On Tue, Apr 07, 2015 at 03:28:46PM -0700, Chandra Konduru wrote:
> This patch enables skylake primary plane scaling using shared
> scalers atomic desgin.
>
> v2:
> -use single copy of scaler limits (Matt)
>
> v3:
> -move detach_scalers to crtc commit path (Matt)
> -use values in plane_state->src as regular integers (me)
>
> v4:
> -changes to align with updated scaler structures (Matt, me)
> -keep plane src rect in 16.16 format (Matt, Daniel)
>
> Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_atomic.c | 5 +-
> drivers/gpu/drm/i915/intel_display.c | 96 ++++++++++++++++++++++++++++++++--
> drivers/gpu/drm/i915/intel_drv.h | 1 +
> drivers/gpu/drm/i915/intel_sprite.c | 9 ++++
> 4 files changed, 105 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
> index 2fc04ec..8f759c6 100644
> --- a/drivers/gpu/drm/i915/intel_atomic.c
> +++ b/drivers/gpu/drm/i915/intel_atomic.c
> @@ -167,7 +167,7 @@ int intel_atomic_commit(struct drm_device *dev,
> plane->state->state = NULL;
> }
>
> - /* swap crtc_state */
> + /* swap crtc_scaler_state */
> for (i = 0; i < dev->mode_config.num_crtc; i++) {
> struct drm_crtc *crtc = state->crtcs[i];
> if (!crtc) {
> @@ -176,6 +176,9 @@ int intel_atomic_commit(struct drm_device *dev,
>
> to_intel_crtc(crtc)->config->scaler_state =
> to_intel_crtc_state(state->crtc_states[i])->scaler_state;
> +
> + if (INTEL_INFO(dev)->gen >= 9)
> + skl_detach_scalers(to_intel_crtc(crtc));
> }
>
> drm_atomic_helper_commit_planes(dev, state);
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index aa4da1f..c7ee232 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -2978,6 +2978,14 @@ static void skylake_update_primary_plane(struct drm_crtc *crtc,
And one real piece of review feedback: This function is now definitely too
long. Same holds for the sprite update function below.
Can you (or Sonika) please follow up with a few patches to extract
subroutines to make this a bit easier to read?
Thanks, Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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