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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c2c8e95ff14d..3387cf32f385 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -657,6 +657,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
int dspbase = (pipe == 0 ? DSPAADDR : DSPBADDR);
int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
+ int dsptileoff = (pipe == 0 ? DSPATILEOFF : DSPBTILEOFF);
int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
u32 dspcntr, alignment;
int ret;
@@ -733,6 +734,13 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
+ if (IS_I965G(dev)) {
+ if (obj_priv->tiling_mode != I915_TILING_NONE)
+ dspcntr |= DISPPLANE_TILED;
+ else
+ dspcntr &= ~DISPPLANE_TILED;
+ }
+
I915_WRITE(dspcntr_reg, dspcntr);
Start = obj_priv->gtt_offset;
@@ -745,6 +753,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
I915_READ(dspbase);
I915_WRITE(dspsurf, Start);
I915_READ(dspsurf);
+ I915_WRITE(dsptileoff, (y << 16) | x);
} else {
I915_WRITE(dspbase, Start + Offset);
I915_READ(dspbase);
@@ -1795,6 +1804,37 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
}
}
+int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data;
+ struct drm_crtc *crtc = NULL;
+ int pipe = -1;
+
+ if (!dev_priv) {
+ DRM_ERROR("called with no initialization\n");
+ return -EINVAL;
+ }
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+ if (crtc->base.id == pipe_from_crtc_id->crtc_id) {
+ pipe = intel_crtc->pipe;
+ break;
+ }
+ }
+
+ if (pipe == -1) {
+ DRM_ERROR("no such CRTC id\n");
+ return -EINVAL;
+ }
+
+ pipe_from_crtc_id->pipe = pipe;
+
+ return 0;
+}
+
struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
{
struct drm_crtc *crtc = NULL;