From 6f67e6fd4dc022265fb1b7bb26ef955d8d9e6540 Mon Sep 17 00:00:00 2001 From: Sean Paul Date: Sat, 2 Oct 2021 11:45:28 -0400 Subject: [PATCH] Revert "drm/amd: cleanup: drm_modeset_lock_all() --> DRM_MODESET_LOCK_ALL_BEGIN()" MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This reverts commit 299f040e855b69c29522cde446777902381a07f5. This patchset breaks on intel platforms and was previously NACK'd by Ville. Cc: Ville Syrjälä Cc: Fernando Ramos Acked-by: Ville Syrjälä Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20211002154542.15800-2-sean@poorly.run --- drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 21 +++----- .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 50 +++++++++---------- .../amd/display/amdgpu_dm/amdgpu_dm_debugfs.c | 25 ++++------ 3 files changed, 43 insertions(+), 53 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index b07e845a2600..7a7316731911 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -40,7 +40,6 @@ #include #include #include -#include static void amdgpu_display_flip_callback(struct dma_fence *f, struct dma_fence_cb *cb) @@ -1544,21 +1543,16 @@ int amdgpu_display_suspend_helper(struct amdgpu_device *adev) struct drm_crtc *crtc; struct drm_connector *connector; struct drm_connector_list_iter iter; - struct drm_modeset_acquire_ctx ctx; - int r, ret; + int r; /* turn off display hw */ - DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); + drm_modeset_lock_all(dev); drm_connector_list_iter_begin(dev, &iter); drm_for_each_connector_iter(connector, &iter) drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); drm_connector_list_iter_end(&iter); - DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); - - if (ret) - return ret; - + drm_modeset_unlock_all(dev); /* unpin the front buffers and cursors */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); @@ -1596,8 +1590,7 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev) struct drm_connector *connector; struct drm_connector_list_iter iter; struct drm_crtc *crtc; - struct drm_modeset_acquire_ctx ctx; - int r, ret; + int r; /* pin cursors */ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { @@ -1619,7 +1612,7 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev) drm_helper_resume_force_mode(dev); /* turn on display hw */ - DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); + drm_modeset_lock_all(dev); drm_connector_list_iter_begin(dev, &iter); drm_for_each_connector_iter(connector, &iter) @@ -1627,8 +1620,8 @@ int amdgpu_display_resume_helper(struct amdgpu_device *adev) DRM_MODE_DPMS_ON); drm_connector_list_iter_end(&iter); - DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); + drm_modeset_unlock_all(dev); - return ret; + return 0; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 5196c1d26f87..9b1fc54555ee 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -80,7 +80,6 @@ #include #include #include -#include #if defined(CONFIG_DRM_AMD_DC_DCN) #include "ivsrcid/dcn/irqsrcs_dcn_1_0.h" @@ -2622,9 +2621,6 @@ static void handle_hpd_irq(void *param) #ifdef CONFIG_DRM_AMD_DC_HDCP struct dm_connector_state *dm_con_state = to_dm_connector_state(connector->state); #endif - struct drm_modeset_acquire_ctx ctx; - int ret; - if (adev->dm.disable_hpd_irq) return; @@ -2650,6 +2646,14 @@ static void handle_hpd_irq(void *param) if (aconnector->base.force && new_connection_type == dc_connection_none) { emulated_link_detect(aconnector->dc_link); + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) + drm_kms_helper_hotplug_event(dev); + } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) { if (new_connection_type == dc_connection_none && aconnector->dc_link->type == dc_connection_none) @@ -2657,18 +2661,13 @@ static void handle_hpd_irq(void *param) amdgpu_dm_update_connector_after_detect(aconnector); - } else { - goto out; - } - - DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); - dm_restore_drm_connector_state(dev, connector); - DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); - - if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) - drm_kms_helper_hotplug_event(dev); + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); -out: + if (aconnector->base.force == DRM_FORCE_UNSPECIFIED) + drm_kms_helper_hotplug_event(dev); + } mutex_unlock(&aconnector->hpd_lock); } @@ -2757,14 +2756,12 @@ static void handle_hpd_rx_irq(void *param) struct drm_connector *connector = &aconnector->base; struct drm_device *dev = connector->dev; struct dc_link *dc_link = aconnector->dc_link; - struct drm_modeset_acquire_ctx ctx; bool is_mst_root_connector = aconnector->mst_mgr.mst_state; bool result = false; enum dc_connection_type new_connection_type = dc_connection_none; struct amdgpu_device *adev = drm_to_adev(dev); union hpd_irq_data hpd_irq_data; bool lock_flag = 0; - int ret; memset(&hpd_irq_data, 0, sizeof(hpd_irq_data)); @@ -2831,6 +2828,12 @@ out: amdgpu_dm_update_connector_after_detect(aconnector); + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + drm_kms_helper_hotplug_event(dev); } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) { if (aconnector->fake_enable) @@ -2838,17 +2841,14 @@ out: amdgpu_dm_update_connector_after_detect(aconnector); - } else { - goto finish; - } - DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); - dm_restore_drm_connector_state(dev, connector); - DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_hotplug_event(dev); + } } -finish: #ifdef CONFIG_DRM_AMD_DC_HDCP if (hpd_irq_data.bytes.device_service_irq.bits.CP_IRQ) { if (adev->dm.hdcp_workqueue) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index fb7b56fa2673..87daa78a32b8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -24,7 +24,6 @@ */ #include -#include #include "dc.h" #include "amdgpu.h" @@ -1192,14 +1191,12 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, struct drm_connector *connector = &aconnector->base; struct dc_link *link = NULL; struct drm_device *dev = connector->dev; - struct drm_modeset_acquire_ctx ctx; enum dc_connection_type new_connection_type = dc_connection_none; char *wr_buf = NULL; uint32_t wr_buf_size = 42; int max_param_num = 1; long param[1] = {0}; uint8_t param_nums = 0; - int ret; if (!aconnector || !aconnector->dc_link) return -EINVAL; @@ -1239,6 +1236,12 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, goto unlock; amdgpu_dm_update_connector_after_detect(aconnector); + + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); + + drm_kms_helper_hotplug_event(dev); } else if (param[0] == 0) { if (!aconnector->dc_link) goto unlock; @@ -1256,18 +1259,12 @@ static ssize_t trigger_hotplug(struct file *f, const char __user *buf, amdgpu_dm_update_connector_after_detect(aconnector); - } else { - goto unlock; - } - - DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret); - dm_restore_drm_connector_state(dev, connector); - DRM_MODESET_LOCK_ALL_END(dev, ctx, ret); - - if (ret) - return ret; + drm_modeset_lock_all(dev); + dm_restore_drm_connector_state(dev, connector); + drm_modeset_unlock_all(dev); - drm_kms_helper_hotplug_event(dev); + drm_kms_helper_hotplug_event(dev); + } unlock: mutex_unlock(&aconnector->hpd_lock); -- 2.34.1