diff options
Diffstat (limited to 'drivers/video/console/vgacon.c')
| -rw-r--r-- | drivers/video/console/vgacon.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 915fd74da7a2..d449a74d4a31 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -50,7 +50,7 @@ #include <video/vga.h> #include <asm/io.h> -static DEFINE_SPINLOCK(vga_lock); +static DEFINE_RAW_SPINLOCK(vga_lock); static int cursor_size_lastfrom; static int cursor_size_lastto; static u32 vgacon_xres; @@ -157,7 +157,7 @@ static inline void write_vga(unsigned char reg, unsigned int val) * ddprintk might set the console position from interrupt * handlers, thus the write has to be IRQ-atomic. */ - spin_lock_irqsave(&vga_lock, flags); + raw_spin_lock_irqsave(&vga_lock, flags); #ifndef SLOW_VGA v1 = reg + (val & 0xff00); @@ -170,7 +170,7 @@ static inline void write_vga(unsigned char reg, unsigned int val) outb_p(reg + 1, vga_video_port_reg); outb_p(val & 0xff, vga_video_port_val); #endif - spin_unlock_irqrestore(&vga_lock, flags); + raw_spin_unlock_irqrestore(&vga_lock, flags); } static inline void vga_set_mem_top(struct vc_data *c) @@ -664,7 +664,7 @@ static void vgacon_set_cursor_size(int xpos, int from, int to) cursor_size_lastfrom = from; cursor_size_lastto = to; - spin_lock_irqsave(&vga_lock, flags); + raw_spin_lock_irqsave(&vga_lock, flags); if (vga_video_type >= VIDEO_TYPE_VGAC) { outb_p(VGA_CRTC_CURSOR_START, vga_video_port_reg); curs = inb_p(vga_video_port_val); @@ -682,7 +682,7 @@ static void vgacon_set_cursor_size(int xpos, int from, int to) outb_p(curs, vga_video_port_val); outb_p(VGA_CRTC_CURSOR_END, vga_video_port_reg); outb_p(cure, vga_video_port_val); - spin_unlock_irqrestore(&vga_lock, flags); + raw_spin_unlock_irqrestore(&vga_lock, flags); } static void vgacon_cursor(struct vc_data *c, int mode) @@ -757,7 +757,7 @@ static int vgacon_doresize(struct vc_data *c, unsigned int scanlines = height * c->vc_font.height; u8 scanlines_lo = 0, r7 = 0, vsync_end = 0, mode, max_scan; - spin_lock_irqsave(&vga_lock, flags); + raw_spin_lock_irqsave(&vga_lock, flags); vgacon_xres = width * VGA_FONTWIDTH; vgacon_yres = height * c->vc_font.height; @@ -808,7 +808,7 @@ static int vgacon_doresize(struct vc_data *c, outb_p(vsync_end, vga_video_port_val); } - spin_unlock_irqrestore(&vga_lock, flags); + raw_spin_unlock_irqrestore(&vga_lock, flags); return 0; } @@ -891,11 +891,11 @@ static void vga_vesa_blank(struct vgastate *state, int mode) { /* save original values of VGA controller registers */ if (!vga_vesa_blanked) { - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); vga_state.SeqCtrlIndex = vga_r(state->vgabase, VGA_SEQ_I); vga_state.CrtCtrlIndex = inb_p(vga_video_port_reg); vga_state.CrtMiscIO = vga_r(state->vgabase, VGA_MIS_R); - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); outb_p(0x00, vga_video_port_reg); /* HorizontalTotal */ vga_state.HorizontalTotal = inb_p(vga_video_port_val); @@ -918,7 +918,7 @@ static void vga_vesa_blank(struct vgastate *state, int mode) /* assure that video is enabled */ /* "0x20" is VIDEO_ENABLE_bit in register 01 of sequencer */ - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); vga_wseq(state->vgabase, VGA_SEQ_CLOCK_MODE, vga_state.ClockingMode | 0x20); /* test for vertical retrace in process.... */ @@ -954,13 +954,13 @@ static void vga_vesa_blank(struct vgastate *state, int mode) /* restore both index registers */ vga_w(state->vgabase, VGA_SEQ_I, vga_state.SeqCtrlIndex); outb_p(vga_state.CrtCtrlIndex, vga_video_port_reg); - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); } static void vga_vesa_unblank(struct vgastate *state) { /* restore original values of VGA controller registers */ - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); vga_w(state->vgabase, VGA_MIS_W, vga_state.CrtMiscIO); outb_p(0x00, vga_video_port_reg); /* HorizontalTotal */ @@ -985,7 +985,7 @@ static void vga_vesa_unblank(struct vgastate *state) /* restore index/control registers */ vga_w(state->vgabase, VGA_SEQ_I, vga_state.SeqCtrlIndex); outb_p(vga_state.CrtCtrlIndex, vga_video_port_reg); - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); } static void vga_pal_blank(struct vgastate *state) @@ -1104,7 +1104,7 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512) charmap += 4 * cmapsz; #endif - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); /* First, the Sequencer */ vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x1); /* CPU writes only to map 2 */ @@ -1120,7 +1120,7 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512) vga_wgfx(state->vgabase, VGA_GFX_MODE, 0x00); /* map start at A000:0000 */ vga_wgfx(state->vgabase, VGA_GFX_MISC, 0x00); - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); if (arg) { if (set) @@ -1147,7 +1147,7 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512) } } - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); /* First, the sequencer, Synchronous reset */ vga_wseq(state->vgabase, VGA_SEQ_RESET, 0x01); /* CPU writes to maps 0 and 1 */ @@ -1186,7 +1186,7 @@ static int vgacon_do_font_op(struct vgastate *state,char *arg,int set,int ch512) inb_p(video_port_status); vga_wattr(state->vgabase, VGA_AR_ENABLE_DISPLAY, 0); } - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); return 0; } @@ -1211,26 +1211,26 @@ static int vgacon_adjust_height(struct vc_data *vc, unsigned fontheight) registers; they are write-only on EGA, but it appears that they are all don't care bits on EGA, so I guess it doesn't matter. */ - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); outb_p(0x07, vga_video_port_reg); /* CRTC overflow register */ ovr = inb_p(vga_video_port_val); outb_p(0x09, vga_video_port_reg); /* Font size register */ fsr = inb_p(vga_video_port_val); - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); vde = maxscan & 0xff; /* Vertical display end reg */ ovr = (ovr & 0xbd) + /* Overflow register */ ((maxscan & 0x100) >> 7) + ((maxscan & 0x200) >> 3); fsr = (fsr & 0xe0) + (fontheight - 1); /* Font size register */ - spin_lock_irq(&vga_lock); + raw_spin_lock_irq(&vga_lock); outb_p(0x07, vga_video_port_reg); /* CRTC overflow register */ outb_p(ovr, vga_video_port_val); outb_p(0x09, vga_video_port_reg); /* Font size */ outb_p(fsr, vga_video_port_val); outb_p(0x12, vga_video_port_reg); /* Vertical display limit */ outb_p(vde, vga_video_port_val); - spin_unlock_irq(&vga_lock); + raw_spin_unlock_irq(&vga_lock); vga_video_font_height = fontheight; for (i = 0; i < MAX_NR_CONSOLES; i++) { |