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viafb: Determine type of 2D engine and store it in chip_info 

This will help us for the upcoming support for 2D acceleration using
the M1 engine.

[jc: fixed merge conflicts]
Signed-off-by: Harald Welte <HaraldWelte@viatech.com>
hifive-unleashed-5.1
Harald Welte 2009-05-20 01:36:03 +08:00 committed by Jonathan Corbet
parent f1b99aa9db
commit 107ea34db4
2 changed files with 23 additions and 0 deletions
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8
drivers/video/via/chip.h
View File

@ -121,9 +121,17 @@ struct lvds_chip_information {
int i2c_port;
};
/* The type of 2D engine */
enum via_2d_engine {
VIA_2D_ENG_H2,
VIA_2D_ENG_H5,
VIA_2D_ENG_M1,
};
struct chip_information {
int gfx_chip_name;
int gfx_chip_revision;
enum via_2d_engine twod_engine;
struct tmds_chip_information tmds_chip_info;
struct lvds_chip_information lvds_chip_info;
struct lvds_chip_information lvds_chip_info2;

15
drivers/video/via/hw.c
View File

@ -2016,6 +2016,21 @@ static void init_gfx_chip_info(struct pci_dev *pdev,
CX700_REVISION_700;
}
}
/* Determine which 2D engine we have */
switch (viaparinfo->chip_info->gfx_chip_name) {
case UNICHROME_VX800:
case UNICHROME_VX855:
viaparinfo->chip_info->twod_engine = VIA_2D_ENG_M1;
break;
case UNICHROME_K8M890:
case UNICHROME_P4M900:
viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H5;
break;
default:
viaparinfo->chip_info->twod_engine = VIA_2D_ENG_H2;
break;
}
}
static void init_tmds_chip_info(void)