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* [PATCH v5 0/3] eDP Data Override
@ 2025-08-19  8:05 Suraj Kandpal
  2025-08-19  8:06 ` [PATCH v5 1/3] drm/i915/vbt: Add eDP Data rate overrride field in VBT Suraj Kandpal
                   ` (4 more replies)
  0 siblings, 5 replies; 12+ messages in thread
From: Suraj Kandpal @ 2025-08-19  8:05 UTC (permalink / raw)
  To: intel-xe, intel-gfx; +Cc: jani.nikula, ankit.k.nautiyal, Suraj Kandpal

When using link rates 2.43 and 6.75 causes a strong noise for WIFI
bands. Its recommended we use 2.7 and 8.1 Gbps instead.
The solution proposed was a static vbt field that provides us with a
mask of rates which need to be skipped in favor of the next higher link
rate.

--v1
-Optimize looping

--v2
-Break 2nd patch to two parts
-Rename intel bios parse function
-Create seprate function for setting rates

-v3
-Fix VBT definition
-Rename intel bios function
-Make the function only return mask
-Protect against broken VBT

--v4
-Fix function naming
-Define macro for num of rates

HSD:14022096069
Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>

Suraj Kandpal (3):
  drm/i915/vbt: Add eDP Data rate overrride field in VBT
  drm/i915/bios: Add function to check if edp data override is needed
  drm/i915/edp: eDP Data Overrride

 drivers/gpu/drm/i915/display/intel_bios.c     | 46 ++++++++++++++++++-
 drivers/gpu/drm/i915/display/intel_bios.h     |  4 ++
 drivers/gpu/drm/i915/display/intel_dp.c       | 22 +++++++++
 drivers/gpu/drm/i915/display/intel_vbt_defs.h | 17 +++++++
 4 files changed, 88 insertions(+), 1 deletion(-)

-- 
2.34.1


^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2025-08-20  8:07 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-08-19  8:05 [PATCH v5 0/3] eDP Data Override Suraj Kandpal
2025-08-19  8:06 ` [PATCH v5 1/3] drm/i915/vbt: Add eDP Data rate overrride field in VBT Suraj Kandpal
2025-08-19  9:16   ` Nautiyal, Ankit K
2025-08-19  8:06 ` [PATCH v5 2/3] drm/i915/bios: Add function to check if edp data override is needed Suraj Kandpal
2025-08-19  8:06 ` [PATCH v5 3/3] drm/i915/edp: eDP Data Overrride Suraj Kandpal
2025-08-19  9:30   ` Nautiyal, Ankit K
2025-08-19  9:41   ` Jani Nikula
2025-08-19 12:03     ` Kandpal, Suraj
2025-08-19 12:20       ` Jani Nikula
2025-08-20  8:07       ` Nautiyal, Ankit K
2025-08-19 11:13 ` ✓ i915.CI.BAT: success for eDP Data Override (rev6) Patchwork
2025-08-19 14:57 ` ✗ i915.CI.Full: failure " Patchwork

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