diff options
-rw-r--r-- | man/radeon.man | 80 |
1 files changed, 53 insertions, 27 deletions
diff --git a/man/radeon.man b/man/radeon.man index 3d5a3267..ede41b9e 100644 --- a/man/radeon.man +++ b/man/radeon.man @@ -189,7 +189,7 @@ driver. .PP The driver auto\-detects all device information necessary to initialize the card. However, if you have problems with auto\-detection, you can -specify: +specify for UMS (Userspace Modesetting): .PP .RS 4 VideoRam \- in kilobytes @@ -203,7 +203,7 @@ ChipID \- PCI DEVICE ID .PP In addition, the following driver .B Options -are supported: +are supported for both UMS (Userspace Modesetting) and KMS (Kernel Modesetting): .TP .BI "Option \*qSWcursor\*q \*q" boolean \*q Selects software cursor. The default is @@ -216,6 +216,57 @@ The default is to .B enable hardware acceleration. .TP +.BI "Option \*qZaphodHeads\*q \*q" string \*q +Specify the RandR output(s) to use with zaphod mode for a particular driver +instance. If you use this option you most use this option for all instances +of the driver. +.br +For example: +.B +Option \*qZaphodHeads\*q \*qLVDS,VGA-0\*q +will assign xrandr outputs LVDS and VGA-0 to this instance of the driver. +.TP +.BI "Option \*qEXAVSync\*q \*q" boolean \*q +This option attempts to avoid tearing by stalling the engine until the display +controller has passed the destination region. It reduces tearing at the cost +of performance and has been known to cause instability on some chips. +The default is +.B off. + +.PP +The following driver +.B Options +are supported for +.B KMS +(Kernel Modesetting): +.TP +.BI "Option \*qColorTiling\*q \*q" "boolean" \*q +The framebuffer can be addressed either in linear or tiled mode. Tiled mode can provide +significant performance benefits with 3D applications. Tiling will be disabled if the drm +module is too old or if the current display configuration does not support it. KMS +ColorTiling is not currently supported on R/RV/RS1XX, R/RV/RS2XX, and RS3XX. +.br +The default value is +.B on +for R/RV3XX, R/RV4XX, R/RV5XX, RS6XX, RS740 and +.B off +for R/RV6XX, R/RV7XX, RS780, RS880, and EVERGREEN. +.TP +.BI "Option \*qEXAPixmaps\*q \*q" boolean \*q +Under KMS, to avoid thrashing pixmaps in/out of VRAM on low memory cards, +we use a heuristic based on VRAM amount to determine whether to allow EXA +to use VRAM for non-essential pixmaps. This option allows us to override the +heuristic. The default is +.B on +with > 32MB VRAM, off with < 32MB. + +.PP +The following driver +.B Options +are supported for +.B UMS +(Userspace Modesetting): +.TP .BI "Option \*qDac6Bit\*q \*q" boolean \*q Enables or disables the use of 6 bits per color component when in 8 bpp mode (emulates VGA mode). By default, all 8 bits per color component @@ -607,13 +658,6 @@ False if you are experiencing a hang when initializing a secondary card. The default is .B on. .TP -.BI "Option \*qEXAVSync\*q \*q" boolean \*q -This option attempts to avoid tearing by stalling the engine until the display -controller has passed the destination region. It reduces tearing at the cost -of performance and has been known to cause instability on some chips. -The default is -.B off. -.TP .BI "Option \*qATOMTvOut\*q \*q" boolean \*q This option enables experimental TV-out support for R/RV5xx, R/RV6xx, and R/RV7xx AtomBIOS chips. TV-out is experimental and may not function on these chips as @@ -625,24 +669,6 @@ The default is This option enables modesetting on R/RV4xx chips using AtomBIOS. The default is .B off. -.TP -.BI "Option \*qEXAPixmaps\*q \*q" boolean \*q -(KMS Only) Under kernel modesetting, to avoid thrashing pixmaps in/out -of VRAM on low memory cards, we use a heuristic based on VRAM amount -to determine whether to allow EXA to use VRAM for non-essential pixmaps. -This option allows us to override the heuristic. -The default is -.B on with > 32MB VRAM, off with < 32MB. -.TP -.BI "Option \*qZaphodHeads\*q \*q" string \*q -Specify the RandR output(s) to use with zaphod mode for a particular driver -instance. If you use this option you most use this option for all instances -of the driver. -.br -For example: -.B -Option \*qZaphodHeads\*q \*qLVDS,VGA-0\*q -will assign xrandr outputs LVDS and VGA-0 to this instance of the driver. .SH TEXTURED VIDEO ATTRIBUTES The driver supports the following X11 Xv attributes for Textured Video. |