Hi Sam,
Thank you for the patch, and sorry for the review delay. The series only
recently jumped to the top of my inbox.
On Sun, Jul 17, 2022 at 07:44:43PM +0200, Sam Ravnborg wrote:
> The atomic variants of enable/disable in drm_bridge_funcs are the
> preferred operations - introduce these.
>
> The ps8640 driver used the non-atomic variants of the
> drm_bridge_chain_pre_enable/
> drm_bridge_chain_post_disable - convert these to the atomic variants.
>
> v2:
> - Init state operations in drm_bridge_funcs (Laurent)
>
> Signed-off-by: Sam Ravnborg <s...@ravnborg.org>
> Reviewed-by: Maxime Ripard <mrip...@kernel.org>
> Cc: Jitao Shi <jitao....@mediatek.com>
> Cc: Enric Balletbo i Serra <enric.balle...@collabora.com>
> Cc: Philip Chen <philipc...@chromium.org>
> Cc: Andrzej Hajda <a.ha...@samsung.com>
> Cc: Neil Armstrong <narmstr...@baylibre.com>
> Cc: Robert Foss <robert.f...@linaro.org>
> Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> Cc: Jonas Karlman <jo...@kwiboo.se>
> Cc: Jernej Skrabec <jernej.skra...@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> ---
> drivers/gpu/drm/bridge/parade-ps8640.c | 18 ++++++++++++------
> 1 file changed, 12 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c
> b/drivers/gpu/drm/bridge/parade-ps8640.c
> index 31e88cb39f8a..bb8076fb8625 100644
> --- a/drivers/gpu/drm/bridge/parade-ps8640.c
> +++ b/drivers/gpu/drm/bridge/parade-ps8640.c
> @@ -15,6 +15,7 @@
>
> #include <drm/display/drm_dp_aux_bus.h>
> #include <drm/display/drm_dp_helper.h>
> +#include <drm/drm_atomic_state_helper.h>
> #include <drm/drm_bridge.h>
> #include <drm/drm_edid.h>
> #include <drm/drm_mipi_dsi.h>
> @@ -409,7 +410,8 @@ static const struct dev_pm_ops ps8640_pm_ops = {
> pm_runtime_force_resume)
> };
>
> -static void ps8640_pre_enable(struct drm_bridge *bridge)
> +static void ps8640_atomic_pre_enable(struct drm_bridge *bridge,
> + struct drm_bridge_state *old_bridge_state)
> {
> struct ps8640 *ps_bridge = bridge_to_ps8640(bridge);
> struct regmap *map = ps_bridge->regmap[PAGE2_TOP_CNTL];
> @@ -443,7 +445,8 @@ static void ps8640_pre_enable(struct drm_bridge *bridge)
> ps_bridge->pre_enabled = true;
> }
>
> -static void ps8640_post_disable(struct drm_bridge *bridge)
> +static void ps8640_atomic_post_disable(struct drm_bridge *bridge,
> + struct drm_bridge_state
> *old_bridge_state)
> {
> struct ps8640 *ps_bridge = bridge_to_ps8640(bridge);
>
> @@ -521,7 +524,7 @@ static struct edid *ps8640_bridge_get_edid(struct
> drm_bridge *bridge,
> * EDID, for this chip, we need to do a full poweron, otherwise it will
> * fail.
> */
> - drm_bridge_chain_pre_enable(bridge);
> + drm_atomic_bridge_chain_pre_enable(bridge, connector->state->state);
>
> edid = drm_get_edid(connector,
> ps_bridge->page[PAGE0_DP_CNTL]->adapter);
> @@ -531,7 +534,7 @@ static struct edid *ps8640_bridge_get_edid(struct
> drm_bridge *bridge,
> * before, return the chip to its original power state.
> */
> if (poweroff)
> - drm_bridge_chain_post_disable(bridge);
> + drm_atomic_bridge_chain_post_disable(bridge,
> connector->state->state);
>
> return edid;
> }
> @@ -546,8 +549,11 @@ static const struct drm_bridge_funcs ps8640_bridge_funcs
> = {
> .attach = ps8640_bridge_attach,
> .detach = ps8640_bridge_detach,
> .get_edid = ps8640_bridge_get_edid,
> - .post_disable = ps8640_post_disable,
> - .pre_enable = ps8640_pre_enable,
> + .atomic_post_disable = ps8640_atomic_post_disable,
> + .atomic_pre_enable = ps8640_atomic_pre_enable,
> + .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
> + .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
> + .atomic_reset = drm_atomic_helper_bridge_reset,
> };
>
> static int ps8640_bridge_get_dsi_resources(struct device *dev, struct ps8640
> *ps_bridge)
--
Regards,
Laurent Pinchart
