Add a structure with a bitfield member for each platform and
subplatform, and initialize them in platform and subplatform descs.

Signed-off-by: Jani Nikula <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_display_device.c | 8 ++++++--
 drivers/gpu/drm/i915/display/intel_display_device.h | 8 ++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c 
b/drivers/gpu/drm/i915/display/intel_display_device.c
index 80563af7ac71..0c275d85bd30 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -21,6 +21,7 @@ __diag_push();
 __diag_ignore_all("-Woverride-init", "Allow field initialization overrides for 
display info");
 
 struct subplatform_desc {
+       struct intel_display_is is;
        enum intel_display_platform subplatform;
        const char *name;
        const u16 *pciidlist;
@@ -28,9 +29,11 @@ struct subplatform_desc {
 
 #define SUBPLATFORM(_platform, _subplatform)                           \
        .subplatform = (INTEL_DISPLAY_##_platform##_##_subplatform),    \
-       .name = #_subplatform
+       .name = #_subplatform,                                          \
+       .is._platform##_##_subplatform = 1
 
 struct platform_desc {
+       struct intel_display_is is;
        enum intel_display_platform platform;
        const char *name;
        const struct subplatform_desc *subplatforms;
@@ -39,7 +42,8 @@ struct platform_desc {
 
 #define PLATFORM(_platform)                     \
        .platform = (INTEL_DISPLAY_##_platform), \
-       .name = #_platform
+       .name = #_platform,                      \
+       .is._platform = 1
 
 #define ID(id) (id)
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h 
b/drivers/gpu/drm/i915/display/intel_display_device.h
index 50485235ef09..73070c8487ff 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -101,6 +101,14 @@ enum intel_display_platform {
 
 #undef ENUM
 
+#define MEMBER(name) u32 name:1;
+
+struct intel_display_is {
+       INTEL_DISPLAY_PLATFORMS(MEMBER);
+};
+
+#undef MEMBER
+
 #define DEV_INFO_DISPLAY_FOR_EACH_FLAG(func) \
        /* Keep in alphabetical order */ \
        func(cursor_needs_physical); \
-- 
2.39.2

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