From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Pass down the correct acquire context to the pipe A quirk load detect
hack during display resume. Avoids deadlocking the entire thing.
Cc: stable@xxxxxxxxxxxxxxx
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Fixes: e2c8b8701e2d ("drm/i915: Use atomic helpers for suspend, v2.")
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ed41b59ee8e3..2f76a63efe8c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -120,7 +120,8 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc,
static void skylake_pfit_enable(struct intel_crtc *crtc);
static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force);
static void ironlake_pfit_enable(struct intel_crtc *crtc);
-static void intel_modeset_setup_hw_state(struct drm_device *dev);
+static void intel_modeset_setup_hw_state(struct drm_device *dev,
+ struct drm_modeset_acquire_ctx *ctx);
static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc);
struct intel_limit {
@@ -3461,7 +3462,7 @@ __intel_display_resume(struct drm_device *dev,
struct drm_crtc *crtc;
int i, ret;
- intel_modeset_setup_hw_state(dev);
+ intel_modeset_setup_hw_state(dev, ctx);
i915_redisable_vga(to_i915(dev));
if (!state)
@@ -15094,7 +15095,7 @@ int intel_modeset_init(struct drm_device *dev)
intel_setup_outputs(dev_priv);
drm_modeset_lock_all(dev);
- intel_modeset_setup_hw_state(dev);
+ intel_modeset_setup_hw_state(dev, dev->mode_config.acquire_ctx);
drm_modeset_unlock_all(dev);
for_each_intel_crtc(dev, crtc) {
@@ -15131,13 +15132,13 @@ int intel_modeset_init(struct drm_device *dev)
return 0;
}
-static void intel_enable_pipe_a(struct drm_device *dev)
+static void intel_enable_pipe_a(struct drm_device *dev,
+ struct drm_modeset_acquire_ctx *ctx)
{
struct intel_connector *connector;
struct drm_connector_list_iter conn_iter;
struct drm_connector *crt = NULL;
struct intel_load_detect_pipe load_detect_temp;
- struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx;
int ret;
/* We can't just switch on the pipe A, we need to set things up with a
@@ -15209,7 +15210,8 @@ static bool has_pch_trancoder(struct drm_i915_private *dev_priv,
(HAS_PCH_LPT_H(dev_priv) && pch_transcoder == TRANSCODER_A);
}
-static void intel_sanitize_crtc(struct intel_crtc *crtc)
+static void intel_sanitize_crtc(struct intel_crtc *crtc,
+ struct drm_modeset_acquire_ctx *ctx)
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = to_i915(dev);
@@ -15265,7 +15267,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
* resume. Force-enable the pipe to fix this, the update_dpms
* call below we restore the pipe to the right state, but leave
* the required bits on. */
- intel_enable_pipe_a(dev);
+ intel_enable_pipe_a(dev, ctx);
}
/* Adjust the state of the output pipe according to whether we
@@ -15568,7 +15570,8 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv)
* and sanitizes it to the current state
*/
static void
-intel_modeset_setup_hw_state(struct drm_device *dev)
+intel_modeset_setup_hw_state(struct drm_device *dev,
+ struct drm_modeset_acquire_ctx *ctx)
{
struct drm_i915_private *dev_priv = to_i915(dev);
enum pipe pipe;
@@ -15588,7 +15591,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev)
for_each_pipe(dev_priv, pipe) {
crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
- intel_sanitize_crtc(crtc);
+ intel_sanitize_crtc(crtc, ctx);
intel_dump_pipe_config(crtc, crtc->config,
"[setup_hw_state]");
}
--
2.10.2
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
