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path: root/drivers/gpu/drm/i915/i915_irq.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c95
1 files changed, 13 insertions, 82 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ede5bbbd8a08..9baecb79de8c 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -492,31 +492,6 @@ static void i915_enable_asle_pipestat(struct drm_device *dev)
spin_unlock_irq(&dev_priv->irq_lock);
}
-/**
- * i915_pipe_enabled - check if a pipe is enabled
- * @dev: DRM device
- * @pipe: pipe to check
- *
- * Reading certain registers when the pipe is disabled can hang the chip.
- * Use this routine to make sure the PLL is running and the pipe is active
- * before reading such registers if unsure.
- */
-static int
-i915_pipe_enabled(struct drm_device *dev, int pipe)
-{
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- /* Locking is horribly broken here, but whatever. */
- struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
- struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
- return intel_crtc->active;
- } else {
- return I915_READ(PIPECONF(pipe)) & PIPECONF_ENABLE;
- }
-}
-
/*
* This timing diagram depicts the video signal in and
* around the vertical blanking period.
@@ -582,34 +557,16 @@ static u32 i915_get_vblank_counter(struct drm_device *dev, int pipe)
unsigned long high_frame;
unsigned long low_frame;
u32 high1, high2, low, pixel, vbl_start, hsync_start, htotal;
+ struct intel_crtc *intel_crtc =
+ to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
+ const struct drm_display_mode *mode =
+ &intel_crtc->config->base.adjusted_mode;
- if (!i915_pipe_enabled(dev, pipe)) {
- DRM_DEBUG_DRIVER("trying to get vblank count for disabled "
- "pipe %c\n", pipe_name(pipe));
- return 0;
- }
-
- if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- struct intel_crtc *intel_crtc =
- to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]);
- const struct drm_display_mode *mode =
- &intel_crtc->config->base.adjusted_mode;
-
- htotal = mode->crtc_htotal;
- hsync_start = mode->crtc_hsync_start;
- vbl_start = mode->crtc_vblank_start;
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- vbl_start = DIV_ROUND_UP(vbl_start, 2);
- } else {
- enum transcoder cpu_transcoder = (enum transcoder) pipe;
-
- htotal = ((I915_READ(HTOTAL(cpu_transcoder)) >> 16) & 0x1fff) + 1;
- hsync_start = (I915_READ(HSYNC(cpu_transcoder)) & 0x1fff) + 1;
- vbl_start = (I915_READ(VBLANK(cpu_transcoder)) & 0x1fff) + 1;
- if ((I915_READ(PIPECONF(cpu_transcoder)) &
- PIPECONF_INTERLACE_MASK) != PIPECONF_PROGRESSIVE)
- vbl_start = DIV_ROUND_UP(vbl_start, 2);
- }
+ htotal = mode->crtc_htotal;
+ hsync_start = mode->crtc_hsync_start;
+ vbl_start = mode->crtc_vblank_start;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ vbl_start = DIV_ROUND_UP(vbl_start, 2);
/* Convert to pixel count */
vbl_start *= htotal;
@@ -648,12 +605,6 @@ static u32 gm45_get_vblank_counter(struct drm_device *dev, int pipe)
struct drm_i915_private *dev_priv = dev->dev_private;
int reg = PIPE_FRMCOUNT_GM45(pipe);
- if (!i915_pipe_enabled(dev, pipe)) {
- DRM_DEBUG_DRIVER("trying to get vblank count for disabled "
- "pipe %c\n", pipe_name(pipe));
- return 0;
- }
-
return I915_READ(reg);
}
@@ -840,7 +791,7 @@ static int i915_get_vblank_timestamp(struct drm_device *dev, int pipe,
return -EINVAL;
}
- if (!crtc->enabled) {
+ if (!crtc->state->enable) {
DRM_DEBUG_KMS("crtc %d is disabled\n", pipe);
return -EBUSY;
}
@@ -1243,10 +1194,7 @@ static void gen6_pm_rps_work(struct work_struct *work)
dev_priv->rps.last_adj = new_delay - dev_priv->rps.cur_freq;
- if (IS_VALLEYVIEW(dev_priv->dev))
- valleyview_set_rps(dev_priv->dev, new_delay);
- else
- gen6_set_rps(dev_priv->dev, new_delay);
+ intel_set_rps(dev_priv->dev, new_delay);
mutex_unlock(&dev_priv->rps.hw_lock);
}
@@ -2662,9 +2610,6 @@ static int i915_enable_vblank(struct drm_device *dev, int pipe)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
- if (!i915_pipe_enabled(dev, pipe))
- return -EINVAL;
-
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
if (INTEL_INFO(dev)->gen >= 4)
i915_enable_pipestat(dev_priv, pipe,
@@ -2684,9 +2629,6 @@ static int ironlake_enable_vblank(struct drm_device *dev, int pipe)
uint32_t bit = (INTEL_INFO(dev)->gen >= 7) ? DE_PIPE_VBLANK_IVB(pipe) :
DE_PIPE_VBLANK(pipe);
- if (!i915_pipe_enabled(dev, pipe))
- return -EINVAL;
-
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
ironlake_enable_display_irq(dev_priv, bit);
spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
@@ -2699,9 +2641,6 @@ static int valleyview_enable_vblank(struct drm_device *dev, int pipe)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
- if (!i915_pipe_enabled(dev, pipe))
- return -EINVAL;
-
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
i915_enable_pipestat(dev_priv, pipe,
PIPE_START_VBLANK_INTERRUPT_STATUS);
@@ -2715,9 +2654,6 @@ static int gen8_enable_vblank(struct drm_device *dev, int pipe)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
- if (!i915_pipe_enabled(dev, pipe))
- return -EINVAL;
-
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
dev_priv->de_irq_mask[pipe] &= ~GEN8_PIPE_VBLANK;
I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]);
@@ -2769,9 +2705,6 @@ static void gen8_disable_vblank(struct drm_device *dev, int pipe)
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned long irqflags;
- if (!i915_pipe_enabled(dev, pipe))
- return;
-
spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
dev_priv->de_irq_mask[pipe] |= GEN8_PIPE_VBLANK;
I915_WRITE(GEN8_DE_PIPE_IMR(pipe), dev_priv->de_irq_mask[pipe]);
@@ -4392,10 +4325,8 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
if (!IS_GEN2(dev_priv))
dev->vblank_disable_immediate = true;
- if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp;
- dev->driver->get_scanout_position = i915_get_crtc_scanoutpos;
- }
+ dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp;
+ dev->driver->get_scanout_position = i915_get_crtc_scanoutpos;
if (IS_CHERRYVIEW(dev_priv)) {
dev->driver->irq_handler = cherryview_irq_handler;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 22:22:12 +0000