131 static int dpu_wait_stop_done(struct sprd_dpu *dpu)  in dpu_wait_stop_done()  argument
133 	struct dpu_context *ctx = &dpu->ctx;  in dpu_wait_stop_done()
146 		drm_err(dpu->drm, "dpu wait for stop done time out!\n");  in dpu_wait_stop_done()
153 static int dpu_wait_update_done(struct sprd_dpu *dpu)  in dpu_wait_update_done()  argument
155 	struct dpu_context *ctx = &dpu->ctx;  in dpu_wait_update_done()
164 		drm_err(dpu->drm, "dpu wait for reg update done time out!\n");  in dpu_wait_update_done()
323 static void sprd_dpu_layer(struct sprd_dpu *dpu, struct drm_plane_state *state)  in sprd_dpu_layer()  argument
325 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_layer()
380 static void sprd_dpu_flip(struct sprd_dpu *dpu)  in sprd_dpu_flip()  argument
382 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_flip()
385 	 * Make sure the dpu is in stop status. DPU has no shadow  in sprd_dpu_flip()
390 		dpu_wait_stop_done(dpu);  in sprd_dpu_flip()
396 			dpu_wait_update_done(dpu);  in sprd_dpu_flip()
407 static void sprd_dpu_init(struct sprd_dpu *dpu)  in sprd_dpu_init()  argument
409 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_init()
428 		/* enable dpu update done INT */  in sprd_dpu_init()
430 		/* enable dpu done INT */  in sprd_dpu_init()
432 		/* enable dpu dpi vsync */  in sprd_dpu_init()
434 		/* enable dpu TE INT */  in sprd_dpu_init()
455 static void sprd_dpu_fini(struct sprd_dpu *dpu)  in sprd_dpu_fini()  argument
457 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_fini()
463 static void sprd_dpi_init(struct sprd_dpu *dpu)  in sprd_dpi_init()  argument
465 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpi_init()
487 void sprd_dpu_run(struct sprd_dpu *dpu)  in sprd_dpu_run()  argument
489 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_run()
496 void sprd_dpu_stop(struct sprd_dpu *dpu)  in sprd_dpu_stop()  argument
498 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_stop()
503 	dpu_wait_stop_done(dpu);  in sprd_dpu_stop()
536 	struct sprd_dpu *dpu = to_sprd_crtc(new_state->crtc);  in sprd_plane_atomic_update()  local
538 	/* start configure dpu layers */  in sprd_plane_atomic_update()
539 	sprd_dpu_layer(dpu, new_state);  in sprd_plane_atomic_update()
547 	struct sprd_dpu *dpu = to_sprd_crtc(old_state->crtc);  in sprd_plane_atomic_disable()  local
549 	layer_reg_wr(&dpu->ctx, REG_LAY_CTRL, 0x00, old_state->zpos);  in sprd_plane_atomic_disable()
621 	struct sprd_dpu *dpu = to_sprd_crtc(crtc);  in sprd_crtc_mode_set_nofb()  local
626 	drm_display_mode_to_videomode(mode, &dpu->ctx.vm);  in sprd_crtc_mode_set_nofb()
633 			dpu->ctx.if_type = SPRD_DPU_IF_DPI;  in sprd_crtc_mode_set_nofb()
635 			dpu->ctx.if_type = SPRD_DPU_IF_EDPI;  in sprd_crtc_mode_set_nofb()
638 	sprd_dpi_init(dpu);  in sprd_crtc_mode_set_nofb()
644 	struct sprd_dpu *dpu = to_sprd_crtc(crtc);  in sprd_crtc_atomic_enable()  local
646 	sprd_dpu_init(dpu);  in sprd_crtc_atomic_enable()
648 	drm_crtc_vblank_on(&dpu->base);  in sprd_crtc_atomic_enable()
654 	struct sprd_dpu *dpu = to_sprd_crtc(crtc);  in sprd_crtc_atomic_disable()  local
655 	struct drm_device *drm = dpu->base.dev;  in sprd_crtc_atomic_disable()
657 	drm_crtc_vblank_off(&dpu->base);  in sprd_crtc_atomic_disable()
659 	sprd_dpu_fini(dpu);  in sprd_crtc_atomic_disable()
673 	struct sprd_dpu *dpu = to_sprd_crtc(crtc);  in sprd_crtc_atomic_flush()  local
674 	struct drm_device *drm = dpu->base.dev;  in sprd_crtc_atomic_flush()
676 	sprd_dpu_flip(dpu);  in sprd_crtc_atomic_flush()
688 	struct sprd_dpu *dpu = to_sprd_crtc(crtc);  in sprd_crtc_enable_vblank()  local
690 	dpu_reg_set(&dpu->ctx, REG_DPU_INT_EN, BIT_DPU_INT_VSYNC);  in sprd_crtc_enable_vblank()
697 	struct sprd_dpu *dpu = to_sprd_crtc(crtc);  in sprd_crtc_disable_vblank()  local
699 	dpu_reg_clr(&dpu->ctx, REG_DPU_INT_EN, BIT_DPU_INT_VSYNC);  in sprd_crtc_disable_vblank()
724 	struct sprd_dpu *dpu;  in sprd_crtc_init()  local
726 	dpu = drmm_crtc_alloc_with_planes(drm, struct sprd_dpu, base,  in sprd_crtc_init()
729 	if (IS_ERR(dpu)) {  in sprd_crtc_init()
731 		return dpu;  in sprd_crtc_init()
733 	drm_crtc_helper_add(&dpu->base, &sprd_crtc_helper_funcs);  in sprd_crtc_init()
744 	dpu->base.port = port;  in sprd_crtc_init()
747 	return dpu;  in sprd_crtc_init()
752 	struct sprd_dpu *dpu = data;  in sprd_dpu_isr()  local
753 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_isr()
761 		drm_warn(dpu->drm, "Warning: dpu underflow!\n");  in sprd_dpu_isr()
764 	/* dpu update done isr */  in sprd_dpu_isr()
770 	/* dpu stop done isr */  in sprd_dpu_isr()
777 		drm_crtc_handle_vblank(&dpu->base);  in sprd_dpu_isr()
785 static int sprd_dpu_context_init(struct sprd_dpu *dpu,  in sprd_dpu_context_init()  argument
789 	struct dpu_context *ctx = &dpu->ctx;  in sprd_dpu_context_init()
801 		dev_err(dev, "failed to map dpu registers\n");  in sprd_dpu_context_init()
807 		dev_err(dev, "failed to get dpu irq\n");  in sprd_dpu_context_init()
811 	/* disable and clear interrupts before register dpu IRQ. */  in sprd_dpu_context_init()
816 			       IRQF_TRIGGER_NONE, "DPU", dpu);  in sprd_dpu_context_init()
818 		dev_err(dev, "failed to register dpu irq handler\n");  in sprd_dpu_context_init()
830 	struct sprd_dpu *dpu;  in sprd_dpu_bind()  local
838 	dpu = sprd_crtc_init(drm, &plane->base, dev);  in sprd_dpu_bind()
839 	if (IS_ERR(dpu))  in sprd_dpu_bind()
840 		return PTR_ERR(dpu);  in sprd_dpu_bind()
842 	dpu->drm = drm;  in sprd_dpu_bind()
843 	dev_set_drvdata(dev, dpu);  in sprd_dpu_bind()
845 	ret = sprd_dpu_context_init(dpu, dev);  in sprd_dpu_bind()
857 	{ .compatible = "sprd,sharkl3-dpu" },
878 		.name = "sprd-dpu-drv",