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* [PATCH v2 00/11] Underrun on idle PSR workaround
@ 2025-03-17  8:18 Jouni Högander
  2025-03-17  8:18 ` [PATCH v2 01/11] drm/i915/display: Add new interface for getting dc_state Jouni Högander
                   ` (19 more replies)
  0 siblings, 20 replies; 29+ messages in thread
From: Jouni Högander @ 2025-03-17  8:18 UTC (permalink / raw)
  To: intel-gfx, intel-xe; +Cc: Jouni Högander

This patchset is implementing workaround for underrun on idle PSR HW
bug (Wa_16025596647).

It is adding notification mechanisms towards PSR for pipe
enable/disable, vblank enable/disable and enabling disabling
DC5/DC6. These notifications are used to apply/remove the workaround.

Current mechanism to block DC states while vblank is enabled on Panel
Replay capable system is extended to work for this new workaround as
well.

v2:
  - remove patch mistakenly added to the set
  - add missing patch

Jouni Högander (11):
  drm/i915/display: Add new interface for getting dc_state
  drm/i915/psr: Store enabled non-psr pipes into intel_crtc_state
  drm/i915/dmc: Add PIPEDMC_EVT_CTL register definition
  drm/i915/dmc: Add PIPEDMC_BLOCK_PKGC_SW definitions
  drm/i915/psr: Write PIPEDMC_BLOCK_PKGC_SW when enabling PSR
  drm/i915/psr: Add mechanism to notify PSR of pipe enable/disable
  drm/i915/psr: Add mechanism to notify PSR of DC5/6 enable disable
  drm/i915/psr: Add interface to notify PSR of vblank enable/disable
  drm/i915/psr: Apply underrun on PSR idle workaround
  drm/i915/display: Rename intel_psr_needs_block_dc_vblank
  drm/i915/display: Rename vblank DC workaround functions and variables

 drivers/gpu/drm/i915/display/intel_crtc.c     |   6 +-
 drivers/gpu/drm/i915/display/intel_display.c  |   4 +
 .../gpu/drm/i915/display/intel_display_core.h |   6 +-
 .../drm/i915/display/intel_display_driver.c   |   3 +
 .../gpu/drm/i915/display/intel_display_irq.c  |  27 +-
 .../drm/i915/display/intel_display_power.c    |  29 ++
 .../drm/i915/display/intel_display_power.h    |   1 +
 .../i915/display/intel_display_power_well.c   |   4 +
 .../drm/i915/display/intel_display_types.h    |   5 +-
 drivers/gpu/drm/i915/display/intel_dmc_regs.h |  14 +
 drivers/gpu/drm/i915/display/intel_psr.c      | 273 +++++++++++++++++-
 drivers/gpu/drm/i915/display/intel_psr.h      |   8 +-
 12 files changed, 350 insertions(+), 30 deletions(-)

-- 
2.43.0


^ permalink raw reply	[flat|nested] 29+ messages in thread

end of thread, other threads:[~2025-04-08 12:29 UTC | newest]

Thread overview: 29+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-03-17  8:18 [PATCH v2 00/11] Underrun on idle PSR workaround Jouni Högander
2025-03-17  8:18 ` [PATCH v2 01/11] drm/i915/display: Add new interface for getting dc_state Jouni Högander
2025-03-17  8:18 ` [PATCH v2 02/11] drm/i915/psr: Store enabled non-psr pipes into intel_crtc_state Jouni Högander
2025-03-17  8:18 ` [PATCH v2 03/11] drm/i915/dmc: Add PIPEDMC_EVT_CTL register definition Jouni Högander
2025-03-17  8:18 ` [PATCH v2 04/11] drm/i915/dmc: Add PIPEDMC_BLOCK_PKGC_SW definitions Jouni Högander
2025-04-07 11:50   ` Kahola, Mika
2025-03-17  8:18 ` [PATCH v2 05/11] drm/i915/psr: Write PIPEDMC_BLOCK_PKGC_SW when enabling PSR Jouni Högander
2025-03-21 12:39   ` Jani Nikula
2025-03-17  8:19 ` [PATCH v2 06/11] drm/i915/psr: Add mechanism to notify PSR of pipe enable/disable Jouni Högander
2025-04-08 10:44   ` Kahola, Mika
2025-03-17  8:19 ` [PATCH v2 07/11] drm/i915/psr: Add mechanism to notify PSR of DC5/6 enable disable Jouni Högander
2025-04-08 11:07   ` Kahola, Mika
2025-03-17  8:19 ` [PATCH v2 08/11] drm/i915/psr: Add interface to notify PSR of vblank enable/disable Jouni Högander
2025-04-08 12:10   ` Kahola, Mika
2025-03-17  8:19 ` [PATCH v2 09/11] drm/i915/psr: Apply underrun on PSR idle workaround Jouni Högander
2025-04-08 12:27   ` Kahola, Mika
2025-03-17  8:19 ` [PATCH v2 10/11] drm/i915/display: Rename intel_psr_needs_block_dc_vblank Jouni Högander
2025-04-08 12:28   ` Kahola, Mika
2025-03-17  8:19 ` [PATCH v2 11/11] drm/i915/display: Rename vblank DC workaround functions and variables Jouni Högander
2025-04-08 12:28   ` Kahola, Mika
2025-03-17  8:28 ` ✗ CI.Patch_applied: failure for Underrun on idle PSR workaround (rev4) Patchwork
2025-03-18 13:44 ` ✓ CI.Patch_applied: success for Underrun on idle PSR workaround (rev5) Patchwork
2025-03-18 13:44 ` ✗ CI.checkpatch: warning " Patchwork
2025-03-18 13:45 ` ✓ CI.KUnit: success " Patchwork
2025-03-18 14:02 ` ✓ CI.Build: " Patchwork
2025-03-18 14:04 ` ✓ CI.Hooks: " Patchwork
2025-03-18 14:06 ` ✗ CI.checksparse: warning " Patchwork
2025-03-18 14:27 ` ✓ Xe.CI.BAT: success " Patchwork
2025-03-18 15:27 ` ✗ Xe.CI.Full: failure " Patchwork

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