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[idd] driver/helper: dont allow resolutions that wont fit in ram

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This commit is contained in:
Geoffrey McRae
2026-08-01 16:28:24 +10:00
parent 98bde6cf36
commit c5459dec5b
9 changed files with 245 additions and 11 deletions
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5
idd/LGIdd/CIndirectDeviceContext.h
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@@ -100,6 +100,7 @@ private:
int m_cursorX = 0, m_cursorY = 0;
size_t m_alignSize = 0;
size_t m_frameMemoryOffset = 0;
size_t m_maxFrameSize = 0;
int m_frameIndex = 0;
volatile LONG m_publishedFrameIndex = -1;
@@ -146,6 +147,8 @@ private:
void ResendCursor();
void SendColorTransform();
void InitializeEdid();
bool GetResolutionMemoryRequirements(uint32_t width, uint32_t height,
UINT64& frameSize, UINT64& ivshmemSize) const;
// Guards m_displayModes and m_edid. The mode list is rebuilt on the LGMP
// timer thread (SetResolution) while IddCx concurrently enumerates it on its
@@ -196,7 +199,7 @@ public:
const IDARG_IN_QUERYTARGETMODES2* inArgs, IDARG_OUT_QUERYTARGETMODES* outArgs);
#endif
void SetResolution(int width, int height);
void SetResolution(uint32_t width, uint32_t height);
size_t GetAlignSize () const { return m_alignSize ; }
size_t GetMaxFrameSize() const { return m_maxFrameSize ; }