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Enable FIFO stage for the LCD engine's memory access
author
Thomas White
<taw@bitwiz.org.uk>
Sun, 15 Nov 2009 01:02:31 +0000
(
02:02
+0100)
committer
Thomas White
<taw@bitwiz.org.uk>
Sun, 15 Nov 2009 13:25:26 +0000
(14:25 +0100)
By avoiding conflicts of memory access inside Glamo, this doubles the
speed of internal memory access.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
drivers/mfd/glamo/glamo-display.c
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diff --git
a/drivers/mfd/glamo/glamo-display.c
b/drivers/mfd/glamo/glamo-display.c
index
f3bab3a
..
8c9ece4
100644
(file)
--- a/
drivers/mfd/glamo/glamo-display.c
+++ b/
drivers/mfd/glamo/glamo-display.c
@@
-391,7
+391,7
@@
static void glamo_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
addr = GLAMO_OFFSET_FB + gobj->block->start;
addr_low = addr & 0xffff;
- addr_high = (
addr >> 16) & 0x7f
;
+ addr_high = (
(addr >> 16) & 0x7f) | 0x4000
;
glamo_lcd_cmd_mode(gdrm, 1);
reg_write_lcd(gdrm, GLAMO_REG_LCD_A_BASE1, addr_low);