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path: root/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
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Diffstat (limited to 'drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c')
-rw-r--r--drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c45
1 files changed, 37 insertions, 8 deletions
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 1124200bb280..703c2d13603f 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -83,6 +83,7 @@ drm_plane_state_to_atmel_hlcdc_plane_state(struct drm_plane_state *s)
#define SUBPIXEL_MASK 0xffff
static uint32_t rgb_formats[] = {
+ DRM_FORMAT_C8,
DRM_FORMAT_XRGB4444,
DRM_FORMAT_ARGB4444,
DRM_FORMAT_RGBA4444,
@@ -100,6 +101,7 @@ struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_formats = {
};
static uint32_t rgb_and_yuv_formats[] = {
+ DRM_FORMAT_C8,
DRM_FORMAT_XRGB4444,
DRM_FORMAT_ARGB4444,
DRM_FORMAT_RGBA4444,
@@ -128,6 +130,9 @@ struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_and_yuv_formats = {
static int atmel_hlcdc_format_to_plane_mode(u32 format, u32 *mode)
{
switch (format) {
+ case DRM_FORMAT_C8:
+ *mode = ATMEL_HLCDC_C8_MODE;
+ break;
case DRM_FORMAT_XRGB4444:
*mode = ATMEL_HLCDC_XRGB4444_MODE;
break;
@@ -424,6 +429,29 @@ static void atmel_hlcdc_plane_update_format(struct atmel_hlcdc_plane *plane,
ATMEL_HLCDC_LAYER_FORMAT_CFG, cfg);
}
+static void atmel_hlcdc_plane_update_clut(struct atmel_hlcdc_plane *plane)
+{
+ struct drm_crtc *crtc = plane->base.crtc;
+ struct drm_color_lut *lut;
+ int idx;
+
+ if (!crtc || !crtc->state)
+ return;
+
+ if (!crtc->state->color_mgmt_changed || !crtc->state->gamma_lut)
+ return;
+
+ lut = (struct drm_color_lut *)crtc->state->gamma_lut->data;
+
+ for (idx = 0; idx < ATMEL_HLCDC_CLUT_SIZE; idx++, lut++) {
+ u32 val = ((lut->red << 8) & 0xff0000) |
+ (lut->green & 0xff00) |
+ (lut->blue >> 8);
+
+ atmel_hlcdc_layer_write_clut(&plane->layer, idx, val);
+ }
+}
+
static void atmel_hlcdc_plane_update_buffers(struct atmel_hlcdc_plane *plane,
struct atmel_hlcdc_plane_state *state)
{
@@ -768,6 +796,7 @@ static void atmel_hlcdc_plane_atomic_update(struct drm_plane *p,
atmel_hlcdc_plane_update_pos_and_size(plane, state);
atmel_hlcdc_plane_update_general_settings(plane, state);
atmel_hlcdc_plane_update_format(plane, state);
+ atmel_hlcdc_plane_update_clut(plane);
atmel_hlcdc_plane_update_buffers(plane, state);
atmel_hlcdc_plane_update_disc_area(plane, state);
@@ -809,7 +838,7 @@ static void atmel_hlcdc_plane_destroy(struct drm_plane *p)
struct atmel_hlcdc_plane *plane = drm_plane_to_atmel_hlcdc_plane(p);
if (plane->base.fb)
- drm_framebuffer_unreference(plane->base.fb);
+ drm_framebuffer_put(plane->base.fb);
drm_plane_cleanup(p);
}
@@ -911,7 +940,7 @@ void atmel_hlcdc_plane_irq(struct atmel_hlcdc_plane *plane)
desc->name);
}
-static struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = {
+static const struct drm_plane_helper_funcs atmel_hlcdc_layer_plane_helper_funcs = {
.atomic_check = atmel_hlcdc_plane_atomic_check,
.atomic_update = atmel_hlcdc_plane_atomic_update,
.atomic_disable = atmel_hlcdc_plane_atomic_disable,
@@ -958,7 +987,7 @@ static void atmel_hlcdc_plane_reset(struct drm_plane *p)
state = drm_plane_state_to_atmel_hlcdc_plane_state(p->state);
if (state->base.fb)
- drm_framebuffer_unreference(state->base.fb);
+ drm_framebuffer_put(state->base.fb);
kfree(state);
p->state = NULL;
@@ -996,7 +1025,7 @@ atmel_hlcdc_plane_atomic_duplicate_state(struct drm_plane *p)
}
if (copy->base.fb)
- drm_framebuffer_reference(copy->base.fb);
+ drm_framebuffer_get(copy->base.fb);
return &copy->base;
}
@@ -1015,15 +1044,14 @@ static void atmel_hlcdc_plane_atomic_destroy_state(struct drm_plane *p,
}
if (s->fb)
- drm_framebuffer_unreference(s->fb);
+ drm_framebuffer_put(s->fb);
kfree(state);
}
-static struct drm_plane_funcs layer_plane_funcs = {
+static const struct drm_plane_funcs layer_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
- .set_property = drm_atomic_helper_plane_set_property,
.destroy = atmel_hlcdc_plane_destroy,
.reset = atmel_hlcdc_plane_reset,
.atomic_duplicate_state = atmel_hlcdc_plane_atomic_duplicate_state,
@@ -1058,7 +1086,8 @@ static int atmel_hlcdc_plane_create(struct drm_device *dev,
ret = drm_universal_plane_init(dev, &plane->base, 0,
&layer_plane_funcs,
desc->formats->formats,
- desc->formats->nformats, type, NULL);
+ desc->formats->nformats,
+ NULL, type, NULL);
if (ret)
return ret;