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-rw-r--r--drivers/video/aty/radeon_base.c118
-rw-r--r--drivers/video/fbcmap.c32
-rw-r--r--include/linux/fb.h3
3 files changed, 127 insertions, 26 deletions
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index e8eb124754b..ee25b9e8db6 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -1057,13 +1057,14 @@ static int radeonfb_blank (int blank, struct fb_info *info)
return radeon_screen_blank(rinfo, blank, 0);
}
-static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp, struct fb_info *info)
+static int radeon_setcolreg (unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct radeonfb_info *rinfo)
{
- struct radeonfb_info *rinfo = info->par;
u32 pindex;
unsigned int i;
-
+
+
if (regno > 255)
return 1;
@@ -1078,20 +1079,7 @@ static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
pindex = regno;
if (!rinfo->asleep) {
- u32 dac_cntl2, vclk_cntl = 0;
-
radeon_fifo_wait(9);
- if (rinfo->is_mobility) {
- vclk_cntl = INPLL(VCLK_ECP_CNTL);
- OUTPLL(VCLK_ECP_CNTL, vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
- }
-
- /* Make sure we are on first palette */
- if (rinfo->has_CRTC2) {
- dac_cntl2 = INREG(DAC_CNTL2);
- dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
- OUTREG(DAC_CNTL2, dac_cntl2);
- }
if (rinfo->bpp == 16) {
pindex = regno * 8;
@@ -1101,24 +1089,27 @@ static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
if (rinfo->depth == 15 && regno > 31)
return 1;
- /* For 565, the green component is mixed one order below */
+ /* For 565, the green component is mixed one order
+ * below
+ */
if (rinfo->depth == 16) {
OUTREG(PALETTE_INDEX, pindex>>1);
- OUTREG(PALETTE_DATA, (rinfo->palette[regno>>1].red << 16) |
- (green << 8) | (rinfo->palette[regno>>1].blue));
+ OUTREG(PALETTE_DATA,
+ (rinfo->palette[regno>>1].red << 16) |
+ (green << 8) |
+ (rinfo->palette[regno>>1].blue));
green = rinfo->palette[regno<<1].green;
}
}
if (rinfo->depth != 16 || regno < 32) {
OUTREG(PALETTE_INDEX, pindex);
- OUTREG(PALETTE_DATA, (red << 16) | (green << 8) | blue);
+ OUTREG(PALETTE_DATA, (red << 16) |
+ (green << 8) | blue);
}
- if (rinfo->is_mobility)
- OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
}
if (regno < 16) {
- u32 *pal = info->pseudo_palette;
+ u32 *pal = rinfo->info->pseudo_palette;
switch (rinfo->depth) {
case 15:
pal[regno] = (regno << 10) | (regno << 5) | regno;
@@ -1138,6 +1129,84 @@ static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
return 0;
}
+static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
+ unsigned blue, unsigned transp,
+ struct fb_info *info)
+{
+ struct radeonfb_info *rinfo = info->par;
+ u32 dac_cntl2, vclk_cntl = 0;
+ int rc;
+
+ if (!rinfo->asleep) {
+ if (rinfo->is_mobility) {
+ vclk_cntl = INPLL(VCLK_ECP_CNTL);
+ OUTPLL(VCLK_ECP_CNTL,
+ vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
+ }
+
+ /* Make sure we are on first palette */
+ if (rinfo->has_CRTC2) {
+ dac_cntl2 = INREG(DAC_CNTL2);
+ dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
+ OUTREG(DAC_CNTL2, dac_cntl2);
+ }
+ }
+
+ rc = radeon_setcolreg (regno, red, green, blue, transp, rinfo);
+
+ if (!rinfo->asleep && rinfo->is_mobility)
+ OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
+
+ return rc;
+}
+
+static int radeonfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
+{
+ struct radeonfb_info *rinfo = info->par;
