171 	u32 val = I915_READ(reg);  in gen3_assert_iir_is_zero()
235 	val = I915_READ(PORT_HOTPLUG_EN);  in i915_hotplug_interrupt_update_locked()
499 		WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) & dev_priv->pm_rps_events);  in gen6_enable_rps_interrupts()
551 		WARN_ON_ONCE(I915_READ(gen6_pm_iir(dev_priv)) &  in gen9_enable_guc_interrupts()
594 	old_val = I915_READ(GEN8_DE_PORT_IMR);  in bdw_update_port_irq()
648 	uint32_t sdeimr = I915_READ(SDEIMR);  in ibx_display_interrupt_update()
876 	return I915_READ(PIPE_FRMCOUNT_G4X(pipe));  in g4x_get_vblank_counter()
1124 	I915_WRITE16(MEMINTRSTS, I915_READ(MEMINTRSTS));  in ironlake_rps_change_irq_handler()
1129 	busy_up = I915_READ(RCPREVBSYTUPAVG);  in ironlake_rps_change_irq_handler()
1130 	busy_down = I915_READ(RCPREVBSYTDNAVG);  in ironlake_rps_change_irq_handler()
1131 	max_avg = I915_READ(RCBMAXAVG);  in ironlake_rps_change_irq_handler()
1132 	min_avg = I915_READ(RCBMINAVG);  in ironlake_rps_change_irq_handler()
1229 	ei->render_c0 = I915_READ(VLV_RENDER_C0_COUNT);  in vlv_c0_read()
1230 	ei->media_c0 = I915_READ(VLV_MEDIA_C0_COUNT);  in vlv_c0_read()
1392 	misccpctl = I915_READ(GEN7_MISCCPCTL);  in ivybridge_parity_work()
1407 		error_status = I915_READ(reg);  in ivybridge_parity_work()
1792 				     I915_READ(PIPE_CRC_RES_1_IVB(pipe)),  in hsw_pipe_crc_irq_handler()
1800 				     I915_READ(PIPE_CRC_RES_1_IVB(pipe)),  in ivb_pipe_crc_irq_handler()
1801 				     I915_READ(PIPE_CRC_RES_2_IVB(pipe)),  in ivb_pipe_crc_irq_handler()
1802 				     I915_READ(PIPE_CRC_RES_3_IVB(pipe)),  in ivb_pipe_crc_irq_handler()
1803 				     I915_READ(PIPE_CRC_RES_4_IVB(pipe)),  in ivb_pipe_crc_irq_handler()
1804 				     I915_READ(PIPE_CRC_RES_5_IVB(pipe)));  in ivb_pipe_crc_irq_handler()
1813 		res1 = I915_READ(PIPE_CRC_RES_RES1_I915(pipe));  in i9xx_pipe_crc_irq_handler()
1818 		res2 = I915_READ(PIPE_CRC_RES_RES2_G4X(pipe));  in i9xx_pipe_crc_irq_handler()
1823 				     I915_READ(PIPE_CRC_RES_RED(pipe)),  in i9xx_pipe_crc_irq_handler()
1824 				     I915_READ(PIPE_CRC_RES_GREEN(pipe)),  in i9xx_pipe_crc_irq_handler()
1825 				     I915_READ(PIPE_CRC_RES_BLUE(pipe)),  in i9xx_pipe_crc_irq_handler()
1922 		pipe_stats[pipe] = I915_READ(reg) & status_mask;  in i9xx_pipestat_irq_ack()
2052 		u32 tmp = I915_READ(PORT_HOTPLUG_STAT) & hotplug_status_mask;  in i9xx_hpd_irq_ack()
2063 		  I915_READ(PORT_HOTPLUG_STAT));  in i9xx_hpd_irq_ack()
2119 		gt_iir = I915_READ(GTIIR);  in valleyview_irq_handler()
2120 		pm_iir = I915_READ(GEN6_PMIIR);  in valleyview_irq_handler()
2121 		iir = I915_READ(VLV_IIR);  in valleyview_irq_handler()
2142 		ier = I915_READ(VLV_IER);  in valleyview_irq_handler()
2206 		master_ctl = I915_READ(GEN8_MASTER_IRQ) & ~GEN8_MASTER_IRQ_CONTROL;  in cherryview_irq_handler()
2207 		iir = I915_READ(VLV_IIR);  in cherryview_irq_handler()
2228 		ier = I915_READ(VLV_IER);  in cherryview_irq_handler()
2280 	dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);  in ibx_hpd_irq_handler()
2333 					 I915_READ(FDI_RX_IIR(pipe)));  in ibx_irq_handler()
2350 	u32 err_int = I915_READ(GEN7_ERR_INT);  in ivb_err_int_handler()
2373 	u32 serr_int = I915_READ(SERR_INT);  in cpt_serr_int_handler()
2416 					 I915_READ(FDI_RX_IIR(pipe)));  in cpt_irq_handler()
2431 		dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_DDI);  in icp_irq_handler()
2443 		dig_hotplug_reg = I915_READ(SHOTPLUG_CTL_TC);  in icp_irq_handler()
