diff mbox series

[04/31] drm/i915/display: Move shutdown sequences under display driver

Message ID 20240924204222.246862-5-rodrigo.vivi@intel.com (mailing list archive)
State New, archived
Headers show
Series Reconcile i915's and xe's display power mgt sequences | expand

Commit Message

Rodrigo Vivi Sept. 24, 2024, 8:35 p.m. UTC
Move display related shutdown sequences from i915_driver to
intel_display_driver.

No functional change. Just taking the right ownership and
start some reconciliation of them between i915 and Xe.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 .../drm/i915/display/intel_display_driver.c   | 40 +++++++++++++++++++
 .../drm/i915/display/intel_display_driver.h   |  3 ++
 drivers/gpu/drm/i915/i915_driver.c            | 29 ++------------
 3 files changed, 47 insertions(+), 25 deletions(-)

Comments

Cavitt, Jonathan Oct. 7, 2024, 7:18 p.m. UTC | #1
-----Original Message-----
From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Rodrigo Vivi
Sent: Tuesday, September 24, 2024 1:35 PM
To: intel-gfx@lists.freedesktop.org; intel-xe@lists.freedesktop.org
Cc: Deak, Imre <imre.deak@intel.com>; Vivi, Rodrigo <rodrigo.vivi@intel.com>
Subject: [PATCH 04/31] drm/i915/display: Move shutdown sequences under display driver
> 
> Move display related shutdown sequences from i915_driver to
> intel_display_driver.
> 
> No functional change. Just taking the right ownership and
> start some reconciliation of them between i915 and Xe.
> 
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
>  .../drm/i915/display/intel_display_driver.c   | 40 +++++++++++++++++++
>  .../drm/i915/display/intel_display_driver.h   |  3 ++
>  drivers/gpu/drm/i915/i915_driver.c            | 29 ++------------
>  3 files changed, 47 insertions(+), 25 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
> index c106fb2dd20b..e40b1105168e 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_driver.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
> @@ -39,6 +39,7 @@
>  #include "intel_dp_tunnel.h"
>  #include "intel_dpll.h"
>  #include "intel_dpll_mgr.h"
> +#include "intel_encoder.h"
>  #include "intel_fb.h"
>  #include "intel_fbc.h"
>  #include "intel_fbdev.h"
> @@ -755,3 +756,42 @@ void intel_display_driver_resume(struct drm_i915_private *i915)
>  	if (state)
>  		drm_atomic_state_put(state);
>  }
> +
> +void intel_display_driver_shutdown(struct drm_i915_private *i915)
> +{
> +	intel_power_domains_disable(i915);
> +
> +	intel_fbdev_set_suspend(&i915->drm, FBINFO_STATE_SUSPENDED, true);
> +	if (HAS_DISPLAY(i915)) {
> +		drm_kms_helper_poll_disable(&i915->drm);
> +		intel_display_driver_disable_user_access(i915);
> +
> +		drm_atomic_helper_shutdown(&i915->drm);
> +	}
> +
> +	intel_dp_mst_suspend(i915);
> +}
> +
> +void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915)
> +{
> +	intel_hpd_cancel_work(i915);
> +
> +	if (HAS_DISPLAY(i915))
> +		intel_display_driver_suspend_access(i915);
> +
> +	intel_encoder_suspend_all(&i915->display);
> +	intel_encoder_shutdown_all(&i915->display);
> +
> +	intel_dmc_suspend(&i915->display);
> +}
> +
> +void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915)
> +{
> +	/*
> +	 * The only requirement is to reboot with display DC states disabled,
> +	 * for now leaving all display power wells in the INIT power domain
> +	 * enabled.
> +	 */
> +
> +	intel_power_domains_driver_remove(i915);
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.h b/drivers/gpu/drm/i915/display/intel_display_driver.h
> index 42cc4af6d3fd..1ee37fb58d38 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_driver.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_driver.h
> @@ -26,6 +26,9 @@ void intel_display_driver_remove_nogem(struct drm_i915_private *i915);
>  void intel_display_driver_unregister(struct drm_i915_private *i915);
>  int intel_display_driver_suspend(struct drm_i915_private *i915);
>  void intel_display_driver_resume(struct drm_i915_private *i915);
> +void intel_display_driver_shutdown(struct drm_i915_private *i915);
> +void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915);
> +void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915);
>  
>  /* interface for intel_display_reset.c */
>  int __intel_display_driver_resume(struct drm_i915_private *i915,
> diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
> index ae5906885359..38c845ad86e5 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -939,43 +939,22 @@ void i915_driver_shutdown(struct drm_i915_private *i915)
>  {
>  	disable_rpm_wakeref_asserts(&i915->runtime_pm);
>  	intel_runtime_pm_disable(&i915->runtime_pm);
> -	intel_power_domains_disable(i915);
>  
> -	intel_fbdev_set_suspend(&i915->drm, FBINFO_STATE_SUSPENDED, true);
> -	if (HAS_DISPLAY(i915)) {
> -		drm_kms_helper_poll_disable(&i915->drm);
> -		intel_display_driver_disable_user_access(i915);
> -
> -		drm_atomic_helper_shutdown(&i915->drm);
> -	}
> -
> -	intel_dp_mst_suspend(i915);
> +	intel_display_driver_shutdown(i915);
>  
>  	intel_irq_suspend(i915);
> -	intel_hpd_cancel_work(i915);
> -
> -	if (HAS_DISPLAY(i915))
> -		intel_display_driver_suspend_access(i915);
>  
> -	intel_encoder_suspend_all(&i915->display);
> -	intel_encoder_shutdown_all(&i915->display);
> -
> -	intel_dmc_suspend(&i915->display);
> +	intel_display_driver_shutdown_noirq(i915);
>  
>  	i915_gem_suspend(i915);
>  
> -	/*
> -	 * The only requirement is to reboot with display DC states disabled,
> -	 * for now leaving all display power wells in the INIT power domain
> -	 * enabled.
> -	 *
> -	 * TODO:
> +	/* TODO:

