Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9520
-gerrit
commit 944bfdb6b5232c609e051228a49d6b5330e6f520 Author: Jimmy Zhang jimmzhang@nvidia.com Date: Fri Nov 14 20:44:40 2014 -0800
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 --- src/soc/nvidia/tegra132/chip.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/src/soc/nvidia/tegra132/chip.h b/src/soc/nvidia/tegra132/chip.h index 35e72d5..2468870 100644 --- a/src/soc/nvidia/tegra132/chip.h +++ b/src/soc/nvidia/tegra132/chip.h @@ -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