]> git.baikalelectronics.ru Git - kernel.git/commitdiff
drm/i915: switch vlv_suspend to use intel uncore register accessors
authorJani Nikula <jani.nikula@intel.com>
Wed, 12 Feb 2020 14:40:58 +0000 (16:40 +0200)
committerJani Nikula <jani.nikula@intel.com>
Mon, 17 Feb 2020 09:29:51 +0000 (11:29 +0200)
Prefer intel_uncore_* over I915_READ, I915_WRITE, and POSTING_READ.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200212144058.5686-2-jani.nikula@intel.com
drivers/gpu/drm/i915/vlv_suspend.c

index 05047fe7765f393c8d0c6076baff89fca76ad17d..23adb64d640a5b878d2570ed3a36aa3b736bfd9d 100644 (file)
@@ -102,80 +102,81 @@ struct vlv_s0ix_state {
  * a black-box for the driver. Further investigation is needed to reduce the
  * saved/restored registers even further, by following the same 3 criteria.
  */
-static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
+static void vlv_save_gunit_s0ix_state(struct drm_i915_private *i915)
 {
-       struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state;
+       struct vlv_s0ix_state *s = i915->vlv_s0ix_state;
+       struct intel_uncore *uncore = &i915->uncore;
        int i;
 
        if (!s)
                return;
 
        /* GAM 0x4000-0x4770 */
-       s->wr_watermark         = I915_READ(GEN7_WR_WATERMARK);
-       s->gfx_prio_ctrl        = I915_READ(GEN7_GFX_PRIO_CTRL);
-       s->arb_mode             = I915_READ(ARB_MODE);
-       s->gfx_pend_tlb0        = I915_READ(GEN7_GFX_PEND_TLB0);
-       s->gfx_pend_tlb1        = I915_READ(GEN7_GFX_PEND_TLB1);
+       s->wr_watermark = intel_uncore_read(uncore, GEN7_WR_WATERMARK);
+       s->gfx_prio_ctrl = intel_uncore_read(uncore, GEN7_GFX_PRIO_CTRL);
+       s->arb_mode = intel_uncore_read(uncore, ARB_MODE);
+       s->gfx_pend_tlb0 = intel_uncore_read(uncore, GEN7_GFX_PEND_TLB0);
+       s->gfx_pend_tlb1 = intel_uncore_read(uncore, GEN7_GFX_PEND_TLB1);
 
        for (i = 0; i < ARRAY_SIZE(s->lra_limits); i++)
-               s->lra_limits[i] = I915_READ(GEN7_LRA_LIMITS(i));
+               s->lra_limits[i] = intel_uncore_read(uncore, GEN7_LRA_LIMITS(i));
 
-       s->media_max_req_count  = I915_READ(GEN7_MEDIA_MAX_REQ_COUNT);
-       s->gfx_max_req_count    = I915_READ(GEN7_GFX_MAX_REQ_COUNT);
+       s->media_max_req_count = intel_uncore_read(uncore, GEN7_MEDIA_MAX_REQ_COUNT);
+       s->gfx_max_req_count = intel_uncore_read(uncore, GEN7_GFX_MAX_REQ_COUNT);
 
-       s->render_hwsp          = I915_READ(RENDER_HWS_PGA_GEN7);
-       s->ecochk               = I915_READ(GAM_ECOCHK);
-       s->bsd_hwsp             = I915_READ(BSD_HWS_PGA_GEN7);
-       s->blt_hwsp             = I915_READ(BLT_HWS_PGA_GEN7);
+       s->render_hwsp = intel_uncore_read(uncore, RENDER_HWS_PGA_GEN7);
+       s->ecochk = intel_uncore_read(uncore, GAM_ECOCHK);
+       s->bsd_hwsp = intel_uncore_read(uncore, BSD_HWS_PGA_GEN7);
+       s->blt_hwsp = intel_uncore_read(uncore, BLT_HWS_PGA_GEN7);
 
-       s->tlb_rd_addr          = I915_READ(GEN7_TLB_RD_ADDR);
+       s->tlb_rd_addr = intel_uncore_read(uncore, GEN7_TLB_RD_ADDR);
 
