* [U-Boot] [PATCH] MIMC200: reduce LCD pixclock
@ 2009-08-11 10:33 Mark Jackson
2009-08-11 12:02 ` Anatolij Gustschin
0 siblings, 1 reply; 2+ messages in thread
From: Mark Jackson @ 2009-08-11 10:33 UTC (permalink / raw)
To: u-boot
[Resent to add CC u-boot at lists.denx.de]
The initial pixclock for the MIMC200 board is wrong (and causes
screen corruption due to DMA underruns).
This patch simply reduces the pixel clock to fix the problem.
Signed-off-by: Mark Jackson <mpfj@mimc.co.uk>
---
board/mimc/mimc200/mimc200.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/board/mimc/mimc200/mimc200.c b/board/mimc/mimc200/mimc200.c
index b773c1a..0dcacb9 100644
--- a/board/mimc/mimc200/mimc200.c
+++ b/board/mimc/mimc200/mimc200.c
@@ -38,7 +38,7 @@
vidinfo_t panel_info = {
.vl_col = 480, /* Number of columns */
.vl_row = 272, /* Number of rows */
- .vl_clk = 10000000, /* pixel clock in ps */
+ .vl_clk = 5000000, /* pixel clock in ps */
.vl_sync = ATMEL_LCDC_INVCLK_INVERTED |
ATMEL_LCDC_INVLINE_INVERTED |
ATMEL_LCDC_INVFRAME_INVERTED,
^ permalink raw reply related [flat|nested] 2+ messages in thread* [U-Boot] [PATCH] MIMC200: reduce LCD pixclock
2009-08-11 10:33 [U-Boot] [PATCH] MIMC200: reduce LCD pixclock Mark Jackson
@ 2009-08-11 12:02 ` Anatolij Gustschin
0 siblings, 0 replies; 2+ messages in thread
From: Anatolij Gustschin @ 2009-08-11 12:02 UTC (permalink / raw)
To: u-boot
Mark Jackson wrote:
> [Resent to add CC u-boot at lists.denx.de]
>
> The initial pixclock for the MIMC200 board is wrong (and causes
> screen corruption due to DMA underruns).
>
> This patch simply reduces the pixel clock to fix the problem.
>
> Signed-off-by: Mark Jackson <mpfj@mimc.co.uk>
> ---
> board/mimc/mimc200/mimc200.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
Applied to u-boot-video/master
Thanks,
Anatolij
^ permalink raw reply [flat|nested] 2+ messages in thread
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2009-08-11 10:33 [U-Boot] [PATCH] MIMC200: reduce LCD pixclock Mark Jackson
2009-08-11 12:02 ` Anatolij Gustschin
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