[PATCH 4/7] drm: Move the legacy kms disable_all helper to crtc helpers
Daniel Vetter
daniel.vetter at ffwll.ch
Mon Dec 17 19:43:00 UTC 2018
It's not a core function, and the matching atomic functions are also
not in the core. Plus the suspend/resume helper is also already there.
Needs a tiny bit of open-coding, but less midlayer beats that I think.
v2: Rebase onto ast (which gained a new user).
Cc: Sam Bobroff <sbobroff at linux.ibm.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Reviewed-by: Sean Paul <sean at poorly.run>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Maxime Ripard <maxime.ripard at bootlin.com>
Cc: Sean Paul <sean at poorly.run>
Cc: David Airlie <airlied at linux.ie>
Cc: Ben Skeggs <bskeggs at redhat.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: "Christian König" <christian.koenig at amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou at amd.com>
Cc: Rex Zhu <Rex.Zhu at amd.com>
Cc: Andrey Grodzovsky <andrey.grodzovsky at amd.com>
Cc: Huang Rui <ray.huang at amd.com>
Cc: Shaoyun Liu <Shaoyun.Liu at amd.com>
Cc: Monk Liu <Monk.Liu at amd.com>
Cc: nouveau at lists.freedesktop.org
Cc: amd-gfx at lists.freedesktop.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
drivers/gpu/drm/ast/ast_fb.c | 2 +-
drivers/gpu/drm/drm_crtc.c | 31 -------------------
drivers/gpu/drm/drm_crtc_helper.c | 35 ++++++++++++++++++++++
drivers/gpu/drm/nouveau/nouveau_display.c | 2 +-
drivers/gpu/drm/radeon/radeon_display.c | 2 +-
include/drm/drm_crtc.h | 2 --
include/drm/drm_crtc_helper.h | 1 +
8 files changed, 40 insertions(+), 37 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index b60afeade50a..00c86c33f9a2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2708,7 +2708,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
amdgpu_irq_disable_all(adev);
if (adev->mode_info.mode_config_initialized){
if (!amdgpu_device_has_dc_support(adev))
- drm_crtc_force_disable_all(adev->ddev);
+ drm_helper_force_disable_all(adev->ddev);
else
drm_atomic_helper_shutdown(adev->ddev);
}
diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index c2e41369adcf..75f867d00031 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -261,7 +261,7 @@ static void ast_fbdev_destroy(struct drm_device *dev,
{
struct ast_framebuffer *afb = &afbdev->afb;
- drm_crtc_force_disable_all(dev);
+ drm_helper_force_disable_all(dev);
drm_fb_helper_unregister_fbi(&afbdev->helper);
if (afb->obj) {
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index f660819d406e..7dabbaf033a1 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -104,37 +104,6 @@ int drm_crtc_force_disable(struct drm_crtc *crtc)
return drm_mode_set_config_internal(&set);
}
-/**
- * drm_crtc_force_disable_all - Forcibly turn off all enabled CRTCs
- * @dev: DRM device whose CRTCs to turn off
- *
- * Drivers may want to call this on unload to ensure that all displays are
- * unlit and the GPU is in a consistent, low power state. Takes modeset locks.
- *
- * Note: This should only be used by non-atomic legacy drivers. For an atomic
- * version look at drm_atomic_helper_shutdown().
- *
- * Returns:
- * Zero on success, error code on failure.
- */
-int drm_crtc_force_disable_all(struct drm_device *dev)
-{
- struct drm_crtc *crtc;
- int ret = 0;
-
- drm_modeset_lock_all(dev);
- drm_for_each_crtc(crtc, dev)
- if (crtc->enabled) {
- ret = drm_crtc_force_disable(crtc);
- if (ret)
- goto out;
- }
-out:
- drm_modeset_unlock_all(dev);
- return ret;
-}
-EXPORT_SYMBOL(drm_crtc_force_disable_all);
-
static unsigned int drm_num_crtcs(struct drm_device *dev)
{
unsigned int num = 0;
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index a3c81850e755..23159eb494f1 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -984,3 +984,38 @@ void drm_helper_resume_force_mode(struct drm_device *dev)
drm_modeset_unlock_all(dev);
}
EXPORT_SYMBOL(drm_helper_resume_force_mode);
+
+/**
+ * drm_helper_force_disable_all - Forcibly turn off all enabled CRTCs
+ * @dev: DRM device whose CRTCs to turn off
+ *
+ * Drivers may want to call this on unload to ensure that all displays are
+ * unlit and the GPU is in a consistent, low power state. Takes modeset locks.
+ *
+ * Note: This should only be used by non-atomic legacy drivers. For an atomic
+ * version look at drm_atomic_helper_shutdown().
+ *
+ * Returns:
+ * Zero on success, error code on failure.
+ */
+int drm_helper_force_disable_all(struct drm_device *dev)
+{
+ struct drm_crtc *crtc;
+ int ret = 0;
+
+ drm_modeset_lock_all(dev);
+ drm_for_each_crtc(crtc, dev)
+ if (crtc->enabled) {
+ struct drm_mode_set set = {
+ .crtc = crtc,
+ };
+
+ ret = drm_mode_set_config_internal(&set);
+ if (ret)
+ goto out;
+ }
+out:
+ drm_modeset_unlock_all(dev);
+ return ret;
+}
+EXPORT_SYMBOL(drm_helper_force_disable_all);
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index f326ffd86766..5d273a655479 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -453,7 +453,7 @@ nouveau_display_fini(struct drm_device *dev, bool suspend, bool runtime)
if (drm_drv_uses_atomic_modeset(dev))
drm_atomic_helper_shutdown(dev);
else
- drm_crtc_force_disable_all(dev);
+ drm_helper_force_disable_all(dev);
}
/* disable flip completion events */
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index e6912eb99b42..92332226e5cf 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1643,7 +1643,7 @@ void radeon_modeset_fini(struct radeon_device *rdev)
if (rdev->mode_info.mode_config_initialized) {
drm_kms_helper_poll_fini(rdev->ddev);
radeon_hpd_fini(rdev);
- drm_crtc_force_disable_all(rdev->ddev);
+ drm_helper_force_disable_all(rdev->ddev);
radeon_fbdev_fini(rdev);
radeon_afmt_fini(rdev);
drm_mode_config_cleanup(rdev->ddev);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index b45bec0b7a9c..85abd3fe9e83 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1149,8 +1149,6 @@ static inline uint32_t drm_crtc_mask(const struct drm_crtc *crtc)
return 1 << drm_crtc_index(crtc);
}
-int drm_crtc_force_disable_all(struct drm_device *dev);
-
int drm_mode_set_config_internal(struct drm_mode_set *set);
struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx);
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index d65f034843ce..0ee9a96b70da 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -56,6 +56,7 @@ bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
int drm_helper_connector_dpms(struct drm_connector *connector, int mode);
void drm_helper_resume_force_mode(struct drm_device *dev);
+int drm_helper_force_disable_all(struct drm_device *dev);
/* drm_probe_helper.c */
int drm_helper_probe_single_connector_modes(struct drm_connector
--
2.20.0.rc1
More information about the amd-gfx
mailing list