[PATCH 3/4] drm/i915: Flatten DRIVER_MODESET checks in i915_irq.c

[Daniel Vetter]

UMS is no more!

Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/i915/i915_irq.c | 36 +++++++++++-------------------------
 1 file changed, 11 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 80f35dcffea4..37189a25ca82 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -557,28 +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 (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;
@@ -4330,10 +4318,8 @@ 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;
-- 
1.9.3