diff options
Diffstat (limited to 'ArmPlatformPkg/Library/HdLcd/HdLcd.c')
| -rw-r--r-- | ArmPlatformPkg/Library/HdLcd/HdLcd.c | 50 |
1 files changed, 23 insertions, 27 deletions
diff --git a/ArmPlatformPkg/Library/HdLcd/HdLcd.c b/ArmPlatformPkg/Library/HdLcd/HdLcd.c index 039048398c..f5886848ce 100644 --- a/ArmPlatformPkg/Library/HdLcd/HdLcd.c +++ b/ArmPlatformPkg/Library/HdLcd/HdLcd.c @@ -98,34 +98,25 @@ LcdSetMode ( )
{
EFI_STATUS Status;
- UINT32 HRes;
- UINT32 HSync;
- UINT32 HBackPorch;
- UINT32 HFrontPorch;
- UINT32 VRes;
- UINT32 VSync;
- UINT32 VBackPorch;
- UINT32 VFrontPorch;
+ SCAN_TIMINGS *Horizontal;
+ SCAN_TIMINGS *Vertical;
UINT32 BytesPerPixel;
LCD_BPP LcdBpp;
// Set the video mode timings and other relevant information
Status = LcdPlatformGetTimings (
ModeNumber,
- &HRes,
- &HSync,
- &HBackPorch,
- &HFrontPorch,
- &VRes,
- &VSync,
- &VBackPorch,
- &VFrontPorch
+ &Horizontal,
+ &Vertical
);
if (EFI_ERROR (Status)) {
ASSERT_EFI_ERROR (Status);
return Status;
}
+ ASSERT (Horizontal != NULL);
+ ASSERT (Vertical != NULL);
+
Status = LcdPlatformGetBpp (ModeNumber, &LcdBpp);
if (EFI_ERROR (Status)) {
ASSERT_EFI_ERROR (Status);
@@ -138,21 +129,26 @@ LcdSetMode ( MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_DISABLE);
// Update the frame buffer information with the new settings
- MmioWrite32 (HDLCD_REG_FB_LINE_LENGTH, HRes * BytesPerPixel);
- MmioWrite32 (HDLCD_REG_FB_LINE_PITCH, HRes * BytesPerPixel);
- MmioWrite32 (HDLCD_REG_FB_LINE_COUNT, VRes - 1);
+ MmioWrite32 (
+ HDLCD_REG_FB_LINE_LENGTH,
+ Horizontal->Resolution * BytesPerPixel
+ );
+
+ MmioWrite32 (HDLCD_REG_FB_LINE_PITCH, Horizontal->Resolution * BytesPerPixel);
+
+ MmioWrite32 (HDLCD_REG_FB_LINE_COUNT, Vertical->Resolution - 1);
// Set the vertical timing information
- MmioWrite32 (HDLCD_REG_V_SYNC, VSync);
- MmioWrite32 (HDLCD_REG_V_BACK_PORCH, VBackPorch);
- MmioWrite32 (HDLCD_REG_V_DATA, VRes - 1);
- MmioWrite32 (HDLCD_REG_V_FRONT_PORCH, VFrontPorch);
+ MmioWrite32 (HDLCD_REG_V_SYNC, Vertical->Sync);
+ MmioWrite32 (HDLCD_REG_V_BACK_PORCH, Vertical->BackPorch);
+ MmioWrite32 (HDLCD_REG_V_DATA, Vertical->Resolution - 1);
+ MmioWrite32 (HDLCD_REG_V_FRONT_PORCH, Vertical->FrontPorch);
// Set the horizontal timing information
- MmioWrite32 (HDLCD_REG_H_SYNC, HSync);
- MmioWrite32 (HDLCD_REG_H_BACK_PORCH, HBackPorch);
- MmioWrite32 (HDLCD_REG_H_DATA, HRes - 1);
- MmioWrite32 (HDLCD_REG_H_FRONT_PORCH, HFrontPorch);
+ MmioWrite32 (HDLCD_REG_H_SYNC, Horizontal->Sync);
+ MmioWrite32 (HDLCD_REG_H_BACK_PORCH, Horizontal->BackPorch);
+ MmioWrite32 (HDLCD_REG_H_DATA, Horizontal->Resolution - 1);
+ MmioWrite32 (HDLCD_REG_H_FRONT_PORCH, Horizontal->FrontPorch);
// Enable the controller
MmioWrite32 (HDLCD_REG_COMMAND, HDLCD_ENABLE);
|