[Intel-gfx] [PATCH 0/3] drm/i915/display: Convert link bitrate to clock

Mika Kahola mika.kahola at intel.com
Mon Dec 4 11:58:53 UTC 2023


While reading HW state for C10 and C20 chips, let's update the PLL
clock rates. For C20 the clock rate differs from link bit rate on
DP2.0 cases and hence a conversion from link bitrate to clock is
needed.

Signed-off-by: Mika Kahola <mika.kahola at intel.com>

Mika Kahola (3):
  drm/i915/display: Move C20 HW readout
  drm/i915/display: Convert link bitrate to corresponding PLL clock
  drm/i915/display: Print out debug messages for clock rates

 drivers/gpu/drm/i915/display/intel_cx0_phy.c | 161 +++++++++++--------
 drivers/gpu/drm/i915/display/intel_cx0_phy.h |   1 +
 drivers/gpu/drm/i915/display/intel_ddi.c     |   2 +-
 3 files changed, 100 insertions(+), 64 deletions(-)

-- 
2.34.1



More information about the Intel-gfx mailing list