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: 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, "Kristian H . Kristensen" <hoegsberg@chromium.org>, Enric Balletbo i Serra <enric.balletbo@collabora.com> Subject: [PATCH v6 29/30] drm/rockchip: Disallow PSR for the whole atomic commit Date: Thu, 5 Apr 2018 11:49:59 +0200 [thread overview] Message-ID: <20180405095000.9756-30-enric.balletbo@collabora.com> (raw) In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com> From: Tomasz Figa <tfiga@chromium.org> Currently PSR flush is triggered from CRTC's .atomic_begin() callback, which is executed after modeset disables and enables and before plane updates are committed. Since PSR flush and re-enable can be triggered asynchronously by external sources (input event, delayed work), it can race with hardware programming done in the aforementioned stages. This patch blocks the PSR completely before hardware programming part begins and unblock after it ends. This relies on reference counted PSR disable introduced with previous patch. Cc: Kristian H. Kristensen <hoegsberg@chromium.org> Signed-off-by: Tomasz Figa <tfiga@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/rockchip/rockchip_drm_fb.c | 61 ++++++++++++++++++++++++++++- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 7 ---- 2 files changed, 60 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index e266539e04e5..d4f4118b482d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -167,8 +167,67 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, return ERR_PTR(ret); } +static void +rockchip_drm_psr_inhibit_get_state(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_encoder *encoder; + u32 encoder_mask = 0; + int i; + + for_each_old_crtc_in_state(state, crtc, crtc_state, i) { + encoder_mask |= crtc_state->encoder_mask; + encoder_mask |= crtc->state->encoder_mask; + } + + drm_for_each_encoder_mask(encoder, state->dev, encoder_mask) + rockchip_drm_psr_inhibit_get(encoder); +} + +static void +rockchip_drm_psr_inhibit_put_state(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_encoder *encoder; + u32 encoder_mask = 0; + int i; + + for_each_old_crtc_in_state(state, crtc, crtc_state, i) { + encoder_mask |= crtc_state->encoder_mask; + encoder_mask |= crtc->state->encoder_mask; + } + + drm_for_each_encoder_mask(encoder, state->dev, encoder_mask) + rockchip_drm_psr_inhibit_put(encoder); +} + +static void +rockchip_atomic_helper_commit_tail_rpm(struct drm_atomic_state *old_state) +{ + struct drm_device *dev = old_state->dev; + + rockchip_drm_psr_inhibit_get_state(old_state); + + drm_atomic_helper_commit_modeset_disables(dev, old_state); + + drm_atomic_helper_commit_modeset_enables(dev, old_state); + + drm_atomic_helper_commit_planes(dev, old_state, + DRM_PLANE_COMMIT_ACTIVE_ONLY); + + rockchip_drm_psr_inhibit_put_state(old_state); + + drm_atomic_helper_commit_hw_done(old_state); + + drm_atomic_helper_wait_for_vblanks(dev, old_state); + + drm_atomic_helper_cleanup_planes(dev, old_state); +} + static const struct drm_mode_config_helper_funcs rockchip_mode_config_helpers = { - .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, + .atomic_commit_tail = rockchip_atomic_helper_commit_tail_rpm, }; static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 00f7f3441cf6..f14a10ca4792 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1029,16 +1029,9 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, } } -static void vop_crtc_atomic_begin(struct drm_crtc *crtc, - struct drm_crtc_state *old_crtc_state) -{ - rockchip_drm_psr_flush(crtc); -} - static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = { .mode_fixup = vop_crtc_mode_fixup, .atomic_flush = vop_crtc_atomic_flush, - .atomic_begin = vop_crtc_atomic_begin, .atomic_enable = vop_crtc_atomic_enable, .atomic_disable = vop_crtc_atomic_disable, }; -- 2.16.3
WARNING: multiple messages have this Message-ID (diff)
