS_ERR(primary)) { ret = PTR_ERR(primary); goto fail; } crtc->plane_ids_mask |= BIT(primary->id); - intel_init_fifo_underrun_reporting(dev_priv, crtc, false); + intel_init_fifo_underrun_reporting(display, crtc, false); - for_each_sprite(dev_priv, pipe, sprite) { + for_each_sprite(display, pipe, sprite) { struct intel_plane *plane; - if (DISPLAY_VER(dev_priv) >= 9) - plane = skl_universal_plane_create(dev_priv, pipe, - PLANE_SPRITE0 + sprite); + if (DISPLAY_VER(display) >= 9) + plane = skl_universal_plane_create(display, pipe, PLANE_2 + sprite); else - plane = intel_sprite_plane_create(dev_priv, pipe, sprite); + plane = intel_sprite_plane_create(display, pipe, sprite); if (IS_ERR(plane)) { ret = PTR_ERR(plane); goto fail; @@ -338,39 +343,41 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) crtc->plane_ids_mask |= BIT(plane->id); } - cursor = intel_cursor_plane_create(dev_priv, pipe); + cursor = intel_cursor_plane_create(display, pipe); if (IS_ERR(cursor)) { ret = PTR_ERR(cursor); goto fail; } crtc->plane_ids_mask |= BIT(cursor->id); - if (HAS_GMCH(dev_priv)) { - if (IS_CHERRYVIEW(dev_priv) || - IS_VALLEYVIEW(dev_priv) || IS_G4X(dev_priv)) + if (HAS_GMCH(display)) { + if (display->platform.cherryview || + display->platform.valleyview || + display->platform.g4x) funcs = &g4x_crtc_funcs; - else if (DISPLAY_VER(dev_priv) == 4) + else if (DISPLAY_VER(display) == 4) funcs = &i965_crtc_funcs; - else if (IS_I945GM(dev_priv) || IS_I915GM(dev_priv)) + else if (display->platform.i945gm || + display->platform.i915gm) funcs = &i915gm_crtc_funcs; - else if (DISPLAY_VER(dev_priv) == 3) + else if (DISPLAY_VER(display) == 3) funcs = &i915_crtc_funcs; else funcs = &i8xx_crtc_funcs; } else { - if (DISPLAY_VER(dev_priv) >= 8) + if (DISPLAY_VER(display) >= 8) funcs = &bdw_crtc_funcs; else funcs = &ilk_crtc_funcs; } - ret = drm_crtc_init_with_planes(&dev_priv->drm, &crtc->base, + ret = drm_crtc_init_with_planes(display->drm, &crtc->base, &primary->base, &cursor->base, funcs, "pipe %c", pipe_name(pipe)); if (ret) goto fail; - if (DISPLAY_VER(dev_priv) >= 11) + if (DISPLAY_VER(display) >= 11) drm_crtc_create_scaling_filter_property(&crtc->base, BIT(DRM_SCALING_FILTER_DEFAULT) | BIT(DRM_SCALING_FILTER_NEAREST_NEIGHBOR)); @@ -381,7 +388,7 @@ int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) cpu_latency_qos_add_request(&crtc->vblank_pm_qos, PM_QOS_DEFAULT_VALUE); - drm_WARN_ON(&dev_priv->drm, drm_crtc_index(&crtc->base) != crtc->pipe); + drm_WARN_ON(display->drm, drm_crtc_index(&crtc->base) != crtc->pipe); return 0; @@ -391,13 +398,31 @@ fail: return ret; } +int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data, + struct drm_file *file) +{ + struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; + struct drm_crtc *drm_crtc; + struct intel_crtc *crtc; + + drm_crtc = drm_crtc_find(dev, file, pipe_from_crtc_id->crtc_id); + if (!drm_crtc) + return -ENOENT; + + crtc = to_intel_crtc(drm_crtc); + pipe_from_crtc_id->pipe = crtc->pipe; + + return 0; +} + static bool intel_crtc_needs_vblank_work(const struct intel_crtc_state *crtc_state) { return crtc_state->hw.active && - !intel_crtc_needs_modeset(crtc_state) && !crtc_state->preload_luts && + !intel_crtc_needs_modeset(crtc_state) && intel_crtc_needs_color_update(crtc_state) && - !intel_color_uses_dsb(crtc_state); + !intel_color_uses_dsb(crtc_state) && + !crtc_state->use_dsb; } static