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* [PATCH v2 0/9] drm/i915/prefill: Introduce helpers for prefill latency calculations
@ 2025-10-14 19:17 Ville Syrjala
  2025-10-14 19:18 ` [PATCH v2 1/9] drm/i915/vblank: Add helper to get correct vblank length Ville Syrjala
                   ` (22 more replies)
  0 siblings, 23 replies; 28+ messages in thread
From: Ville Syrjala @ 2025-10-14 19:17 UTC (permalink / raw)
  To: intel-gfx; +Cc: intel-xe

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Introduce skl_prefill and various accompanying helpers to do
pipe prefill latency related stuff (vblank/guardband length
checks, and in the future reduced guardband length).

Still a bit rough in plaeces but hopefull good enough to
roll out.

v2: Always use worst case cdclk estimate for now
    Drop excessive debugs
    Fix missing <<16 for framestart_delay
    Use Ankit's intel_crtc_vblank_length()
    Some spit and polish here and there

Ankit Nautiyal (1):
  drm/i915/vblank: Add helper to get correct vblank length

Ville Syrjälä (8):
  drm/i915: Reject modes with linetime > 64 usec
  drm/i915/cdclk: Add prefill helpers for CDCLK
  drm/i915/cdclk: Add intel_cdclk_min_cdclk_for_prefill()
  drm/i915/dsc: Add prefill helper for DSC
  drm/i915/scaler: Add scaler prefill helpers
  drm/i915/wm: Add WM0 prefill helpers
  drm/i915/prefill: Introduce skl_prefill.c
  drm/i915/wm: Use skl_prefill

 drivers/gpu/drm/i915/Makefile                |   1 +
 drivers/gpu/drm/i915/display/intel_cdclk.c   |  80 +++++++-
 drivers/gpu/drm/i915/display/intel_cdclk.h   |   6 +
 drivers/gpu/drm/i915/display/intel_display.c |   8 +
 drivers/gpu/drm/i915/display/intel_vblank.c  |  10 +
 drivers/gpu/drm/i915/display/intel_vblank.h  |   2 +
 drivers/gpu/drm/i915/display/intel_vdsc.c    |   8 +
 drivers/gpu/drm/i915/display/intel_vdsc.h    |   1 +
 drivers/gpu/drm/i915/display/skl_prefill.c   | 157 +++++++++++++++
 drivers/gpu/drm/i915/display/skl_prefill.h   |  46 +++++
 drivers/gpu/drm/i915/display/skl_scaler.c    | 198 +++++++++++++++++++
 drivers/gpu/drm/i915/display/skl_scaler.h    |  15 ++
 drivers/gpu/drm/i915/display/skl_watermark.c | 176 +++++++----------
 drivers/gpu/drm/i915/display/skl_watermark.h |   3 +
 drivers/gpu/drm/xe/Makefile                  |   1 +
 15 files changed, 608 insertions(+), 104 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/display/skl_prefill.c
 create mode 100644 drivers/gpu/drm/i915/display/skl_prefill.h

-- 
2.49.1


^ permalink raw reply	[flat|nested] 28+ messages in thread

end of thread, other threads:[~2025-10-16 13:44 UTC | newest]

Thread overview: 28+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-10-14 19:17 [PATCH v2 0/9] drm/i915/prefill: Introduce helpers for prefill latency calculations Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 1/9] drm/i915/vblank: Add helper to get correct vblank length Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 2/9] drm/i915: Reject modes with linetime > 64 usec Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 3/9] drm/i915/cdclk: Add prefill helpers for CDCLK Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 4/9] drm/i915/cdclk: Add intel_cdclk_min_cdclk_for_prefill() Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 5/9] drm/i915/dsc: Add prefill helper for DSC Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 6/9] drm/i915/scaler: Add scaler prefill helpers Ville Syrjala
2025-10-15 11:23   ` Shankar, Uma
2025-10-15 12:51     ` Ville Syrjälä
2025-10-15 12:56   ` [PATCH v3 " Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 7/9] drm/i915/wm: Add WM0 " Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 8/9] drm/i915/prefill: Introduce skl_prefill.c Ville Syrjala
2025-10-14 19:18 ` [PATCH v2 9/9] drm/i915/wm: Use skl_prefill Ville Syrjala
2025-10-14 19:24 ` ✗ CI.checkpatch: warning for drm/i915/prefill: Introduce helpers for prefill latency calculations (rev2) Patchwork
2025-10-14 19:25 ` ✓ CI.KUnit: success " Patchwork
2025-10-14 19:43 ` ✗ CI.checksparse: warning " Patchwork
2025-10-14 20:05 ` ✓ Xe.CI.BAT: success " Patchwork
2025-10-14 20:11 ` ✓ i915.CI.BAT: " Patchwork
2025-10-14 23:28 ` ✗ i915.CI.Full: failure " Patchwork
2025-10-15  6:42 ` ✗ Xe.CI.Full: " Patchwork
2025-10-15 14:00 ` ✓ i915.CI.BAT: success for drm/i915/prefill: Introduce helpers for prefill latency calculations (rev3) Patchwork
2025-10-15 18:57 ` ✗ i915.CI.Full: failure " Patchwork
2025-10-16 13:44   ` Ville Syrjälä
2025-10-15 20:58 ` ✗ CI.checkpatch: warning " Patchwork
2025-10-15 21:00 ` ✓ CI.KUnit: success " Patchwork
2025-10-15 21:15 ` ✗ CI.checksparse: warning " Patchwork
2025-10-15 21:40 ` ✓ Xe.CI.BAT: success " Patchwork
2025-10-16  8:33 ` ✓ Xe.CI.Full: " Patchwork

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