From: enric.balletbo@collabora.com (Enric Balletbo i Serra) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 29/30] drm/rockchip: Disallow PSR for the whole atomic commit Date: Thu, 5 Apr 2018 11:49:59 +0200 [thread overview] Message-ID: <20180405095000.9756-30-enric.balletbo@collabora.com> (raw) In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com> From: Tomasz Figa <tfiga@chromium.org> Currently PSR flush is triggered from CRTC's .atomic_begin() callback, which is executed after modeset disables and enables and before plane updates are committed. Since PSR flush and re-enable can be triggered asynchronously by external sources (input event, delayed work), it can race with hardware programming done in the aforementioned stages. This patch blocks the PSR completely before hardware programming part begins and unblock after it ends. This relies on reference counted PSR disable introduced with previous patch. Cc: Kristian H. Kristensen <hoegsberg@chromium.org> Signed-off-by: Tomasz Figa <tfiga@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/rockchip/rockchip_drm_fb.c | 61 ++++++++++++++++++++++++++++- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 7 ---- 2 files changed, 60 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index e266539e04e5..d4f4118b482d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -167,8 +167,67 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, return ERR_PTR(ret); } +static void +rockchip_drm_psr_inhibit_get_state(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_encoder *encoder; + u32 encoder_mask = 0; + int i; + + for_each_old_crtc_in_state(state, crtc, crtc_state, i) { + encoder_mask |= crtc_state->encoder_mask; + encoder_mask |= crtc->state->encoder_mask; + } + + drm_for_each_encoder_mask(encoder, state->dev, encoder_mask) + rockchip_drm_psr_inhibit_get(encoder); +} + +static void +rockchip_drm_psr_inhibit_put_state(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_encoder *encoder; + u32 encoder_mask = 0; + int i; + + for_each_old_crtc_in_state(state, crtc, crtc_state, i) { + encoder_mask |= crtc_state->encoder_mask; + encoder_mask |= crtc->state->encoder_mask; + } + + drm_for_each_encoder_mask(encoder, state->dev, encoder_mask) + rockchip_drm_psr_inhibit_put(encoder); +} + +static void +rockchip_atomic_helper_commit_tail_rpm(struct drm_atomic_state *old_state) +{ + struct drm_device *dev = old_state->dev; + + rockchip_drm_psr_inhibit_get_state(old_state); + + drm_atomic_helper_commit_modeset_disables(dev, old_state); + + drm_atomic_helper_commit_modeset_enables(dev, old_state); + + drm_atomic_helper_commit_planes(dev, old_state, + DRM_PLANE_COMMIT_ACTIVE_ONLY); + + rockchip_drm_psr_inhibit_put_state(old_state); + + drm_atomic_helper_commit_hw_done(old_state); + + drm_atomic_helper_wait_for_vblanks(dev, old_state); + + drm_atomic_helper_cleanup_planes(dev, old_state); +} + static const struct drm_mode_config_helper_funcs rockchip_mode_config_helpers = { - .atomic_commit_tail = drm_atomic_helper_commit_tail_rpm, + .atomic_commit_tail = rockchip_atomic_helper_commit_tail_rpm, }; static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 00f7f3441cf6..f14a10ca4792 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -1029,16 +1029,9 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc, } } -static void vop_crtc_atomic_begin(struct drm_crtc *crtc, - struct drm_crtc_state *old_crtc_state) -{ - rockchip_drm_psr_flush(crtc); -} - static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = { .mode_fixup = vop_crtc_mode_fixup, .atomic_flush = vop_crtc_atomic_flush, - .atomic_begin = vop_crtc_atomic_begin, .atomic_enable = vop_crtc_atomic_enable, .atomic_disable = vop_crtc_atomic_disable, }; -- 2.16.3
next prev parent reply other threads:[~2018-04-05 9:51 UTC|newest] Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-04-05 9:49 [PATCH v6 00/30] DRM Rockchip rk3399 (Kevin) Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 01/30] drm/bridge: analogix_dp: Move enable video into config_video() Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:37 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 02/30] drm/bridge: analogix_dp: Check AUX_EN status when doing AUX transfer Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 03/30] drm/bridge: analogix_dp: Don't use fast link training when panel just powered up Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 04/30] drm/bridge: analogix_dp: Retry bridge enable when it failed Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 05/30] drm/bridge: analogix_dp: Wait for HPD signal before configuring link Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:37 ` Sasha Levin 2018-04-09 3:37 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 06/30] drm/bridge: analogix_dp: Set PD_INC_BG first when powering up edp phy Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-09 3:36 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 07/30] drm/bridge: analogix_dp: Ensure edp is disabled when shutting down the panel Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-09 3:36 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 08/30] drm/bridge: analogix_dp: