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path: root/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
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Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_ui_layer.c')
-rw-r--r--drivers/gpu/drm/sun4i/sun8i_ui_layer.c73
1 files changed, 54 insertions, 19 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
index 1d376d29cf6b..09c9b5e1775a 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
@@ -24,6 +24,7 @@
#include "sun8i_ui_layer.h"
#include "sun8i_mixer.h"
+#include "sun8i_ui_scaler.h"
static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel,
int overlay, bool enable)
@@ -56,29 +57,35 @@ static int sun8i_ui_layer_update_coord(struct sun8i_mixer *mixer, int channel,
int overlay, struct drm_plane *plane)
{
struct drm_plane_state *state = plane->state;
- u32 width, height, size;
+ u32 src_w, src_h, dst_w, dst_h;
+ u32 outsize, insize;
+ u32 hphase, vphase;
- DRM_DEBUG_DRIVER("Updating channel %d overlay %d\n", channel, overlay);
+ DRM_DEBUG_DRIVER("Updating UI channel %d overlay %d\n",
+ channel, overlay);
- /*
- * Same source and destination width and height are guaranteed
- * by atomic check function.
- */
- width = drm_rect_width(&state->dst);
- height = drm_rect_height(&state->dst);
- size = SUN8I_MIXER_SIZE(width, height);
+ src_w = drm_rect_width(&state->src) >> 16;
+ src_h = drm_rect_height(&state->src) >> 16;
+ dst_w = drm_rect_width(&state->dst);
+ dst_h = drm_rect_height(&state->dst);
+
+ hphase = state->src.x1 & 0xffff;
+ vphase = state->src.y1 & 0xffff;
+
+ insize = SUN8I_MIXER_SIZE(src_w, src_h);
+ outsize = SUN8I_MIXER_SIZE(dst_w, dst_h);
if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
bool interlaced = false;
u32 val;
DRM_DEBUG_DRIVER("Primary layer, updating global size W: %u H: %u\n",
- width, height);
+ dst_w, dst_h);
regmap_write(mixer->engine.regs,
SUN8I_MIXER_GLOBAL_SIZE,
- size);
+ outsize);
regmap_write(mixer->engine.regs, SUN8I_MIXER_BLEND_OUTSIZE,
- size);
+ outsize);
if (state->crtc)
interlaced = state->crtc->state->adjusted_mode.flags
@@ -99,23 +106,42 @@ static int sun8i_ui_layer_update_coord(struct sun8i_mixer *mixer, int channel,
}
/* Set height and width */
- DRM_DEBUG_DRIVER("Layer size W: %u H: %u\n", width, height);
+ DRM_DEBUG_DRIVER("Layer source offset X: %d Y: %d\n",
+ state->src.x1 >> 16, state->src.y1 >> 16);
+ DRM_DEBUG_DRIVER("Layer source size W: %d H: %d\n", src_w, src_h);
regmap_write(mixer->engine.regs,
SUN8I_MIXER_CHAN_UI_LAYER_SIZE(channel, overlay),
- size);
+ insize);
regmap_write(mixer->engine.regs,
SUN8I_MIXER_CHAN_UI_OVL_SIZE(channel),
- size);
+ insize);
+
+ if (insize != outsize || hphase || vphase) {
+ u32 hscale, vscale;
+
+ DRM_DEBUG_DRIVER("HW scaling is enabled\n");
+
+ hscale = state->src_w / state->crtc_w;
+ vscale = state->src_h / state->crtc_h;
+
+ sun8i_ui_scaler_setup(mixer, channel, src_w, src_h, dst_w,
+ dst_h, hscale, vscale, hphase, vphase);
+ sun8i_ui_scaler_enable(mixer, channel, true);
+ } else {
+ DRM_DEBUG_DRIVER("HW scaling is not needed\n");
+ sun8i_ui_scaler_enable(mixer, channel, false);
+ }
/* Set base coordinates */
- DRM_DEBUG_DRIVER("Layer coordinates X: %d Y: %d\n",
+ DRM_DEBUG_DRIVER("Layer destination coordinates X: %d Y: %d\n",
state->dst.x1, state->dst.y1);
+ DRM_DEBUG_DRIVER("Layer destination size W: %d H: %d\n", dst_w, dst_h);
regmap_write(mixer->engine.regs,
SUN8I_MIXER_BLEND_ATTR_COORD(channel),
SUN8I_MIXER_COORD(state->dst.x1, state->dst.y1));
regmap_write(mixer->engine.regs,
SUN8I_MIXER_BLEND_ATTR_INSIZE(channel),
- size);
+ outsize);
return 0;
}
@@ -181,8 +207,10 @@ static int sun8i_ui_layer_update_buffer(struct sun8i_mixer *mixer, int channel,
static int sun8i_ui_layer_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
+ struct sun8i_ui_layer *layer = plane_to_sun8i_ui_layer(plane);
struct drm_crtc *crtc = state->crtc;
struct drm_crtc_state *crtc_state;
+ int min_scale, max_scale;
struct drm_rect clip;
if (!crtc)
@@ -197,9 +225,16 @@ static int sun8i_ui_layer_atomic_check(struct drm_plane *plane,
clip.x2 = crtc_state->adjusted_mode.hdisplay;
clip.y2 = crtc_state->adjusted_mode.vdisplay;
+ min_scale = DRM_PLANE_HELPER_NO_SCALING;
+ max_scale = DRM_PLANE_HELPER_NO_SCALING;
+
+ if (layer->mixer->cfg->scaler_mask & BIT(layer->channel)) {
+ min_scale = SUN8I_UI_SCALER_SCALE_MIN;
+ max_scale = SUN8I_UI_SCALER_SCALE_MAX;
+ }
+
return drm_atomic_helper_check_plane_state(state, crtc_state, &clip,
- DRM_PLANE_HELPER_NO_SCALING,
- DRM_PLANE_HELPER_NO_SCALING,
+ min_scale, max_scale,
true, true);
}