diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fb.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fb.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c index bc2100007b21..d883b77b1b78 100644 --- a/drivers/gpu/drm/i915/intel_fb.c +++ b/drivers/gpu/drm/i915/intel_fb.c @@ -184,6 +184,27 @@ out: return ret; } +/** Sets the color ramps on behalf of RandR */ +static void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno) +{ + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + intel_crtc->lut_r[regno] = red >> 8; + intel_crtc->lut_g[regno] = green >> 8; + intel_crtc->lut_b[regno] = blue >> 8; +} + +static void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, int regno) +{ + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + + *red = intel_crtc->lut_r[regno] << 8; + *green = intel_crtc->lut_g[regno] << 8; + *blue = intel_crtc->lut_b[regno] << 8; +} + static struct drm_fb_helper_funcs intel_fb_helper_funcs = { .gamma_set = intel_crtc_fb_gamma_set, .gamma_get = intel_crtc_fb_gamma_get, @@ -216,7 +237,7 @@ int intel_fbdev_init(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int ret; - ifbdev = kzalloc(sizeof(struct intel_fbdev), GFP_KERNEL); + ifbdev = kzalloc(sizeof(*ifbdev), GFP_KERNEL); if (!ifbdev) return -ENOMEM; @@ -225,7 +246,7 @@ int intel_fbdev_init(struct drm_device *dev) ret = drm_fb_helper_init(dev, &ifbdev->helper, INTEL_INFO(dev)->num_pipes, - INTELFB_CONN_LIMIT); + 4); if (ret) { kfree(ifbdev); return ret; |