diff options
| -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 |