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drm/i915/bw: Remove deinterleave fallback for TGL+

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Remove the deinterleave fallback calculation from the TGL+ codepath.
The fallback is using the ICL deinterleave calculation which was never
in the TGL+ algorithm. All supported memory types have the correct
deinterleave already specified for TGL+ anyway, so this is dead code.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260522200346.17377-10-ville.syrjala@linux.intel.com
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
This commit is contained in:
Ville Syrjälä 2026-05-22 23:03:45 +03:00
parent 7817373f0f
commit 1d36507381
1 changed files with 0 additions and 2 deletions
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2
drivers/gpu/drm/i915/display/intel_bw.c
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@ -608,8 +608,6 @@ static int tgl_get_bw_info(struct intel_display *display,
(dram_info->type == INTEL_DRAM_LPDDR4 || dram_info->type == INTEL_DRAM_LPDDR5))
num_channels *= 2;
qi.deinterleave = qi.deinterleave ? : DIV_ROUND_UP(num_channels, is_y_tile ? 4 : 2);
if (num_channels < qi.max_numchannels && DISPLAY_VER(display) >= 12)
qi.deinterleave = max(qi.deinterleave / 2, 1);