Extend hpd check time to 100ms Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 09/30] drm/bridge: analogix_dp: Fix incorrect usage of enhanced mode Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 10/30] drm/bridge: analogix_dp: Check dpcd write/read status Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 11/30] drm/bridge: analogix_dp: Fix AUX_PD bit for Rockchip Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 12/30] drm/bridge: analogix_dp: Reset aux channel if an error occurred Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 13/30] drm/rockchip: Restore psr->state when enable/disable psr failed Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 14/30] drm/bridge: analogix_dp: Don't use ANALOGIX_DP_PLL_CTL to control pll Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 15/30] drm/bridge: analogix_dp: Fix timeout of video streamclk config Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-09 3:36 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 16/30] drm/bridge: analogix_dp: Fix incorrect operations with register ANALOGIX_DP_FUNC_EN_1 Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-09 3:36 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 17/30] drm/bridge: analogix_dp: Move fast link training detect to set_bridge Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 18/30] drm/bridge: analogix_dp: Reorder plat_data->power_off to happen sooner Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 19/30] drm/bridge: analogix_dp: Properly log AUX CH errors Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 20/30] drm/bridge: analogix_dp: Properly disable aux chan retries on rockchip Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 21/30] drm/rockchip: pre dither down when output bpc is 8bit Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-09 3:36 ` Sasha Levin 2018-04-05 9:49 ` [PATCH v6 22/30] drm/bridge: analogix_dp: Split the platform-specific poweron in two parts Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 23/30] drm/rockchip: analogix_dp: Do not call Analogix code before bind Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-09 3:36 ` Sasha Levin 2018-04-09 3:36 ` Sasha Levin 2018-04-12 9:54 ` Andrzej Hajda 2018-04-12 9:54 ` Andrzej Hajda 2018-04-12 9:54 ` Andrzej Hajda 2018-04-05 9:49 ` [PATCH v6 24/30] drm/rockchip: Disable PSR on input events Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-16 7:19 ` Andrzej Hajda 2018-04-16 7:19 ` Andrzej Hajda 2018-04-16 7:19 ` Andrzej Hajda 2018-04-16 17:41 ` Dmitry Torokhov 2018-04-16 17:41 ` Dmitry Torokhov 2018-04-16 17:41 ` Dmitry Torokhov 2018-04-16 19:42 ` Ezequiel Garcia 2018-04-16 19:42 ` Ezequiel Garcia 2018-04-20 13:47 ` Andrzej Hajda 2018-04-20 13:47 ` Andrzej Hajda 2018-04-20 13:51 ` Enric Balletbo i Serra 2018-04-20 13:51 ` Enric Balletbo i Serra 2018-04-05 9:49 ` [PATCH v6 25/30] drm/rockchip: Cancel PSR enable work before changing the state Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-16 8:55 ` Andrzej Hajda 2018-04-16 8:55 ` Andrzej Hajda 2018-04-16 8:55 ` Andrzej Hajda 2018-04-05 9:49 ` [PATCH v6 26/30] drm/rockchip: psr: Avoid redundant calls to .set() callback Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-16 9:06 ` Andrzej Hajda 2018-04-16 9:06 ` Andrzej Hajda 2018-04-16 9:06 ` Andrzej Hajda 2018-04-05 9:49 ` [PATCH v6 27/30] drm/rockchip: psr: Sanitize semantics of allow/disallow API Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-16 9:26 ` Andrzej Hajda 2018-04-16 9:26 ` Andrzej Hajda 2018-04-16 9:26 ` Andrzej Hajda 2018-04-05 9:49 ` [PATCH v6 28/30] drm/rockchip: Disable PSR from reboot notifier Enric Balletbo i Serra 2018-04-05 9:49 ` Enric Balletbo i Serra 2018-04-16 9:57 ` Andrzej Hajda 2018-04-16 9:57 ` Andrzej Hajda 2018-04-16 9:57 ` Andrzej Hajda 2018-04-16 13:12 ` Tomasz Figa 2018-04-16 13:12 ` Tomasz Figa 2018-04-16 13:12 ` Tomasz Figa 2018-04-18 9:18 ` Enric Balletbo Serra 2018-04-18 9:18 ` Enric Balletbo Serra 2018-04-18 9:18 ` Enric Balletbo Serra 2018-04-05 9:49 ` Enric Balletbo i Serra [this message] 2018-04-05 9:49 ` [PATCH v6 29/30] drm/rockchip: Disallow PSR for the whole atomic commit Enric Balletbo i Serra 2018-04-16 9:51 ` Andrzej Hajda 2018-04-16 9:51 ` Andrzej Hajda 2018-04-16 9:51 ` Andrzej Hajda 2018-04-05 9:50 ` [PATCH v6 30/30] drm/rockchip: psr: Remove flush by CRTC Enric Balletbo i Serra 2018-04-05 9:50 ` Enric Balletbo i Serra 2018-04-16 9:53 ` Andrzej Hajda 2018-04-16 9:53 ` Andrzej Hajda 2018-04-16 9:53 ` Andrzej Hajda
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