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tegra132: Add framebuffer parameters 

Framebuffer line size and number of lines can have different
values than panel's resolution.

BRANCH=none
BUG=chrome-os-partner:31936
TEST=build and test on ryu

Change-Id: I228f1dd7fafc6577a8e8a987ff31ba73f7a655ed
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9a4929dc5831076f2f2a5dd2e13f24b3477e197b
Original-Change-Id: Iedeef796f02286bb03920413420f8952cf34334a
Original-Signed-off-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/229915
Original-Tested-by: Jimmy Zhang <jimmzhang@nvidia.com>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/9520
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Jimmy Zhang 2014-11-14 20:44:40 -08:00 committed by Patrick Georgi
parent 443bd00742
commit 2e87b28fb6
1 changed files with 11 additions and 1 deletions
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12
src/soc/nvidia/tegra132/chip.h
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@ -27,7 +27,8 @@ struct soc_nvidia_tegra132_config {
uintptr_t spintable_addr;
/*
* panel default specification
* panel resolution
* The two parameters below provides dc about panel spec.
*/
u32 xres; /* the width of H display active area */
u32 yres; /* the height of V display active area */
@ -45,6 +46,15 @@ struct soc_nvidia_tegra132_config {
*/
u32 framebuffer_size;
/*
* Framebuffer resolution
* The two parameters below provides dc about framebuffer's sdram size.
* When they are not the same as panel resolution, we need to program
* dc's DDA_INCREMENT and some other registers to resize dc output.
*/
u32 display_xres;
u32 display_yres;
int href_to_sync; /* HSYNC position with respect to line start */
int hsync_width; /* the width of HSYNC pulses */
int hback_porch; /* the distance between HSYNC trailing edge to