        /* MBC 0x9024-0x91D0, 0x8500 */
-       s->g3dctl               = I915_READ(VLV_G3DCTL);
-       s->gsckgctl             = I915_READ(VLV_GSCKGCTL);
-       s->mbctl                = I915_READ(GEN6_MBCTL);
+       s->g3dctl = intel_uncore_read(uncore, VLV_G3DCTL);
+       s->gsckgctl = intel_uncore_read(uncore, VLV_GSCKGCTL);
+       s->mbctl = intel_uncore_read(uncore, GEN6_MBCTL);
 
        /* GCP 0x9400-0x9424, 0x8100-0x810C */
-       s->ucgctl1              = I915_READ(GEN6_UCGCTL1);
-       s->ucgctl3              = I915_READ(GEN6_UCGCTL3);
-       s->rcgctl1              = I915_READ(GEN6_RCGCTL1);
-       s->rcgctl2              = I915_READ(GEN6_RCGCTL2);
-       s->rstctl               = I915_READ(GEN6_RSTCTL);
-       s->misccpctl            = I915_READ(GEN7_MISCCPCTL);
+       s->ucgctl1 = intel_uncore_read(uncore, GEN6_UCGCTL1);
+       s->ucgctl3 = intel_uncore_read(uncore, GEN6_UCGCTL3);
+       s->rcgctl1 = intel_uncore_read(uncore, GEN6_RCGCTL1);
+       s->rcgctl2 = intel_uncore_read(uncore, GEN6_RCGCTL2);
+       s->rstctl = intel_uncore_read(uncore, GEN6_RSTCTL);
+       s->misccpctl = intel_uncore_read(uncore, GEN7_MISCCPCTL);
 
        /* GPM 0xA000-0xAA84, 0x8000-0x80FC */
-       s->gfxpause             = I915_READ(GEN6_GFXPAUSE);
-       s->rpdeuhwtc            = I915_READ(GEN6_RPDEUHWTC);
-       s->rpdeuc               = I915_READ(GEN6_RPDEUC);
-       s->ecobus               = I915_READ(ECOBUS);
-       s->pwrdwnupctl          = I915_READ(VLV_PWRDWNUPCTL);
-       s->rp_down_timeout      = I915_READ(GEN6_RP_DOWN_TIMEOUT);
-       s->rp_deucsw            = I915_READ(GEN6_RPDEUCSW);
-       s->rcubmabdtmr          = I915_READ(GEN6_RCUBMABDTMR);
-       s->rcedata              = I915_READ(VLV_RCEDATA);
-       s->spare2gh             = I915_READ(VLV_SPAREG2H);
+       s->gfxpause = intel_uncore_read(uncore, GEN6_GFXPAUSE);
+       s->rpdeuhwtc = intel_uncore_read(uncore, GEN6_RPDEUHWTC);
+       s->rpdeuc = intel_uncore_read(uncore, GEN6_RPDEUC);
+       s->ecobus = intel_uncore_read(uncore, ECOBUS);
+       s->pwrdwnupctl = intel_uncore_read(uncore, VLV_PWRDWNUPCTL);
+       s->rp_down_timeout = intel_uncore_read(uncore, GEN6_RP_DOWN_TIMEOUT);
+       s->rp_deucsw = intel_uncore_read(uncore, GEN6_RPDEUCSW);
+       s->rcubmabdtmr = intel_uncore_read(uncore, GEN6_RCUBMABDTMR);
+       s->rcedata = intel_uncore_read(uncore, VLV_RCEDATA);
+       s->spare2gh = intel_uncore_read(uncore, VLV_SPAREG2H);
 
        /* Display CZ domain, 0x4400C-0x4402C, 0x4F000-0x4F11F */
-       s->gt_imr               = I915_READ(GTIMR);
-       s->gt_ier               = I915_READ(GTIER);
-       s->pm_imr               = I915_READ(GEN6_PMIMR);
-       s->pm_ier               = I915_READ(GEN6_PMIER);
+       s->gt_imr = intel_uncore_read(uncore, GTIMR);
+       s->gt_ier = intel_uncore_read(uncore, GTIER);
+       s->pm_imr = intel_uncore_read(uncore, GEN6_PMIMR);
+       s->pm_ier = intel_uncore_read(uncore, GEN6_PMIER);
 
        for (i = 0; i < ARRAY_SIZE(s->gt_scratch); i++)
-               s->gt_scratch[i] = I915_READ(GEN7_GT_SCRATCH(i));
+               s->gt_scratch[i] = intel_uncore_read(uncore, GEN7_GT_SCRATCH(i));
 
