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- From 633531cdbaa3ed70a364db78fd7f8ae11da3e394 Mon Sep 17 00:00:00 2001
- From: Wang Huan <[email protected]>
- Date: Wed, 14 Sep 2011 17:40:41 +0800
- Subject: [PATCH] Fix LCD framebuffer driver data swap bug for MCF54418
- This patch fixed LCD framebuffer driver data swap bug
- for MCF54418.
- Signed-off-by: Alison Wang <[email protected]>
- ---
- drivers/video/fsl-ssd1289-fb.c | 13 ++++++++++---
- 1 files changed, 10 insertions(+), 3 deletions(-)
- --- a/drivers/video/fsl-ssd1289-fb.c
- +++ b/drivers/video/fsl-ssd1289-fb.c
- @@ -54,8 +54,10 @@ static int ssd1289_spi_writeblock(struct
- for (i = 0; i < SPI_LCD_BLOCK_SIZE; i++) {
- if (i % 2 == 0)
- spi_block_buffer[i] = 0x01;
- - else if (flag == 1)
- - spi_block_buffer[i] = *(daddr + (i >> 1));
- + else if ((flag == 1) && (i % 4 == 1))
- + spi_block_buffer[i] = *(daddr + (i >> 1) + 1);
- + else if ((flag == 1) && (i % 4 == 3))
- + spi_block_buffer[i] = *(daddr + (i >> 1) - 1);
- else if (flag == 0)
- spi_block_buffer[i] = 0;
- }
- @@ -331,6 +333,9 @@ static int ssd1289fbd(void *arg)
- int i;
- unsigned short *buf_p;
- struct fsl_ssd1289_fb_info *fbinfo = info->par;
- +#if defined(CONFIG_SSD1289_FLEXBUS_MODE)
- + unsigned short tmp;
- +#endif
- #if defined(CONFIG_SSD1289_SPI_MODE)
- unsigned char *bufspi_p;
- int count;
- @@ -344,7 +349,9 @@ static int ssd1289fbd(void *arg)
-
- #if defined(CONFIG_SSD1289_FLEXBUS_MODE)
- for (i = 0; i < info->screen_size; i += 2) {
- - ssd1289_write(info, *buf_p, 1);
- + tmp = ((((*buf_p) & 0x00ff) << 8) |
- + (((*buf_p) & 0xff00) >> 8));
- + ssd1289_write(info, tmp, 1);
- buf_p++;
- }
- #elif defined(CONFIG_SSD1289_SPI_MODE)
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