linux-kernel - [PATCH] drm/tegra: hub: Use state directly

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Message-Id: <20180418104019.31344-1-stschake@gmail.com>
Date:   Wed, 18 Apr 2018 03:40:19 -0700
From:   Stefan Schake <stschake@...il.com>
To:     thierry.reding@...il.com
Cc:     airlied@...ux.ie, jonathanh@...dia.com,
        dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stefan Schake <stschake@...il.com>
Subject: [PATCH] drm/tegra: hub: Use state directly

Using drm_atomic_get_private_obj_state after state has been swapped
will return old state.

Fixes: 0281c4149021 ("drm/tegra: hub: Use private object for global state")
Signed-off-by: Stefan Schake <stschake@...il.com>
---
 drivers/gpu/drm/tegra/hub.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c
index 9a3f23d4780f..bdd2cdd0745c 100644
--- a/drivers/gpu/drm/tegra/hub.c
+++ b/drivers/gpu/drm/tegra/hub.c
@@ -683,12 +683,11 @@ void tegra_display_hub_atomic_commit(struct drm_device *drm,
 {
 	struct tegra_drm *tegra = drm->dev_private;
 	struct tegra_display_hub *hub = tegra->hub;
-	struct tegra_display_hub_state *hub_state;
+	struct tegra_display_hub_state *hub_state =
+		to_tegra_display_hub_state(hub->base.state);
 	struct device *dev = hub->client.dev;
 	int err;
 
-	hub_state = tegra_display_hub_get_state(hub, state);
-
 	if (hub_state->clk) {
 		err = clk_set_rate(hub_state->clk, hub_state->rate);
 		if (err < 0)
-- 
2.14.1