diff options
Diffstat (limited to 'drivers/gpu/drm/i915/vlv_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/vlv_suspend.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/vlv_suspend.c b/drivers/gpu/drm/i915/vlv_suspend.c index 664fde244f59..02e63ed77f60 100644 --- a/drivers/gpu/drm/i915/vlv_suspend.c +++ b/drivers/gpu/drm/i915/vlv_suspend.c @@ -194,7 +194,6 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *i915) { struct vlv_s0ix_state *s = i915->vlv_s0ix_state; struct intel_uncore *uncore = &i915->uncore; - u32 val; int i; if (!s) @@ -262,15 +261,11 @@ static void vlv_restore_gunit_s0ix_state(struct drm_i915_private *i915) * be restored, as they are used to control the s0ix suspend/resume * sequence by the caller. */ - val = intel_uncore_read(uncore, VLV_GTLC_WAKE_CTRL); - val &= VLV_GTLC_ALLOWWAKEREQ; - val |= s->gtlc_wake_ctrl & ~VLV_GTLC_ALLOWWAKEREQ; - intel_uncore_write(uncore, VLV_GTLC_WAKE_CTRL, val); + intel_uncore_rmw(uncore, VLV_GTLC_WAKE_CTRL, ~VLV_GTLC_ALLOWWAKEREQ, + s->gtlc_wake_ctrl & ~VLV_GTLC_ALLOWWAKEREQ); - 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; - intel_uncore_write(uncore, VLV_GTLC_SURVIVABILITY_REG, val); + intel_uncore_rmw(uncore, VLV_GTLC_SURVIVABILITY_REG, ~VLV_GFX_CLK_FORCE_ON_BIT, + s->gtlc_survive & ~VLV_GFX_CLK_FORCE_ON_BIT); intel_uncore_write(uncore, VLV_PMWGICZ, s->pmwgicz); @@ -308,14 +303,10 @@ static int vlv_wait_for_pw_status(struct drm_i915_private *i915, 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 = 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; - intel_uncore_write(uncore, VLV_GTLC_SURVIVABILITY_REG, val); + intel_uncore_rmw(uncore, VLV_GTLC_SURVIVABILITY_REG, VLV_GFX_CLK_FORCE_ON_BIT, + force_on ? VLV_GFX_CLK_FORCE_ON_BIT : 0); if (!force_on) return 0; @@ -340,11 +331,8 @@ static int vlv_allow_gt_wake(struct drm_i915_private *i915, bool allow) u32 val; int err; - val = intel_uncore_read(uncore, VLV_GTLC_WAKE_CTRL); - val &= ~VLV_GTLC_ALLOWWAKEREQ; - if (allow) - val |= VLV_GTLC_ALLOWWAKEREQ; - intel_uncore_write(uncore, VLV_GTLC_WAKE_CTRL, val); + intel_uncore_rmw(uncore, VLV_GTLC_WAKE_CTRL, VLV_GTLC_ALLOWWAKEREQ, + allow ? VLV_GTLC_ALLOWWAKEREQ : 0); intel_uncore_posting_read(uncore, VLV_GTLC_WAKE_CTRL); mask = VLV_GTLC_ALLOWWAKEACK; |