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authorDave Airlie <airlied@redhat.com>2009-10-05 09:58:02 +1000
committerDave Airlie <airlied@redhat.com>2009-10-05 10:00:59 +1000
commit068143d38804825d59d951a192cfadd2e22f457d (patch)
tree87acefe03fe5a97577e90f89c79909aad5ba2a5e /drivers/gpu
parentdfee5614e4d83a32cef9193a8b19bc1d8900f93d (diff)
drm/fb: add setcmap and fix 8-bit support.
This adds support for the setcmap api and fixes the 8bpp support at least on radeon hardware. It adds a new load_lut hook which can be called once the color map is setup. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/drm_fb_helper.c55
-rw-r--r--drivers/gpu/drm/i915/intel_display.c1
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c3
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c1
-rw-r--r--drivers/gpu/drm/radeon/radeon_fb.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_legacy_crtc.c1
6 files changed, 57 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 819ddcbfcce..3746bd2f0f0 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -454,6 +454,48 @@ out_free:
}
EXPORT_SYMBOL(drm_fb_helper_init_crtc_count);
+int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info)
+{
+ struct drm_fb_helper *fb_helper = info->par;
+ struct drm_device *dev = fb_helper->dev;
+ u16 *red, *green, *blue, *transp;
+ struct drm_crtc *crtc;
+ int i, rc = 0;
+ int start;
+
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+ for (i = 0; i < fb_helper->crtc_count; i++) {
+ if (crtc->base.id == fb_helper->crtc_info[i].crtc_id)
+ break;
+ }
+ if (i == fb_helper->crtc_count)
+ continue;
+
+ red = cmap->red;
+ green = cmap->green;
+ blue = cmap->blue;
+ transp = cmap->transp;
+ start = cmap->start;
+
+ for (i = 0; i < cmap->len; i++) {
+ u16 hred, hgreen, hblue, htransp = 0xffff;
+
+ hred = *red++;
+ hgreen = *green++;
+ hblue = *blue++;
+
+ if (transp)
+ htransp = *transp++;
+
+ fb_helper->funcs->gamma_set(crtc, hred, hgreen, hblue, start++);
+ }
+ crtc_funcs->load_lut(crtc);
+ }
+ return rc;
+}
+EXPORT_SYMBOL(drm_fb_helper_setcmap);
+
int drm_fb_helper_setcolreg(unsigned regno,
unsigned red,
unsigned green,
@@ -485,20 +527,21 @@ int drm_fb_helper_setcolreg(unsigned regno,
}
if (regno < 16) {
+ u32 *pal = fb->pseudo_palette;
switch (fb->depth) {
case 15:
- fb->pseudo_palette[regno] = ((red & 0xf800) >> 1) |
+ pal[regno] = ((red & 0xf800) >> 1) |
((green & 0xf800) >> 6) |
((blue & 0xf800) >> 11);
break;
case 16:
- fb->pseudo_palette[regno] = (red & 0xf800) |
+ pal[regno] = (red & 0xf800) |
((green & 0xfc00) >> 5) |
((blue & 0xf800) >> 11);
break;
case 24:
case 32:
- fb->pseudo_palette[regno] =
+ pal[regno] =
(((red >> 8) & 0xff) << info->var.red.offset) |
(((green >> 8) & 0xff) << info->var.green.offset) |
(((blue >> 8) & 0xff) << info->var.blue.offset);
@@ -851,10 +894,12 @@ void drm_fb_helper_free(struct drm_fb_helper *helper)
}
EXPORT_SYMBOL(drm_fb_helper_free);
-void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch)
+void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
+ uint32_t depth)
{
info->fix.type = FB_TYPE_PACKED_PIXELS;
- info->fix.visual = FB_VISUAL_TRUECOLOR;
+ info->fix.visual = depth == 8 ? FB_VISUAL_PSEUDOCOLOR :
+ FB_VISUAL_TRUECOLOR;
info->fix.type_aux = 0;
info->fix.xpanstep = 1; /* doing it in hw */
info->fix.ypanstep = 1; /* doing it in hw */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 155719ff99d..a840cb1bd36 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3513,6 +3513,7 @@ static const struct drm_crtc_helper_funcs intel_helper_funcs = {
.mode_set_base = intel_pipe_set_base,
.prepare = intel_crtc_prepare,
.commit = intel_crtc_commit,
+ .load_lut = intel_crtc_load_lut,
};
static const struct drm_crtc_funcs intel_crtc_funcs = {
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index e85d7e9eed7..3ee8db1fbcd 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -60,6 +60,7 @@ static struct fb_ops intelfb_ops = {
.fb_imageblit = cfb_imageblit,
.fb_pan_display = drm_fb_helper_pan_display,
.fb_blank = drm_fb_helper_blank,
+ .fb_setcmap = drm_fb_helper_setcmap,
};
static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
@@ -206,7 +207,7 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
// memset(info->screen_base, 0, size);
- drm_fb_helper_fill_fix(info, fb->pitch);
+ drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
drm_fb_helper_fill_var(info, fb, fb_width, fb_height);
/* FIXME: we really shouldn't expose mmio space at all */
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 6a015929dee..14fa9701aeb 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -733,6 +733,7 @@ static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
.mode_set_base = atombios_crtc_set_base,
.prepare = atombios_crtc_prepare,
.commit = atombios_crtc_commit,
+ .load_lut = radeon_crtc_load_lut,
};
void radeon_atombios_init_crtc(struct drm_device *dev,
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index 325e40b5e0b..c32f44096fe 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -55,6 +55,7 @@ static struct fb_ops radeonfb_ops = {
.fb_imageblit = cfb_imageblit,
.fb_pan_display = drm_fb_helper_pan_display,
.fb_blank = drm_fb_helper_blank,
+ .fb_setcmap = drm_fb_helper_setcmap,
};
/**
@@ -239,7 +240,7 @@ int radeonfb_create(struct drm_device *dev,
strcpy(info->fix.id, "radeondrmfb");
- drm_fb_helper_fill_fix(info, fb->pitch);
+ drm_fb_helper_fill_fix(info, fb->pitch, fb->depth);
info->flags = FBINFO_DEFAULT;
info->fbops = &radeonfb_ops;
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index 2b997a15fb1..36410f85d70 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -1053,6 +1053,7 @@ static const struct drm_crtc_helper_funcs legacy_helper_funcs = {
.mode_set_base = radeon_crtc_set_base,
.prepare = radeon_crtc_prepare,
.commit = radeon_crtc_commit,
+ .load_lut = radeon_crtc_load_lut,
};