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path: root/drivers/video/via/accel.c
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Diffstat (limited to 'drivers/video/via/accel.c')
-rw-r--r--drivers/video/via/accel.c43
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/video/via/accel.c b/drivers/video/via/accel.c
index c2f4e6e166f1..bc4905366726 100644
--- a/drivers/video/via/accel.c
+++ b/drivers/video/via/accel.c
@@ -315,13 +315,11 @@ static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height,
return 0;
}
-int viafb_init_engine(struct fb_info *info)
+int viafb_setup_engine(struct fb_info *info)
{
struct viafb_par *viapar = info->par;
void __iomem *engine;
- int highest_reg, i;
- u32 vq_start_addr, vq_end_addr, vq_start_low, vq_end_low, vq_high,
- vq_len, chip_name = viapar->shared->chip_info.gfx_chip_name;
+ u32 chip_name = viapar->shared->chip_info.gfx_chip_name;
engine = viapar->shared->vdev->engine_mmio;
if (!engine) {
@@ -330,18 +328,6 @@ int viafb_init_engine(struct fb_info *info)
return -ENOMEM;
}
- /* Initialize registers to reset the 2D engine */
- switch (viapar->shared->chip_info.twod_engine) {
- case VIA_2D_ENG_M1:
- highest_reg = 0x5c;
- break;
- default:
- highest_reg = 0x40;
- break;
- }
- for (i = 0; i <= highest_reg; i += 4)
- writel(0x0, engine + i);
-
switch (chip_name) {
case UNICHROME_CLE266:
case UNICHROME_K400:
@@ -387,6 +373,29 @@ int viafb_init_engine(struct fb_info *info)
viapar->shared->vdev->camera_fbmem_offset = viapar->fbmem_free;
#endif
+ viafb_reset_engine(viapar);
+ return 0;
+}
+
+void viafb_reset_engine(struct viafb_par *viapar)
+{
+ void __iomem *engine = viapar->shared->vdev->engine_mmio;
+ int highest_reg, i;
+ u32 vq_start_addr, vq_end_addr, vq_start_low, vq_end_low, vq_high,
+ vq_len, chip_name = viapar->shared->chip_info.gfx_chip_name;
+
+ /* Initialize registers to reset the 2D engine */
+ switch (viapar->shared->chip_info.twod_engine) {
+ case VIA_2D_ENG_M1:
+ highest_reg = 0x5c;
+ break;
+ default:
+ highest_reg = 0x40;
+ break;
+ }
+ for (i = 0; i <= highest_reg; i += 4)
+ writel(0x0, engine + i);
+
/* Init AGP and VQ regs */
switch (chip_name) {
case UNICHROME_K8M890:
@@ -474,7 +483,7 @@ int viafb_init_engine(struct fb_info *info)
writel(0x0, engine + VIA_REG_CURSOR_ORG);
writel(0x0, engine + VIA_REG_CURSOR_BG);
writel(0x0, engine + VIA_REG_CURSOR_FG);
- return 0;
+ return;
}
void viafb_show_hw_cursor(struct fb_info *info, int Status)
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