> -----Original Message-----
> From: Shankar, Uma <[email protected]>
> Sent: Wednesday, July 15, 2026 4:11 PM
> To: [email protected]; [email protected]
> Cc: Govindapillai, Vinod <[email protected]>; Kandpal, Suraj
> <[email protected]>; Shankar, Uma <[email protected]>
> Subject: [v2 0/2] drm/i915/display: Implement Display Wa_16030862157
>
> Interpret 0xF populated-channel count as 16. For 16-channel configuration,
> BIOS
> programs 1111b. A programmed value of 1111b must be interpreted as 16
> channels for memory bandwidth calculations.
> This series implements the workaround in driver.
Pushed to drm-intel-next. Thanks for the reviews.
> Uma Shankar (2):
> drm/i915/display: Add Wa_16030862157 to the display workaround list
> drm/i915/dram: Interpret 0xF populated-channel count as 16
>
> drivers/gpu/drm/i915/display/intel_bw.c | 20 ++++++++++++++++---
> .../gpu/drm/i915/display/intel_display_wa.c | 2 ++
> .../gpu/drm/i915/display/intel_display_wa.h | 1 +
> drivers/gpu/drm/i915/display/intel_dram.c | 12 +++++++++++
> 4 files changed, 32 insertions(+), 3 deletions(-)
>
> --
> 2.50.1