void intel_crtc_vblank_work(struct kthread_work *base) @@ -414,8 +439,8 @@ static void intel_crtc_vblank_work(struct kthread_work *base) if (crtc_state->uapi.event) { spin_lock_irq(&crtc->base.dev->event_lock); drm_crtc_send_vblank_event(&crtc->base, crtc_state->uapi.event); - crtc_state->uapi.event = NULL; spin_unlock_irq(&crtc->base.dev->event_lock); + crtc_state->uapi.event = NULL; } trace_intel_crtc_vblank_work_end(crtc); @@ -457,8 +482,19 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, if (!adjusted_mode->crtc_htotal) return 1; - return DIV_ROUND_UP(usecs * adjusted_mode->crtc_clock, - 1000 * adjusted_mode->crtc_htotal); + return DIV_ROUND_UP_ULL(mul_u32_u32(usecs, adjusted_mode->crtc_clock), + 1000 * adjusted_mode->crtc_htotal); +} + +int intel_scanlines_to_usecs(const struct drm_display_mode *adjusted_mode, + int scanlines) +{ + /* paranoia */ + if (!adjusted_mode->crtc_clock) + return 1; + + return DIV_ROUND_UP_ULL(mul_u32_u32(scanlines, adjusted_mode->crtc_htotal * 1000), + adjusted_mode->crtc_clock); } /** @@ -477,7 +513,7 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, void intel_pipe_update_start(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_display *display = to_intel_display(state); const struct intel_crtc_state *old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); struct intel_crtc_state *new_crtc_state = @@ -485,24 +521,35 @@ void intel_pipe_update_start(struct intel_atomic_state *state, struct intel_vblank_evade_ctx evade; int scanline; + drm_WARN_ON(display->drm, new_crtc_state->use_dsb); + intel_psr_lock(new_crtc_state); if (new_crtc_state->do_async_flip) { - spin_lock_irq(&crtc->base.dev->event_lock); - /* arm the event for the flip done irq handler */ - crtc->flip_done_event = new_crtc_state->uapi.event; - spin_unlock_irq(&crtc->base.dev->event_lock); - - new_crtc_state->uapi.event = NULL; + intel_crtc_prepare_vblank_event(new_crtc_state, + &crtc->flip_done_event); return; } if (intel_crtc_needs_vblank_work(new_crtc_state)) intel_crtc_vblank_work_init(new_crtc_state); + if (state->base.legacy_cursor_update) { + struct intel_plane *plane; + struct intel_plane_state *old_plane_state, *new_plane_state; + int i; + + for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state, + new_plane_state, i) { + if (old_plane_state->uapi.crtc == &crtc->base) + intel_plane_init_cursor_vblank_work(old_plane_state, + new_plane_state); + } + } + intel_vblank_evade_init(old_crtc_state, new_crtc_state, &evade); - if (drm_WARN_ON(&dev_priv->drm, drm_crtc_vblank_get(&crtc->base))) + if (drm_WARN_ON(display->drm, drm_crtc_vblank_get(&crtc->base))) goto irq_disable; /* @@ -563,6 +610,36 @@ static void dbg_vblank_evade(struct intel_crtc *crtc, ktime_t end) static void dbg_vblank_evade(struct intel_crtc *crtc, ktime_t end) {} #endif +void intel_crtc_arm_vblank_event(struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + unsigned long irqflags; + + if (!crtc_state->uapi.event) + return; + + drm_WARN_ON(crtc->base.dev, drm_crtc_vblank_get(&crtc->base) != 0); + + spin_lock_irqsave(&crtc->base.dev->event_lock, irqflags); + drm_crtc_arm_vblank_event(&crtc->base, crtc_state->uapi.event); + spin_unlock_irqrestore(&crtc->base.dev->event_lock, irqflags); + + crtc_state->uapi.event = NULL; +} + +void