Still waiting for feedback on the vblank approach, and check to see if there
are some
bugs left.
Changes since previous version:
- Some fixes to work after rebasing.
- ivpu regression fixed upstream.
- Add write memory barriers in drm/vblank handling.
For Xe, we also prohibit the use of DSM when CONFIG_PREEMPT_RT is enabled,
and avoid the use of DSM if we cannot take over the framebuffer from the
firmware.
Ideally we copy the framebuffer after intel_fbdev_init_bios(),
when we decide to preserve the framebuffer and the hardware is
completely initialized.
At that point we can use the migration engine to copy the contents over,
this can potentially be used for preserving the initial framebuffer
in the other cases where we cannot not use the initial FB too.
Maarten Lankhorst (24):
drm/vblank_work: Add methods to schedule vblank_work in 2 stages
drm/vblank: Add a 2-stage version of drm_crtc_arm_vblank_event
drm/intel/display: Make intel_crtc_arm_vblank_event static
drm/intel/display: Convert vblank event handling to 2-stage arming
drm/i915/display: Move vblank put until after critical section
drm/i915/display: Remove locking from intel_vblank_evade critical
section
drm/i915/display: Handle vlv dsi workaround in scanline_in_safe_range
too
drm/i915/display: Make get_vblank_counter use intel_de_read_fw()
drm/i915/display: Do not take uncore lock in i915_get_vblank_counter
drm/i915/display: Make icl_dsi_frame_update use _fw too
drm/i915/display: Use intel_de_read/write_fw in colorops
drm/i915/display: Use intel_de_write_fw in intel_pipe_fastset
drm/i915/display: Make set_pipeconf use the fw variants
drm/i915/gt: Fix selftests on PREEMPT_RT
drm/i915/gt: Set stop_timeout() correctly on PREEMPT-RT
drm/i915/display: Remove uncore lock from vlv_atomic_update_fifo
drm/i915: Use sleeping selftests for igt_atomic on PREEMPT_RT
PREEMPT_RT injection
FOR-CI: bump MAX_STACK_TRACE_ENTRIES
drm/xe: Avoid using stolen memory for DPT.
drm/xe/display: Avoid using stolen memory for framebuffer when media
gt exists.
drm/xe/display: Do not allocate into stolen for new framebuffers.
drm/i915/pmu: Convert to raw spinlock
drm/i915/guc: Make timestamp.lock a raw spinlock
Mike Galbraith (1):
drm/i915: Use preempt_disable/enable_rt() where recommended
Sebastian Andrzej Siewior (5):
drm/i915/gt: Use spin_lock_irq() instead of local_irq_disable() +
spin_lock()
drm/i915: Drop the irqs_disabled() check
drm/i915/guc: Consider also RCU depth in busy loop.
Revert "drm/i915: Depend on !PREEMPT_RT."
drm/i915/gt: Add a spinlock to prevent starvation of irq_work.
drivers/gpu/drm/drm_vblank.c | 64 +++++++++-
drivers/gpu/drm/drm_vblank_work.c | 110 +++++++++++++----
drivers/gpu/drm/i915/Kconfig | 1 -
drivers/gpu/drm/i915/display/i9xx_wm.c | 4 -
drivers/gpu/drm/i915/display/icl_dsi.c | 4 +-
drivers/gpu/drm/i915/display/intel_cmtg.c | 6 +-
drivers/gpu/drm/i915/display/intel_color.c | 6 +-
drivers/gpu/drm/i915/display/intel_crtc.c | 86 ++++++-------
drivers/gpu/drm/i915/display/intel_crtc.h | 1 -
drivers/gpu/drm/i915/display/intel_cursor.c | 8 +-
drivers/gpu/drm/i915/display/intel_de.h | 8 ++
drivers/gpu/drm/i915/display/intel_display.c | 52 ++++----
drivers/gpu/drm/i915/display/intel_vblank.c | 115 ++++++++++--------
drivers/gpu/drm/i915/display/intel_vblank.h | 1 +
drivers/gpu/drm/i915/display/intel_vrr.c | 18 +--
drivers/gpu/drm/i915/gt/intel_breadcrumbs.c | 8 +-
.../gpu/drm/i915/gt/intel_breadcrumbs_types.h | 1 +
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +-
.../drm/i915/gt/intel_execlists_submission.c | 17 +--
drivers/gpu/drm/i915/gt/selftest_engine_pm.c | 8 +-
drivers/gpu/drm/i915/gt/uc/intel_guc.h | 4 +-
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 26 ++--
drivers/gpu/drm/i915/i915_pmu.c | 22 ++--
drivers/gpu/drm/i915/i915_pmu.h | 2 +-
drivers/gpu/drm/i915/i915_request.c | 2 -
drivers/gpu/drm/i915/intel_uncore.h | 26 ++--
drivers/gpu/drm/i915/selftests/igt_atomic.c | 7 ++
.../drm/xe/compat-i915-headers/intel_uncore.h | 7 ++
drivers/gpu/drm/xe/display/xe_display_bo.c | 40 ++----
drivers/gpu/drm/xe/display/xe_fb_pin.c | 33 ++---
include/drm/drm_vblank.h | 14 ++-
include/drm/drm_vblank_work.h | 12 ++
kernel/Kconfig.preempt | 4 +-
lib/Kconfig.debug | 5 +-
34 files changed, 445 insertions(+), 279 deletions(-)
--
2.53.0
