From: Enric Balletbo i Serra <enric.balletbo@collabora.com> To: architt@codeaurora.org, inki.dae@samsung.com, thierry.reding@gmail.com, hjc@rock-chips.com, seanpaul@chromium.org, airlied@linux.ie, tfiga@chromium.org, heiko@sntech.de Cc: hshi@chromium.org, wzz@rock-chips.com, hl@rock-chips.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, dianders@chromium.org, linux-rockchip@lists.infradead.org, orjan.eide@arm.com, m.szyprowski@samsung.com, "Stéphane Marchesin" <marcheu@chromium.org>, "Enric Balletbo i Serra" <enric.balletbo@collabora.com> Subject: [PATCH v4 15/38] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Date: Mon, 5 Mar 2018 23:23:07 +0100 [thread overview] Message-ID: <20180305222324.5872-16-enric.balletbo@collabora.com> (raw) In-Reply-To: <20180305222324.5872-1-enric.balletbo@collabora.com> From: Lin Huang <hl@rock-chips.com> When panel is shut down, we should make sure edp can be disabled to avoid undefined behavior. Cc: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Lin Huang <hl@rock-chips.com> Signed-off-by: zain wang <wzz@rock-chips.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 92fb9a072cb6..9b7d530ad24c 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1160,6 +1160,12 @@ static int analogix_dp_set_bridge(struct analogix_dp_device *dp) pm_runtime_get_sync(dp->dev); + ret = clk_prepare_enable(dp->clock); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the clock clk [%d]\n", ret); + goto out_dp_clk_pre; + } + if (dp->plat_data->power_on) dp->plat_data->power_on(dp->plat_data); @@ -1191,6 +1197,8 @@ static int analogix_dp_set_bridge(struct analogix_dp_device *dp) phy_power_off(dp->phy); if (dp->plat_data->power_off) dp->plat_data->power_off(dp->plat_data); + clk_disable_unprepare(dp->clock); +out_dp_clk_pre: pm_runtime_put_sync(dp->dev); return ret; @@ -1234,10 +1242,13 @@ static void analogix_dp_bridge_disable(struct drm_bridge *bridge) disable_irq(dp->irq); phy_power_off(dp->phy); + analogix_dp_set_analog_power_down(dp, POWER_ALL, 1); if (dp->plat_data->power_off) dp->plat_data->power_off(dp->plat_data); + clk_disable_unprepare(dp->clock); + pm_runtime_put_sync(dp->dev); ret = analogix_dp_prepare_panel(dp, false, true); -- 2.16.1
WARNING: multiple messages have this Message-ID (diff)
From: Enric Balletbo i Serra <enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> To: architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, inki.dae-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, hjc-TNX95d0MmH7DzftRWevZcw@public.gmane.org, seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, airlied-cv59FeDIM0c@public.gmane.org, tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org Cc: wzz-TNX95d0MmH7DzftRWevZcw@public.gmane.org, hl-TNX95d0MmH7DzftRWevZcw@public.gmane.org, dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, "Enric Balletbo i Serra" <enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>, "Stéphane Marchesin" <marcheu-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>, orjan.eide-5wv7dgnIgG8@public.gmane.org, m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org, hshi-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org Subject: [PATCH v4 15/38] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Date: Mon, 5 Mar 2018 23:23:07 +0100 [thread overview] Message-ID: <20180305222324.5872-16-enric.balletbo@collabora.com> (raw) In-Reply-To: <20180305222324.5872-1-enric.balletbo-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> From: Lin Huang <hl@rock-chips.com> When panel is shut down, we should make sure edp can be disabled to avoid undefined behavior. Cc: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Lin Huang <hl@rock-chips.com> Signed-off-by: zain wang <wzz@rock-chips.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Reviewed-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 92fb9a072cb6..9b7d530ad24c 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -1160,6 +1160,12 @@ static int analogix_dp_set_bridge(struct analogix_dp_device *dp) pm_runtime_get_sync(dp->dev); + ret = clk_prepare_enable(dp->clock); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the clock clk [%d]\n", ret); + goto out_dp_clk_pre; + } + if (dp->plat_data->power_on) dp->plat_data->power_on(dp->plat_data); @@ -1191,6 +1197,8 @@ static int analogix_dp_set_bridge(struct analogix_dp_device *dp) phy_power_off(dp->phy); if (dp->plat_data->power_off) dp->plat_data->power_off(dp->plat_data); + clk_disable_unprepare(dp->clock); +out_dp_clk_pre: pm_runtime_put_sync(dp->dev); return ret; @@ -1234,10 +1242,13 @@ static void analogix_dp_bridge_disable(struct drm_bridge *bridge) disable_irq(dp->irq); phy_power_off(dp->phy); + analogix_dp_set_analog_power_down(dp, POWER_ALL, 1); if (dp->plat_data->power_off) dp->plat_data->power_off(dp->plat_data); + clk_disable_unprepare(dp->clock); + pm_runtime_put_sync(dp->dev); ret = analogix_dp_prepare_panel(dp, false, true); -- 2.16.