On Wed, 4 Aug 2010 21:22:09 +0200
Daniel Vetter <daniel.vet...@ffwll.ch> wrote:
> Add a new path for 2nd gen chips that uses the commands for i81x
> chips (where public docs do exist) augmented with the plane bits
> from i915. It seems to work and doesn't result in a black screen
> like before.
>
> Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
> Cc: sta...@kernel.org
> ---
> drivers/gpu/drm/i915/intel_display.c | 8 +++++++-
> 1 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c
> b/drivers/gpu/drm/i915/intel_display.c
> index 8359c50..8135ee0 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -4933,12 +4933,18 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
> OUT_RING(obj_priv->gtt_offset | obj_priv->tiling_mode);
> pipesrc = I915_READ(pipesrc_reg);
> OUT_RING(pipesrc & 0x0fff0fff);
> - } else {
> + } else if (IS_GEN3(dev)) {
> OUT_RING(MI_DISPLAY_FLIP_I915 |
> MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
> OUT_RING(fb->pitch);
> OUT_RING(obj_priv->gtt_offset);
> OUT_RING(MI_NOOP);
> + } else {
> + OUT_RING(MI_DISPLAY_FLIP |
> + MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
> + OUT_RING(fb->pitch);
> + OUT_RING(obj_priv->gtt_offset);
> + OUT_RING(MI_NOOP);
> }
> ADVANCE_LP_RING();
Yep, looks fine.
Reviewed-by: Jesse Barnes <jbar...@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
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