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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2024-08-05 08:25:09 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2024-08-05 08:25:09 +0200
commit2c25dcc2361949bc7da730d22de36c019c6bf1e3 (patch)
tree3422f89adb17748bde8419918cb7959d79c773f3 /drivers/gpu/drm/ast/ast_mode.c
parentba5c778cab1dd3e4918f940989e771e2818afee8 (diff)
parentde9c2c66ad8e787abec7c9d7eff4f8c3cdd28aed (diff)
Merge tag 'v6.11-rc2' into media_stage
Linux 6.11-rc2 * tag 'v6.11-rc2': (283 commits) Linux 6.11-rc2 profiling: remove profile=sleep support arm: dts: arm: versatile-ab: Fix duplicate clock node name runtime constants: deal with old decrepit linkers clocksource: Fix brown-bag boolean thinko in cs_watchdog_read() cifs: update internal version number smb: client: fix FSCTL_GET_REPARSE_POINT against NetApp smb3: add dynamic tracepoints for shutdown ioctl cifs: Remove cifs_aio_ctx smb: client: handle lack of FSCTL_GET_REPARSE_POINT support arm64: jump_label: Ensure patched jump_labels are visible to all CPUs syscalls: fix syscall macros for newfstat/newfstatat uretprobe: change syscall number, again thermal: core: Update thermal zone registration documentation Revert "nouveau: rip out busy fence waits" protect the fetch of ->fd[fd] in do_dup2() from mispredictions x86/uaccess: Zero the 8-byte get_range case on failure on 32-bit riscv: Fix linear mapping checks for non-contiguous memory regions KVM: x86/mmu: fix determination of max NPT mapping level for private pages PCI: pciehp: Retain Power Indicator bits for userspace indicators ...
Diffstat (limited to 'drivers/gpu/drm/ast/ast_mode.c')
-rw-r--r--drivers/gpu/drm/ast/ast_mode.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index dc8f639e82fd..049ee1477c33 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -28,6 +28,7 @@
* Authors: Dave Airlie <airlied@redhat.com>
*/
+#include <linux/delay.h>
#include <linux/export.h>
#include <linux/pci.h>
@@ -1687,11 +1688,35 @@ static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector
struct drm_modeset_acquire_ctx *ctx,
bool force)
{
+ struct drm_device *dev = connector->dev;
struct ast_device *ast = to_ast_device(connector->dev);
+ enum drm_connector_status status = connector_status_disconnected;
+ struct drm_connector_state *connector_state = connector->state;
+ bool is_active = false;
+
+ mutex_lock(&ast->modeset_lock);
+
+ if (connector_state && connector_state->crtc) {
+ struct drm_crtc_state *crtc_state = connector_state->crtc->state;
+
+ if (crtc_state && crtc_state->active)
+ is_active = true;
+ }
+
+ if (!is_active && !ast_dp_power_is_on(ast)) {
+ ast_dp_power_on_off(dev, true);
+ msleep(50);
+ }
if (ast_astdp_is_connected(ast))
- return connector_status_connected;
- return connector_status_disconnected;
+ status = connector_status_connected;
+
+ if (!is_active && status == connector_status_disconnected)
+ ast_dp_power_on_off(dev, false);
+
+ mutex_unlock(&ast->modeset_lock);
+
+ return status;
}
static const struct drm_connector_helper_funcs ast_astdp_connector_helper_funcs = {