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 sink compressed BPP value
There is no reason to accept an invalid maximum sink compressed BPP
value (i.e. 0), 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/20251215192357.172201-16-imre.deak@intel.com
+1
-2
+1
-2
drivers/gpu/drm/i915/display/intel_dp.c
+1
-2
drivers/gpu/drm/i915/display/intel_dp.c
···
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dsc_sink_max_bpp = intel_dp_dsc_sink_max_compressed_bpp(connector,
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crtc_state,
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limits->pipe.max_bpp / 3);
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-
dsc_max_bpp = dsc_sink_max_bpp ?
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-
min(dsc_sink_max_bpp, dsc_src_max_bpp) : dsc_src_max_bpp;
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+
dsc_max_bpp = min(dsc_sink_max_bpp, dsc_src_max_bpp);
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dsc_max_bpp = min(dsc_max_bpp, joiner_max_bpp);
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max_link_bpp_x16 = min(max_link_bpp_x16, fxp_q4_from_int(dsc_max_bpp));