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Vop2Dxe: Fix up horizontal resolution alignment

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RK3588 requires HActive to be 4-pixel aligned.

This fixes modes such as 1366x768 (rounded up to 1368), which would
otherwise appear fuzzy.

Signed-off-by: Mario Bălănică <mariobalanica02@gmail.com>
This commit is contained in:
Mario Bălănică
2025-03-14 05:23:44 +02:00
parent 46669d1439
commit bc21dd8f26
1 changed files with 34 additions and 0 deletions
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34
edk2-rockchip/Silicon/Rockchip/Drivers/Vop2Dxe/Vop2Dxe.c
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@@ -2534,6 +2534,38 @@ Vop2DscEnable (
));
}
STATIC
VOID
Vop2ModeFixup (
OUT DISPLAY_STATE *DisplayState
)
{
CONNECTOR_STATE *ConnectorState = &DisplayState->ConnectorState;
CRTC_STATE *CrtcState = &DisplayState->CrtcState;
DRM_DISPLAY_MODE *Mode = &ConnectorState->DisplayMode;
/*
* HActive of the video timing must be 4-pixel aligned.
*/
if (Mode->CrtcHDisplay % 4 != 0) {
UINT32 OldHDisplay = Mode->CrtcHDisplay;
UINT32 AlignOffset = 4 - (Mode->CrtcHDisplay % 4);
Mode->CrtcHDisplay += AlignOffset;
Mode->CrtcHSyncStart += AlignOffset;
Mode->CrtcHSyncEnd += AlignOffset;
Mode->CrtcHTotal += AlignOffset;
DEBUG ((
DEBUG_WARN,
"WARN: VP%d: HActive must be 4-pixel aligned: %u -> %u\n",
CrtcState->CrtcID,
OldHDisplay,
Mode->CrtcHDisplay
));
}
}
EFI_STATUS
Vop2Init (
IN ROCKCHIP_CRTC_PROTOCOL *This,
@@ -2554,6 +2586,8 @@ Vop2Init (
BOOLEAN YUVOverlay;
UINT64 DclkRate;
Vop2ModeFixup (DisplayState);
HSyncLen = Mode->CrtcHSyncEnd - Mode->CrtcHSyncStart;
HDisplay = Mode->CrtcHDisplay;
HTotal = Mode->CrtcHTotal;