I think it's supposed to be:

"""
	/*
	 * TODO:
"""
But otherwise:
Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
-Jonathan Cavitt

>  	 * - unify the pci_driver::shutdown sequence here with the
>  	 *   pci_driver.driver.pm.poweroff,poweroff_late sequence.
>  	 * - unify the driver remove and system/runtime suspend sequences with
>  	 *   the above unified shutdown/poweroff sequence.
>  	 */
> -	intel_power_domains_driver_remove(i915);
> +
>  	enable_rpm_wakeref_asserts(&i915->runtime_pm);
>  
>  	intel_runtime_pm_driver_last_release(&i915->runtime_pm);
> -- 
> 2.46.0
> 
>
Imre Deak Oct. 8, 2024, 3:57 p.m. UTC | #2
On Tue, Sep 24, 2024 at 04:35:25PM -0400, Rodrigo Vivi wrote:
> Move display related shutdown sequences from i915_driver to
> intel_display_driver.
> 
> No functional change. Just taking the right ownership and
> start some reconciliation of them between i915 and Xe.
> 
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
> ---
>  .../drm/i915/display/intel_display_driver.c   | 40 +++++++++++++++++++
>  .../drm/i915/display/intel_display_driver.h   |  3 ++
>  drivers/gpu/drm/i915/i915_driver.c            | 29 ++------------
>  3 files changed, 47 insertions(+), 25 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
> index c106fb2dd20b..e40b1105168e 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_driver.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
> @@ -39,6 +39,7 @@
>  #include "intel_dp_tunnel.h"
>  #include "intel_dpll.h"
>  #include "intel_dpll_mgr.h"
> +#include "intel_encoder.h"
>  #include "intel_fb.h"
>  #include "intel_fbc.h"
>  #include "intel_fbdev.h"
> @@ -755,3 +756,42 @@ void intel_display_driver_resume(struct drm_i915_private *i915)
>  	if (state)
>  		drm_atomic_state_put(state);
>  }
> +
> +void intel_display_driver_shutdown(struct drm_i915_private *i915)
> +{
> +	intel_power_domains_disable(i915);
> +
> +	intel_fbdev_set_suspend(&i915->drm, FBINFO_STATE_SUSPENDED, true);
> +	if (HAS_DISPLAY(i915)) {
> +		drm_kms_helper_poll_disable(&i915->drm);
> +		intel_display_driver_disable_user_access(i915);
> +
> +		drm_atomic_helper_shutdown(&i915->drm);
> +	}
> +
> +	intel_dp_mst_suspend(i915);
> +}
> +
> +void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915)
> +{
> +	intel_hpd_cancel_work(i915);
> +
> +	if (HAS_DISPLAY(i915))
> +		intel_display_driver_suspend_access(i915);
> +
> +	intel_encoder_suspend_all(&i915->display);
> +	intel_encoder_shutdown_all(&i915->display);
> +
> +	intel_dmc_suspend(&i915->display);
> +}
> +
> +void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915)
> +{
> +	/*
> +	 * The only requirement is to reboot with display DC states disabled,
