drm/amd/display: fix a potential issue in DSC logic (cba4d59c) · Commits · 戴 / test

[why] In compute dsc bandwidth range there is an uninitialized variable [how] Initialize the variable to the correct value. Signed-off-by:

drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c

+10 −4

Original line number	Diff line number	Diff line
		@@ -826,10 +826,16 @@ bool dc_dsc_compute_bandwidth_range(
		struct dc_dsc_config config;

		get_dsc_enc_caps(dc, &dsc_enc_caps, timing->pix_clk_100hz);

		is_dsc_possible = intersect_dsc_caps(dsc_sink_caps, &dsc_enc_caps,
		timing->pixel_encoding, &dsc_common_caps);

		if (is_dsc_possible)
		is_dsc_possible = setup_dsc_config(dsc_sink_caps,
		&dsc_enc_caps,
		0,
		timing, &config);

		if (is_dsc_possible)
		get_dsc_bandwidth_range(min_bpp, max_bpp, &dsc_common_caps, timing, range);