        /* GT SA CZ domain, 0x100000-0x138124 */
-       s->tilectl              = I915_READ(TILECTL);
-       s->gt_fifoctl           = I915_READ(GTFIFOCTL);
-       s->gtlc_wake_ctrl       = I915_READ(VLV_GTLC_WAKE_CTRL);
-       s->gtlc_survive         = I915_READ(VLV_GTLC_SURVIVABILITY_REG);
-       s->pmwgicz              = I915_READ(VLV_PMWGICZ);
+       s->tilectl = intel_uncore_read(uncore, TILECTL);
+       s->gt_fifoctl = intel_uncore_read(uncore, GTFIFOCTL);
+       s->gtlc_wake_ctrl = intel_uncore_read(uncore, VLV_GTLC_WAKE_CTRL);
+       s->gtlc_survive = intel_uncore_read(uncore, VLV_GTLC_SURVIVABILITY_REG);
+       s->pmwgicz = intel_uncore_read(uncore, VLV_PMWGICZ);
 
        /* Gunit-Display CZ domain, 0x182028-0x1821CF */
-       s->gu_ctl0              = I915_READ(VLV_GU_CTL0);
-       s->gu_ctl1              = I915_READ(VLV_GU_CTL1);
-       s->pcbr                 = I915_READ(VLV_PCBR);
-       s->clock_gate_dis2      = I915_READ(VLV_GUNIT_CLOCK_GATE2);
+       s->gu_ctl0 = intel_uncore_read(uncore, VLV_GU_CTL0);
+       s->gu_ctl1 = intel_uncore_read(uncore, VLV_GU_CTL1);
+       s->pcbr = intel_uncore_read(uncore, VLV_PCBR);
+       s->clock_gate_dis2 = intel_uncore_read(uncore, VLV_GUNIT_CLOCK_GATE2);
 
        /*
         * Not saving any of:
@@ -186,9 +187,10 @@ static void vlv_save_gunit_s0ix_state(struct drm_i915_private *dev_priv)
         */
 }
 
-static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
+static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *i915)
 {
-       struct vlv_s0ix_state *s = dev_priv->vlv_s0ix_state;
+       struct vlv_s0ix_state *s = i915->vlv_s0ix_state;
+       struct intel_uncore *uncore = &i915->uncore;
        u32 val;
        int i;
 
@@ -196,84 +198,84 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *dev_priv)
                return;
 
        /* GAM 0x4000-0x4770 */
-       I915_WRITE(GEN7_WR_WATERMARK,   s->wr_watermark);
-       I915_WRITE(GEN7_GFX_PRIO_CTRL,  s->gfx_prio_ctrl);
-       I915_WRITE(ARB_MODE,            s->arb_mode | (0xffff << 16));
-       I915_WRITE(GEN7_GFX_PEND_TLB0,  s->gfx_pend_tlb0);
-       I915_WRITE(GEN7_GFX_PEND_TLB1,  s->gfx_pend_tlb1);
+       intel_uncore_write(uncore, GEN7_WR_WATERMARK, s->wr_watermark);
+       intel_uncore_write(uncore, GEN7_GFX_PRIO_CTRL, s->gfx_prio_ctrl);
+       intel_uncore_write(uncore, ARB_MODE, s->arb_mode | (0xffff << 16));
+       intel_uncore_write(uncore, GEN7_GFX_PEND_TLB0, s->gfx_pend_tlb0);
+       intel_uncore_write(uncore, GEN7_GFX_PEND_TLB1, s->gfx_pend_tlb1);
 
        for (i = 0; i < ARRAY_SIZE(s->lra_limits); i++)
-               I915_WRITE(GEN7_LRA_LIMITS(i), s->lra_limits[i]);
+               intel_uncore_write(uncore, GEN7_LRA_LIMITS(i), s->lra_limits[i]);
 
-       I915_WRITE(GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count);
-       I915_WRITE(GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count);
+       intel_uncore_write(uncore, GEN7_MEDIA_MAX_REQ_COUNT, s->media_max_req_count);
+       intel_uncore_write(uncore, GEN7_GFX_MAX_REQ_COUNT, s->gfx_max_req_count);
 
