OMAPFB: use dma_alloc_attrs to allocate memory

[pandora-kernel.git] / Documentation / arm / OMAP / DSS

diff --git a/Documentation/arm/OMAP/DSS b/Documentation/arm/OMAP/DSS
index 13aa38a..c3f3d25 100644 (file)
--- a/Documentation/arm/OMAP/DSS
+++ b/Documentation/arm/OMAP/DSS
@@ -240,7 +240,10 @@ FB0 +-- GFX  ---- LCD ---- LCD
 Misc notes
 ----------
 
-OMAP FB allocates the framebuffer memory using the OMAP VRAM allocator.
+OMAP FB allocates the framebuffer memory using the standard dma allocator. You
+can enable Contiguous Memory Allocator (CONFIG_CMA) to improve the dma
+allocator, and if CMA is enabled, you use "cma=" kernel parameter to increase
+the global memory area for CMA.
 
 Using DSI DPLL to generate pixel clock it is possible produce the pixel clock
 of 86.5MHz (max possible), and with that you get 1280x1024@57 output from DVI.
@@ -256,11 +259,6 @@ framebuffer parameters.
 Kernel boot arguments
 ---------------------
 
-vram=<size>[,<physaddr>]
-       - Amount of total VRAM to preallocate and optionally a physical start
-         memory address. For example, "10M". omapfb allocates memory for
-         framebuffers from VRAM.
-
 omapfb.mode=<display>:<mode>[,...]
        - Default video mode for specified displays. For example,
          "dvi:800x400MR-24@60".  See drivers/video/modedb.c.