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> } > + > +/** > + * igt_get_dsc_sink_max_slice_count: > + * @drmfd: A drm file descriptor > + * @connector_name: Name of the libdrm connector we're going to use > + * > + * Returns: The maximum dsc sink slice count from the connector debugfs. > + */ > +int igt_get_dsc_sink_max_slice_count(int drmfd, char *connector_name) > +{ > + char file_name[128] = {0}; > + char buf[512]; > + char *start_loc; > + int max_slice_count; > + > + sprintf(file_name, "%s/i915_dsc_fec_support", connector_name); > + igt_debugfs_read(drmfd, file_name, buf); > + > + igt_assert(start_loc = strstr(buf, "DSC_Sink_Max_Slice_Count: ")); > + igt_assert_eq(sscanf(start_loc, "DSC_Sink_Max_Slice_Count: %d", &max_slice_count), 1); > + igt_assert(max_slice_count > 0); > + > + return max_slice_count; > +} LGTM, Reviewed-by: Santhosh Reddy Guddati > diff --git a/lib/igt_dsc.h b/lib/igt_dsc.h > index 7ab0917ec..3cf2d4e76 100644 > --- a/lib/igt_dsc.h > +++ b/lib/igt_dsc.h > @@ -27,5 +27,6 @@ int igt_get_dsc_fractional_bpp_supported(int drmfd, char *connector_name); > bool igt_is_force_dsc_fractional_bpp_enabled(int drmfd, char *connector_name); > int igt_force_dsc_fractional_bpp_enable(int drmfd, char *connector_name); > int igt_get_dsc_fractional_bpp_debugfs_fd(int drmfd, char *connector_name); > +int igt_get_dsc_sink_max_slice_count(int drmfd, char *connector_name); > > #endif