diff options
| author | Martin Peres <martin.peres@labri.fr> | 2012-09-18 17:07:21 +0200 |
|---|---|---|
| committer | Stéphane Marchesin <marcheu@chromium.org> | 2012-10-08 15:30:34 -0700 |
| commit | 0df6be6d6342243d4acba554f65b2d209819c299 (patch) | |
| tree | c497d757bed5a960cbbd393d3ecb9a0e56b71c12 | |
| parent | 00cfc4dd5713029b11b5ffd82ed4273f1dd51288 (diff) | |
improve on the modesetting section
| -rw-r--r-- | crtc-encoder-connector.dot (renamed from output.dot) | 0 | ||||
| -rw-r--r-- | linuxgraphicsdrivers.lyx | 40 |
2 files changed, 35 insertions, 5 deletions
diff --git a/output.dot b/crtc-encoder-connector.dot index c95cd35..c95cd35 100644 --- a/output.dot +++ b/crtc-encoder-connector.dot diff --git a/linuxgraphicsdrivers.lyx b/linuxgraphicsdrivers.lyx index 054bc7a..19795d1 100644 --- a/linuxgraphicsdrivers.lyx +++ b/linuxgraphicsdrivers.lyx @@ -5822,7 +5822,13 @@ Crtc \lang english Crtc is in charge of reading the framebuffer memory and routes the data - to an encoder + to an encoder. + A CRTC can usually be connected to any encoder. + The number of connectable screens is usually limited by the number of CRTCs. + Most cards used to be limited to 2 CRTCs but AMD introduced eyefinity in + 2010 which increased their CRTC count to 6. + NVidia bumped the number of CRTC from 2 to 4 on Kepler. + Matrox is also known for being able to drive up to 12 screens. \end_layout \begin_layout Subsubsection* @@ -5834,7 +5840,7 @@ Encoder \begin_layout Standard \lang english -Encoder encodes the pixel data for a connector +Encoder encodes the pixel data for a connector. \end_layout \begin_layout Subsubsection* @@ -5846,7 +5852,8 @@ Connector \begin_layout Standard \lang english -The connector is the name physical output on the card (DVI, Dsub, Svideo...). +The connector is name given to the physical output on the card (DVI, Dsub, + Svideo...). Notice that connectors can get their data from multiple encoders (for example DVI-I which can feed both analog and digital signals) \end_layout @@ -5861,13 +5868,36 @@ Also, on embedded or old hardware, it is common to have encoders and connectors \begin_layout Standard \lang english -\begin_inset Note Note +\begin_inset Float figure +placement H +wide false +sideways false status open \begin_layout Plain Layout +\align center +\begin_inset Graphics + filename output.dot + +\end_inset + + +\end_layout + +\begin_layout Plain Layout + +\lang english +\begin_inset Caption + +\begin_layout Plain Layout \lang english -Here add a crtc-encoder-connector figure +CRTC - Encoder - Connector representation +\end_layout + +\end_inset + + \end_layout \end_inset |