Hi Biju,
Thank you for the patch.
On Sun, Aug 13, 2023 at 07:05:10PM +0100, Biju Das wrote:
> The ADV7533 and ADV7535 have DSI support. Add a feature bit has_dsi to
> struct adv7511_chip_info for handling configuration related to DSI.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/adv7511/adv7511.h | 1 +
> drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 20 +++++++++++---------
> 2 files changed, 12 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> index b29d11cae932..2a017bb31a14 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h
> @@ -339,6 +339,7 @@ struct adv7511_chip_info {
> unsigned long max_lane_freq;
> const char * const *supply_names;
> unsigned int num_supplies;
> + unsigned has_dsi:1;
As you're not short of space here, I'd make this a bool.
> };
>
> struct adv7511 {
> diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> index f6f15c1b0882..66b3f8fcf67d 100644
> --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c
> @@ -373,7 +373,7 @@ static void adv7511_power_on(struct adv7511 *adv7511)
> */
> regcache_sync(adv7511->regmap);
>
> - if (adv7511->info->type == ADV7533 || adv7511->info->type == ADV7535)
> + if (adv7511->info->has_dsi)
> adv7533_dsi_power_on(adv7511);
> adv7511->powered = true;
> }
> @@ -397,7 +397,7 @@ static void __adv7511_power_off(struct adv7511 *adv7511)
> static void adv7511_power_off(struct adv7511 *adv7511)
> {
> __adv7511_power_off(adv7511);
> - if (adv7511->info->type == ADV7533 || adv7511->info->type == ADV7535)
> + if (adv7511->info->has_dsi)
> adv7533_dsi_power_off(adv7511);
> adv7511->powered = false;
> }
> @@ -786,7 +786,7 @@ static void adv7511_mode_set(struct adv7511 *adv7511,
> else
> low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE;
>
> - if (adv7511->info->type == ADV7511)
> + if (!adv7511->info->has_dsi)
While this is functionally equivalent, is the register below really
related to DSI ? If not, I'd rather not check the has_dsi field here but
keep checking the type.
> regmap_update_bits(adv7511->regmap, 0xfb,
> 0x6, low_refresh_rate << 1);
> else
> @@ -921,7 +921,7 @@ static enum drm_mode_status adv7511_bridge_mode_valid(struct drm_bridge *bridge,
> {
> struct adv7511 *adv = bridge_to_adv7511(bridge);
>
> - if (adv->info->type == ADV7533 || adv->info->type == ADV7535)
> + if (adv->info->has_dsi)
> return adv7533_mode_valid(adv, mode);
> else
> return adv7511_mode_valid(adv, mode);
> @@ -1086,7 +1086,7 @@ static int adv7511_init_cec_regmap(struct adv7511 *adv)
> goto err;
> }
>
> - if (adv->info->type == ADV7533 || adv->info->type == ADV7535) {
> + if (adv->info->has_dsi) {
Same comment here, this doesn't seem logically right.
> ret = adv7533_patch_cec_registers(adv);
> if (ret)
> goto err;
> @@ -1245,7 +1245,7 @@ static int adv7511_probe(struct i2c_client *i2c)
> goto uninit_regulators;
> dev_dbg(dev, "Rev. %d\n", val);
>
> - if (info->type == ADV7511)
> + if (!info->has_dsi)
And here too.
> ret = regmap_register_patch(adv7511->regmap,
> adv7511_fixed_registers,
> ARRAY_SIZE(adv7511_fixed_registers));
> @@ -1316,7 +1316,7 @@ static int adv7511_probe(struct i2c_client *i2c)
>
> adv7511_audio_init(dev, adv7511);
>
> - if (info->type == ADV7533 || info->type == ADV7535) {
> + if (info->has_dsi) {
> ret = adv7533_attach_dsi(adv7511);
> if (ret)
> goto err_unregister_audio;
> @@ -1370,7 +1370,8 @@ static const struct adv7511_chip_info adv7533_chip_info = {
> .max_mode_clock = 80000,
> .max_lane_freq = 800000,
> .supply_names = adv7533_supply_names,
> - .num_supplies = ARRAY_SIZE(adv7533_supply_names)
> + .num_supplies = ARRAY_SIZE(adv7533_supply_names),
> + .has_dsi = 1
> };
>
> static const struct adv7511_chip_info adv7535_chip_info = {
> @@ -1378,7 +1379,8 @@ static const struct adv7511_chip_info adv7535_chip_info = {
> .max_mode_clock = 148500,
> .max_lane_freq = 891000,
> .supply_names = adv7533_supply_names,
> - .num_supplies = ARRAY_SIZE(adv7533_supply_names)
> + .num_supplies = ARRAY_SIZE(adv7533_supply_names),
> + .has_dsi = 1
> };
>
> static const struct i2c_device_id adv7511_i2c_ids[] = {
--
Regards,
Laurent Pinchart
