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authorLinus Torvalds <torvalds@linux-foundation.org>2012-12-15 16:03:48 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-15 16:03:48 -0500
commit2b8318881ddbcb67c5e8d2178b42284749442222 (patch)
treeb43ded0118bb7a6d9f89f6875c18d7ef447ba3be /Documentation/arm
parente81d372ff9f694e13fa46e8b5aaed505c7fd2a1f (diff)
parente7f5c9a16ea2648a3e85af8e34191026bf3dcb62 (diff)
Merge tag 'fbdev-for-3.8' of git://gitorious.org/linux-omap-dss2/linux
Pull fbdev changes from Tomi Valkeinen: "OMAPDSS changes, including: - use dynanic debug prints - OMAP platform dependency removals - Creation of compat-layer, helping us to improve omapdrm - Misc cleanups, aiming to make omadss more in line with the upcoming common display framework Exynos DP changes for the 3.8 merge window: - Device Tree support for Samsung Exynos DP - SW Link training is cleaned up. - HPD interrupt is supported. Samsung Framebuffer changes for the 3.8 merge window: - The bit definitions of header file are updated. - Some minor typos are fixed. - Some minor bugs of s3c_fb_check_var() are fixed. FB related changes for SH Mobile, Freescale DIU Add support for the Solomon SSD1307 OLED Controller" * tag 'fbdev-for-3.8' of git://gitorious.org/linux-omap-dss2/linux: (191 commits) OMAPDSS: fix TV-out issue with DSI PLL Revert "OMAPFB: simplify locking" OMAPFB: remove silly loop in fb2display() OMAPFB: fix error handling in omapfb_find_best_mode() OMAPFB: use devm_kzalloc to allocate omapfb2_device OMAPDSS: DISPC: remove dispc fck uses OMAPDSS: DISPC: get dss clock rate from dss driver drivers/video/console/softcursor.c: remove redundant NULL check before kfree() drivers/video: add support for the Solomon SSD1307 OLED Controller OMAPDSS: use omapdss_compat_init() in other drivers OMAPDSS: export dispc functions OMAPDSS: export dss_feat functions OMAPDSS: export dss_mgr_ops functions OMAPDSS: separate compat files in the Makefile OMAPDSS: move display sysfs init to compat layer OMAPDSS: DPI: use dispc's check_timings OMAPDSS: DISPC: add dispc_ovl_check() OMAPDSS: move irq handling to dispc-compat OMAPDSS: move omap_dispc_wait_for_irq_interruptible_timeout to dispc-compat.c OMAPDSS: move blocking mgr enable/disable to compat layer ... Conflicts: arch/arm/mach-davinci/devices-da8xx.c arch/arm/plat-omap/common.c drivers/media/platform/omap/omap_vout.c
Diffstat (limited to 'Documentation/arm')
-rw-r--r--Documentation/arm/OMAP/DSS10
1 files changed, 4 insertions, 6 deletions
diff --git a/Documentation/arm/OMAP/DSS b/Documentation/arm/OMAP/DSS
index a564ceea9e98..4484e021290e 100644
--- a/Documentation/arm/OMAP/DSS
+++ b/Documentation/arm/OMAP/DSS
@@ -285,7 +285,10 @@ FB0 +-- GFX ---- LCD ---- LCD
285Misc notes 285Misc notes
286---------- 286----------
287 287
288OMAP FB allocates the framebuffer memory using the OMAP VRAM allocator. 288OMAP FB allocates the framebuffer memory using the standard dma allocator. You
289can enable Contiguous Memory Allocator (CONFIG_CMA) to improve the dma
290allocator, and if CMA is enabled, you use "cma=" kernel parameter to increase
291the global memory area for CMA.
289 292
290Using DSI DPLL to generate pixel clock it is possible produce the pixel clock 293Using DSI DPLL to generate pixel clock it is possible produce the pixel clock
291of 86.5MHz (max possible), and with that you get 1280x1024@57 output from DVI. 294of 86.5MHz (max possible), and with that you get 1280x1024@57 output from DVI.
@@ -301,11 +304,6 @@ framebuffer parameters.
301Kernel boot arguments 304Kernel boot arguments
302--------------------- 305---------------------
303 306
304vram=<size>[,<physaddr>]
305 - Amount of total VRAM to preallocate and optionally a physical start
306 memory address. For example, "10M". omapfb allocates memory for
307 framebuffers from VRAM.
308
309omapfb.mode=<display>:<mode>[,...] 307omapfb.mode=<display>:<mode>[,...]
310 - Default video mode for specified displays. For example, 308 - Default video mode for specified displays. For example,
311 "dvi:800x400MR-24@60". See drivers/video/modedb.c. 309 "dvi:800x400MR-24@60". See drivers/video/modedb.c.