Re: [PATCH v8 06/13] drm/bridge: analogix_dp: Add support to get panel from the DP AUX bus

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Hi,

On Mon, Mar 10, 2025 at 3:42 AM Damon Ding <damon.ding@xxxxxxxxxxxxxx> wrote:
>
> The main modification is moving the DP AUX initialization from function
> analogix_dp_bind() to analogix_dp_probe(). In order to get the EDID of
> eDP panel during probing, it is also needed to advance PM operations to
> ensure that eDP controller and phy are prepared for AUX transmission.
>
> Signed-off-by: Damon Ding <damon.ding@xxxxxxxxxxxxxx>
>
> ---
>
> Changes in v4:
> - Use done_probing() to call drm_of_find_panel_or_bridge() and
>   component_add() when getting panel from the DP AUX bus
>
> Changes in v5:
> - Advance PM operations to make eDP AUX work well
>
> Changes in v6:
> - Use devm_pm_runtime_enable() instead of devm_add_action_or_reset()
> - Add a new function analogix_dp_remove() to ensure symmetry for PM
>   operations
>
> Changes in v7:
> - Fix the misspelling of word 'operations' in commit message
> - Remove the check related to CONFIG_PM
> - Remove the unnecessary call to pm_runtime_dont_use_autosuspend() if
>   devm_pm_runtime_enable() fails
> - Remove unnecessary function analogix_dp_remove()
> - Add new function analogix_dpaux_wait_hpd_asserted()
>
> Changes in v8:
> - Move the addition of the analogix_dpaux_wait_hpd_asserted() to the
>   other patch
> ---
>  .../drm/bridge/analogix/analogix_dp_core.c    | 20 ++++++++++---------
>  1 file changed, 11 insertions(+), 9 deletions(-)

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>




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