public inbox for intel-gfx@lists.freedesktop.org
 help / color / mirror / Atom feed
* [Intel-gfx] [RFC 0/2] Add new CDCLK step for RPL-U
@ 2023-01-12  9:27 Chaitanya Kumar Borah
  2023-01-12  9:27 ` [Intel-gfx] [RFC v2 1/2] drm/i915: Add sub platform for 480MHz CDCLK step Chaitanya Kumar Borah
                   ` (4 more replies)
  0 siblings, 5 replies; 10+ messages in thread
From: Chaitanya Kumar Borah @ 2023-01-12  9:27 UTC (permalink / raw)
  To: intel-gfx; +Cc: ville.syrjala

  A new step of 480MHz has been added on SKUs that have an RPL-U
device id. This particular step is to support 120Hz panels
more efficiently.

This patchset adds a new table to include this new CDCLK
step. Details can be found in BSpec entry 55409.

Create a new sub-platform to identify RPL-U which will enable
us to make the differentiation during CDCLK initialization.

Furthermore, we need to make a distinction between ES (Engineering
Sample) and QS (Quality Sample) parts as this change comes only
to QS parts. This version of the patch does not include this change
as we are yet to make a decision if this particular part needs
to be upstreamed.(see comments on revision 2)

Chaitanya Kumar Borah (2):
  drm/i915: Add sub platform for 480MHz CDCLK step
  drm/i915/display: Add 480 MHz CDCLK steps for RPL-U

 drivers/gpu/drm/i915/display/intel_cdclk.c | 26 ++++++++++++++++++++++
 drivers/gpu/drm/i915/i915_drv.h            |  2 ++
 drivers/gpu/drm/i915/i915_pci.c            |  1 +
 drivers/gpu/drm/i915/intel_device_info.c   |  8 +++++++
 drivers/gpu/drm/i915/intel_device_info.h   |  2 ++
 include/drm/i915_pciids.h                  | 11 +++++----
 6 files changed, 46 insertions(+), 4 deletions(-)

-- 
2.25.1


^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2023-01-13  4:38 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2023-01-12  9:27 [Intel-gfx] [RFC 0/2] Add new CDCLK step for RPL-U Chaitanya Kumar Borah
2023-01-12  9:27 ` [Intel-gfx] [RFC v2 1/2] drm/i915: Add sub platform for 480MHz CDCLK step Chaitanya Kumar Borah
2023-01-12 11:03   ` Jani Nikula
2023-01-12 11:29     ` Jani Nikula
2023-01-12 17:32     ` Matt Roper
2023-01-13  4:38       ` Borah, Chaitanya Kumar
2023-01-12  9:27 ` [Intel-gfx] [RFC 2/2] drm/i915/display: Add 480 MHz CDCLK steps for RPL-U Chaitanya Kumar Borah
2023-01-12  9:49 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Add new CDCLK step for RPL-U (rev4) Patchwork
2023-01-12 14:57 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-01-12 18:44 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox