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50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
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From 633531cdbaa3ed70a364db78fd7f8ae11da3e394 Mon Sep 17 00:00:00 2001
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From: Wang Huan <wanghuan@zch06.freescale.net>
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Date: Wed, 14 Sep 2011 17:40:41 +0800
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Subject: [PATCH] Fix LCD framebuffer driver data swap bug for MCF54418
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This patch fixed LCD framebuffer driver data swap bug
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for MCF54418.
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Signed-off-by: Alison Wang <b18965@freescale.com>
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---
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drivers/video/fsl-ssd1289-fb.c | 13 ++++++++++---
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1 files changed, 10 insertions(+), 3 deletions(-)
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--- a/drivers/video/fsl-ssd1289-fb.c
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+++ b/drivers/video/fsl-ssd1289-fb.c
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@@ -54,8 +54,10 @@ static int ssd1289_spi_writeblock(struct
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for (i = 0; i < SPI_LCD_BLOCK_SIZE; i++) {
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if (i % 2 == 0)
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spi_block_buffer[i] = 0x01;
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- else if (flag == 1)
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- spi_block_buffer[i] = *(daddr + (i >> 1));
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+ else if ((flag == 1) && (i % 4 == 1))
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+ spi_block_buffer[i] = *(daddr + (i >> 1) + 1);
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+ else if ((flag == 1) && (i % 4 == 3))
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+ spi_block_buffer[i] = *(daddr + (i >> 1) - 1);
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else if (flag == 0)
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spi_block_buffer[i] = 0;
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}
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@@ -331,6 +333,9 @@ static int ssd1289fbd(void *arg)
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int i;
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unsigned short *buf_p;
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struct fsl_ssd1289_fb_info *fbinfo = info->par;
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+#if defined(CONFIG_SSD1289_FLEXBUS_MODE)
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+ unsigned short tmp;
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+#endif
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#if defined(CONFIG_SSD1289_SPI_MODE)
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unsigned char *bufspi_p;
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int count;
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@@ -344,7 +349,9 @@ static int ssd1289fbd(void *arg)
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#if defined(CONFIG_SSD1289_FLEXBUS_MODE)
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for (i = 0; i < info->screen_size; i += 2) {
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- ssd1289_write(info, *buf_p, 1);
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+ tmp = ((((*buf_p) & 0x00ff) << 8) |
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+ (((*buf_p) & 0xff00) >> 8));
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+ ssd1289_write(info, tmp, 1);
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buf_p++;
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}
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#elif defined(CONFIG_SSD1289_SPI_MODE)
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