From: Archit Taneja <architt@codeaurora.org>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>,
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: dri-devel@lists.freedesktop.org, dianders@chromium.org,
a.hajda@samsung.com, ykk@rock-chips.com, kernel@collabora.com,
m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org,
jy0922.shim@samsung.com, rydberg@bitmath.org, krzk@kernel.org,
linux-rockchip@lists.infradead.org, kgene@kernel.org,
linux-input@vger.kernel.org, orjan.eide@arm.com,
wxt@rock-chips.com, jeffy.chen@rock-chips.com,
linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com,
wzz@rock-chips.com, hl@rock-chips.com, jingoohan1@gmail.com,
sw0312.kim@samsung.com, linux-kernel@vger.kernel.org,
kyungmin.park@samsung.com, Laurent.pinchart@ideasonboard.com,
kuankuan.y@gmail.com, hshi@chromium.org
Subject: Re: [PATCH v5 19/36] drm/rockchip: Restore psr->state when enable/disable psr failed
Date: Wed, 14 Mar 2018 12:02:18 +0530 [thread overview]
Message-ID: <0c9d07eb-a37b-f257-ce72-4b6a13e6d511@codeaurora.org> (raw)
In-Reply-To: <20180309222327.18689-20-enric.balletbo@collabora.com>
On Saturday 10 March 2018 03:53 AM, Enric Balletbo i Serra wrote:
> From: zain wang <wzz@rock-chips.com>
>
> If we failed disable psr, it would hang the display until next psr
> cycle coming. So we should restore psr->state when it failed.
>
For the bridge part,
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Thanks,
Archit
> Cc: Tomasz Figa <tfiga@chromium.org>
> Signed-off-by: zain wang <wzz@rock-chips.com>
> Signed-off-by: Douglas Anderson <dianders@chromium.org>
> Signed-off-by: Sean Paul <seanpaul@chromium.org>
> Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
>
> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 +++-
> drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 10 +++++-----
> drivers/gpu/drm/rockchip/rockchip_drm_psr.c | 20 +++++++++++++-------
> drivers/gpu/drm/rockchip/rockchip_drm_psr.h | 2 +-
> 4 files changed, 22 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> index be6eddd0d0a7..1f1cb624414d 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> @@ -153,8 +153,10 @@ int analogix_dp_disable_psr(struct analogix_dp_device *dp)
> psr_vsc.DB1 = 0;
>
> ret = drm_dp_dpcd_writeb(&dp->aux, DP_SET_POWER, DP_SET_POWER_D0);
> - if (ret != 1)
> + if (ret != 1) {
> dev_err(dp->dev, "Failed to set DP Power0 %d\n", ret);
> + return ret;
> + }
>
> return analogix_dp_send_psr_spd(dp, &psr_vsc, false);
> }
> diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> index 3e8bf79bea58..8c884f9ce713 100644
> --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
> @@ -77,13 +77,13 @@ struct rockchip_dp_device {
> struct analogix_dp_plat_data plat_data;
> };
>
> -static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled)
> +static int analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled)
> {
> struct rockchip_dp_device *dp = to_dp(encoder);
> int ret;
>
> if (!analogix_dp_psr_enabled(dp->adp))
> - return;
> + return 0;
>
> DRM_DEV_DEBUG(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit");
>
> @@ -91,13 +91,13 @@ static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled)
> PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
> if (ret) {
> DRM_DEV_ERROR(dp->dev, "line flag interrupt did not arrive\n");
> - return;
> + return -ETIMEDOUT;
> }
>
> if (enabled)
> - analogix_dp_enable_psr(dp->adp);
> + return analogix_dp_enable_psr(dp->adp);
> else
> - analogix_dp_disable_psr(dp->adp);
> + return analogix_dp_disable_psr(dp->adp);
> }
>
> static int rockchip_dp_pre_init(struct rockchip_dp_device *dp)
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
> index b339ca943139..9376f4396b6b 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
> @@ -36,7 +36,7 @@ struct psr_drv {
>
> struct delayed_work flush_work;
>
> - void (*set)(struct drm_encoder *encoder, bool enable);
> + int (*set)(struct drm_encoder *encoder, bool enable);
> };
>
> static struct psr_drv *find_psr_by_crtc(struct drm_crtc *crtc)
> @@ -93,19 +93,25 @@ static void psr_set_state_locked(struct psr_drv *psr, enum psr_state state)
> return;
> }
>
> - psr->state = state;
> -
> /* Actually commit the state change to hardware */
> - switch (psr->state) {
> + switch (state) {
> case PSR_ENABLE:
> - psr->set(psr->encoder, true);
> + if (psr->set(psr->encoder, true))
> + return;
> break;
>
> case PSR_DISABLE:
> case PSR_FLUSH:
> - psr->set(psr->encoder, false);
> + if (psr->set(psr->encoder, false))
> + return;
> break;
> +
> + default:
> + pr_err("%s: Unknown state %d\n", __func__, state);
> + return;
> }
> +
> + psr->state = state;
> }
>
> static void psr_set_state(struct psr_drv *psr, enum psr_state state)
> @@ -229,7 +235,7 @@ EXPORT_SYMBOL(rockchip_drm_psr_flush_all);
> * Zero on success, negative errno on failure.