+ u16 *red, *green, *blue, *transp;
+ u32 dac_cntl2, vclk_cntl = 0;
+ int i, start, rc = 0;
+
+ if (!rinfo->asleep) {
+ if (rinfo->is_mobility) {
+ vclk_cntl = INPLL(VCLK_ECP_CNTL);
+ OUTPLL(VCLK_ECP_CNTL,
+ vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
+ }
+
+ /* Make sure we are on first palette */
+ if (rinfo->has_CRTC2) {
+ dac_cntl2 = INREG(DAC_CNTL2);
+ dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
+ OUTREG(DAC_CNTL2, dac_cntl2);
+ }
+ }
+
+ red = cmap->red;
+ green = cmap->green;
+ blue = cmap->blue;
+ transp = cmap->transp;
+ start = cmap->start;
+
+ for (i = 0; i < cmap->len; i++) {
+ u_int hred, hgreen, hblue, htransp = 0xffff;
+
+ hred = *red++;
+ hgreen = *green++;
+ hblue = *blue++;
+ if (transp)
+ htransp = *transp++;
+ rc = radeon_setcolreg (start++, hred, hgreen, hblue, htransp,
+ rinfo);
+ if (rc)
+ break;
+ }
+
+ if (!rinfo->asleep && rinfo->is_mobility)
+ OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
+
+ return rc;
+}
static void radeon_save_state (struct radeonfb_info *rinfo,
struct radeon_regs *save)
@@ -1796,6 +1865,7 @@ static struct fb_ops radeonfb_ops = {
.fb_check_var = radeonfb_check_var,
.fb_set_par = radeonfb_set_par,
.fb_setcolreg = radeonfb_setcolreg,
+ .fb_setcmap = radeonfb_setcmap,
.fb_pan_display = radeonfb_pan_display,
.fb_blank = radeonfb_blank,
.fb_ioctl = radeonfb_ioctl,
diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
index c51f8fb5c1d..4e5ce8f7d65 100644
--- a/drivers/video/fbcmap.c
+++ b/drivers/video/fbcmap.c
@@ -222,8 +222,11 @@ int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *info)
transp = cmap->transp;
start = cmap->start;
- if (start < 0 || !info->fbops->fb_setcolreg)
+ if (start < 0 || (!info->fbops->fb_setcolreg &&
+ !info->fbops->fb_setcmap))
return -EINVAL;
+ if (info->fbops->fb_setcmap)
+ return info->fbops->fb_setcmap(cmap, info);
for (i = 0; i < cmap->len; i++) {
hred = *red++;
hgreen = *green++;
@@ -250,8 +253,33 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
transp = cmap->transp;
start = cmap->start;
- if (start < 0 || !info->fbops->fb_setcolreg)
+ if (start < 0 || (!info->fbops->fb_setcolreg &&
+ !info->fbops->fb_setcmap))
return -EINVAL;
+
+ /* If we can batch, do it */
+ if (info->fbops->fb_setcmap && cmap->len > 1) {
+ struct fb_cmap umap;
+ int size = cmap->len * sizeof(u16);
+ int rc;
+
+ memset(&umap, 0, sizeof(struct fb_cmap));
+ rc = fb_alloc_cmap(&umap, cmap->len, transp != NULL);
+ if (rc)
+ return rc;
+ if (copy_from_user(umap.red, red, size) ||
+ copy_from_user(umap.green, green, size) ||
+ copy_from_user(umap.blue, blue, size) ||
+ (transp && copy_from_user(umap.transp, transp, size))) {
+ rc = -EFAULT;
+ }
+ umap.start = start;
+ if (rc == 0)
+ rc = info->fbops->fb_setcmap(&umap, info);
+ fb_dealloc_cmap(&umap);
+ return rc;
+ }
+
for (i = 0; i < cmap->len; i++, red++, blue++, green++) {
if (get_user(hred, red) ||
get_user(hgreen, green) ||
diff --git a/include/linux/fb.h b/include/linux/fb.h
index b45d3e2d711..b468bf49654 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -563,6 +563,9 @@ struct fb_ops {
int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp, struct fb_info *info);
+ /* set color registers in batch */
+ int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info);
+
/* blank display */
int (*fb_blank)(int blank, struct fb_info *info);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-16 17:53:50 +0000