[U-Boot] [PATCH] MIMC200: reduce LCD pixclock

[Resent to add CC u-boot@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,

Mark Jackson wrote:
[Resent to add CC u-boot@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
participants (2)
-
Anatolij Gustschin
-
Mark Jackson