diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 14817de37405e..639ec0b614509 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -316,8 +316,6 @@ struct drm_i915_display_funcs { void (*update_wm)(struct drm_device *dev); void (*update_sprite_wm)(struct drm_device *dev, int pipe, uint32_t sprite_width, int pixel_size); - void (*update_linetime_wm)(struct drm_device *dev, int pipe, - struct drm_display_mode *mode); void (*modeset_global_resources)(struct drm_device *dev); /* Returns the active state of the crtc, and if the crtc is active, * fills out the pipe-config with the hw state. */ diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c7bdbcb6a6750..684ab6417dd42 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6008,8 +6008,6 @@ static int haswell_crtc_mode_set(struct drm_crtc *crtc, intel_update_watermarks(dev); - intel_update_linetime_watermarks(dev, pipe, adjusted_mode); - return ret; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index a435ce1d075ed..75a7f22262d4e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -732,8 +732,6 @@ extern void intel_update_watermarks(struct drm_device *dev); extern void intel_update_sprite_watermarks(struct drm_device *dev, int pipe, uint32_t sprite_width, int pixel_size); -extern void intel_update_linetime_watermarks(struct drm_device *dev, int pipe, - struct drm_display_mode *mode); extern unsigned long intel_gen4_compute_page_offset(int *x, int *y, unsigned int tiling_mode, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e2255ed978945..2ae4e459faa5b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2073,12 +2073,19 @@ static void ivybridge_update_wm(struct drm_device *dev) } static void -haswell_update_linetime_wm(struct drm_device *dev, int pipe, - struct drm_display_mode *mode) +haswell_update_linetime_wm(struct drm_device *dev, struct drm_crtc *crtc) { struct drm_i915_private *dev_priv = dev->dev_private; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + enum pipe pipe = intel_crtc->pipe; + struct drm_display_mode *mode = &intel_crtc->config.adjusted_mode; u32 temp; + if (!intel_crtc_active(crtc)) { + I915_WRITE(PIPE_WM_LINETIME(pipe), 0); + return; + } + temp = I915_READ(PIPE_WM_LINETIME(pipe)); temp &= ~PIPE_WM_LINETIME_MASK; @@ -2099,6 +2106,26 @@ haswell_update_linetime_wm(struct drm_device *dev, int pipe, I915_WRITE(PIPE_WM_LINETIME(pipe), temp); } +static void haswell_update_wm(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_crtc *crtc; + enum pipe pipe; + + /* Disable the LP WMs before changine the linetime registers. This is + * just a temporary code that will be replaced soon. */ + I915_WRITE(WM3_LP_ILK, 0); + I915_WRITE(WM2_LP_ILK, 0); + I915_WRITE(WM1_LP_ILK, 0); + + for_each_pipe(pipe) { + crtc = dev_priv->pipe_to_crtc_mapping[pipe]; + haswell_update_linetime_wm(dev, crtc); + } + + sandybridge_update_wm(dev); +} + static bool sandybridge_compute_sprite_wm(struct drm_device *dev, int plane, uint32_t sprite_width, int pixel_size, @@ -2294,15 +2321,6 @@ void intel_update_watermarks(struct drm_device *dev) dev_priv->display.update_wm(dev); } -void intel_update_linetime_watermarks(struct drm_device *dev, - int pipe, struct drm_display_mode *mode) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - if (dev_priv->display.update_linetime_wm) - dev_priv->display.update_linetime_wm(dev, pipe, mode); -} - void intel_update_sprite_watermarks(struct drm_device *dev, int pipe, uint32_t sprite_width, int pixel_size) { @@ -4624,9 +4642,8 @@ void intel_init_pm(struct drm_device *dev) dev_priv->display.init_clock_gating = ivybridge_init_clock_gating; } else if (IS_HASWELL(dev)) { if (SNB_READ_WM0_LATENCY()) { - dev_priv->display.update_wm = sandybridge_update_wm; + dev_priv->display.update_wm = haswell_update_wm; dev_priv->display.update_sprite_wm = sandybridge_update_sprite_wm; - dev_priv->display.update_linetime_wm = haswell_update_linetime_wm; } else { DRM_DEBUG_KMS("Failed to read display plane latency. " "Disable CxSR\n");