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drm/i915: pageflip fixes 

This patch brings the tree up to date with some fixes that were in a
more recent version of the page flipping patch you applied.  It fixes
pre-965 flip support, removes a leftover hack that forced alignment,
and initializes the pipe & plane CRTC mappings.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Jesse Barnes 2009-12-02 13:42:53 -08:00 committed by Eric Anholt
parent 6e36595a21
commit 22fd0fab3b
1 changed files with 13 additions and 3 deletions
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16
drivers/gpu/drm/i915/intel_display.c
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@ -1213,7 +1213,6 @@ intel_pin_and_fence_fb_obj(struct drm_device *dev, struct drm_gem_object *obj)
BUG();
}
alignment = 256 * 1024;
ret = i915_gem_object_pin(obj, alignment);
if (ret != 0)
return ret;
@ -4227,8 +4226,13 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
OUT_RING(MI_DISPLAY_FLIP |
MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
OUT_RING(fb->pitch);
OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);
OUT_RING((fb->width << 16) | fb->height);
if (IS_I965G(dev)) {
OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);
OUT_RING((fb->width << 16) | fb->height);
} else {
OUT_RING(obj_priv->gtt_offset);
OUT_RING(MI_NOOP);
}
ADVANCE_LP_RING();
mutex_unlock(&dev->struct_mutex);
@ -4258,6 +4262,7 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
static void intel_crtc_init(struct drm_device *dev, int pipe)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc;
int i;
@ -4284,6 +4289,11 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
intel_crtc->plane = ((pipe == 0) ? 1 : 0);
}
BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL);
dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base;
dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base;
intel_crtc->cursor_addr = 0;
intel_crtc->dpms_mode = DRM_MODE_DPMS_OFF;
drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs);