From: Sean Paul <seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
To: abhinavk-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
architt-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
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jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
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hoegsberg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org,
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robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Subject: [PATCH v3 17/19] drm/msm: Add pm_suspend/resume callbacks to msm_kms
Date: Fri, 20 Jul 2018 16:43:08 -0400 [thread overview]
Message-ID: <20180720204315.19054-18-seanpaul@chromium.org> (raw)
In-Reply-To: <20180720204315.19054-1-seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
From: Jeykumar Sankaran <jsanka@codeaurora.org>
Used by the dpu driver for custom suspend/resume.
Changes in v3:
- None
Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
[seanpaul split this out of the megapatch]
Signed-off-by: Sean Paul <seanpaul@chromium.org>
---
drivers/gpu/drm/msm/msm_drv.c | 10 ++++++++++
drivers/gpu/drm/msm/msm_kms.h | 3 +++
2 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 8bd9fe831968..e79ad74ca98c 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -903,6 +903,11 @@ static int msm_pm_suspend(struct device *dev)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct msm_drm_private *priv = ddev->dev_private;
+ struct msm_kms *kms = priv->kms;
+
+ /* TODO: Use atomic helper suspend/resume */
+ if (kms && kms->funcs && kms->funcs->pm_suspend)
+ return kms->funcs->pm_suspend(dev);
drm_kms_helper_poll_disable(ddev);
@@ -919,6 +924,11 @@ static int msm_pm_resume(struct device *dev)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct msm_drm_private *priv = ddev->dev_private;
+ struct msm_kms *kms = priv->kms;
+
+ /* TODO: Use atomic helper suspend/resume */
+ if (kms && kms->funcs && kms->funcs->pm_resume)
+ return kms->funcs->pm_resume(dev);
drm_atomic_helper_resume(ddev, priv->pm_state);
drm_kms_helper_poll_enable(ddev);
diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
index 761bb07cd7bf..c15de28ae2dd 100644
--- a/drivers/gpu/drm/msm/msm_kms.h
+++ b/drivers/gpu/drm/msm/msm_kms.h
@@ -61,6 +61,9 @@ struct msm_kms_funcs {
void (*set_encoder_mode)(struct msm_kms *kms,
struct drm_encoder *encoder,
bool cmd_mode);
+ /* pm suspend/resume hooks */
+ int (*pm_suspend)(struct device *dev);
+ int (*pm_resume)(struct device *dev);
/* cleanup: */
void (*destroy)(struct msm_kms *kms);
#ifdef CONFIG_DEBUG_FS
--
Sean Paul, Software Engineer, Google / Chromium OS
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Freedreno@lists.freedesktop.org
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next prev parent reply other threads:[~2018-07-20 20:43 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-20 20:42 [PATCH v3 00/19] drm/msm: Add support for SDM845 Display Processing Unit (DPU) Sean Paul
2018-07-20 20:42 ` [PATCH v3 03/19] drm: add msm compressed format modifiers Sean Paul
[not found] ` <20180720204315.19054-4-seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2018-07-25 14:09 ` Stanimir Varbanov
2018-07-25 23:09 ` Jeykumar Sankaran
2018-07-26 9:37 ` Stanimir Varbanov
[not found] ` <d224e3ff142d687c07233f70864206af-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2018-07-26 11:45 ` Rob Clark
[not found] ` <CAF6AEGvrpmNVtYJxMR2Ka5S3_oeGm8C_SbeOPZR_TAONhS0_KA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-07-26 14:43 ` [PATCH v4 " Sean Paul
2018-07-20 20:42 ` [PATCH v3 04/19] drm/msm/dsi: adjust dsi timing for dual dsi mode Sean Paul
2018-07-20 20:42 ` [PATCH v3 06/19] drm/msm/dsi: initialize postdiv_lock before use for 10nm pll Sean Paul
2018-07-20 20:43 ` [PATCH v3 09/19] drm/msm/mdp5: subclass msm_mdss for mdp5 Sean Paul
2018-07-20 20:43 ` [PATCH v3 12/19] drm/msm: Clean up dangling atomic_wq Sean Paul
[not found] ` <20180720204315.19054-1-seanpaul-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2018-07-20 20:42 ` [PATCH v3 01/19] dt-bindings: msm/dsi: Add mdp transfer time to msm dsi binding Sean Paul
2018-07-20 20:42 ` [PATCH v3 02/19] drm: Add support for pps and compression mode command packet Sean Paul
2018-07-20 20:42 ` Sean Paul
2018-07-20 20:42 ` Sean Paul
2018-07-20 20:42 ` [PATCH v3 05/19] drm/msm/dsi: Use one connector for dual DSI mode Sean Paul
2018-07-20 20:42 ` [PATCH v3 07/19] drm/msm/dsi: set encoder mode for DRM bridge explicitly Sean Paul
2018-07-20 20:42 ` [PATCH v3 08/19] drm/msm: Move wait_for_vblanks into mdp complete_commit() hooks Sean Paul
2018-07-20 20:43 ` [PATCH v3 10/19] drm/msm: enable zpos normalization Sean Paul
2018-07-20 20:43 ` [PATCH v3 11/19] drm/msm: higher values of pclk can exceed 32 bits when multiplied by a factor Sean Paul
2018-07-20 20:43 ` [PATCH v3 13/19] drm/msm: #define MDP version numbers Sean Paul
2018-07-20 20:43 ` [PATCH v3 14/19] drm/msm: Use labels for unwinding in the error path Sean Paul
2018-07-20 20:43 ` [PATCH v3 15/19] drm/msm: #define MAX_<OBJECT> in msm_drv.h Sean Paul
2018-07-20 20:43 ` [PATCH v3 16/19] drm/msm: Add .commit() callback to msm_kms functions Sean Paul
2018-07-20 20:43 ` Sean Paul [this message]
2018-07-20 20:43 ` [PATCH v3 18/19] dt-bindings: msm/disp: Add bindings for Snapdragon 845 DPU Sean Paul
2018-07-24 23:31 ` Rob Herring
2018-07-20 20:43 ` [PATCH v3 19/19] drm/msm: Add SDM845 DPU support Sean Paul
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