diff options
| author | Jimmy Zhang <jimmzhang@nvidia.com> | 2014-11-14 20:44:40 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-10 20:44:02 +0200 |
| commit | 2e87b28fb6e9ccca2d6bea868c00f50328e0df99 (patch) | |
| tree | e0a3975ab0fb5acbbfaa4561f39f25cb691ebac0 /src/soc | |
| parent | 443bd00742be1a640adcc41713ec0061fdb4b377 (diff) | |
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>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/nvidia/tegra132/chip.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/soc/nvidia/tegra132/chip.h b/src/soc/nvidia/tegra132/chip.h index 35e72d59e6..2468870569 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 |