linux-kernel - [PATCH v4 06/11] drm/bridge: analogix_dp: passing the connector as an argument in .get

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Date:	Wed, 29 Jun 2016 17:15:35 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	Mark Yao <yzq@...k-chips.com>, Inki Dae <inki.dae@...sung.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Heiko Stuebner <heiko@...ech.de>
Cc:	Javier Martinez Canillas <javier@....samsung.com>,
	Stéphane Marchesin <marcheu@...omium.org>,
	Sean Paul <seanpaul@...omium.org>,
	Tomasz Figa <tfiga@...omium.org>,
	David Airlie <airlied@...ux.ie>, daniel.vetter@...ll.ch,
	Thierry Reding <treding@...dia.com>, dianders@...omium.org,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	emil.l.velikov@...il.com, Dan Carpenter <dan.carpenter@...cle.com>,
	Yakir Yang <ykk@...k-chips.com>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-samsung-soc@...r.kernel.org,
	linux-rockchip@...ts.infradead.org
Subject: [PATCH v4 06/11] drm/bridge: analogix_dp: passing the connector as an argument in .get_modes()

It's better to pass the connector to platform driver in .get_modes()
callback, just like what the .get_modes() helper function designed.

Signed-off-by: Yakir Yang <ykk@...k-chips.com>
Reviewed-by: Sean Paul <seanpaul@...omium.org>
Reviewed-by: Tomasz Figa <tomasz.figa@...omium.com>
---
Changes in v4:
- Add reviewed flag from Sean.
- Add reviewed flag from Tomasz.

Changes in v3:
- Avoid to change any internal driver state in .mode_valid interface. (Tomasz, reviewed at Google Gerrit)
    [https://chromium-review.googlesource.com/#/c/346318/10/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c@113]

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 +-
 drivers/gpu/drm/exynos/exynos_dp.c                 | 4 ++--
 include/drm/bridge/analogix_dp.h                   | 3 ++-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 7699597..a5e5ae4 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -938,7 +938,7 @@ int analogix_dp_get_modes(struct drm_connector *connector)
 		num_modes += drm_panel_get_modes(dp->plat_data->panel);
 
 	if (dp->plat_data->get_modes)
-		num_modes += dp->plat_data->get_modes(dp->plat_data);
+		num_modes += dp->plat_data->get_modes(dp->plat_data, connector);
 
 	return num_modes;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index 468498e..8a555ed 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -67,10 +67,10 @@ static int exynos_dp_poweroff(struct analogix_dp_plat_data *plat_data)
 	return exynos_dp_crtc_clock_enable(plat_data, false);
 }
 
-static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data)
+static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data,
+			       struct drm_connector *connector)
 {
 	struct exynos_dp_device *dp = to_dp(plat_data);
-	struct drm_connector *connector = &dp->connector;
 	struct drm_display_mode *mode;
 	int num_modes = 0;
 
diff --git a/include/drm/bridge/analogix_dp.h b/include/drm/bridge/analogix_dp.h
index fc4aea3..261b86d 100644
--- a/include/drm/bridge/analogix_dp.h
+++ b/include/drm/bridge/analogix_dp.h
@@ -34,7 +34,8 @@ struct analogix_dp_plat_data {
 	int (*power_off)(struct analogix_dp_plat_data *);
 	int (*attach)(struct analogix_dp_plat_data *, struct drm_bridge *,
 		      struct drm_connector *);
-	int (*get_modes)(struct analogix_dp_plat_data *);
+	int (*get_modes)(struct analogix_dp_plat_data *,
+			 struct drm_connector *);
 };
 
 int analogix_dp_resume(struct device *dev);
-- 
1.9.1