Re: [PATCH 08/26] drm: Consolidate connector arrays in drm_atomic_state

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Sun, May 29, 2016 at 08:35:05PM +0200, Daniel Vetter wrote:
> It's kinda pointless to have 2 separate mallocs for these. And when we
> add more per-connector state in the future it's even more pointless.
> 
> Right now there's no such thing planned, but both Gustavo's per-crtc
> fence patches, and some nonblocking commit helpers I'm playing around
> with will add more per-crtc stuff. It makes sense to also consolidate
> connectors, just for consistency.
> 
> In the future we can use this to store a pointer to the preceeding
> state, making an atomic update entirely free-standing. This will be
> needed to be able to queue them up with a depth > 1.
> 
> Cc: Gustavo Padovan <gustavo@padovan.org>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> ---
>  drivers/gpu/drm/drm_atomic.c        | 27 +++++++++------------------
>  drivers/gpu/drm/drm_atomic_helper.c |  2 +-
>  include/drm/drm_atomic.h            | 10 +++++-----
>  include/drm/drm_crtc.h              | 11 +++++++----
>  4 files changed, 22 insertions(+), 28 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 3ff1ed7b33db..a6395e9654af 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -44,7 +44,6 @@
>  void drm_atomic_state_default_release(struct drm_atomic_state *state)
>  {
>  	kfree(state->connectors);
> -	kfree(state->connector_states);
>  	kfree(state->crtcs);
>  	kfree(state->crtc_states);
>  	kfree(state->planes);
> @@ -139,15 +138,15 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state)
>  	DRM_DEBUG_ATOMIC("Clearing atomic state %p\n", state);
>  
>  	for (i = 0; i < state->num_connector; i++) {
> -		struct drm_connector *connector = state->connectors[i];
> +		struct drm_connector *connector = state->connectors[i].ptr;

'ptr' is not a very good name.

-- 
Ville Syrjälä
Intel OTC
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