intel_crtc_prepare_vblank_event(struct intel_crtc_state *crtc_state, + struct drm_pending_vblank_event **event) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + unsigned long irqflags; + + spin_lock_irqsave(&crtc->base.dev->event_lock, irqflags); + *event = crtc_state->uapi.event; + spin_unlock_irqrestore(&crtc->base.dev->event_lock, irqflags); + + crtc_state->uapi.event = NULL; +} + /** * intel_pipe_update_end() - end update of a set of display registers * @state: the atomic state @@ -575,6 +652,7 @@ static void dbg_vblank_evade(struct intel_crtc *crtc, ktime_t end) {} void intel_pipe_update_end(struct intel_atomic_state *state, struct intel_crtc *crtc) { + struct intel_display *display = to_intel_display(state); struct intel_crtc_state *new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); enum pipe pipe = crtc->pipe; @@ -583,6 +661,8 @@ void intel_pipe_update_end(struct intel_atomic_state *state, ktime_t end_vbl_time = ktime_get(); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + drm_WARN_ON(display->drm, new_crtc_state->use_dsb); + if (new_crtc_state->do_async_flip) goto out; @@ -592,7 +672,7 @@ void intel_pipe_update_end(struct intel_atomic_state *state, * Incase of mipi dsi command mode, we need to set frame update * request for every commit. */ - if (DISPLAY_VER(dev_priv) >= 11 && + if (DISPLAY_VER(display) >= 11 && intel_crtc_has_type(new_crtc_state, INTEL_OUTPUT_DSI)) icl_dsi_frame_update(new_crtc_state); @@ -604,16 +684,26 @@ void intel_pipe_update_end(struct intel_atomic_state *state, drm_vblank_work_schedule(&new_crtc_state->vblank_work, drm_crtc_accurate_vblank_count(&crtc->base) + 1, false); - } else if (new_crtc_state->uapi.event) { - drm_WARN_ON(&dev_priv->drm, - drm_crtc_vblank_get(&crtc->base) != 0); - - spin_lock(&crtc->base.dev->event_lock); - drm_crtc_arm_vblank_event(&crtc->base, - new_crtc_state->uapi.event); - spin_unlock(&crtc->base.dev->event_lock); + } else { + intel_crtc_arm_vblank_event(new_crtc_state); + } - new_crtc_state->uapi.event = NULL; + if (state->base.legacy_cursor_update) { + struct intel_plane *plane; + struct intel_plane_state *old_plane_state; + int i; + + for_each_old_intel_plane_in_state(state, plane, old_plane_state, i) { + if (old_plane_state->uapi.crtc == &crtc->base && + old_plane_state->unpin_work.vblank) { + drm_vblank_work_schedule(&old_plane_state->unpin_work, + drm_crtc_accurate_vblank_count(&crtc->base) + 1, + false); + + /* Remove plane from atomic state, cleanup/free is done from vblank worker. */ + memset(&state->base.planes[i], 0, sizeof(state->base.planes[i])); + } + } } /* @@ -630,7 +720,8 @@ void intel_pipe_update_end(struct intel_atomic_state *state, * which would cause the next frame to terminate already at vmin * vblank start instead of vmax vblank start. */ - intel_vrr_send_push(new_crtc_state); + if (!state->base.legacy_cursor_update) + intel_vrr_send_push(NULL, new_crtc_state); local_irq_enable(); @@ -639,7 +730,7 @@ void intel_pipe_update_end(struct intel_atomic_state *state, if (crtc->debug.start_vbl_count && crtc->debug.start_vbl_count != end_vbl_count) { - drm_err(&dev_priv->drm, + drm_err(display->drm, "Atomic update failure on pipe %c (start=%u end=%u) time %lld us, min %d, max %d, scanline start %d, end %d\n", pipe_name(pipe), crtc->debug.start_vbl_count, end_vbl_count, |