This has been discussed elsewhere, but I summarize here for
transparency:
This makes some of the display registers take the NEEDS_FORCE_WAKE path
in reg reads and writes, breaking things. Rebased on top of recent
drm-intel-next-queued with Ville's IS_DISPLAYREG nuking commits this
works all right, though.
BR,
Jani.
On Sat, 02 Feb 2013, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> ---
> drivers/gpu/drm/i915/i915_drv.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
> index 13b9b4f..b35b479 100644
> --- a/drivers/gpu/drm/i915/i915_drv.c
> +++ b/drivers/gpu/drm/i915/i915_drv.c
> @@ -276,6 +276,8 @@ static const struct intel_device_info intel_valleyview_m_info = {
> .has_bsd_ring = 1,
> .has_blt_ring = 1,
> .is_valleyview = 1,
> + .has_force_wake = 1,
> + .has_llc = 0,
> };
>
> static const struct intel_device_info intel_valleyview_d_info = {
> @@ -285,6 +287,8 @@ static const struct intel_device_info intel_valleyview_d_info = {
> .has_bsd_ring = 1,
> .has_blt_ring = 1,
> .is_valleyview = 1,
> + .has_force_wake = 1,
> + .has_llc = 0,
> };
>
> static const struct intel_device_info intel_haswell_d_info = {
> --
> 1.7.9.5
>
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> Intel-gfx at lists.freedesktop.org
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