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path: root/drivers/gpu/drm/cirrus/cirrus_mode.c
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Diffstat (limited to 'drivers/gpu/drm/cirrus/cirrus_mode.c')
-rw-r--r--drivers/gpu/drm/cirrus/cirrus_mode.c71
1 files changed, 16 insertions, 55 deletions
diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c
index 53f6f0f84206..a4c4a465b385 100644
--- a/drivers/gpu/drm/cirrus/cirrus_mode.c
+++ b/drivers/gpu/drm/cirrus/cirrus_mode.c
@@ -31,25 +31,6 @@
* This file contains setup code for the CRTC.
*/
-static void cirrus_crtc_load_lut(struct drm_crtc *crtc)
-{
- struct cirrus_crtc *cirrus_crtc = to_cirrus_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct cirrus_device *cdev = dev->dev_private;
- int i;
-
- if (!crtc->enabled)
- return;
-
- for (i = 0; i < CIRRUS_LUT_SIZE; i++) {
- /* VGA registers */
- WREG8(PALETTE_INDEX, i);
- WREG8(PALETTE_DATA, cirrus_crtc->lut_r[i]);
- WREG8(PALETTE_DATA, cirrus_crtc->lut_g[i]);
- WREG8(PALETTE_DATA, cirrus_crtc->lut_b[i]);
- }
-}
-
/*
* The DRM core requires DPMS functions, but they make little sense in our
* case and so are just stubs
@@ -330,15 +311,25 @@ static int cirrus_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
- struct cirrus_crtc *cirrus_crtc = to_cirrus_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct cirrus_device *cdev = dev->dev_private;
+ u16 *r, *g, *b;
int i;
- for (i = 0; i < size; i++) {
- cirrus_crtc->lut_r[i] = red[i];
- cirrus_crtc->lut_g[i] = green[i];
- cirrus_crtc->lut_b[i] = blue[i];
+ if (!crtc->enabled)
+ return 0;
+
+ r = crtc->gamma_store;
+ g = r + crtc->gamma_size;
+ b = g + crtc->gamma_size;
+
+ for (i = 0; i < CIRRUS_LUT_SIZE; i++) {
+ /* VGA registers */
+ WREG8(PALETTE_INDEX, i);
+ WREG8(PALETTE_DATA, *r++ >> 8);
+ WREG8(PALETTE_DATA, *g++ >> 8);
+ WREG8(PALETTE_DATA, *b++ >> 8);
}
- cirrus_crtc_load_lut(crtc);
return 0;
}
@@ -365,7 +356,6 @@ static const struct drm_crtc_helper_funcs cirrus_helper_funcs = {
.mode_set_base = cirrus_crtc_mode_set_base,
.prepare = cirrus_crtc_prepare,
.commit = cirrus_crtc_commit,
- .load_lut = cirrus_crtc_load_lut,
};
/* CRTC setup */
@@ -373,7 +363,6 @@ static void cirrus_crtc_init(struct drm_device *dev)
{
struct cirrus_device *cdev = dev->dev_private;
struct cirrus_crtc *cirrus_crtc;
- int i;
cirrus_crtc = kzalloc(sizeof(struct cirrus_crtc) +
(CIRRUSFB_CONN_LIMIT * sizeof(struct drm_connector *)),
@@ -387,37 +376,9 @@ static void cirrus_crtc_init(struct drm_device *dev)
drm_mode_crtc_set_gamma_size(&cirrus_crtc->base, CIRRUS_LUT_SIZE);
cdev->mode_info.crtc = cirrus_crtc;
- for (i = 0; i < CIRRUS_LUT_SIZE; i++) {
- cirrus_crtc->lut_r[i] = i;
- cirrus_crtc->lut_g[i] = i;
- cirrus_crtc->lut_b[i] = i;
- }
-
drm_crtc_helper_add(&cirrus_crtc->base, &cirrus_helper_funcs);
}
-/** Sets the color ramps on behalf of fbcon */
-void cirrus_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
- u16 blue, int regno)
-{
- struct cirrus_crtc *cirrus_crtc = to_cirrus_crtc(crtc);
-
- cirrus_crtc->lut_r[regno] = red;
- cirrus_crtc->lut_g[regno] = green;
- cirrus_crtc->lut_b[regno] = blue;
-}
-
-/** Gets the color ramps on behalf of fbcon */
-void cirrus_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
- u16 *blue, int regno)
-{
- struct cirrus_crtc *cirrus_crtc = to_cirrus_crtc(crtc);
-
- *red = cirrus_crtc->lut_r[regno];
- *green = cirrus_crtc->lut_g[regno];
- *blue = cirrus_crtc->lut_b[regno];
-}
-
static void cirrus_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)