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authorLukas Wunner <lukas@wunner.de>2016-07-11 04:22:33 -0400
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-07-12 10:14:36 -0400
commitfb001dfd7e773d86b5dcd2050995a5fee301eab1 (patch)
tree8730c815bb497802bcc90a08e7e348cbf7b5c0e7 /drivers/gpu/vga
parent396f5d62d1a5fd99421855a08ffdef8edb43c76e (diff)
vga_switcheroo: Sphinxify docs
Fix up formatting glitches remaining after the automatic rst conversion. Cc: Jonathan Corbet <corbet@lwn.net> Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/3a369602ae35fdbf5e4a12f7e172088c89fa27bb.1468225027.git.lukas@wunner.de
Diffstat (limited to 'drivers/gpu/vga')
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index 2df216b39cc5..5f962bfcb43c 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -52,9 +52,9 @@
52 * 52 *
53 * * muxed: Dual GPUs with a multiplexer chip to switch outputs between GPUs. 53 * * muxed: Dual GPUs with a multiplexer chip to switch outputs between GPUs.
54 * * muxless: Dual GPUs but only one of them is connected to outputs. 54 * * muxless: Dual GPUs but only one of them is connected to outputs.
55 * The other one is merely used to offload rendering, its results 55 * The other one is merely used to offload rendering, its results
56 * are copied over PCIe into the framebuffer. On Linux this is 56 * are copied over PCIe into the framebuffer. On Linux this is
57 * supported with DRI PRIME. 57 * supported with DRI PRIME.
58 * 58 *
59 * Hybrid graphics started to appear in the late Naughties and were initially 59 * Hybrid graphics started to appear in the late Naughties and were initially
60 * all muxed. Newer laptops moved to a muxless architecture for cost reasons. 60 * all muxed. Newer laptops moved to a muxless architecture for cost reasons.
@@ -560,21 +560,21 @@ EXPORT_SYMBOL(vga_switcheroo_unlock_ddc);
560 * * OFF: Power off the device not in use. 560 * * OFF: Power off the device not in use.
561 * * ON: Power on the device not in use. 561 * * ON: Power on the device not in use.
562 * * IGD: Switch to the integrated graphics device. 562 * * IGD: Switch to the integrated graphics device.
563 * Power on the integrated GPU if necessary, power off the discrete GPU. 563 * Power on the integrated GPU if necessary, power off the discrete GPU.
564 * Prerequisite is that no user space processes (e.g. Xorg, alsactl) 564 * Prerequisite is that no user space processes (e.g. Xorg, alsactl)
565 * have opened device files of the GPUs or the audio client. If the 565 * have opened device files of the GPUs or the audio client. If the
566 * switch fails, the user may invoke lsof(8) or fuser(1) on /dev/dri/ 566 * switch fails, the user may invoke lsof(8) or fuser(1) on /dev/dri/
567 * and /dev/snd/controlC1 to identify processes blocking the switch. 567 * and /dev/snd/controlC1 to identify processes blocking the switch.
568 * * DIS: Switch to the discrete graphics device. 568 * * DIS: Switch to the discrete graphics device.
569 * * DIGD: Delayed switch to the integrated graphics device. 569 * * DIGD: Delayed switch to the integrated graphics device.
570 * This will perform the switch once the last user space process has 570 * This will perform the switch once the last user space process has
571 * closed the device files of the GPUs and the audio client. 571 * closed the device files of the GPUs and the audio client.
572 * * DDIS: Delayed switch to the discrete graphics device. 572 * * DDIS: Delayed switch to the discrete graphics device.
573 * * MIGD: Mux-only switch to the integrated graphics device. 573 * * MIGD: Mux-only switch to the integrated graphics device.
574 * Does not remap console or change the power state of either gpu. 574 * Does not remap console or change the power state of either gpu.
575 * If the integrated GPU is currently off, the screen will turn black. 575 * If the integrated GPU is currently off, the screen will turn black.
576 * If it is on, the screen will show whatever happens to be in VRAM. 576 * If it is on, the screen will show whatever happens to be in VRAM.
577 * Either way, the user has to blindly enter the command to switch back. 577 * Either way, the user has to blindly enter the command to switch back.
578 * * MDIS: Mux-only switch to the discrete graphics device. 578 * * MDIS: Mux-only switch to the discrete graphics device.
579 * 579 *
580 * For GPUs whose power state is controlled by the driver's runtime pm, 580 * For GPUs whose power state is controlled by the driver's runtime pm,