-       I915_WRITE(RENDER_HWS_PGA_GEN7, s->render_hwsp);
-       I915_WRITE(GAM_ECOCHK,          s->ecochk);
-       I915_WRITE(BSD_HWS_PGA_GEN7,    s->bsd_hwsp);
-       I915_WRITE(BLT_HWS_PGA_GEN7,    s->blt_hwsp);
+       intel_uncore_write(uncore, RENDER_HWS_PGA_GEN7, s->render_hwsp);
+       intel_uncore_write(uncore, GAM_ECOCHK, s->ecochk);
+       intel_uncore_write(uncore, BSD_HWS_PGA_GEN7, s->bsd_hwsp);
+       intel_uncore_write(uncore, BLT_HWS_PGA_GEN7, s->blt_hwsp);
 
-       I915_WRITE(GEN7_TLB_RD_ADDR,    s->tlb_rd_addr);
+       intel_uncore_write(uncore, GEN7_TLB_RD_ADDR, s->tlb_rd_addr);
 
        /* MBC 0x9024-0x91D0, 0x8500 */
-       I915_WRITE(VLV_G3DCTL,          s->g3dctl);
-       I915_WRITE(VLV_GSCKGCTL,        s->gsckgctl);
-       I915_WRITE(GEN6_MBCTL,          s->mbctl);
+       intel_uncore_write(uncore, VLV_G3DCTL, s->g3dctl);
+       intel_uncore_write(uncore, VLV_GSCKGCTL, s->gsckgctl);
+       intel_uncore_write(uncore, GEN6_MBCTL, s->mbctl);
 
        /* GCP 0x9400-0x9424, 0x8100-0x810C */
-       I915_WRITE(GEN6_UCGCTL1,        s->ucgctl1);
-       I915_WRITE(GEN6_UCGCTL3,        s->ucgctl3);
-       I915_WRITE(GEN6_RCGCTL1,        s->rcgctl1);
-       I915_WRITE(GEN6_RCGCTL2,        s->rcgctl2);
-       I915_WRITE(GEN6_RSTCTL,         s->rstctl);
-       I915_WRITE(GEN7_MISCCPCTL,      s->misccpctl);
+       intel_uncore_write(uncore, GEN6_UCGCTL1, s->ucgctl1);
+       intel_uncore_write(uncore, GEN6_UCGCTL3, s->ucgctl3);
+       intel_uncore_write(uncore, GEN6_RCGCTL1, s->rcgctl1);
+       intel_uncore_write(uncore, GEN6_RCGCTL2, s->rcgctl2);
+       intel_uncore_write(uncore, GEN6_RSTCTL, s->rstctl);
+       intel_uncore_write(uncore, GEN7_MISCCPCTL, s->misccpctl);
 
        /* GPM 0xA000-0xAA84, 0x8000-0x80FC */
-       I915_WRITE(GEN6_GFXPAUSE,       s->gfxpause);
-       I915_WRITE(GEN6_RPDEUHWTC,      s->rpdeuhwtc);
-       I915_WRITE(GEN6_RPDEUC,         s->rpdeuc);
-       I915_WRITE(ECOBUS,              s->ecobus);
-       I915_WRITE(VLV_PWRDWNUPCTL,     s->pwrdwnupctl);
-       I915_WRITE(GEN6_RP_DOWN_TIMEOUT,s->rp_down_timeout);
-       I915_WRITE(GEN6_RPDEUCSW,       s->rp_deucsw);
-       I915_WRITE(GEN6_RCUBMABDTMR,    s->rcubmabdtmr);
-       I915_WRITE(VLV_RCEDATA,         s->rcedata);
-       I915_WRITE(VLV_SPAREG2H,        s->spare2gh);
+       intel_uncore_write(uncore, GEN6_GFXPAUSE, s->gfxpause);
+       intel_uncore_write(uncore, GEN6_RPDEUHWTC, s->rpdeuhwtc);
+       intel_uncore_write(uncore, GEN6_RPDEUC, s->rpdeuc);
+       intel_uncore_write(uncore, ECOBUS, s->ecobus);
+       intel_uncore_write(uncore, VLV_PWRDWNUPCTL, s->pwrdwnupctl);
+       intel_uncore_write(uncore, GEN6_RP_DOWN_TIMEOUT, s->rp_down_timeout);
+       intel_uncore_write(uncore, GEN6_RPDEUCSW, s->rp_deucsw);
+       intel_uncore_write(uncore, GEN6_RCUBMABDTMR, s->rcubmabdtmr);
+       intel_uncore_write(uncore, VLV_RCEDATA, s->rcedata);
+       intel_uncore_write(uncore, VLV_SPAREG2H, s->spare2gh);
 