> +	 * for now leaving all display power wells in the INIT power domain
> +	 * enabled.
> +	 */
> +
> +	intel_power_domains_driver_remove(i915);
> +}
> diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.h b/drivers/gpu/drm/i915/display/intel_display_driver.h
> index 42cc4af6d3fd..1ee37fb58d38 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_driver.h
> +++ b/drivers/gpu/drm/i915/display/intel_display_driver.h
> @@ -26,6 +26,9 @@ void intel_display_driver_remove_nogem(struct drm_i915_private *i915);
>  void intel_display_driver_unregister(struct drm_i915_private *i915);
>  int intel_display_driver_suspend(struct drm_i915_private *i915);
>  void intel_display_driver_resume(struct drm_i915_private *i915);
> +void intel_display_driver_shutdown(struct drm_i915_private *i915);
> +void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915);
> +void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915);
>  
>  /* interface for intel_display_reset.c */
>  int __intel_display_driver_resume(struct drm_i915_private *i915,
> diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
> index ae5906885359..38c845ad86e5 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -939,43 +939,22 @@ void i915_driver_shutdown(struct drm_i915_private *i915)
>  {
>  	disable_rpm_wakeref_asserts(&i915->runtime_pm);
>  	intel_runtime_pm_disable(&i915->runtime_pm);
> -	intel_power_domains_disable(i915);
>  
> -	intel_fbdev_set_suspend(&i915->drm, FBINFO_STATE_SUSPENDED, true);
> -	if (HAS_DISPLAY(i915)) {
> -		drm_kms_helper_poll_disable(&i915->drm);
> -		intel_display_driver_disable_user_access(i915);
> -
> -		drm_atomic_helper_shutdown(&i915->drm);
> -	}
> -
> -	intel_dp_mst_suspend(i915);
> +	intel_display_driver_shutdown(i915);
>  
>  	intel_irq_suspend(i915);
> -	intel_hpd_cancel_work(i915);
> -
> -	if (HAS_DISPLAY(i915))
> -		intel_display_driver_suspend_access(i915);
>  
> -	intel_encoder_suspend_all(&i915->display);
> -	intel_encoder_shutdown_all(&i915->display);
> -
> -	intel_dmc_suspend(&i915->display);
> +	intel_display_driver_shutdown_noirq(i915);
>  
>  	i915_gem_suspend(i915);
>  
> -	/*
> -	 * The only requirement is to reboot with display DC states disabled,
> -	 * for now leaving all display power wells in the INIT power domain
> -	 * enabled.
> -	 *
> -	 * TODO:
> +	/* TODO:
>  	 * - unify the pci_driver::shutdown sequence here with the
>  	 *   pci_driver.driver.pm.poweroff,poweroff_late sequence.
>  	 * - unify the driver remove and system/runtime suspend sequences with
>  	 *   the above unified shutdown/poweroff sequence.
>  	 */
> -	intel_power_domains_driver_remove(i915);
> +

Should intel_display_driver_shutdown_nogem() be called here?

