The redundant fb helpers .load_lut, .gamma_set and .gamma_get are
no longer used. Remove the dead code and hook up the crtc .gamma_set
to use the crtc gamma_store directly instead of duplicating that
info locally.
Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
---
drivers/gpu/drm/mgag200/mgag200_drv.h | 5 ---
drivers/gpu/drm/mgag200/mgag200_fb.c | 2 --
drivers/gpu/drm/mgag200/mgag200_mode.c | 62 ++++++++--------------------------
3 files changed, 15 insertions(+), 54 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index c88b6ec..04f1dfb 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -237,11 +237,6 @@ mgag200_bo(struct ttm_buffer_object *bo)
{
return container_of(bo, struct mgag200_bo, bo);
}
- /* mgag200_crtc.c */
-void mga_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
- u16 blue, int regno);
-void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
- u16 *blue, int regno);
/* mgag200_mode.c */
int mgag200_modeset_init(struct mga_device *mdev);
diff --git a/drivers/gpu/drm/mgag200/mgag200_fb.c b/drivers/gpu/drm/mgag200/mgag200_fb.c
index 5d3b1fa..5cf980a 100644
--- a/drivers/gpu/drm/mgag200/mgag200_fb.c
+++ b/drivers/gpu/drm/mgag200/mgag200_fb.c
@@ -258,8 +258,6 @@ static int mga_fbdev_destroy(struct drm_device *dev,
}
static const struct drm_fb_helper_funcs mga_fb_helper_funcs = {
- .gamma_set = mga_crtc_fb_gamma_set,
- .gamma_get = mga_crtc_fb_gamma_get,
.fb_probe = mgag200fb_create,
};
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index adb411a..117bec3 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -27,15 +27,19 @@
static void mga_crtc_load_lut(struct drm_crtc *crtc)
{
- struct mga_crtc *mga_crtc = to_mga_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct mga_device *mdev = dev->dev_private;
struct drm_framebuffer *fb = crtc->primary->fb;
+ u16 *r_ptr, *g_ptr, *b_ptr;
int i;
if (!crtc->enabled)
return;
+ r_ptr = crtc->gamma_store;
+ g_ptr = r_ptr + crtc->gamma_size;
+ b_ptr = g_ptr + crtc->gamma_size;
+
WREG8(DAC_INDEX + MGA1064_INDEX, 0);
if (fb && fb->format->cpp[0] * 8 == 16) {
@@ -46,25 +50,27 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc)
if (i > (MGAG200_LUT_SIZE >> 1)) {
r = b = 0;
} else {
- r = mga_crtc->lut_r[i << 1];
- b = mga_crtc->lut_b[i << 1];
+ r = *r_ptr++ >> 8;
+ b = *b_ptr++ >> 8;
+ r_ptr++;
+ b_ptr++;
}
} else {
- r = mga_crtc->lut_r[i];
- b = mga_crtc->lut_b[i];
+ r = *r_ptr++ >> 8;
+ b = *b_ptr++ >> 8;
}
/* VGA registers */
WREG8(DAC_INDEX + MGA1064_COL_PAL, r);
- WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_g[i]);
+ WREG8(DAC_INDEX + MGA1064_COL_PAL, *g_ptr++ >> 8);
WREG8(DAC_INDEX + MGA1064_COL_PAL, b);
}
return;
}
for (i = 0; i < MGAG200_LUT_SIZE; i++) {
/* VGA registers */
- WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_r[i]);
- WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_g[i]);
- WREG8(DAC_INDEX + MGA1064_COL_PAL, mga_crtc->lut_b[i]);
+ WREG8(DAC_INDEX + MGA1064_COL_PAL, *r_ptr++ >> 8);
+ WREG8(DAC_INDEX + MGA1064_COL_PAL, *g_ptr++ >> 8);
+ WREG8(DAC_INDEX + MGA1064_COL_PAL, *b_ptr++ >> 8);
}
}
@@ -1396,14 +1402,6 @@ static int mga_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
u16 *blue, uint32_t size,
struct drm_modeset_acquire_ctx *ctx)
{
- struct mga_crtc *mga_crtc = to_mga_crtc(crtc);
- int i;
-
- for (i = 0; i < size; i++) {
- mga_crtc->lut_r[i] = red[i] >> 8;
- mga_crtc->lut_g[i] = green[i] >> 8;
- mga_crtc->lut_b[i] = blue[i] >> 8;
- }
mga_crtc_load_lut(crtc);
return 0;
@@ -1452,14 +1450,12 @@ static const struct drm_crtc_helper_funcs mga_helper_funcs = {
.mode_set_base = mga_crtc_mode_set_base,
.prepare = mga_crtc_prepare,
.commit = mga_crtc_commit,
- .load_lut = mga_crtc_load_lut,
};
/* CRTC setup */
static void mga_crtc_init(struct mga_device *mdev)
{
struct mga_crtc *mga_crtc;
- int i;
mga_crtc = kzalloc(sizeof(struct mga_crtc) +
(MGAG200FB_CONN_LIMIT * sizeof(struct drm_connector *)),
@@ -1473,37 +1469,9 @@ static void mga_crtc_init(struct mga_device *mdev)
drm_mode_crtc_set_gamma_size(&mga_crtc->base, MGAG200_LUT_SIZE);
mdev->mode_info.crtc = mga_crtc;
- for (i = 0; i < MGAG200_LUT_SIZE; i++) {
- mga_crtc->lut_r[i] = i;
- mga_crtc->lut_g[i] = i;
- mga_crtc->lut_b[i] = i;
- }
-
drm_crtc_helper_add(&mga_crtc->base, &mga_helper_funcs);
}
-/** Sets the color ramps on behalf of fbcon */
-void mga_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
- u16 blue, int regno)
-{
- struct mga_crtc *mga_crtc = to_mga_crtc(crtc);
-
- mga_crtc->lut_r[regno] = red >> 8;
- mga_crtc->lut_g[regno] = green >> 8;
- mga_crtc->lut_b[regno] = blue >> 8;
-}
-
-/** Gets the color ramps on behalf of fbcon */
-void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
- u16 *blue, int regno)
-{
- struct mga_crtc *mga_crtc = to_mga_crtc(crtc);
-
- *red = (u16)mga_crtc->lut_r[regno] << 8;
- *green = (u16)mga_crtc->lut_g[regno] << 8;
- *blue = (u16)mga_crtc->lut_b[regno] << 8;
-}
-
/*
* The encoder comes after the CRTC in the output pipeline, but before
* the connector. It's responsible for ensuring that the digital
--
2.1.4
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