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drm/apple: Use preferred display mode from dcp #597

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drm/apple: Use preferred display mode from dcp #597

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8 changes: 8 additions & 0 deletions drivers/gpu/drm/apple/parser.c
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Original file line number Diff line number Diff line change
Expand Up @@ -452,6 +452,7 @@ static int parse_mode(struct dcp_parse_ctx *handle,
s64 id = -1;
s64 best_color_mode = -1;
bool is_virtual = false;
bool is_preferred = false;
struct drm_display_mode *mode = &out->mode;

dcp_parse_foreach_in_dict(handle, it) {
Expand All @@ -475,6 +476,8 @@ static int parse_mode(struct dcp_parse_ctx *handle,
ret = parse_int(it.handle, &id);
else if (!strcmp(key, "IsVirtual"))
ret = parse_bool(it.handle, &is_virtual);
else if (!strcmp(key, "IsPreferred"))
ret = parse_bool(it.handle, &is_preferred);
else if (!strcmp(key, "Score"))
ret = parse_int(it.handle, score);
else
Expand All @@ -488,6 +491,11 @@ static int parse_mode(struct dcp_parse_ctx *handle,
return ret;
}
}

if (is_preferred) {
*score |= (1L << 32);
}

if (out->sdr_rgb.score >= 0)
best_color_mode = out->sdr_rgb.id;
else if (out->sdr_444.score >= 0)
Expand Down