diff options
Diffstat (limited to 'src/dev/arm/hdlcd.cc')
| -rw-r--r-- | src/dev/arm/hdlcd.cc | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/src/dev/arm/hdlcd.cc b/src/dev/arm/hdlcd.cc index b1c1c450b..3fc30f16d 100644 --- a/src/dev/arm/hdlcd.cc +++ b/src/dev/arm/hdlcd.cc @@ -74,7 +74,8 @@ HDLcd::HDLcd(const Params *p) fillPixelBufferEvent(this), intEvent(this), dmaDoneEventAll(MAX_OUTSTANDING_DMA_REQ_CAPACITY, this), dmaDoneEventFree(MAX_OUTSTANDING_DMA_REQ_CAPACITY), - enableCapture(p->enable_capture) + enableCapture(p->enable_capture), + workaround_swap_rb(p->workaround_swap_rb) { pioSize = 0xFFFF; @@ -504,11 +505,24 @@ HDLcd::renderPixel() PixelConverter HDLcd::pixelConverter() const { - return PixelConverter( - bytesPerPixel(), - red_select.offset, green_select.offset, blue_select.offset, - red_select.size, green_select.size, blue_select.size, + ByteOrder byte_order( pixel_format.big_endian ? BigEndianByteOrder : LittleEndianByteOrder); + + /* Some Linux kernels have a broken driver that swaps the red and + * blue color select registers. */ + if (!workaround_swap_rb) { + return PixelConverter( + bytesPerPixel(), + red_select.offset, green_select.offset, blue_select.offset, + red_select.size, green_select.size, blue_select.size, + byte_order); + } else { + return PixelConverter( + bytesPerPixel(), + blue_select.offset, green_select.offset, red_select.offset, + blue_select.size, green_select.size, red_select.size, + byte_order); + } } void |