> */
> int rockchip_drm_psr_register(struct drm_encoder *encoder,
> - void (*psr_set)(struct drm_encoder *, bool enable))
> + int (*psr_set)(struct drm_encoder *, bool enable))
> {
> struct rockchip_drm_private *drm_drv = encoder->dev->dev_private;
> struct psr_drv *psr;
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.h b/drivers/gpu/drm/rockchip/rockchip_drm_psr.h
> index b1ea0155e57c..06537ee27565 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.h
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_psr.h
> @@ -22,7 +22,7 @@ int rockchip_drm_psr_activate(struct drm_encoder *encoder);
> int rockchip_drm_psr_deactivate(struct drm_encoder *encoder);
>
> int rockchip_drm_psr_register(struct drm_encoder *encoder,
> - void (*psr_set)(struct drm_encoder *, bool enable));
> + int (*psr_set)(struct drm_encoder *, bool enable));
> void rockchip_drm_psr_unregister(struct drm_encoder *encoder);
>
> #endif /* __ROCKCHIP_DRM_PSR__ */
>
next prev parent reply other threads:[~2018-03-14 6:32 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 22:22 [PATCH v5 00/36] DRM Rockchip rk3399 (Kevin) Enric Balletbo i Serra
2018-03-09 22:22 ` [PATCH v5 01/36] drm/bridge: analogix_dp: detect Sink PSR state after configuring the PSR Enric Balletbo i Serra
2018-03-12 17:00 ` Heiko Stübner
2018-03-14 5:29 ` Archit Taneja
2018-03-14 10:32 ` Heiko Stübner
2018-03-09 22:22 ` [PATCH v5 02/36] drm/rockchip: Remove analogix psr worker Enric Balletbo i Serra
2018-03-12 16:26 ` Heiko Stübner
2018-03-14 10:32 ` Heiko Stübner
2018-03-09 22:22 ` [PATCH v5 03/36] drm/bridge: analogix_dp: Don't change psr while bridge is disabled Enric Balletbo i Serra
2018-03-12 17:02 ` Heiko Stübner
2018-03-14 5:30 ` Archit Taneja
2018-03-14 10:32 ` Heiko Stübner
2018-03-09 22:22 ` [PATCH v5 04/36] drm/rockchip: add mutex vop lock Enric Balletbo i Serra
2018-03-12 16:29 ` Heiko Stübner
2018-03-14 10:33 ` Heiko Stübner
2018-03-09 22:22 ` [PATCH v5 05/36] drm/bridge: analogix_dp: add fast link train for eDP Enric Balletbo i Serra
2018-03-14 5:52 ` Archit Taneja
2018-03-14 10:39 ` Heiko Stübner
2018-03-09 22:22 ` [PATCH v5 06/36] drm/rockchip: Only wait for panel ACK on PSR entry Enric Balletbo i Serra
2018-03-12 16:58 ` Heiko Stübner
2018-03-13 0:26 ` Enric Balletbo i Serra
2018-03-14 5:54 ` Archit Taneja
2018-03-14 12:51 ` Heiko Stübner
2018-03-09 22:22 ` [PATCH v5 07/36] drm/bridge: analogix_dp: Move enable video into config_video() Enric Balletbo i Serra
2018-03-14 5:59 ` Archit Taneja
2018-03-17 16:00 ` Heiko Stuebner
2018-03-09 22:22 ` [PATCH v5 08/36] drm/bridge: analogix_dp: Check AUX_EN status when doing AUX transfer Enric Balletbo i Serra
2018-03-14 6:01 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 09/36] drm/bridge: analogix_dp: Don't use fast link training when panel just powered up Enric Balletbo i Serra
2018-03-14 6:03 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 10/36] drm/bridge: analogix_dp: Retry bridge enable when it failed Enric Balletbo i Serra
2018-03-14 6:07 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 11/36] drm/bridge: analogix_dp: Wait for HPD signal before configuring link Enric Balletbo i Serra
2018-03-14 6:09 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 12/36] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy Enric Balletbo i Serra
2018-03-14 6:10 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 13/36] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Enric Balletbo i Serra
2018-03-14 6:14 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 14/36] drm/bridge: analogix_dp: Extend hpd check time to 100ms Enric Balletbo i Serra
2018-03-14 6:15 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 15/36] drm/bridge: analogix_dp: Fix incorrect usage of enhanced mode Enric Balletbo i Serra
2018-03-14 6:17 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 16/36] drm/bridge: analogix_dp: Check dpcd write/read status Enric Balletbo i Serra
