Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/i915/dp: Fail state computation for invalid max throughput BPP value
There is no reason to accept a minimum/maximum link BPP value above the
maximum throughput BPP value, fail the state computation in this case.
Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251215192357.172201-15-imre.deak@intel.com
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drivers/gpu/drm/i915/display/intel_dp.c
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drivers/gpu/drm/i915/display/intel_dp.c
···
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max_link_bpp_x16 = min(max_link_bpp_x16, fxp_q4_from_int(dsc_max_bpp));
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throughput_max_bpp_x16 = dsc_throughput_quirk_max_bpp_x16(connector, crtc_state);
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throughput_max_bpp_x16 = clamp(throughput_max_bpp_x16,
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limits->link.min_bpp_x16, max_link_bpp_x16);
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if (throughput_max_bpp_x16 < max_link_bpp_x16) {
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max_link_bpp_x16 = throughput_max_bpp_x16;
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