Now that we no longer pretend to have flexibility in matching any north display block with any pch, we can ditch this.
Signed-off-by: Daniel Vetter <[email protected]> --- drivers/gpu/drm/i915/i915_drv.h | 1 - drivers/gpu/drm/i915/intel_pm.c | 71 +++++++++++++++++++---------------------- 2 files changed, 32 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index faf57d6..7186a41a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -270,7 +270,6 @@ struct drm_i915_display_funcs { struct drm_crtc *crtc); void (*fdi_link_train)(struct drm_crtc *crtc); void (*init_clock_gating)(struct drm_device *dev); - void (*init_pch_clock_gating)(struct drm_device *dev); int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_i915_gem_object *obj); diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 1d96c1f..919c1f4 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3324,6 +3324,18 @@ void intel_enable_gt_powersave(struct drm_device *dev) } } +static void ibx_init_clock_gating(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* + * On Ibex Peak and Cougar Point, we need to disable clock + * gating for the panel power sequencer or it will fail to + * start up when no ports are active. + */ + I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); +} + static void ironlake_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -3382,6 +3394,22 @@ static void ironlake_init_clock_gating(struct drm_device *dev) I915_WRITE(_3D_CHICKEN2, _3D_CHICKEN2_WM_READ_PIPELINED << 16 | _3D_CHICKEN2_WM_READ_PIPELINED); + + ibx_init_clock_gating(dev); +} + +static void cpt_init_clock_gating(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* + * On Ibex Peak and Cougar Point, we need to disable clock + * gating for the panel power sequencer or it will fail to + * start up when no ports are active. + */ + I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); + I915_WRITE(SOUTH_CHICKEN2, I915_READ(SOUTH_CHICKEN2) | + DPLS_EDP_PPS_FIX_DIS); } static void gen6_init_clock_gating(struct drm_device *dev) @@ -3464,6 +3492,8 @@ static void gen6_init_clock_gating(struct drm_device *dev) * platforms I checked have a 0 for this. (Maybe BIOS overrides?) */ I915_WRITE(GEN6_GT_MODE, _MASKED_BIT_DISABLE(0xffff)); I915_WRITE(GEN6_GT_MODE, _MASKED_BIT_ENABLE(GEN6_GT_MODE_HI)); + + cpt_init_clock_gating(dev); } static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv) @@ -3608,6 +3638,8 @@ static void ivybridge_init_clock_gating(struct drm_device *dev) snpcr &= ~GEN6_MBC_SNPCR_MASK; snpcr |= GEN6_MBC_SNPCR_MED; I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); + + cpt_init_clock_gating(dev); } static void valleyview_init_clock_gating(struct drm_device *dev) @@ -3771,45 +3803,11 @@ static void i830_init_clock_gating(struct drm_device *dev) I915_WRITE(DSPCLK_GATE_D, OVRUNIT_CLOCK_GATE_DISABLE); } -static void ibx_init_clock_gating(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - /* - * On Ibex Peak and Cougar Point, we need to disable clock - * gating for the panel power sequencer or it will fail to - * start up when no ports are active. - */ - I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); -} - -static void cpt_init_clock_gating(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - /* - * On Ibex Peak and Cougar Point, we need to disable clock - * gating for the panel power sequencer or it will fail to - * start up when no ports are active. - */ - I915_WRITE(SOUTH_DSPCLK_GATE_D, PCH_DPLSUNIT_CLOCK_GATE_DISABLE); - I915_WRITE(SOUTH_CHICKEN2, I915_READ(SOUTH_CHICKEN2) | - DPLS_EDP_PPS_FIX_DIS); - /* WADP0ClockGatingDisable */ - for_each_pipe(pipe) { - I915_WRITE(TRANS_CHICKEN1(pipe), - TRANS_CHICKEN1_DP0UNIT_GC_DISABLE); - } -} - void intel_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; dev_priv->display.init_clock_gating(dev); - - if (dev_priv->display.init_pch_clock_gating) - dev_priv->display.init_pch_clock_gating(dev); } /* Set up chip specific power management-related functions */ @@ -3842,11 +3840,6 @@ void intel_init_pm(struct drm_device *dev) /* For FIFO watermark updates */ if (HAS_PCH_SPLIT(dev)) { - if (HAS_PCH_IBX(dev)) - dev_priv->display.init_pch_clock_gating = ibx_init_clock_gating; - else if (HAS_PCH_CPT(dev)) - dev_priv->display.init_pch_clock_gating = cpt_init_clock_gating; - if (IS_GEN5(dev)) { if (I915_READ(MLTR_ILK) & ILK_SRLT_MASK) dev_priv->display.update_wm = ironlake_update_wm; -- 1.7.11.4 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
