[PATCH 01/47] gma500: plug in more of the gamma functionality

Alan Cox alan at lxorguk.ukuu.org.uk
Thu Mar 8 08:00:00 PST 2012


From: Alan Cox <alan at linux.intel.com>

Signed-off-by: Alan Cox <alan at linux.intel.com>
---

 drivers/gpu/drm/gma500/framebuffer.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)


diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index c1c4dc1..9738229 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -556,11 +556,21 @@ static struct drm_framebuffer *psb_user_framebuffer_create
 static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 							u16 blue, int regno)
 {
+	struct psb_intel_crtc *intel_crtc = to_psb_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 psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
 					u16 *green, u16 *blue, int regno)
 {
+	struct psb_intel_crtc *intel_crtc = to_psb_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 int psbfb_probe(struct drm_fb_helper *helper,



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