        /* Display CZ domain, 0x4400C-0x4402C, 0x4F000-0x4F11F */
-       I915_WRITE(GTIMR,               s->gt_imr);
-       I915_WRITE(GTIER,               s->gt_ier);
-       I915_WRITE(GEN6_PMIMR,          s->pm_imr);
-       I915_WRITE(GEN6_PMIER,          s->pm_ier);
+       intel_uncore_write(uncore, GTIMR, s->gt_imr);
+       intel_uncore_write(uncore, GTIER, s->gt_ier);
+       intel_uncore_write(uncore, GEN6_PMIMR, s->pm_imr);
+       intel_uncore_write(uncore, GEN6_PMIER, s->pm_ier);
 
        for (i = 0; i < ARRAY_SIZE(s->gt_scratch); i++)
-               I915_WRITE(GEN7_GT_SCRATCH(i), s->gt_scratch[i]);
+               intel_uncore_write(uncore, GEN7_GT_SCRATCH(i), s->gt_scratch[i]);
 
        /* GT SA CZ domain, 0x100000-0x138124 */
-       I915_WRITE(TILECTL,                     s->tilectl);
-       I915_WRITE(GTFIFOCTL,                   s->gt_fifoctl);
+       intel_uncore_write(uncore, TILECTL, s->tilectl);
+       intel_uncore_write(uncore, GTFIFOCTL, s->gt_fifoctl);
        /*
         * Preserve the GT allow wake and GFX force clock bit, they are not
         * be restored, as they are used to control the s0ix suspend/resume
         * sequence by the caller.
         */
-       val = I915_READ(VLV_GTLC_WAKE_CTRL);
+       val = intel_uncore_read(uncore, VLV_GTLC_WAKE_CTRL);
        val &= VLV_GTLC_ALLOWWAKEREQ;
        val |= s->gtlc_wake_ctrl & ~VLV_GTLC_ALLOWWAKEREQ;
-       I915_WRITE(VLV_GTLC_WAKE_CTRL, val);
+       intel_uncore_write(uncore, VLV_GTLC_WAKE_CTRL, val);
 
-       val = I915_READ(VLV_GTLC_SURVIVABILITY_REG);
+       val = intel_uncore_read(uncore, VLV_GTLC_SURVIVABILITY_REG);
        val &= VLV_GFX_CLK_FORCE_ON_BIT;
        val |= s->gtlc_survive & ~VLV_GFX_CLK_FORCE_ON_BIT;
-       I915_WRITE(VLV_GTLC_SURVIVABILITY_REG, val);
+       intel_uncore_write(uncore, VLV_GTLC_SURVIVABILITY_REG, val);
 
-       I915_WRITE(VLV_PMWGICZ,                 s->pmwgicz);
+       intel_uncore_write(uncore, VLV_PMWGICZ, s->pmwgicz);
 
        /* Gunit-Display CZ domain, 0x182028-0x1821CF */
-       I915_WRITE(VLV_GU_CTL0,                 s->gu_ctl0);
-       I915_WRITE(VLV_GU_CTL1,                 s->gu_ctl1);
-       I915_WRITE(VLV_PCBR,                    s->pcbr);
-       I915_WRITE(VLV_GUNIT_CLOCK_GATE2,       s->clock_gate_dis2);
+       intel_uncore_write(uncore, VLV_GU_CTL0, s->gu_ctl0);
+       intel_uncore_write(uncore, VLV_GU_CTL1, s->gu_ctl1);
+       intel_uncore_write(uncore, VLV_PCBR, s->pcbr);
+       intel_uncore_write(uncore, VLV_GUNIT_CLOCK_GATE2, s->clock_gate_dis2);
 }
 
 static int vlv_wait_for_pw_status(struct drm_i915_private *i915,
@@ -300,52 +302,54 @@ static int vlv_wait_for_pw_status(struct drm_i915_private *i915,
        return ret;
 }
 
-static int vlv_force_gfx_clock(struct drm_i915_private *dev_priv, bool force_on)
+static int vlv_force_gfx_clock(struct drm_i915_private *i915, bool force_on)
 {
+       struct intel_uncore *uncore = &i915->uncore;
        u32 val;
        int err;
 
