[PATCH v2 16/21] drm/i915/dp: Allocate/free DP tunnel BW in the encoder enable/disable hooks

[Ville Syrjälä]

On Tue, Feb 20, 2024 at 11:18:36PM +0200, Imre Deak wrote:
> Allocate and free the DP tunnel BW required by a stream while
> enabling/disabling the stream during a modeset.
> 
> v2:
> - Move the allocation up from encoder hooks to
>   intel_atomic_commit_tail().

Subject should be adjusted to match.

> 
> Signed-off-by: Imre Deak <imre.deak at intel.com>
> Reviewed-by: Uma Shankar <uma.shankar at intel.com> (v1)
> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c     | 1 +
>  drivers/gpu/drm/i915/display/intel_display.c | 2 ++
>  2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> index bea4415902044..ed7301808604d 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -54,6 +54,7 @@
>  #include "intel_dp_aux.h"
>  #include "intel_dp_link_training.h"
>  #include "intel_dp_mst.h"
> +#include "intel_dp_tunnel.h"
>  #include "intel_dpio_phy.h"
>  #include "intel_dsi.h"
>  #include "intel_fdi.h"
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 20647c97e86fa..445efe0087cde 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -7123,6 +7123,8 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
>  
>  	intel_commit_modeset_disables(state);
>  
> +	intel_dp_tunnel_atomic_alloc_bw(state);
> +
>  	/* FIXME: Eventually get rid of our crtc->config pointer */
>  	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i)
>  		crtc->config = new_crtc_state;
> -- 
> 2.39.2

-- 
Ville Syrjälä
Intel