drm/gma500: Convert to generic gamma funcs

This takes care of the remaining chips using the old generic code.
We don't check if the pipe number is valid but the old code peeked in
the register map before checking anyways so just ignore it.

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

6 files changed, 6 insertions, 73 deletions

diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c
index da83fddbc9a8..2862cdb8920a 100644
--- a/drivers/gpu/drm/gma500/mdfld_intel_display.c
+++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c
@@ -436,7 +436,7 @@ static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
                         }
                 }
 
-                psb_intel_crtc_load_lut(crtc);
+                gma_crtc_load_lut(crtc);
 
                 /* Give the overlay scaler a chance to enable
                    if it's on this pipe */
diff --git a/drivers/gpu/drm/gma500/oaktrail_crtc.c b/drivers/gpu/drm/gma500/oaktrail_crtc.c
index 8af461f3a72d..5cd007e82e59 100644
--- a/drivers/gpu/drm/gma500/oaktrail_crtc.c
+++ b/drivers/gpu/drm/gma500/oaktrail_crtc.c
@@ -212,7 +212,7 @@ static void oaktrail_crtc_dpms(struct drm_crtc *crtc, int mode)
                         REG_WRITE(map->base, REG_READ(map->base));
                 }
 
-                psb_intel_crtc_load_lut(crtc);
+                gma_crtc_load_lut(crtc);
 
                 /* Give the overlay scaler a chance to enable
                    if it's on this pipe */
diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
index d9013f70b019..7d9a5ee52814 100644
--- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c
+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
@@ -464,7 +464,7 @@ void oaktrail_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode)
                         REG_READ(DSPBSURF);
                 }
 
-                psb_intel_crtc_load_lut(crtc);
+                gma_crtc_load_lut(crtc);
         }
 
         /* DSPARB */
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index bddea5807442..b4d13261f762 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -459,7 +459,7 @@ static int psb_gamma_ioctl(struct drm_device *dev, void *data,
         for (i = 0; i < 256; i++)
                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
 
-        psb_intel_crtc_load_lut(crtc);
+        gma_crtc_load_lut(crtc);
 
         return 0;
 }
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index ca041c6aba4a..940c6f2fb8ee 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -135,7 +135,7 @@ static void psb_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
                         REG_WRITE(map->base, REG_READ(map->base));
                 }
 
-                psb_intel_crtc_load_lut(crtc);
+                gma_crtc_load_lut(crtc);
 
                 /* Give the overlay scaler a chance to enable
                  * if it's on this pipe */
@@ -431,54 +431,6 @@ static int psb_intel_crtc_mode_set(struct drm_crtc *crtc,
         return 0;
 }
 
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void psb_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);
-        const struct psb_offset *map = &dev_priv->regmap[psb_intel_crtc->pipe];
-        int palreg = map->palette;
-        int i;
-
-        /* The clocks have to be on to load the palette. */
-        if (!crtc->enabled)
-                return;
-
-        switch (psb_intel_crtc->pipe) {
-        case 0:
-        case 1:
-                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]);
-                }
-
-        }
-}
-
 /**
  * Save HW states of giving crtc
  */
@@ -737,24 +689,6 @@ static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
         return 0;
 }
 
-static void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-                         u16 *green, u16 *blue, uint32_t type, uint32_t size)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int i;
-
-        if (size != 256)
-                return;
-
-        for (i = 0; i < 256; 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;
-        }
-
-        psb_intel_crtc_load_lut(crtc);
-}
-
 static int psb_crtc_set_config(struct drm_mode_set *set)
 {
         int ret;
@@ -930,7 +864,7 @@ const struct drm_crtc_funcs psb_intel_crtc_funcs = {
         .restore = psb_intel_crtc_restore,
         .cursor_set = psb_intel_crtc_cursor_set,
         .cursor_move = psb_intel_crtc_cursor_move,
-        .gamma_set = psb_intel_crtc_gamma_set,
+        .gamma_set = gma_crtc_gamma_set,
         .set_config = psb_crtc_set_config,
         .destroy = psb_intel_crtc_destroy,
 };
diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h
index 596850210a51..c8cd9bee7a89 100644
--- a/drivers/gpu/drm/gma500/psb_intel_drv.h
+++ b/drivers/gpu/drm/gma500/psb_intel_drv.h
@@ -226,7 +226,6 @@ extern void oaktrail_dsi_init(struct drm_device *dev,
 extern void mid_dsi_init(struct drm_device *dev,
                     struct psb_intel_mode_device *mode_dev, int dsi_num);
 
-extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
 extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
 extern void psb_intel_encoder_destroy(struct drm_encoder *encoder);