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video: fsl_dcu_fb: fix framebuffer to the end of memory

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Fix the framebuffer location to the very end of the available memory.
This allows to remove the area from available memory for the kernel,
which in turn allows to display the splash screen through the Linux
kernel boot process.

Ideas has been taken from the sunxi display driver, e.g.
20779ec3a5 ("sunxi: video: Dynamically reserve framebuffer memory")

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
This commit is contained in:
Stefan Agner
2017-04-11 11:12:10 +05:30
committed by Anatolij Gustschin
parent b215fb3f34
commit 77810e638e
3 changed files with 51 additions and 3 deletions
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include/fsl_dcu_fb.h
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@@ -9,6 +9,7 @@
int fsl_dcu_init(unsigned int xres, unsigned int yres,
unsigned int pixel_format);
int fsl_dcu_fixedfb_setup(void *blob);
/* Prototypes for external board-specific functions */
int platform_dcu_init(unsigned int xres, unsigned int yres,