-       val = I915_READ(VLV_GTLC_SURVIVABILITY_REG);
+       val = intel_uncore_read(uncore, VLV_GTLC_SURVIVABILITY_REG);
        val &= ~VLV_GFX_CLK_FORCE_ON_BIT;
        if (force_on)
                val |= VLV_GFX_CLK_FORCE_ON_BIT;
-       I915_WRITE(VLV_GTLC_SURVIVABILITY_REG, val);
+       intel_uncore_write(uncore, VLV_GTLC_SURVIVABILITY_REG, val);
 
        if (!force_on)
                return 0;
 
-       err = intel_wait_for_register(&dev_priv->uncore,
+       err = intel_wait_for_register(uncore,
                                      VLV_GTLC_SURVIVABILITY_REG,
                                      VLV_GFX_CLK_STATUS_BIT,
                                      VLV_GFX_CLK_STATUS_BIT,
                                      20);
        if (err)
-               drm_err(&dev_priv->drm,
+               drm_err(&i915->drm,
                        "timeout waiting for GFX clock force-on (%08x)\n",
-                       I915_READ(VLV_GTLC_SURVIVABILITY_REG));
+                       intel_uncore_read(uncore, VLV_GTLC_SURVIVABILITY_REG));
 
        return err;
 }
 
-static int vlv_allow_gt_wake(struct drm_i915_private *dev_priv, bool allow)
+static int vlv_allow_gt_wake(struct drm_i915_private *i915, bool allow)
 {
+       struct intel_uncore *uncore = &i915->uncore;
        u32 mask;
        u32 val;
        int err;
 
-       val = I915_READ(VLV_GTLC_WAKE_CTRL);
+       val = intel_uncore_read(uncore, VLV_GTLC_WAKE_CTRL);
        val &= ~VLV_GTLC_ALLOWWAKEREQ;
        if (allow)
                val |= VLV_GTLC_ALLOWWAKEREQ;
-       I915_WRITE(VLV_GTLC_WAKE_CTRL, val);
-       POSTING_READ(VLV_GTLC_WAKE_CTRL);
+       intel_uncore_write(uncore, VLV_GTLC_WAKE_CTRL, val);
+       intel_uncore_posting_read(uncore, VLV_GTLC_WAKE_CTRL);
 
        mask = VLV_GTLC_ALLOWWAKEACK;
        val = allow ? mask : 0;
 
-       err = vlv_wait_for_pw_status(dev_priv, mask, val);
+       err = vlv_wait_for_pw_status(i915, mask, val);
        if (err)
-               drm_err(&dev_priv->drm, "timeout disabling GT waking\n");
+               drm_err(&i915->drm, "timeout disabling GT waking\n");
 
        return err;
 }
@@ -372,14 +376,15 @@ static void vlv_wait_for_gt_wells(struct drm_i915_private *dev_priv,
                        onoff(wait_for_on));
 }
 
-static void vlv_check_no_gt_access(struct drm_i915_private *dev_priv)
+static void vlv_check_no_gt_access(struct drm_i915_private *i915)
 {
-       if (!(I915_READ(VLV_GTLC_PW_STATUS) & VLV_GTLC_ALLOWWAKEERR))
+       struct intel_uncore *uncore = &i915->uncore;
+
+       if (!(intel_uncore_read(uncore, VLV_GTLC_PW_STATUS) & VLV_GTLC_ALLOWWAKEERR))
                return;
 
-       drm_dbg(&dev_priv->drm,
-               "GT register access while GT waking disabled\n");
-       I915_WRITE(VLV_GTLC_PW_STATUS, VLV_GTLC_ALLOWWAKEERR);
+       drm_dbg(&i915->drm, "GT register access while GT waking disabled\n");
+       intel_uncore_write(uncore, VLV_GTLC_PW_STATUS, VLV_GTLC_ALLOWWAKEERR);
 }
 
 int vlv_suspend_complete(struct drm_i915_private *dev_priv)
@@ -398,7 +403,7 @@ int vlv_suspend_complete(struct drm_i915_private *dev_priv)
 
        mask = VLV_GTLC_RENDER_CTX_EXISTS | VLV_GTLC_MEDIA_CTX_EXISTS;
        drm_WARN_ON(&dev_priv->drm,
-                   (I915_READ(VLV_GTLC_WAKE_CTRL) & mask) != mask);
+                   (intel_uncore_read(&dev_priv->uncore, VLV_GTLC_WAKE_CTRL) & mask) != mask);
 
        vlv_check_no_gt_access(dev_priv);