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2018-03-05 22:28 UTC|newest] Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20180305222337epcas3p22a4f5c32c5622d89f6e649b26c0a6043@epcas3p2.samsung.com> 2018-03-05 22:22 ` [PATCH v4 00/38] DRM Rockchip rk3399 (Kevin) Enric Balletbo i Serra 2018-03-05 22:22 ` [PATCH v4 01/38] drm/bridge: analogix_dp: set psr activate/deactivate when enable/disable bridge Enric Balletbo i Serra 2018-03-08 22:44 ` Heiko Stuebner 2018-03-08 22:44 ` Heiko Stuebner 2018-03-05 22:22 ` [PATCH v4 02/38] drm/rockchip: Don't use atomic constructs for psr Enric Balletbo i Serra 2018-03-05 22:22 ` Enric Balletbo i Serra 2018-03-08 22:44 ` Heiko Stuebner 2018-03-08 22:44 ` Heiko Stuebner 2018-03-05 22:22 ` [PATCH v4 03/38] drm/bridge: analogix_dp: detect Sink PSR state after configuring the PSR Enric Balletbo i Serra 2018-03-08 22:53 ` Heiko Stuebner 2018-03-08 22:53 ` Heiko Stuebner 2018-03-05 22:22 ` [PATCH v4 04/38] drm/rockchip: Remove analogix psr worker Enric Balletbo i Serra 2018-03-05 22:22 ` [PATCH v4 05/38] drm/bridge: analogix_dp: Don't change psr while bridge is disabled Enric Balletbo i Serra 2018-03-05 22:22 ` Enric Balletbo i Serra 2018-03-05 22:22 ` [PATCH v4 06/38] drm/rockchip: add mutex vop lock Enric Balletbo i Serra 2018-03-05 22:22 ` [PATCH v4 07/38] drm/bridge: analogix_dp: add fast link train for eDP Enric Balletbo i Serra 2018-03-05 22:22 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 08/38] drm/rockchip: Only wait for panel ACK on PSR entry Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 09/38] drm/bridge: analogix_dp: Move enable video into config_video() Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 10/38] drm/bridge: analogix_dp: Check AUX_EN status when doing AUX transfer Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 11/38] drm/bridge: analogix_dp: Don't use fast link training when panel just powered up Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 12/38] drm/bridge: analogix_dp: Retry bridge enable when it failed Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 13/38] drm/bridge: analogix_dp: Wait for HPD signal before configuring link Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 14/38] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra [this message] 2018-03-05 22:23 ` [PATCH v4 15/38] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Enric Balletbo i Serra 2018-03-06 7:35 ` Marek Szyprowski 2018-03-06 8:49 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 16/38] drm/bridge: analogix_dp: Extend hpd check time to 100ms Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 17/38] drm/bridge: analogix_dp: Fix incorrect usage of enhanced mode Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 18/38] drm/bridge: analogix_dp: Check dpcd write/read status Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 19/38] drm/bridge: analogix_dp: Fix AUX_PD bit for Rockchip Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 20/38] drm/bridge: analogix_dp: Reset aux channel if an error occurred Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 21/38] drm/rockchip: Restore psr->state when enable/disable psr failed Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 22/38] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 23/38] drm/bridge: analogix_dp: Fix timeout of video streamclk config Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 24/38] drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1 Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 25/38] drm/bridge: analogix_dp: Move fast link training detect to set_bridge Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 26/38] drm/bridge: analogix_dp: Reorder plat_data->power_off to happen sooner Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 27/38] drm/bridge: analogix_dp: Properly log AUX CH errors Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 28/38] drm/bridge: analogix_dp: Properly disable aux chan retries on rockchip Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 29/38] drm/rockchip: pre dither down when output bpc is 8bit Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 30/38] drm/bridge: analogix_dp: Split the platform-specific poweron in two parts Enric Balletbo i Serra 2018-03-05 22:23 ` Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 31/38] drm/rockchip: analogix_dp: Do not call Analogix code before bind Enric Balletbo i Serra 2018-03-05 22:23 ` [PATCH v4 32/38] drm/rockchip: Disable PSR on input events Enric Balletbo i Serra 2018-03-06 10:15 ` [PATCH v4 00/38] DRM Rockchip rk3399 (Kevin) Marek Szyprowski 2018-03-06 10:15 ` Marek Szyprowski
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