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| author | Lukas Wunner <lukas@wunner.de> | 2015-08-28 14:30:32 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-10-16 16:50:56 +0300 |
| commit | 21c5ba8c1ee02f204e556c26703cebaf9c4019e0 (patch) | |
| tree | 7962da9adc13813fd2ffdbedfffe5e5f30bc597a /include/linux/vga_switcheroo.h | |
| parent | 203d027de4d7068c607b60d4310a1599dec8839f (diff) | |
| download | linux-21c5ba8c1ee02f204e556c26703cebaf9c4019e0.tar.xz | |
vga_switcheroo: Use VGA_SWITCHEROO_UNKNOWN_ID instead of -1
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/linux/vga_switcheroo.h')
| -rw-r--r-- | include/linux/vga_switcheroo.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h index e63661757505..88909a865b72 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h @@ -59,6 +59,9 @@ enum vga_switcheroo_state { /** * enum vga_switcheroo_client_id - client identifier + * @VGA_SWITCHEROO_UNKNOWN_ID: initial identifier assigned to vga clients. + * Determining the id requires the handler, so GPUs are given their + * true id in a delayed fashion in vga_switcheroo_enable() * @VGA_SWITCHEROO_IGD: integrated graphics device * @VGA_SWITCHEROO_DIS: discrete graphics device * @VGA_SWITCHEROO_MAX_CLIENTS: currently no more than two GPUs are supported @@ -66,6 +69,7 @@ enum vga_switcheroo_state { * Client identifier. Audio clients use the same identifier & 0x100. */ enum vga_switcheroo_client_id { + VGA_SWITCHEROO_UNKNOWN_ID = -1, VGA_SWITCHEROO_IGD, VGA_SWITCHEROO_DIS, VGA_SWITCHEROO_MAX_CLIENTS, |