>  	enable_rpm_wakeref_asserts(&i915->runtime_pm);
>  
>  	intel_runtime_pm_driver_last_release(&i915->runtime_pm);
> -- 
> 2.46.0
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.c b/drivers/gpu/drm/i915/display/intel_display_driver.c
index c106fb2dd20b..e40b1105168e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.c
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.c
@@ -39,6 +39,7 @@ 
 #include "intel_dp_tunnel.h"
 #include "intel_dpll.h"
 #include "intel_dpll_mgr.h"
+#include "intel_encoder.h"
 #include "intel_fb.h"
 #include "intel_fbc.h"
 #include "intel_fbdev.h"
@@ -755,3 +756,42 @@  void intel_display_driver_resume(struct drm_i915_private *i915)
 	if (state)
 		drm_atomic_state_put(state);
 }
+
+void intel_display_driver_shutdown(struct drm_i915_private *i915)
+{
+	intel_power_domains_disable(i915);
+
+	intel_fbdev_set_suspend(&i915->drm, FBINFO_STATE_SUSPENDED, true);
+	if (HAS_DISPLAY(i915)) {
+		drm_kms_helper_poll_disable(&i915->drm);
+		intel_display_driver_disable_user_access(i915);
+
+		drm_atomic_helper_shutdown(&i915->drm);
+	}
+
+	intel_dp_mst_suspend(i915);
+}
+
+void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915)
+{
+	intel_hpd_cancel_work(i915);
+
+	if (HAS_DISPLAY(i915))
+		intel_display_driver_suspend_access(i915);
+
+	intel_encoder_suspend_all(&i915->display);
+	intel_encoder_shutdown_all(&i915->display);
+
+	intel_dmc_suspend(&i915->display);
+}
+
+void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915)
+{
+	/*
+	 * The only requirement is to reboot with display DC states disabled,
+	 * for now leaving all display power wells in the INIT power domain
+	 * enabled.
+	 */
+
+	intel_power_domains_driver_remove(i915);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_display_driver.h b/drivers/gpu/drm/i915/display/intel_display_driver.h
index 42cc4af6d3fd..1ee37fb58d38 100644
--- a/drivers/gpu/drm/i915/display/intel_display_driver.h
+++ b/drivers/gpu/drm/i915/display/intel_display_driver.h
@@ -26,6 +26,9 @@  void intel_display_driver_remove_nogem(struct drm_i915_private *i915);
 void intel_display_driver_unregister(struct drm_i915_private *i915);
 int intel_display_driver_suspend(struct drm_i915_private *i915);
 void intel_display_driver_resume(struct drm_i915_private *i915);
+void intel_display_driver_shutdown(struct drm_i915_private *i915);
+void intel_display_driver_shutdown_noirq(struct drm_i915_private *i915);
+void intel_display_driver_shutdown_nogem(struct drm_i915_private *i915);
 
 /* interface for intel_display_reset.c */
 int __intel_display_driver_resume(struct drm_i915_private *i915,
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index ae5906885359..38c845ad86e5 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -939,43 +939,22 @@  void i915_driver_shutdown(struct drm_i915_private *i915)
 {
 	disable_rpm_wakeref_asserts(&i915->runtime_pm);
 	intel_runtime_pm_disable(&i915->runtime_pm);
-	intel_power_domains_disable(i915);
 
-	intel_fbdev_set_suspend(&i915->drm, FBINFO_STATE_SUSPENDED, true);
-	if (HAS_DISPLAY(i915)) {
-		drm_kms_helper_poll_disable(&i915->drm);
-		intel_display_driver_disable_user_access(i915);
-
-		drm_atomic_helper_shutdown(&i915->drm);
-	}
-
-	intel_dp_mst_suspend(i915);
+	intel_display_driver_shutdown(i915);
 
 	intel_irq_suspend(i915);
-	intel_hpd_cancel_work(i915);
-
-	if (HAS_DISPLAY(i915))
-		intel_display_driver_suspend_access(i915);
 
-	intel_encoder_suspend_all(&i915->display);
-	intel_encoder_shutdown_all(&i915->display);
-
-	intel_dmc_suspend(&i915->display);
+	intel_display_driver_shutdown_noirq(i915);
 
 	i915_gem_suspend(i915);
 
-	/*
-	 * The only requirement is to reboot with display DC states disabled,
-	 * for now leaving all display power wells in the INIT power domain
-	 * enabled.
-	 *
-	 * TODO:
+	/* TODO:
 	 * - unify the pci_driver::shutdown sequence here with the
 	 *   pci_driver.driver.pm.poweroff,poweroff_late sequence.
 	 * - unify the driver remove and system/runtime suspend sequences with
 	 *   the above unified shutdown/poweroff sequence.
 	 */
-	intel_power_domains_driver_remove(i915);
+
 	enable_rpm_wakeref_asserts(&i915->runtime_pm);
 
 	intel_runtime_pm_driver_last_release(&i915->runtime_pm);