2018-03-14 6:19 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 17/36] drm/bridge: analogix_dp: Fix AUX_PD bit for Rockchip Enric Balletbo i Serra
2018-03-14 6:23 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 18/36] drm/bridge: analogix_dp: Reset aux channel if an error occurred Enric Balletbo i Serra
2018-03-14 6:30 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 19/36] drm/rockchip: Restore psr->state when enable/disable psr failed Enric Balletbo i Serra
2018-03-12 17:06 ` Heiko Stübner
2018-03-14 6:32 ` Archit Taneja [this message]
2018-03-09 22:23 ` [PATCH v5 20/36] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Enric Balletbo i Serra
2018-03-14 6:33 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 21/36] drm/bridge: analogix_dp: Fix timeout of video streamclk config Enric Balletbo i Serra
2018-03-14 6:33 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 22/36] drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1 Enric Balletbo i Serra
2018-03-14 6:34 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 23/36] drm/bridge: analogix_dp: Move fast link training detect to set_bridge Enric Balletbo i Serra
2018-03-14 6:52 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 24/36] drm/bridge: analogix_dp: Reorder plat_data->power_off to happen sooner Enric Balletbo i Serra
2018-03-14 6:50 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 25/36] drm/bridge: analogix_dp: Properly log AUX CH errors Enric Balletbo i Serra
2018-03-14 6:52 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 26/36] drm/bridge: analogix_dp: Properly disable aux chan retries on rockchip Enric Balletbo i Serra
2018-03-14 6:53 ` Archit Taneja
2018-03-09 22:23 ` [PATCH v5 27/36] drm/rockchip: pre dither down when output bpc is 8bit Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 28/36] drm/bridge: analogix_dp: Split the platform-specific poweron in two parts Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 29/36] drm/rockchip: analogix_dp: Do not call Analogix code before bind Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 30/36] drm/rockchip: Disable PSR on input events Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 31/36] drm/rockchip: Cancel PSR enable work before changing the state Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 32/36] drm/rockchip: psr: Avoid redundant calls to .set() callback Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 33/36] drm/rockchip: psr: Sanitize semantics of allow/disallow API Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 34/36] drm/rockchip: Disable PSR from reboot notifier Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 35/36] drm/rockchip: Disallow PSR for the whole atomic commit Enric Balletbo i Serra
2018-03-09 22:23 ` [PATCH v5 36/36] drm/rockchip: psr: Remove flush by CRTC Enric Balletbo i Serra
2018-03-12 17:27 ` [PATCH v5 00/36] DRM Rockchip rk3399 (Kevin) Heiko Stübner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=0c9d07eb-a37b-f257-ce72-4b6a13e6d511@codeaurora.org \
--to=architt@codeaurora.org \
--cc=Laurent.pinchart@ideasonboard.com \
--cc=a.hajda@samsung.com \
--cc=airlied@linux.ie \
--cc=dianders@chromium.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=enric.balletbo@collabora.com \
--cc=heiko@sntech.de \
--cc=hjc@rock-chips.com \
--cc=hl@rock-chips.com \
--cc=hshi@chromium.org \
--cc=inki.dae@samsung.com \
--cc=jeffy.chen@rock-chips.com \
--cc=jingoohan1@gmail.com \
--cc=jy0922.shim@samsung.com \
--cc=kernel@collabora.com \
--cc=kgene@kernel.org \
--cc=krzk@kernel.org \
--cc=kuankuan.y@gmail.com \
--cc=kyungmin.park@samsung.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=m.szyprowski@samsung.com \
--cc=mark.yao@rock-chips.com \
--cc=orjan.eide@arm.com \
--cc=rydberg@bitmath.org \
--cc=seanpaul@chromium.org \
--cc=sw0312.kim@samsung.com \
--cc=tfiga@chromium.org \
--cc=thierry.reding@gmail.com \
--cc=wxt@rock-chips.com \
--cc=wzz@rock-chips.com \
--cc=ykk@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).