drm/gma500/cdv: Convert to generic gamma funcs

There is a slight difference in how we pick the palette register in the
generic function but we should be ok as long as psb_intel_crtc->pipe and
the register map is sane.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c
index 1160175..e30761a 100644 (file)
--- a/drivers/gpu/drm/gma500/cdv_intel_display.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
@@ -593,58 +593,6 @@ void cdv_intel_update_watermark(struct drm_device *dev, struct drm_crtc *crtc)
        }
 }
 
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-static void cdv_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-       struct drm_device *dev = crtc->dev;
-       struct drm_psb_private *dev_priv = dev->dev_private;
-       struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-       int palreg = PALETTE_A;
-       int i;
-
-       /* The clocks have to be on to load the palette. */
-       if (!crtc->enabled)
-               return;
-
-       switch (psb_intel_crtc->pipe) {
-       case 0:
-               break;
-       case 1:
-               palreg = PALETTE_B;
-               break;
-       case 2:
-               palreg = PALETTE_C;
-               break;
-       default:
-               dev_err(dev->dev, "Illegal Pipe Number.\n");
-               return;
-       }
-
-       if (gma_power_begin(dev, false)) {
-               for (i = 0; i < 256; i++) {
-                       REG_WRITE(palreg + 4 * i,
-                                 ((psb_intel_crtc->lut_r[i] +
-                                 psb_intel_crtc->lut_adj[i]) << 16) |
-                                 ((psb_intel_crtc->lut_g[i] +
-                                 psb_intel_crtc->lut_adj[i]) << 8) |
-                                 (psb_intel_crtc->lut_b[i] +
-                                 psb_intel_crtc->lut_adj[i]));
-               }
-               gma_power_end(dev);
-       } else {
-               for (i = 0; i < 256; i++) {
-                       dev_priv->regs.pipe[0].palette[i] =
-                                 ((psb_intel_crtc->lut_r[i] +
-                                 psb_intel_crtc->lut_adj[i]) << 16) |
-                                 ((psb_intel_crtc->lut_g[i] +
-                                 psb_intel_crtc->lut_adj[i]) << 8) |
-                                 (psb_intel_crtc->lut_b[i] +
-                                 psb_intel_crtc->lut_adj[i]);
-               }
-
-       }
-}
-
 /**
  * Return the pipe currently connected to the panel fitter,
  * or -1 if the panel fitter is not present or not in use
@@ -1213,22 +1161,6 @@ static int cdv_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
        return 0;
 }
 
-static void cdv_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-                        u16 *green, u16 *blue, uint32_t start, uint32_t size)
-{
-       struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-       int i;
-       int end = (start + size > 256) ? 256 : start + size;
-
-       for (i = start; i < end; i++) {
-               psb_intel_crtc->lut_r[i] = red[i] >> 8;
-               psb_intel_crtc->lut_g[i] = green[i] >> 8;
-               psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-       }
-
-       cdv_intel_crtc_load_lut(crtc);
-}
-
 static int cdv_crtc_set_config(struct drm_mode_set *set)
 {
        int ret = 0;
@@ -1401,7 +1333,7 @@ const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
        .restore = cdv_intel_crtc_restore,
        .cursor_set = cdv_intel_crtc_cursor_set,
        .cursor_move = cdv_intel_crtc_cursor_move,
-       .gamma_set = cdv_intel_crtc_gamma_set,
+       .gamma_set = gma_crtc_gamma_set,
        .set_config = cdv_crtc_set_config,
        .destroy = gma_crtc_destroy,
 };