2469 		dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);  in spt_irq_handler()
2480 		dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG2);  in spt_irq_handler()
2501 	dig_hotplug_reg = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL);  in ilk_hpd_irq_handler()
2542 		u32 pch_iir = I915_READ(SDEIIR);  in ilk_display_irq_handler()
2570 		u32 psr_iir = I915_READ(EDP_PSR_IIR);  in ivb_display_irq_handler()
2589 		u32 pch_iir = I915_READ(SDEIIR);  in ivb_display_irq_handler()
2620 	de_ier = I915_READ(DEIER);  in ironlake_irq_handler()
2629 		sde_ier = I915_READ(SDEIER);  in ironlake_irq_handler()
2635 	gt_iir = I915_READ(GTIIR);  in ironlake_irq_handler()
2645 	de_iir = I915_READ(DEIIR);  in ironlake_irq_handler()
2656 		u32 pm_iir = I915_READ(GEN6_PMIIR);  in ironlake_irq_handler()
2680 	dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);  in bxt_hpd_irq_handler()
2699 		dig_hotplug_reg = I915_READ(GEN11_TC_HOTPLUG_CTL);  in gen11_hpd_irq_handler()
2710 		dig_hotplug_reg = I915_READ(GEN11_TBT_HOTPLUG_CTL);  in gen11_hpd_irq_handler()
2732 		iir = I915_READ(GEN8_DE_MISC_IIR);  in gen8_de_irq_handler()
2745 				u32 psr_iir = I915_READ(EDP_PSR_IIR);  in gen8_de_irq_handler()
2760 		iir = I915_READ(GEN11_DE_HPD_IIR);  in gen8_de_irq_handler()
2771 		iir = I915_READ(GEN8_DE_PORT_IIR);  in gen8_de_irq_handler()
2831 		iir = I915_READ(GEN8_DE_PIPE_IIR(pipe));  in gen8_de_irq_handler()
2868 		iir = I915_READ(SDEIIR);  in gen8_de_irq_handler()
3217 		I915_WRITE(PGTBL_ER, I915_READ(PGTBL_ER));  in i915_clear_error_registers()
3220 		I915_WRITE(IPEIR, I915_READ(IPEIR));  in i915_clear_error_registers()
3222 		I915_WRITE(IPEIR_I965, I915_READ(IPEIR_I965));  in i915_clear_error_registers()
3224 	I915_WRITE(EIR, I915_READ(EIR));  in i915_clear_error_registers()
3225 	eir = I915_READ(EIR);  in i915_clear_error_registers()
3232 		I915_WRITE(EMR, I915_READ(EMR) | eir);  in i915_clear_error_registers()
3479 	WARN_ON(I915_READ(SDEIER) != 0);  in ibx_irq_pre_postinstall()
3499 	I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));  in vlv_display_irq_reset()
3733 	hotplug = I915_READ(PCH_PORT_HOTPLUG);  in ibx_hpd_detection_setup()
3770 	hotplug = I915_READ(SHOTPLUG_CTL_DDI);  in icp_hpd_detection_setup()
3775 	hotplug = I915_READ(SHOTPLUG_CTL_TC);  in icp_hpd_detection_setup()
3799 	hotplug = I915_READ(GEN11_TC_HOTPLUG_CTL);  in gen11_hpd_detection_setup()
3806 	hotplug = I915_READ(GEN11_TBT_HOTPLUG_CTL);  in gen11_hpd_detection_setup()
3822 	val = I915_READ(GEN11_DE_HPD_IMR);  in gen11_hpd_irq_setup()
3839 		val = I915_READ(SOUTH_CHICKEN1);  in spt_hpd_detection_setup()
3846 	hotplug = I915_READ(PCH_PORT_HOTPLUG);  in spt_hpd_detection_setup()
3853 	hotplug = I915_READ(PCH_PORT_HOTPLUG2);  in spt_hpd_detection_setup()
3879 	hotplug = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL);  in ilk_hpd_detection_setup()
3917 	hotplug = I915_READ(PCH_PORT_HOTPLUG);  in __bxt_hpd_detection_setup()
4271 	WARN_ON(I915_READ(SDEIER) != 0);  in icp_irq_postinstall()
4405 	*eir = I915_READ(EIR);  in i9xx_error_irq_ack()
4409 	*eir_stuck = I915_READ(EIR);  in i9xx_error_irq_ack()
4423 	emr = I915_READ(EMR);  in i9xx_error_irq_ack()
4489 		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));  in i915_irq_reset()
4560 		iir = I915_READ(IIR);  in i915_irq_handler()
4601 	I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));  in i965_irq_reset()
4708 		iir = I915_READ(IIR);  in i965_irq_handler()