On Tue, Nov 24, 2020 at 10:11:56PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Let's do the kill_bigjoiner_slave() thing from
> intel_bigjoiner_add_affected_crtcs() since it's related to
> what we do there. This cleans up the logic in the
> compute_config() loop a bit.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Manasi
> ---
> drivers/gpu/drm/i915/display/intel_display.c | 25 ++++++++------------
> 1 file changed, 10 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 04dad3baf8a0..a1eed30b2e0c 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -15373,21 +15373,16 @@ static int intel_atomic_check_bigjoiner(struct intel_atomic_state *state,
> return -EINVAL;
> }
>
> -static int kill_bigjoiner_slave(struct intel_atomic_state *state,
> - struct intel_crtc_state *master_crtc_state)
> +static void kill_bigjoiner_slave(struct intel_atomic_state *state,
> + struct intel_crtc_state *master_crtc_state)
> {
> struct intel_crtc_state *slave_crtc_state =
> - intel_atomic_get_crtc_state(&state->base,
> - master_crtc_state->bigjoiner_linked_crtc);
> -
> - if (IS_ERR(slave_crtc_state))
> - return PTR_ERR(slave_crtc_state);
> + intel_atomic_get_new_crtc_state(state, master_crtc_state->bigjoiner_linked_crtc);
>
> slave_crtc_state->bigjoiner = master_crtc_state->bigjoiner = false;
> slave_crtc_state->bigjoiner_slave = master_crtc_state->bigjoiner_slave = false;
> slave_crtc_state->bigjoiner_linked_crtc = master_crtc_state->bigjoiner_linked_crtc = NULL;
> intel_crtc_copy_uapi_to_hw_state(state, slave_crtc_state);
> - return 0;
> }
>
> /**
> @@ -15557,6 +15552,13 @@ static int intel_bigjoiner_add_affected_crtcs(struct intel_atomic_state *state)
> return ret;
> }
>
> + for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
> + /* Kill old bigjoiner link, we may re-establish afterwards */
> + if (needs_modeset(crtc_state) &&
> + crtc_state->bigjoiner && !crtc_state->bigjoiner_slave)
> + kill_bigjoiner_slave(state, crtc_state);
> + }
> +
> return 0;
> }
>
> @@ -15598,13 +15600,6 @@ static int intel_atomic_check(struct drm_device *dev,
> continue;
> }
>
> - /* Kill old bigjoiner link, we may re-establish afterwards */
> - if (old_crtc_state->bigjoiner && !old_crtc_state->bigjoiner_slave) {
> - ret = kill_bigjoiner_slave(state, new_crtc_state);
> - if (ret)
> - goto fail;
> - }
> -
> if (!new_crtc_state->uapi.enable) {
> if (!new_crtc_state->bigjoiner_slave) {
> intel_crtc_copy_uapi_to_hw_state(state, new_crtc_state);
> --
> 2.26.2
>
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