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video: tegra: Update line length to match resolution

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Instead of storing the computed line length in a local variable, store
it in the global lcd_line_length variable to make sure the LCD subsystem
can properly draw content for the display resolution.

This probably wasn't noticed yet because the only board where LCD
support is currently enabled is Seaboard, which runs at a 1366x768
resolution. As it happens this is the maximum resolution supported and
also the default that is used to initialize the framebuffer before the
configuration from DT is available.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Thierry Reding 2012-11-23 00:58:49 +00:00 • committed by Tom Warren
parent 3a9d879f6f
commit 0c5587549b
1 changed files with 2 additions and 2 deletions
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4
drivers/video/tegra.c
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@ -145,8 +145,8 @@ static void update_panel_size(struct fdt_disp_config *config)
void lcd_ctrl_init(void *lcdbase)
{
int line_length, size;
int type = DCACHE_OFF;
int size;
assert(disp_config);
@ -160,7 +160,7 @@ void lcd_ctrl_init(void *lcdbase)
&& disp_config->height <= LCD_MAX_HEIGHT
&& disp_config->log2_bpp <= LCD_MAX_LOG2_BPP)
update_panel_size(disp_config);
size = lcd_get_size(&line_length);
size = lcd_get_size(&lcd_line_length);
/* Set up the LCD caching as requested */
if (config.cache_type & FDT_LCD_CACHE_WRITE_THROUGH)